e20vf
Table of Contents

 
 
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
FORM 20-F
     
(Mark One)
 
   
o
  REGISTRATION STATEMENT PURSUANT TO SECTION 12 (B) OR 12(G) OF THE SECURITIES EXCHANGE ACT OF 1934
 
  or
x
  ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934
 
  For the fiscal year ended: 31 December 2010
 
  or
o
  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934
 
  For the transition period from: _____________ to _____________
 
  or
o
  SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934
 
  Date of event requiring this shell company report _____________
     
Commission file number: 1-10533   Commission file number: 001-34121
     
Rio Tinto plc   Rio Tinto Limited
ABN 96 004 458 404
(Exact Name of Registrant as Specified in Its Charter)   (Exact Name of Registrant as Specified in Its Charter)
     
England and Wales   Victoria, Australia
(Jurisdiction of Incorporation or Organisation)   (Jurisdiction of Incorporation or Organisation)
     
2 Eastbourne Terrace
London, W2 6LG, United Kingdom
  Level 33, 120 Collins Street
Melbourne, Victoria 3000, Australia
(Address of Principal Executive Offices)   (Address of Principal Executive Offices)
Julie Parent, T: 514-848-8519, E: julie.parent@riotinto.com
(Name, Telephone, E-mail and/or Facsimile number and Address of Company Contact Person)
Securities registered or to be registered pursuant to Section 12(b) of the Act:
             
    Name of Each Exchange       Name of Each Exchange
Title of Each Class   On Which Registered   Title of Each Class   On Which Registered
American Depositary Shares*
  New York Stock Exchange        
Ordinary Shares of 10p each**
  New York Stock Exchange        
7.125% Notes due 2013
  New York Stock Exchange   7.125% Notes due 2013   New York Stock Exchange
5.875% Notes due 2013
  New York Stock Exchange   5.875% Notes due 2013   New York Stock Exchange
6.500% Notes due 2018
  New York Stock Exchange   6.500% Notes due 2018   New York Stock Exchange
7.125% Notes due 2028
  New York Stock Exchange   7.125% Notes due 2028   New York Stock Exchange
1.875% Notes due 2015
  New York Stock Exchange   1.875% Notes due 2015   New York Stock Exchange
3.500% Notes due 2020
  New York Stock Exchange   3.500% Notes due 2020   New York Stock Exchange
5.200% Notes due 2040
  New York Stock Exchange   5.200% Notes due 2040   New York Stock Exchange
8.950% Notes due 2014
  New York Stock Exchange   8.950% Notes due 2014   New York Stock Exchange
9.000% Notes due 2019
  New York Stock Exchange   9.000% Notes due 2019   New York Stock Exchange
*   Evidenced by American Depositary Receipts. Each American Depositary Share Represents one Rio Tinto plc Ordinary Shares of 10p each.
 
**   Not for trading, but only in connection with the listing of American Depositary Shares, pursuant to the requirements of the Securities and Exchange Commission
Securities registered or to be registered pursuant to Section 12(g) of the Act:
     
Title of Class   Title of Class Shares
None
   
Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act:
     
None   None
Indicate the number of outstanding shares of each of the issuer’s classes of capital or common stock as of the close of the period covered by the annual report:
                         
Title of each class     Number       Number     Title of each class
Ordinary Shares of 10p each
    1,529,003,871       435,758,720     Shares
DLC Dividend Share of 10p
    1       1     DLC Dividend Share
Special Voting Share of 10p
    1       1     Special Voting Share
Indicate by check mark if the registrants are well-known seasoned issuers, as defined in rule 405 of the Securities Act.
             
 
  Yes x   No o    
If this report is an annual or transition report, indicate by check mark if the registrants are not required to file reports pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934.
             
 
  Yes o   No x    

 


Table of Contents

Note — Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 from their obligations under those Sections.
Indicate by check mark whether the registrants: (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days:
             
 
  Yes x   No o    
          Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (Section 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).*   Yes x   No o
* This requirement does not apply to the registrant until its fiscal year ending December 31, 2011.
Indicate by check mark whether the registrants are large accelerated filers, accelerated filers, or non-accelerated filers. See definition of “accelerated filer and large accelerated filer” in Rule 12b-2 of the Exchange Act. (Check one):
                 
 
  Large Accelerated Filer x   Accelerated Filer o   Non-Accelerated Filer o    
Indicate by check mark which basis of accounting the registrants have used to prepare the financial statements included in this filing:
                 
 
  US GAAP o   International Financial Reporting Standards as issued by the International Accounting Standards Board x   Other o    
If “Other” has been checked in response to the previous question, indicate by check mark which financial statement item the registrants have elected to follow:
             
 
  Item 17 o   Item 18 o    
If this is an annual report, indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).
             
 
  Yes o   No x    
          This document comprises the annual report on Form 20-F and the annual report to shareholders for the year ended December 31, 2010 of Rio Tinto plc and Rio Tinto Limited (the 2010 Form 20-F). Reference is made to the cross reference to Form 20-F table on pages i to iii hereof (the Form 20-F Cross reference table). Only (i) the information in this document that is referenced in the Form 20-F Cross reference table, (ii) the cautionary statement concerning forward-looking statements on page v and (iii) the Exhibits, shall be deemed to be filed with the Securities and Exchange Commission for any purpose, including incorporation by reference into the Registration Statement on Form F-3 File No. 333-151839, and Registration Statements on Form S-8 File Nos. 33-46865, 333-8270, 33-64380, 333-7328, 333-10156, 333-13988, 333-147914 and 333-156093 and any other documents, including documents filed by Rio Tinto plc and Rio Tinto Limited pursuant to the Securities Act of 1933, as amended, which purport to incorporate by reference the 2010 Form 20-F. Any information herein which is not referenced in the Form 20-F Cross reference table, or the Exhibits themselves, shall not be deemed to be so incorporated by reference.
 
 

 


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Form 20-F Cross Reference Table
                 
Item Number Number Description   Report section reference        
 
1.
  Identity of directors, senior management and advisors   Not applicable        
 
2.
  Offer statistics and expected timetable   Not applicable        
 
3.
  Key Information            
A
  Selected financial information   Performance highlights     2-3  
 
      Five Year review     74  
 
      Dual listed companies structure Dividend rights     269  
 
      Exchange rates     274  
B
  Capitalisation and indebtedness   Not applicable        
C
  Reasons for the offer and use of proceeds   Not applicable        
D
  Risk factors   Risk factors     25-28  
 
4.
  Information on the company            
A
  History and development of the company   Striving for global leadership     V  
 
      Shareholder information        
 
     
Operational structure
    262  
 
     
Nomenclature and financial data
    262  
 
     
History
    262  
 
      Registered offices     279  
 
      Acquisition and divestments     75  
 
      Capital projects     76-77  
B
  Business overview   Strategic context     14-15  
 
      Group strategy     18-21  
 
      Product overview     6-7  
 
      Key performance indicators     22-23  
 
     
Group overview
    4-5  
 
      Corporate governance        
 
     
Governmental regulations
    111  
C
  Organisational structure   Financial statements        
 
     
Notes 37-40
    223-225  
D
  Property, plant and equipment   Metals and minerals production     80-83  
 
      Ore reserves     84-93  
 
      Mines and production facilities     94-101  
 
      Financial statements        
 
     
Note 13-property, plant and equipment
    193  
 
4A.
  Unresolved staff comments   None        
 
5.
  Operating and financial review and prospects            
A
  Operating results   Operating review        
 
     
Aluminium
    42-45  
 
     
Copper
    46-49  
 
     
Diamond & Minerals
    50-53  
 
     
Energy
    54-57  
 
     
Iron Ore
    58-61  
 
     
Financial review
    66-73  
 
      Sustainable development     29-30  
B
  Liquidity and capital resources   Financial review        
 
     
Cash Flow
    71  
 
     
Statement of financial position
    71  
 
     
Financial risk management
    71  
 
     
Liquidity and capital management
    72  
 
      Financial statements        
 
     
Note 33-financial risk management
    210-215  
C
  Research and development, patents and licenses   Exploration     62-63  
 
      Technology & Innovation     64-65  
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Item Number Number Description   Report section reference        
 
D
  Trend information   Product Overview     4-5  
 
      Chairman’s statement     8-9  
 
      Chief executive’s statement     10-11  
E
  Off-balance sheet arrangements   See item 5.A        
 
      Financial review        
 
     
Off balance sheet arrangements and contractual commitments
    73  
 
      Financial statements        
 
     
Note 35-contingent liabilities and commitments
    221-222  
F
  Tabular disclosure of contractual obligations   Financial review        
 
     
Off balance sheet arrangements and contractual commitments
    73  
 
6.
  Directors, senior management and employees   Board of directors     102-105  
A
  Directors and senior management   Executive committee     106-107  
B
  Compensation   Remuneration report     128-155  
C
  Board practices   Board of directors     102-105  
 
      Executive committee     106-107  
 
      Corporate governance     114-127  
D
  Employees   Financial statements        
 
     
Note 4-employment costs
    183  
 
     
Note 36-average number of employees
    222  
E
  Share ownership   Remuneration report        
 
     
Table 3
    147  
 
7.
  Major shareholders and related party transactions            
A
  Major shareholders   Shareholder information        
 
     
Substantial shareholders
    274  
 
     
Analysis of ordinary shareholders
    275  
 
     
Twenty largest registered shareholders
    275  
B
  Related party transactions   Financial statements        
 
     
Note 44- related party transactions
    232  
C
  Interests of experts and counsel   Not applicable        
 
8.
  Financial Information            
A
  Consolidated statements and other            
 
  Financial information   See Item 18 below        
 
      Financial statements        
 
     
Note 35-contingent liabilities and commitments
    221  
 
      Shareholder information        
 
     
Dividends
    262-263  
B
  Significant changes   Financial statements        
 
     
Note 48-events after the statement of financial position date
    233  
 
9.
  The offer and listing            
A
  Offer and listing details   Shareholder information        
 
     
Market listings and share prices
    263-265  
B
  Plan of distribution   Not applicable        
C
  Markets   Shareholder information        
 
     
Market listings and share prices
    263-265  
D
  Selling shareholders   Not applicable        
E
  Dilution   Not applicable        
F
  Expenses of the issue   Not applicable        
 
10.
  Additional Information            
A
  Share capital   Not applicable        
B
  Memorandum and articles of association   Shareholder information        
 
     
Material contacts
    268-271  
 
     
Articles of association and constitution
    271-272  
C
  Material contracts   Shareholder information        
 
     
Material contracts
    268-271  
ii   Rio Tinto 2010 Annual report


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Item Number Number Description   Report section reference        
 
D
  Exchange controls   Shareholder information        
 
     
Exchange controls and foreign Investment
    268  
E
  Taxation   Shareholder information        
 
     
Taxation
    266-268  
F
  Dividends and paying agents   Not applicable        
G
  Statement by experts   Not applicable        
H
  Documents on display   Shareholder information        
 
     
Market listings and share prices
    265  
I
  Subsidiary information   Not applicable        
 
11.
  Quantitative and qualitative disclosures about market risk   Financial review     66-73  
 
      Cautionary statements about share prices     V  
 
12.
  Description of securities other than equity securities   Shareholder information        
 
     
Market listings and share prices
    263-264  
 
13.
  Defaults, dividend arrearages and delinquencies   Not applicable        
 
14.
  Material modifications to the rights of security holders and use of proceeds   Not applicable        
 
15.
  Controls and procedures   Corporate governance        
 
     
Financial reporting
    126-127  
 
16.A
  Audit committee financial expert   Corporate governance        
 
     
Audit committee report
    119-120  
B
  Code of ethics   The way we work     16  
 
      Corporate governance        
 
     
Global code of conduct
    123-124  
C
  Principal Accountant fees and services   Director’s report        
 
     
Principal auditor-audit and non audit fees and services
    112-113  
 
      Corporate governance        
 
     
Governance process
    119  
 
     
Auditors and internal assurance
    125-126  
 
      Financial statements        
 
     
Note 43-Auditors remuneration
    231  
D
  Exemptions from the listing standards for audit committees   Not applicable        
E
  Purchases of equity securities by the issuer and affiliated purchasers   Directors’ report        
 
     
Share capital
    109-110  
 
     
Purchase of shares
    110  
F
  Change in Registrant’s Certifying Accountant   Not applicable        
G
  Corporate Governance   Corporate governance        
 
     
Compliance with national governance codes and standards in 2010
    127  
 
17.
  Financial statements   Not applicable        
 
18.
  Financial statements   Report of the independent auditors     257  
 
      Consolidated financial statements     156-254  
 
19.
  Exhibits            
 
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    (RIO TINTO LOGO)
  2010 Annual report

This report is available online
Visit ww w.riotinto .com/annualreport2010
 

Striving
for
global
sector
leadership

iv   Rio Tinto 2010 Annual report


Table of Contents

Striving for global sector leadership
Rio Tinto is a leading global business delivering value at each stage of mineral and metal production. Our 77,000 people work in over 40 countries. Our commitment to the health, safety and prosperity of our people is at the heart of our operations. So is our determination to maintain the environmental integrity of what we do. We achieve all of this by managing our business globally with a well established strategy and a single set of standards and values. Our approach, coupled with our diverse portfolio of quality assets, positions us for growth on a global scale.

More information
Website ww w.riotinto.com
The “Shareholders” section of ww w.riotinto.com provides financial and corporate information about the Group as well as Rio Tinto share price charts and data, an events calendar, dividend information and the latest presentations by management for investors and financial analysts.
The contents of the Company’s website should not be considered to form a part of or be incorporated into this report.
Results presentations
Our results presentations are available live on webcast. A playback of the most recent presentation is downloadable at ww w.riotinto.com
Messaging service/Rio Tinto news alert
Receive news alerts about Rio Tinto via text or email by subscribing to our messaging service on ww w.riotinto.com/newsalerts



The Annual report and Auditors’ report comply with the Australian and UK reporting requirements.
Copies of Rio Tinto’s shareholder documents are available on the website at ww w.riotinto.com. They can also be obtained free of charge from the Company. Some shareholders may prefer to receive the Annual review which contains the summary financial statements although shareholders should note that it does not allow as full an understanding of the Group.
Cautionary statement about forward looking statements.
This document contains certain forward looking statements with respect to the financial condition, results of operations and business of the Rio Tinto Group. These statements are forward looking statements within the meaning of Section 27A of the Securities Act of
1933, and Section 21E of the Securities Exchange Act of 1934. The words “intend”, “aim”, “project”, “anticipate”, “estimate”, “plan”, “believes”, “expects”, “may”, “should”, “will”, or similar expressions, commonly identify such forward looking statements.
Examples of forward looking statements in this Annual report include those regarding estimated ore reserves, anticipated production or construction dates, costs, outputs and productive lives of assets or similar factors. Forward looking statements involve known and unknown risks, uncertainties, assumptions and other factors set forth in this document that are beyond the Group’s control. For example, future ore reserves will be based in part on market prices that may vary significantly from current levels. These may materially affect the timing and feasibility of particular developments. Other factors include
the ability to produce and transport products profitably, demand for our products, the effect of foreign currency exchange rates on market prices and operating costs, and activities by governmental authorities, such as changes in taxation or regulation, and political uncertainty.
In light of these risks, uncertainties and assumptions, actual results could be materially different from projected future results expressed or implied by these forward looking statements which speak only as to the date of this report. Except as required by applicable regulations or by law, the Group does not undertake any obligation to publicly update or revise any forward looking statements, whether as a result of new information or future events. The Group cannot guarantee that its forward looking statements will not differ materially from actual results.


Sustainable development
Sustainable development is integral to the way we work. Within this report we have provided our 2010 sustainable development performance highlights.
(IMAGE)  
The “Our approach” section of our website contains details of our programmes to deliver on our commitment to sector leading sustainable development and more comprehensive data on our progress.


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Inside this report
 
(SIDE BAR)
Overview
A description of our business and markets, the Group’s strategy and the outlook for 2011
         
    16  
    18  
    22  
    24  
    25  


 
Performance
How we did by product group and function, together with a review of progress in sustainable development
         
    29  
    42  
    46  
    50  
    54  
    58  
         
    62  
    64  
    66  
    74  
    75  
    76  


 
Production, reserves and operations
Information tables and details of our assets
         
    78  
    80  
    84  
         
    94  


 
Governance
Introducing the board of directors and senior management, with an explanation of our approach to corporate governance and remuneration
         
    102  
    106  
    108  
         
    114  
    128  


 
Financial statements
Detailed financial information


 
Additional information
Other useful information
         
    262  
    276  
         
    278  
    279  
 EX-8.1
 EX-12.1
 EX-13.1
 EX-15.1
 EX-99.1


 
Symbols used within this report
(IMAGE)   More content online at ww w.riotinto.com
 
 
(IMAGE)   Key performance indicators within this report
 


(IMAGE)   More content within this report


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Performance highlights
Record financial and operational performance
 
     

Strong financial performance
  Record underlying earnings of US$14.0 billion, 122 per cent above 2009
 
  Record cash flows from operations of US$23.5 billion, up 70 per cent
 
  Record underlying EBITDA of US$26.0 billion, up 82 per cent on 2009
 
  Net debt decreased from US$18.9 billion to US$4.3 billion at the end of 2010
Exceptional operational delivery
  18 per cent decrease in all injury frequency rate from 2009
 
  Production at, or above, capacity at many operations
 
  Record annual production of iron ore
 
  Annual hard coking coal production up 20 per cent on 2009
 
  Bauxite production up nine per cent
Growth potential across the business
  US$11 billion of major capital approvals in 2010, with
 
    US$13 billion of capital expenditure expected in 2011
 
  US$5.6 billion committed in 2010 on Pilbara expansion (100 per cent basis) to grow production by more than 50 per cent
 
  The Oyu Tolgoi copper-gold project came under Rio Tinto’s management, with a pathway to increase ownership of Ivanhoe Mines Ltd to 49 per cent
 
  US$1 billion approved to modernise hydropower based aluminium portfolio in Canada
Continuing progress on sustainable development
  Reduced greenhouse gas (GHG) emissions intensity by 3.7 per cent from 2008
 
  43 per cent decrease in the rate of new cases of occupational illness from 2009
 
  Community contributions of US$166 million, up 40 per cent on 2009
Dividend
                                         
Dividend declared   2010     2009     2008     2007     2006  
 
US cents
    108.00       45.00       111.22       111.23       85.07  
UK pence
    67.35       28.84       67.49       56.20       44.22  
Australian cents
    111.21       51.56       146.22       125.72       110.69  
 
Notes
 
*   All references in this report to net earnings and underlying earnings relate to profit attributable to equity shareholders of Rio Tinto. Underlying earnings is defined below and is reconciled to net earnings on page 182. EBITDA is earnings before interest, taxes, depreciation and amortisation. Underlying EBITDA excludes the same items that are excluded from underlying earnings. EBITDA and underlying EBITDA are reconciled to the income statement in the “Financial information by business unit” section of the financial statements.
 
Notes to pages 2 and 3
 
(a)   The accounting information in these charts is based on IFRS accounting information.
 
(b)   Underlying earnings is the key financial performance indicator which management uses internally to assess performance. It is presented here as an additional measure of earnings to provide greater understanding of the underlying business performance of the Group’s operations. Items excluded from net earnings to arrive at underlying earnings are explained in note 2 to the 2010 financial statements. Both net earnings and underlying earnings deal with amounts attributable to owners of Rio Tinto. However, IFRS requires that the profit for the year reported in the income statement should also include earnings attributable to non-controlling interests in subsidiaries.
(BAR GRAPH)
      


2   Rio Tinto 2010 Annual report


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(GRAPH)
 
(BAR GRAPH)


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(MAP)
Group overview
Opportunities for long term growth
 
     

Major global operations
Our assets are ideally positioned to serve our customers worldwide. The majority of our operations are in Australia and North America, but we also have businesses in South America, Europe, southern Africa and Asia. While our operating heartland is in OECD (Organisation for Economic Co-operation and Development) countries, much of our sales are to emerging economies – which are driving the anticipated growth in metals and minerals demand. To meet rising demand, we will continue to pursue value-adding organic growth, plus targeted small to medium sized acquisitions.
Our five product groups (below) are supported by our Exploration and Technology & Innovation groups.
 

Aluminium
We are a global leader in the aluminium industry. Our closely integrated facilities include high quality bauxite mines and alumina refineries, as well as some of the world’s lowest cost primary aluminium smelters.
Products
  Bauxite, alumina, aluminium
Key strengths
  Effective portfolio management, improving our already strong position and moving assets further down the cost curve.
 
  Largest bauxite producer in the industry.
 
  Self generated hydroelectricity at many facilities.
 
  Global scale gives the group the ability to seize opportunities and support customers worldwide as markets continue their recovery.
 
  One of the best growth project pipelines in the aluminium industry, supported by our management expertise and proprietary AP Technology™.
Copper
With diverse assets and leading technology, our Copper group is uniquely positioned to supply growing global demand. In 2010, we produced 678 thousand tonnes of copper, making us the world’s fifth largest supplier. We also produced 772 thousand ounces of gold and 13 thousand tonnes of molybdenum as by-products of our copper operations.
Products
  Copper, gold, molybdenum, silver, nickel
Key strengths
  Participation in and ownership of several world class operating assets. Management of the Oyu Tolgoi project, scheduled to be a top ten copper producer and a significant gold producer.
  Investment in a substantial growth profile.
 
  Industry leading technology and innovation.
Diamonds & Minerals
The Diamonds & Minerals group comprises mining, refining and marketing operations across three sectors. Rio Tinto Diamonds is one of the world’s leading diamond producers, active in mining and sales and marketing. Rio Tinto Minerals is a world leader in borates and talc, with mines, processing plants, commercial and research facilities. Rio Tinto Iron & Titanium is an industry leader in high grade titanium dioxide.
Products
  Diamonds, borates, titanium dioxide feedstocks, talc, high purity iron, metal powders, zircon, rutile
Key strengths
  Poised to benefit from late-cycle demand growth.
 
  Substantial brownfield and greenfield development pipeline.


Contribution to Group underlying earnings (a) (b)
(PIE CHART)
(IMAGE) Full operating review on page 42
Contribution to Group underlying earnings (a) (b)
(PIE CHART)
(IMAGE) Full operating review on page 46
Contribution to Group underlying earnings (a) (b)
(PIE CHART)
(IMAGE) Full operating review on page 50


(a)   Items excluded from net earnings to arrive at underlying earnings are explained in note 2 to the 2010 financial statements.
 
(b)   Aggregate product group underlying earnings contribution of 107 per cent is reduced to 100 per cent by negative amounts for Other items and Net interest.
      


4   Rio Tinto 2010 Annual report


Table of Contents

     
(MAP)

 
 
 

Energy
We are a leading supplier of thermal and coking coal to the Asian seaborne market and are one of the world’s largest uranium producers, serving electric power utilities worldwide. Our Energy portfolio includes: Rio Tinto Coal Australia; a coal mine at Colowyo in Colorado, US; Energy Resources of Australia, which produces uranium oxide from its Ranger operation; and Rössing, a Namibian uranium oxide producer.
Products
  Thermal coal, coking coal, uranium
Key strengths
  Strong customer relationships and high quality assets located in close proximity to growing Asian markets.
 
  Emphasis on operational excellence, thereby reducing waste and greenhouse gas emissions and engaging our people.
Contribution to Group underlying earnings (a) (b)
(PIE CHART)
() Full operating review on page 54
Iron Ore
We are the second largest producer supplying the global seaborne iron ore trade. After a decade of dramatic expansion in Australia, and more recent growth in both Australia and Canada, we believe we are well positioned to benefit from the continuing demand surge in China and other Asian markets. We are driving performance through effective project management and enhanced operational efficiency.
Products
  Iron ore, salt
Key strengths
  Proximity of the expanded Pilbara operations to the world’s largest and fastest growing markets.
 
  Success in increasing operational efficiency and controlling costs.
 
  Vast potential of brownfield developments near existing infrastructure.
Contribution to Group underlying earnings (a) (b)
(PIE CHART)
() Full operating review on page 58
Exploration
Exploration is one of the Group’s core activities – largely paying for itself through the sale of non core discoveries.
Potential Tier 1 discoveries (see page 62) are retained for development and operation. These have included two of the largest copper opportunities in the world at Resolution in Arizona, US and La Granja in Peru. Exploration has also delivered one of the world’s largest known undeveloped high grade iron ore deposits, at Simandou in Guinea, as well as the Caliwingina channel iron deposits in the Pilbara, Australia.
() Full operating review on page 62
Technology & Innovation
Our centralised team of specialists focuses on improving current technologies and operations, with emphasis on project development, execution and evaluation. The Group’s Innovation Centre concentrates on step changes that will give us competitive advantages in developing the orebodies of the future. A special Energy & Climate Strategy Centre is dedicated to improving the Group’s use of energy, reducing greenhouse gas emissions and understanding the effects of climate change on our operations and prospects.
() Full operating review on page 64


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Product overview
Touching your life every day
 
Major global commodities
Few people around the world can spend a day without using a metal or mineral in some way. In the production and supply of metals and minerals, Rio Tinto is one of the world’s most diversified companies. Major products are aluminium, copper, diamonds, coal, iron ore, uranium, molybdenum, gold, borates, titanium dioxide, salt and talc.
 
Aluminium
(IMAGE)
Bauxite, alumina, aluminium
Rio Tinto is a leading global supplier of bauxite, alumina and primary aluminium. In a closely integrated value chain, the mineral bauxite is refined into alumina which is smelted into aluminium metal. Aluminium is one of the most widely used metals and its largest markets are transportation, building and construction.
 
Copper
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Copper
About two thirds of copper production is used in electrical applications due to its high conductivity. It helps power our lives, in homes and factories, cars, computers, phones and equipment. Further major uses are in air conditioning and refrigeration, plumbing and roofing.
Molybdenum
Molybdenum is a metallic element frequently used in alloys with stainless steel and other metals. It enhances the metal’s toughness, high temperature strength and corrosion resistance. We produce molybdenum as a by-product from the Kennecott Utah Copper operations.
Gold
Gold has enjoyed a mystique and value unrivalled by other metals. Most gold that is not stored as bullion for investment purposes goes into jewellery. Gold’s conductivity and non corrosive properties make it a vital fabrication material in technology, electronics, space exploration and dentistry. We produce gold as a by-product from our copper mines.
Silver
Silver is a good conductor of electricity and does not corrode. It is used in many electrical and electronic applications, such as photovoltaic cells, and is the principal ingredient of x-ray film. Silver is also a metal of beauty, used to make lasting products for the home and person. Rio Tinto produces silver as a by-product of its copper production.
 
Diamonds & Minerals
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Diamonds
Diamonds share the role with gold as an important component in jewellery that ranges from top end jewellery through to more affordable pieces. Rio Tinto is able to service all diamond jewellery markets as it produces the full range of diamonds in terms of size, quality and colour distribution including whites, champagnes, cognacs, greys, blues and greens and the rarest of all, pink diamonds.
Borates
Refined borates are used in hundreds of products and processes. They are a vital ingredient of many home and automotive applications, and are essential nutrients for crops. They are commonly used in glass and ceramic applications including fibreglass, television screens, floor and wall tiles, and heat resistant glass.
      


Segmental analyses of sales revenue by product and by destination have been included in note 32 to the 2010 financial statements.
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Titanium dioxide
The minerals ilmenite and rutile, together with titanium slag, can be transformed into a white titanium dioxide pigment or titanium metal. The white pigment is a key component in paints, plastics, paper, inks, textiles, food, sunscreen and cosmetics. Titanium metal’s key properties of light weight, chemical inertness and high strength make it ideal for use in medical applications and in the aerospace industry.
Talc
Talc is hydrated magnesium silicate and is the softest rock in the world. It is an important ingredient in the manufacture of paper, paints, moulded plastics for cars and other familiar products. Rio Tinto produces various grades of talc for niche markets.
 
Energy
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Coal
Coal is plentiful, relatively inexpensive, and safe and easy to transport. We are a large producer in the export thermal coal market. Thermal coal is used for electricity generation in power stations. We also produce higher value coking, or metallurgical, coal which, when treated into coke, is used in furnaces with iron ore to produce steel.
Uranium
Uranium is one of the most powerful natural energy sources known, used in the production of clean, stable, base load electricity. After uranium ore is mined, it is milled into uranium oxide, the mine product that is sent away for further processing into fuel rods for nuclear power stations.
 
Iron Ore
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Iron ore
Iron is the key ingredient in the production of steel, one of the most fundamental and durable products for modern day living, with uses from railways to paperclips. Our mines are located in Australia and Canada.
Salt
Salt is one of the basic raw materials for the chemicals industry and is indispensable to a wide array of automotive, construction and electronic products, as well as for water treatment, food and healthcare.


Marketing channels
All sales and marketing activity is conducted by Rio Tinto’s product groups who utilise a range of sales and marketing channels to interact with customers. These channels include direct sales, sales via distributors and sales via agents. No customer facing sales and marketing activity is handled outside of the product groups.
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Chairman’s statement
A year of record results
 
   
Our commitment to operational excellence has seen us capitalise on improved conditions in the external environment.
(PHOTO OF JAN DU PLESSIS)

Jan du Plessis
Rio Tinto had an outstanding 2010. After responding to the challenges of the global financial crisis, and taking steps to stabilise and strengthen our organisation, we are now concentrating on, and delivering, operational excellence. This focus has allowed us to benefit from opportunities that have arisen in the more favourable external environment, and to deliver record results in 2010.
The exemplary performance of Rio Tinto’s people was fundamental to our success in 2010. Their efforts enabled us in many cases to work our assets throughout the year at, or above, nameplate capacity, while also improving our safety performance. In 2010, we set a new Group record in the annual production of iron ore.
We achieved record underlying EBITDA of US$26.0 billion, and record underlying earnings of US$14.0 billion, up 82 per cent and 122 per cent on 2009, respectively. Net earnings were US$14.3 billion compared with US$4.9 billion in 2009.
We remain committed to efficient capital management. It is our belief that the long term creation of shareholder value requires a balanced approach to investing in growth and returning excess capital to shareholders, while maintaining a strong balance sheet. Our confidence both in our own portfolio and in future demand
(BAR GRAPH)
for our products has allowed us to increase our annual dividend by 20 per cent compared with our previous commitment. We are also proceeding with a US$5 billion share buy-back, which we intend to complete by the end of 2012, subject to market conditions.
Improved global economy
The world’s major developed economies gradually stabilised during 2010, in response to government fiscal and monetary stimulus packages. Most were experiencing renewed GDP growth by the third quarter of 2009. China saw a sharp rebound in GDP growth, up from an annualised rate of nearly six per cent in 2009 to over ten per cent in 2010.
This economic stimulus has helped trade to recover from the low point of the global crisis, and thanks to our stronger balance sheet, we have been well positioned to benefit from this recovery. We have sharpened our focus on our programme of organic growth and, for 2011, we envisage continuing this focus, with capital expenditure set to increase to US$13 billion.
We believe we are well prepared for the key challenges facing the mining industry as we grow to meet rising demand. We will need to overcome skills shortages as we compete for new talent not only with other mining companies, but also with other expanding sectors, such as oil and gas. This trend will become more apparent as we move into new, riskier geographies. There will be new technical challenges as we develop more remote and complex orebodies, and increased competition from new players in our sector. Although we anticipate continued volatility in our markets, we will need to look beyond the peaks and troughs of a cycle and be prepared to expand through volatile times.




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Sustainable development
As the world becomes more reliant on the metals and minerals we produce, we are increasingly challenged to grow and to find new, more efficient ways of providing our markets with the raw materials they demand. And as we grow, we are able to share more of the sustainable benefits of our activities with those around us.
Rio Tinto’s commitment to sustainable development permeates our entire business. It is integral to our daily operations, to our legacy, and to our future. By maintaining our reputation as a responsible employer, neighbour, partner and citizen, we are constantly renewing our licence to operate. This approach gives us continuing access to the people, capital and resources we need.
We are recognised as a leader in sustainable development, as evidenced by our continued listing on the FTSE4Good, the Dow Jones Sustainability Indexes and the Carbon Disclosure Leadership Index. Our reputation helps us forge robust alliances with other organisations that lead the way in sustainable development, such as the three year partnership we formed with the International Union for Conservation of Nature in 2010. By sharing knowledge and best practice with our partners, we seek to continue to deliver sustainable benefits to the people and places where we work.
Governance and risk
To achieve our vision of global sector leadership, we must continue to maintain the highest standards of corporate governance. These standards are underpinned by ethical guidance in the form of our global code of conduct, The way we work; the application of best practice; and continually striving for excellence to create value for our shareholders. Based upon our agreed strategic framework, Rio Tinto’s board supports and oversees the Group’s management in its delivery of sustained operational excellence as well as growth opportunities, whether organic or through prudent corporate activity.
The board recognises that risk is an integral and unavoidable part of doing business and that while risk carries threats, it also offers opportunities. Our processes for handling risk effectively are embedded throughout our organisation and are essential for maintaining our competitive advantage. There is a more detailed discussion of risk management on page 24.
Board succession planning is an essential component of effective corporate governance and the continued success of our business. In 2010, we strengthened our board through the appointment of two new non executive directors, Ann Godbehere and Robert Brown.
We also saw two retirements from the board. Sir David Clementi, who was chairman of the Audit committee, stepped down in May 2010, as did David Mayhew. In accordance with a provision of the new UK Corporate Governance Code, all of the Directors will stand for re-election by shareholders annually with effect from the 2011 annual general meetings. As previously indicated, Yves Fortier, formerly chairman of the board of Alcan Inc and also Sir Rod Eddington, will not be standing for re-election by shareholders in 2011. Yves and Rod have each made significant contributions to the board during their tenure with Rio Tinto and I would like to express my personal appreciation of the tremendous support they have given to me over the years. Meanwhile, Andrew Gould, Senior Independent Director and chairman of the Remuneration committee, has announced that he will be leaving the Board at the conclusion of the 2012 annual general meetings.
On behalf of the board, I continue to lead the succession and routine refreshment of directors to ensure the most appropriate balance of skills and experience, and to drive effective decision making.
Outlook
Urbanisation and industrialisation in populous parts of the world will continue to provide a strong platform for increasing demand for metals and minerals. Although long term fundamentals for growth are strong, there are downside risks in the short term, and potential for medium term volatility due to persistent economic imbalances. Financial systems remain fragile, particularly in OECD countries. The increase in sovereign debts, and government measures to address fiscal imbalances, are likely to temper short term growth.
We constantly seek to assess the potential impact of these factors on the Group’s plans, and to enhance our capabilities to predict demand and understand our markets.
Our people’s commitment
It is inspiring to see the way our global team of people works together and strives for ways to improve our collective performance. Throughout the year, their commitment, talent and integrity have led to the delivery of remarkable results.
On behalf of the board, I would like to thank all of our people for their hard work during the past year. Our thanks also go to our shareholders, whose continued support of Rio Tinto has helped us achieve record levels of performance in 2010.
-s- Jan du Plessis
 
Jan du Plessis, chairman


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Chief executive’s statement
Strong momentum and value adding growth
 
   
From a position of increased strength and with growth firmly on our agenda, we are making significant progress towards our vision of global sector leadership.
(PHOTO OF TOM ALBANESE)

Tom Albanese

2010 saw Rio Tinto move steadily towards its vision of global sector leadership, recording exceptional performance and creating a clear pathway for sustainable growth.
We are now financially stronger and have greater optionality, thanks to significant progress with our divestment programme, efficiencies derived from our business transformation initiatives and record annual production in our iron ore business.
Improved pricing and market conditions also enhanced our flexibility and enabled us to approve US$11 billion in major capital projects during 2010. Growth is firmly on our agenda.
These achievements are a credit to the 77,000 employees who work for Rio Tinto across the world and I would like to thank them for their ongoing commitment.
In 2010, we increased our focus on operational efficiency and risk management, with a particular emphasis on compliance and continuous improvement. Running operations which are safe, reliable and injury and illness free is our number one priority. We are proud to have improved our safety record, with an 18 per cent decrease in the all injury frequency rate. However, I must record with sorrow the deaths of three people in our managed facilities.
We have increased our focus on process and contractor safety, remaining absolutely committed to safety in the workplace. We are determined to achieve zero harm in all of our operations.
(BAR GRAPH)
Strategy
Our strategy has remained absolutely consistent – to invest in and operate large, long term, cost competitive mines and assets, driven not by the choice of commodity but rather by the quality of each opportunity.
To achieve this, we focus on a portfolio of Tier 1 assets diversified by commodity, market and geography. This approach has underpinned our ability to overcome the challenges of previous years. I am greatly encouraged by the Group’s performance, which is a testament to our focus on creating shareholder value in the long term.
2010 objectives
As a result of the investments announced during the year, we have significantly enhanced our global presence in key operational areas.
In 2010, to support the execution of our strategy, we focused the business on five short term priorities: operational delivery; prudent balance sheet management; pursuing our growth path; completing the proposed Western Australian iron ore production joint venture; and strengthening our relationship with China.
I am pleased to say we made significant progress in almost all of these areas.
Our focus on operational delivery helped us break production records. We took steps to optimise our financial position and, as a result, our balance sheet is stronger. We grew organically, reflecting confidence in our business and the outlook for our markets.
The cessation of our plans to form a Western Australian iron ore production joint venture with BHP Billiton was a disappointment, but we respect the regulators’ views. We remain focused on a more than 50 per cent expansion of our iron ore business in the Pilbara, leveraging our world class assets and organisational capability.
We began 2010 with a difficult period in China, but went on to make significant progress in developing stronger ties there. In March 2010, four employees based in Shanghai were convicted of receiving bribes and obtaining commercial secrets. This disappointing and unacceptable behaviour violated the Group’s strong ethical culture as well as Chinese law, hence their employment was terminated. The independent forensic investigation found that any illegal activities were conducted entirely outside the Group’s systems.




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We also looked towards the future. In July, we signed a joint venture agreement with Chalco for the development and operation of the Simandou iron ore project in Guinea and we continue to have discussions with the Government of Guinea. At the end of the year, we signed a memorandum of understanding with Chinalco to establish a landmark exploration joint venture in China, and also agreed to extend our Channar Mining joint venture in the Pilbara with our partner, Sinosteel Corporation.
In a year of considerable progress across the Group, several projects stand out: our iron ore expansion plans in the Pilbara; our increased interest in the Oyu Tolgoi copper-gold project in Mongolia and the signing of an agreement to become the development and operating manager of Oyu Tolgoi; and progress towards modernising and expanding our Canadian aluminium portfolio. At the end of the year we announced a recommended offer for Riversdale Mining Limited, which, if successful, would provide us with a substantial Tier 1 coking coal development pipeline in Mozambique. This is an example of the small to medium sized acquisitions that we are currently focused on.
A strong framework for sustainable development
Wherever we operate, whatever we do, sustainable development underpins our vision. Our sustainable development approach gives governments confidence that we will develop resources in a way that will benefit their economies and communities and will protect their environments.
The mining and natural resource sector occupies an increasingly strategic and exposed position in the thinking of governments and other stakeholders. While these factors can lead to tensions, with effective management, new opportunities will emerge. Through proactive leadership, and by building relationships with all our stakeholders, we can turn this area of challenge and complexity into a source of competitive advantage.
We will continue to show leadership in areas such as employee health and safety; community engagement; and in global issues vital to the future of the world’s environment such as carbon, water use and biodiversity.
Well placed to meet rising demand
Prices for many of our products recovered during the year driven principally by demand growth in China and the OECD countries. Iron ore and copper prices were particularly strong. While government stimulus measures generally supported a gradual return to normalised global trade, the improvement in developed economies faded slightly during the latter part of 2010.
We believe the recovery momentum of the major economies will remain uncertain and volatile as the impact of the fiscal and monetary stimuli fades. Therefore, we remain cautious about the short term view of the economy. Globally, we expect GDP growth in 2011 to continue at broadly healthy levels of around 4.5 per cent. However, the pace of economic recovery will vary between the different markets we supply.
In the longer term, we believe the fundamentals are strong, but we will not be complacent. Much of the anticipated growth in demand for minerals will be driven by China and other emerging economies. Implementation of our established strategy will enable us to take advantage of increasing demand from these fast growing regions.
Financial recovery
We will meet that demand from a strong financial position. In the past year we have transformed the Group’s balance sheet. Our robust operating performance, including record annual production in iron ore, led to record cash flows and underlying earnings in 2010. We completed a number of disposals, making asset sales totalling US$4.2 billion in 2010. This takes the total divestments completed since 2008 to more than US$11 billion and largely completes the disposal programme launched in 2007.
Achieving our vision
With a focus on organic growth, we will also consider strategic merger and acquisition opportunities of moderate size that fit our overall direction and help us achieve our vision.
As we move into 2011 we have established a longer term vision for global sector leadership, reflecting the long term nature of our business. Our strategy and business model are explained in detail on p18.
The people who make it all happen
We are fortunate in the Group that our geographic spread gives us access to the skills and talents of a highly diverse workforce. But there is much more we have to do and we have set ambitious plans to foster greater diversity.
It is our policy to offer our employees career opportunities that are rewarding and stimulating with real opportunities for personal and professional development. For example, training and recruitment programmes are under way in a number of countries in which we have embarked on major development opportunities. These include Madagascar, Mongolia and Guinea.
We recognise that given our ambitious growth plans, our recruitment challenge will be substantial, particularly in some of our more competitive labour markets. We will not fulfil this requirement without a concerted effort to make Rio Tinto the employer of choice, something we are committed to achieving.
I want to take this opportunity to thank our shareholders, my leadership team and all of our employees across the world. It has been a year of exceptional performance and momentum, which was truly a team effort. I am looking forward to building on this success in 2011.
In a world of increasing commodity demand and growing sustainable development challenges I believe Rio Tinto will set itself apart through its leadership in operational delivery, exploration, technology and innovation and sustainable development to become the preferred industry partner and developer.
-s- Tom Albanese
 
Tom Albanese, chief executive


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Chief financial officer’s statement
Sustainable growth in shareholder value
 
   
Rio Tinto is once again able to invest in its high quality value adding growth programme, maintain a strong balance sheet and deliver capital returns to shareholders.
()

Guy Elliott

Record breaking financial performance
Record underlying earnings of US$14.0 billion were 122 per cent higher than 2009 driven by the continuing recovery in commodity prices and strong operational performance. Record cash flows from operations of US$23.5 billion demonstrated the exceptional cash generation capabilities of our Tier 1 assets.
Strong operational performance during 2010 allowed us to benefit fully from the strong price environment. The broader global recovery meant that we began to face pressures on our costs that are likely to continue in the coming year. In particular, labour and contractor costs in some geographies such as Western Australia are expected to rise. However, we are focusing on productivity improvements, effective procurement and operating efficiency to help to offset these input cost pressures.
The markets for our products are increasingly complex, with the introduction of new pricing mechanisms in the bulk commodity markets, the continued emergence of base metals as a financial asset class and the volatile macroeconomic environment in which we continue to operate. To navigate these challenges effectively Rio Tinto has formed a Marketing Leadership team. This team will support our marketing vision of optimising the value of our resources, enabling our sales and marketing teams to become increasingly nimble and customer focused.
(BAR GRAPH)
Restoration of balance sheet strength
We transformed our balance sheet in 2009 and we further improved on that position during 2010. Through strong cash flows from operations and the completion of US$4.2 billion in divestments, we reduced our net debt from US$18.9 billion to US$4.3 billion.
In addition to reducing net debt, we have also improved our medium term debt maturity profile and reduced our weighted average interest cost. In October 2010 we successfully issued US$2 billion in bonds with five, ten and 30 year maturities at record low interest rates for the metals and mining industry. The proceeds were used in a successful tender for US$1.9 billion of bonds due in 2013.
These actions are part of a prudent approach to managing the balance sheet. This has been rewarded by an improvement in our overall credit rating.
A strong balance sheet will allow Rio Tinto to invest at all points of the commodities cycle in our first class growth projects. It may help us to withstand sudden large shocks to the global economy that could arise from the significant imbalances that currently exist, enabling us to take advantage of value creating opportunities as they arise.
The investment environment
Over the long term we expect industrialisation and urbanisation in developing economies, including China and India, to continue to drive underlying growth in demand for the commodities that we produce. In Europe and North America high levels of government debt will mean difficult decisions for governments as they rebalance their economies. These worldwide discontinuities introduce the risk of unexpected shocks in the global economy. Our outlook is therefore for strong underlying growth for our products but with a potentially high degree of volatility.
It is important that we have a stable environment within which we can invest. A key to successful mineral development is a culture of trust, transparency and mutual benefit to all parties. Australia’s proposed Resource Super Profits Tax and its subsequent replacement with the Mineral Resource Rent Tax proposal highlighted that resources and resource nationalism are now major items on the political agenda




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in many countries. Rio Tinto is committed to working constructively with all host governments to ensure that tax policy development does not create a hostile environment for investment.
Within this context our strategy remains to invest in Tier 1 resources – those with the potential for a long life, that are cost competitive and that have options to expand. We do not prioritise investment in any particular commodity and do not limit ourselves to those commodities in which we currently operate. Similarly, we do not target or avoid specific geographies. By focusing on identifying and investing in Tier 1 assets which will add value to our shareholders, regardless of the commodity concerned, we will remain a diversified natural resources group.
Investing in organic growth
We have a very strong pipeline of high quality organic projects and a mineralisation position which allows sustainable long term growth. Because the quality of our projects is high, we will maintain our position as a large, cost competitive producer.
We have continued to invest in the business with capital expenditures in 2010 of US$4.6 billion. During the year we approved US$11 billion for new major projects including expansion of our iron ore infrastructure and mines in Western Australia and Canada, the first phase of an aluminium smelting plant in Quebec using our new AP60 technology, and the modernisation of the Kitimat aluminium smelter in British Columbia.
The approval of these and other projects in 2010 together with ongoing projects such as the expansion of Yarwun alumina refinery and the Kestrel coking coal mine will drive the allocation of capital in 2011, when we expect capital expenditure of approximately US$13 billion.
In 2010 we began to reinvigorate our exploration and evaluation programmes. The Group has a long history of finding high quality assets through exploration. We are funding feasibility and pre-feasibility studies on projects such as the further expansion of our Pilbara operations, Simandou, La Granja, Resolution, and the Kennecott Utah Copper extension. This work will develop the next generation of Tier 1 assets.
Rio Tinto has a very substantial inventory of projects which have not yet reached the stage of development approval. These projects provide us with valuable growth potential over the longer term.
Business development
Since the beginning of 2008 we have realised over US$11 billion of gross cash proceeds from the sale of non core assets. The majority of the divestments identified during the strategic review in 2007 are now complete, including nearly all of the Alcan downstream businesses. However, we will continue to review the portfolio of assets to identify those that are no longer consistent with our strategy, with a particular focus on higher cost aluminium assets.
We are also constantly reviewing the market for potential opportunities to add to our portfolio through small to medium sized acquisitions and other business combinations.
In December we announced a recommended cash offer for Riversdale Mining. This is a good fit with Rio Tinto’s strategy of focusing on small to medium sized acquisitions that provide access to large, long term, cost competitive assets.
In December we signed an agreement with Ivanhoe Mines, the owner of 66 per cent of the world class Oyu Tolgoi copper-gold project in Mongolia, whereby Rio Tinto will become the development and operating manager of that project. We have now increased our ownership interest in Ivanhoe Mines to 42.1 per cent and secured the right to increase this further to 49 per cent.
We will continue to look for further innovative opportunities to enter into new joint ventures with various parties. In the past we have gained access to new resources, new geographies and special expertise through such vehicles and will look to continue to do so in the future.
We continue to employ a disciplined approach to investing in growth opportunities. Investments in projects and business combination opportunities must continue to meet our strict criteria of investing in high quality large, long term, cost competitive and expandable assets at good value.
The return of capital to shareholders
Our first priority for allocation of capital has always been, and remains, to make value adding investments in our business in order to optimise shareholder value. We are committed to achieving and maintaining a single A credit rating.
A further priority is our dividend. We were pleased to announce a final dividend of 63 US cents per share. The total dividend in respect of 2010 was 108 US cents per share, 20 per cent higher than the dividend commitment we had made to shareholders at the time of the rights issues in June 2009. This will form the basis of a progressive dividend policy, so that we expect the US dollar value of ordinary dividends will increase over time. The interim dividend is set at one half of the total dividend for the previous year and is therefore expected to be 54 US cents per share in 2011. Under the progressive dividend policy the final dividend for each year is expected to be at least equal to the previous interim dividend.
We recognise that during times of high cash generation a progressive dividend policy alone will not return excess cash to shareholders. Therefore, we are undertaking a US$5 billion share buy-back programme over 2011 and 2012, subject to market conditions. This commitment will still leave us with the flexibility to make significant investments in our business while remaining committed to achieving a single A credit rating.
Rio Tinto is once again able to invest in its high quality value adding growth programme, maintain a strong balance sheet and deliver capital returns to shareholders. Our established strategy, financial discipline and leadership in project execution all mean that we are well positioned to continue creating sustainable growth in shareholder value over the coming decades.
-s- Guy Elliott
 
Guy Elliott, chief financial officer


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Strategic context
A global perspective for metals and minerals
 

(LINE GRAPH)
Competitive environment
Rio Tinto is a major producer in most of the metals and minerals markets in which it operates. It is generally among the top five global producers by volume in each such market. Rio Tinto’s activities are spread across the globe. Most of Rio Tinto’s competitors are private sector companies which are publicly quoted. Several are, like Rio Tinto, diversified in terms of commodity exposure, but others are focused on particular commodities.
High quality, long life mineral resources, on the basis of attractive financial returns, are relatively scarce. Nevertheless, Rio Tinto holds interests in some of the world’s largest deposits. Rio Tinto expects world production volumes to grow in line with global economic growth. In addition, higher demand from China and potentially India, as a result of high rates of economic growth and urbanisation trends in those countries, could contribute further to increases in world production volumes in the long term.
Global economy
The introduction of large fiscal and monetary stimuli by governments around the world started to take effect towards the middle of 2009. Global trade started to recover during the second half of the year, led by activity in Asia. Major developed economies gradually stabilised with most experiencing renewed GDP growth by the third quarter of 2009.
The recovery continued into 2010, although with marked differences in the pace and sustainability of growth between OECD and emerging Asian countries. The emergence of a two-speed economy reflects the fact that financial excesses leading to the global crisis had developed primarily in advanced economies, which now face a significant adjustment process. However, it is also a reminder that many of the global imbalances that had accumulated over the past decade remain, and in some cases, have become more acute.
The recovery in the OECD has so far been dependent on government stimulus and an initial phase of inventory rebuilding, with the growth momentum built since the middle of 2009 fading slightly in the latter part of 2010. Sovereign debts in advanced economies have increased significantly as a result of the financial crisis and governments in several countries are now faced with tough decisions to address fiscal imbalances by reducing spending and raising taxes, with likely negative consequences for short term growth. Financial systems remain fragile implying scope for volatile outcomes ahead.
(LINE GRAPH)
Although the short term prospects for emerging economies are much brighter, Asian countries continue to rely strongly on demand from advanced economies. The reform process required to boost domestic consumption is likely to be lengthy. In the meantime, growth in China has become even more dependent on investment than before the global financial crisis, with fixed capital formation now accounting for over 40 per cent of China’s GDP. Such imbalances are likely to remain key challenges for the global economy in coming years. However the key underlying trends of urbanisation and industrialisation in populous parts of the world will continue to provide a strong platform for growth.
China
The sharp rebound in China’s economic growth since the first quarter of 2009 resulted from the Chinese Government’s rapid response to the collapse of global trade as well as a reversal of tightening policy introduced during 2008 to combat an overheating property market. The RMB4 trillion stimulus package introduced in late 2008 and the accompanying surge in bank lending spurred the development of infrastructure projects and a quick turnaround in housing construction activity. Having fallen to an annualised pace of nearly six per cent in early 2009, China’s GDP growth exceeded ten per cent in 2010.
With the growth momentum firmly back on track, the Chinese Government renewed its attempts to quell rising house prices through a series of policy interventions. The key challenge is for the Government to successfully contain inflation and asset bubbles in an environment of excess liquidity. The Government is also pushing for more incremental structural reforms to boost household consumption.
As the Chinese economy transitions towards its 12th five year plan, it is likely to focus increasingly on development strategies and institutional reforms aimed at reducing some of the growing domestic imbalances. This should translate into a stronger focus on technology and services as well as policies targeting the development of inland and rural areas. Although such reforms could ultimately lead into a phase of economic growth that is less commodity intensive than over the past ten years, investment and the development of infrastructure projects should remain an important aspect of the Chinese economy in the medium term. China consumed 400kg of steel per capita in 2009, about half the levels seen in Japan at its peak, with significant scope for further increases in coming years.
      


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Commodity markets
The start of a stabilisation in the global economy from the second quarter of 2009, and more importantly the rapid turnaround of the Chinese economy, triggered a sharp rebound in commodity prices. Chinese imports of metals and minerals soared to new highs during 2009 as a result of recovering underlying demand, restocking, scrap shortages, closure of high cost domestic capacity and some speculative activity facilitated by rising liquidity. As a result China’s share of global demand in 2009 increased to between 35 and 50 per cent for several commodities and up to two thirds for traded iron ore.
China’s strong appetite for commodities continued into 2010 in combination with resurgent demand from OECD economies. Although minerals and metals consumption in advanced economies remained below pre-crisis levels, the demand trends contributed to a further tightening in some markets and a return to prices seen in mid 2008 for commodities such as copper and iron ore. In a significant shift in energy markets in 2009, China became a net importer of thermal coal. This continued into 2010, absorbing supply from traded Asian seaborne coal and keeping upward pressure on prices. Meanwhile, the aluminium market has moved closer to balance during 2010 benefiting from strong demand from the recovering automotive sector. However, overall stock positions remain high compared to historical levels.
For bulk commodities, a key development during 2010 has been a further step away from previous benchmark price settlement mechanisms and towards more market oriented and shorter term pricing arrangements. These movements reflect changing market dynamics, with China being the main catalyst through rapid demand growth and greater fragmentation of the demand and supply sides. Pricing periods for coking coal and iron ore have moved towards quarterly cycles and, in the case of iron ore, references to published price indices started to appear in term contracts. Although still relatively underdeveloped, these new pricing arrangements are attracting the attention of financial institutions with the establishment of financial tools such as futures contracts for iron ore.
The growing influence of financial investors is also being felt in the already well developed base metals markets, with discussions during 2010 focused on plans to introduce physically backed Exchange Traded Funds for aluminium and copper. Low interest rates are already facilitating the financing of stock positions in
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the aluminium market where a large proportion of on and off LME inventories are currently understood to be tied into financing deals. Such activities are likely to continue in a context of further quantitative easing, the major effects of which are to reduce real interest rates, weaken the US dollar, raise inflation expectations and increase asset prices, especially for assets leveraged to growth in developing countries such as commodities.
Despite the greater participation of an increasing web of financial players in the commodity markets, physical fundamentals remain key in driving price dynamics. In a context of renewed strong demand, cost inflation is starting to creep up again across the mining industry with potential supply side challenges as a consequence.
Outlook for 2011
Forecasters have become more cautious about the strength in OECD economies in 2011 but the IMF is still predicting global growth above four per cent and Chinese GDP is expected to grow above nine per cent. Historically global growth at these levels has provided a strong basis for commodity demand allowing Rio Tinto to run its operations at full capacity.
Some risks to the near term outlook include an inevitable reduction in the level of fiscal and monetary stimulus, much of which is commodity intensive. Another key risk is linked to sovereign debt crises, especially in Europe, and the potential impact that these could have on the stability of global financial markets as well as implications for investor and consumer confidence.
Looking to the longer term, increasing prosperity in developing countries including China and India, with associated industrialisation and urbanisation, will continue to drive underlying growth in demand for commodities. At the same time, it is apparent that global imbalances might take many years to resolve. This points to a high average growth setting for our markets but also one characterised by potential strong volatility. Rio Tinto, and the mining industry in general, are responding to the rapid demand recovery and stronger prices with reinvigorated capital expenditure expansion plans. This is in turn putting renewed pressure on skills, equipment and key raw material availability with implications for cost escalation and project schedules.


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The way we work
Our global code of conduct
 
   
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The way we work defines how we conduct ourselves as a business. It is underpinned by our values, our approach to sustainable development, and by effective corporate governance.

 
Chairman’s introduction
Four values define Rio Tinto: accountability, respect, teamwork and integrity.
They guide everything we do and are expressed through the principles and standards of conduct as set out in a global code of conduct called The way we work (available on our website at ww w.riotinto.com/library).
The way we work defines the way we manage the economic, social, political, environmental and governance challenges of our operations. It also frames a unified approach to complying with the regulatory obligations of our stock exchange listings in the UK, Australia and the US. Everyone in the Group is required to take training on The way we work.
But most important of all, our values help the Group to fulfil our commitment to shareholders to maximise total returns whilst also fulfilling our commitment to contribute to sustainable development. This is because, as a company
(IMAGE)
with a reputation for acting responsibly, we will be welcome as investors, partners and members of the local community wherever in the world we operate.
This will hold true even as expectations and regulations surrounding corporate governance change following the global financial crisis and our business evolves.
We regularly review our practices to make sure they are aligned with changing regulations and that they continue to support the principles and values contained in The way we work.
-s- Jan du Plessis
 
Jan du Plessis, chairman
 
 
Related information online at ww w.riotinto.com
() ww w.riotinto.com/library
() ww w.riotinto.com/ourapproach
 
Related sections within this report
         
() Report on corporate governance
    p114  
() Risk management
    p24  
() Sustainable development review
    p29  
 


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Governance
The role of the board
Rio Tinto plc and Rio Tinto Limited have a common board of directors who are responsible for the Group’s success and accountable to shareholders for our performance.
Consistent with accepted good practice, the board consists of a mix of executives and independent non executives, the majority being independent non executives. This combination balances innovative thinking with business knowledge and experience.
The board has established committees responsible for audit, executive remuneration, executive and non executive succession, social and environmental matters and assisting the board to deliver its responsibilities. Each plays a vital role in underpinning how we work.
To ensure their relevance and continuing adherence to best practice, the committees annually review their terms of reference. More detailed descriptions of the board and its committees are on pages 118 and 122.
Managing risk
Rio Tinto recognises that risk is an integral component of its business, and that it is characterised by both threat and opportunity. The Group fosters a risk aware corporate culture in all decision making. Through skilled application of high quality, integrated risk analysis and management, we enhance opportunities and reduce threats, and so achieve and maintain competitive advantage.
The Group’s Risk standard guides the process by providing an overall methodology and structure for the handling of risk within the organisation. The Group seeks to provide the board and senior management with a consistent, Group wide perspective of the key risks. Reports are submitted to the board twice per year and include assessment of the likelihood and impact if risks materialise, along with risk management initiatives.
Sustainable development
As a company, we naturally meet the needs of customers, but we seek to do this without compromising the ability of future generations to meet their needs. That is what we mean by sustainable development. It is good business as well as good sense.
Our continuing financial success depends on the Group’s ability to gain access to the land, people and capital we need. To do that, we put our economic, social, environmental and technical expertise to work to harness these resources. This process creates prosperity that is shared among shareholders, employees, communities, governments and business partners.
But there is more to it than that. Sustainable development also demands rigorous environmental stewardship. If we cannot always prevent harm, we can minimise and remediate any negative environmental effects of the Group’s operations. To ensure this, we have developed high standards that we maintain by implementing a wide range of practical programmes. These apply to issues that include air quality, ecosystems, biodiversity, climate change, the use of energy, land and water, waste disposal and facility closures.
This focus on environmental stewardship also delivers financial benefits. For example by improving energy efficiency we not only reduce our environmental impact, we also reduce our operating costs.
Social wellbeing is another fundamental aspect of our approach to sustainable development. This involves providing a safe and healthy workplace in which people, treated with fairness and decency at all times, can develop their full potential.
And going beyond the workplace, our idea of social wellbeing extends to our neighbours. With them, we seek long term partnerships characterised by the mutual respect that leads to trust.
However, good intentions are never enough. So for us strong governance systems are a vital part of putting sustainable development into practice. These systems ensure that we continue to manage our business with openness and accountability.
Values
Our reputation stems from our four core values, which define the essence of who we are and who we will be: accountability, respect, teamwork and integrity.
The first of these values – accountability – is about taking ownership of our performance and decisions, and the impact that they have on the business. We also support the accountability that others have in their own areas of work.
We demonstrate respect through our approach to sustainable development, and by recognising our people’s contributions to the business. We care for each other’s health, safety and wellbeing.
By working as a team, we can focus our collective efforts on where they deliver the best outcome for the Group. We believe good team members trust in the commitment and capability of others.
And finally, we work with integrity, treating all our stakeholders with fairness, honesty and openness.


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Group strategy
Striving for global sector leadership
 
Our strategy
How Rio Tinto is achieving its vision, creating and preserving value, and exercising
its strategic advantage.
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Our vision and how we will achieve it
Our vision is to become the sector leading global mining and metals company.
As we work to achieve this vision, we will maximise shareholder return by sustainably finding, developing, mining and processing natural resources.
We will do this through a strategy of investing in and operating large, long term, cost competitive mines and businesses, driven not by choice of commodity but by the quality of each opportunity.
Rio Tinto’s diverse portfolio includes some of the world’s best assets. The high calibre of our people, our expertise in exploration, technology, innovation and marketing, and our commitment to sustainable development have given us a proven track record in successful project execution and operational excellence. We believe these qualities and achievements position us well for becoming the global leader in our sector.
As a highly capable organisation with global reach, we believe we are well placed to respond to rising demand for metals and minerals which is being driven strongly by emerging economies. The breadth and scale of our business means that we can supply key metals and minerals needed by worldwide markets at various stages of their economic development, from the raw materials needed for basic infrastructure to the products needed to manufacture hi-tech consumer goods.
Effective procurement and supply integration across our Group helps ensure we run an efficient supply chain, maximising production across our products to meet customer needs with reliability of supply.
The way we work is equally important to achieving our vision, as we integrate sustainable development practices into everything we do, wherever we operate: building on improvements to health and safety performance and extending leadership in areas such as community and government engagement, biodiversity and management of land, carbon, energy and water.
Success in these areas helps strengthen our licence to operate. We are recognised as a socially responsible developer, and one that builds strong relationships that bring lasting benefits to our
neighbours and to the places where we work. Our approach gives us improved access to land, people and capital – all of which are essential to our future success.
Collectively, our strengths provide us with our strategic advantage. And this advantage is allowing us to meet responsibly the needs of a wide variety of customers while generating superior returns for our shareholders.
Strategic drivers
Five strategic drivers help us achieve the Group’s strategy.
Financial and operational excellence
We have a Group wide focus on financial and operational excellence, which involves constantly improving safety, productivity, operational efficiency and cost control at every stage of our business.
Many of our assets already operate in the first or second quartile of their industry cost curves. And we continue to seek operating and cost efficiencies by identifying and implementing leading practices across the Group.
A few of our assets are higher cost. We aim to transform these businesses into more competitive performers, for instance by introducing new technologies, by gaining efficiencies through incremental volume enhancements, or through more effective procurement practices. We continually review our portfolio to ensure that all assets are a good strategic fit with our business.
Our focus on financial performance also includes the prudent management of our balance sheet to achieve and maintain a single A credit rating. A strong balance sheet provides greater resilience against volatility in the global economy and the effect this might have on short term commodity prices.
By operating our own mines, we are able to take advantage of performance improvement initiatives generated by our own employees – people who genuinely understand the facilities where they work.
In all of our operations we have a relentless focus on safety leadership. Our aim is to create an environment in which all employees and contractors have the knowledge, skills and desire to work safely, so that everyone goes home safe and healthy at the end of each day.




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Licence to operate
Rio Tinto aspires to be the industry partner of choice in working with governments, joint venture participants, communities, customers and other stakeholders.
Our Group wide values of accountability, respect, teamwork and integrity guide our approach. We are recognised for building mutually beneficial relationships with our stakeholders based on active partnership and long term commitment. We are also regarded as a company that brings long term benefits to our local communities and host countries. Our strong reputation in these areas is a source of significant strategic advantage.
More widely, we are continuing to improve relations with local, regional and national governments. Key to successful mineral development is a culture of trust, transparency and mutual benefit to all parties. This is established through honest engagement with all stakeholders, including governments and local communities.
Equally important is our determination to minimise the Group’s environmental footprint, particularly when it comes to carbon, water and biodiversity.
We are refreshing our approach to sustainable development to ensure it remains focused on the social, environmental, economic and governance risks most relevant to delivering our business strategy. By building relationships with our stakeholders, and by applying risk analysis and management effectively throughout our business, we can create opportunities out of external challenges, and extend our licence to operate.
Growth
We believe the first and best use of our strong balance sheet and cash flows is to invest in our strong pipeline of organic growth opportunities. Our strategy prioritises growth that adds value to our business, either through increased production capacity, or through extended mine life. The adherence to our strategy over the years has resulted in a succession of value-creating investment decisions, which in turn have led to superior long term performance.
We have a very strong pipeline of organic growth projects and a mineralisation position that allows sustainable long term growth. Our projects include brownfield expansions and new
greenfield projects. In many cases, our opportunities to expand are the consequence of wise investment decisions made years ago.
Many of our greenfield opportunities are in regions where we do not have a long established presence, but our proven ability to develop operations in new countries in a responsible and sustainable manner allows us to gain stakeholder buy-in.
We also review opportunities to add shareholder value through small to medium sized acquisitions or other business combinations. We have a strict, value-focused approach to mergers and acquisitions, and seek opportunities that will give us entry to Tier 1 assets.
All growth opportunities are assessed using our rigorous investment approval process based on detailed modelling of discounted cash flows, and are subject to comprehensive internal but independent reviews. Only the best projects that are expected to deliver value over the long term are approved.
Globalising the business
The global spread of our operations is one of the Group’s greatest advantages and also gives us access to a wide range of markets.
As the Group expands in terms of both size and geography, we are working to build a more diverse, engaged, agile and flexible workforce – one that reflects our growth potential and one that is capable of reacting quickly to changing market opportunities and challenges.
Helping to develop the talent of our employees in emerging markets and providing them with continued growth opportunities will help ensure that we have future leaders that reflect the increasingly diverse regions and cultures in which we operate. Through our scholarship and bursary programmes, and by offering internships and summer placements, we reach out to, and encourage, our future leaders during their academic lives.




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Group strategy continued
 


Technology and innovation
Innovative technologies will lead to dramatic improvements in our operating business and the way we develop new mines. These technologies can also put us ahead of the competition.
An example of this is Rio Tinto’s Mine of the Future™ programme, which we believe will deliver heightened efficiencies in terms of both production and costs, as well as a safer working environment with reduced impact on the environment.
Mine of the Future™ involves collaborative partnerships with leading universities and equipment producers to expand the potential of automation and remote operations.
Such advances have enabled the opening of the Perth Operations Centre from which Rio Tinto people can control iron ore mining and infrastructure at our Pilbara operations, more than 1,000km away.
Another key focus of Group innovation is underground tunnelling and shaft sinking. At our Northparkes copper and gold mine in Australia we will test a system designed to allow us to excavate at more than double the rate of conventional methods. Success there will enable us to apply the technology for the next generation of block cave mines. This will increasingly be a strategic differentiator, as future ore deposits, especially copper, are often located at deeper depths.



Delivering our strategy –
adding value across the cycle
We create and preserve value through investing in and operating large scale, long term, cost competitive mines and businesses. The nature of our business means that the lifecycle of an orebody may last for many decades. Throughout the life of a business, from initial exploration to final closure and restoration, we commit to the highest standards of sustainable development.

Investing
Explore and evaluate
Rio Tinto has an experienced in-house exploration team with a proven track record for the discovery of Tier 1 orebodies. In addition to exploration, we create value through expansions and extensions of existing assets. Rio Tinto’s orebody knowledge process allows us to evaluate value enhancing approaches to developing, operating and growing our resources.
() More information on page 62
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Bunder, India
Analysing drill core samples at the diamond project in Madhya Pradesh.
Develop
Rio Tinto develops orebodies with long term value delivery in mind. Following the discovery of a resource, it must be thoroughly studied to identify the optimal configuration for development of the orebody and delivery of the product to the market. As studies are undertaken, economic modelling confirms value. Once we have obtained internal and external approvals, the project moves to implementation and construction.
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Oyu Tolgoi, Mongolia
Mine shaft construction at the copper-gold mine.




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The Group takes the threat of climate change seriously. Technological advances are enabling us to improve the efficiency of our aluminium smelting facilities while lowering their carbon output. We are also looking into the potential benefits of widespread carbon capture and sequestration.
In the long term our commitment to technology and innovation should have a positive impact in attracting new employees to the Group and should help us supply a wider range of customers and markets more sustainably than ever.
Key performance indicators
Rio Tinto uses a number of key performance indicators (KPIs) to monitor our financial and non financial performance.
These KPIs are a measure of how well we are achieving our strategy, and they link clearly to our strategic drivers.
Our KPIs give senior management a means to evaluate the Group’s overall performance in operations, growth and sustainable development. They provide managers and their teams with clarity and focus on areas critical to our success.
The KPIs also give guidance to the Remuneration committee in framing our remuneration policy. Some of the KPIs are directly linked to executive remuneration.
() See p.22 for more information on our KPIs.


()
Operate
Rio Tinto creates value through operating its large, long term, cost competitive assets safely and efficiently. As a capable, global organisation, we employ standard operating and maintenance practices across the Group, and invest in our world class assets throughout their lifecycles. An efficient process reduces the use of consumables, increases equipment operating time and optimises the extraction of ore – all of which results in higher production levels, reduced costs and optimisation of value.
() More information on page 42
 
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World class assets
Iron ore loading facility, Western Australia.
  Mine
Rio Tinto moves millions of tonnes of material every day. We have world class technologies and processes to plan, operate and maintain our mining equipment and activities.
 
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Leading technologies
Operations centre in Perth, Western Australia.
  Process
Our leading proprietary technologies, such as that for aluminium smelting, ensure that recoveries are maximised and our processes are as efficient as possible. We produce material that is of the right quality for our customers.
 
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Global presence
Serving customers worldwide.
  Market
We sell our products directly to our customers, the end users. We seek out long term partnerships to maximise product value and constantly create new products that add further value.
 
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Infrastructure network
Transporting products from mine to market.
  Deliver
In many cases, Rio Tinto is responsible for delivering finished product to our customers. We do this in a variety of ways, efficiently, reliably and cost effectively.
Close down and restore
When a resource reaches the end of its life, we are committed to high standards of close down and restoration. Integrating closure planning in the early stages of project development and through an asset’s lifecycle helps us to leave a positive legacy of sustainable development, minimise financial impacts and ensure stakeholder expectations are met. Our closure standard covers the design, development, operation and closure of all our operations.
() More information on page 40
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Barneys Canyon, US
Rehabilitating waste rock dumps into a wildlife habitat.


()


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Key performance indicators
Measuring our performance
 

Our key performance indicators (KPIs) give us a means to measure our financial and sustainable development performance. Their relevance to our strategic drivers, and our performance against these measures in 2010, is explained on these pages.
             
 
KPI trend data
The Group’s performance against each KPI is covered in more detail in later sections of this Annual report. Explanations of the actions taken by management to maintain and improve performance against each KPI support the data.
KPIs used as a key measure in the remuneration of executives are identified with this symbol: ®
() See the Remuneration report on p.128
  (COLUMN CHART)
 
           
 
Relevance to strategic drivers
  Our commitment to zero harm means that the AIFR is one of the Group’s most important non financial KPIs. Safety is a leading indicator of management performance. It is central to our focus on operational excellence and our licence to operate. A reputation for being a safe employer and neighbour helps us to gain access to the people and resources we need.   Underlying earnings is a measure that provides insight into the underlying business performance of the Group’s operations and is the key financial performance indicator used across the Group. This KPI provides insight to cost management, performance efficiency and production growth. It is therefore an indicator of financial and operational excellence and growth.   TSR measures the Group’s performance in terms of shareholder wealth generation through dividends and changes in the share price. As a measure of how we maximise shareholder return, this KPI measures our performance against our strategy as a whole. Relative TSR is also monitored, which gives insight into our performance against our peers.
 
           
 
Definition
  AIFR is calculated based on the number of injuries per 200,000 hours worked. This includes medical treatment cases, restricted work day and lost day injuries for employees and contractors.   Items excluded from net earnings to arrive at underlying earnings are explained in note 2 of the 2010 financial statements.   TSR combines share price appreciation and dividends paid to show the total return to the shareholder.
 
         

 
 
Performance
  Our AIFR has improved 39 per cent over the last five years, with an 18 per cent improvement from 2009.   Underlying earnings in 2010 of US$13,987 million were US$7,689 million above the comparable measure for 2009. This was largely due to the strong recovery in prices during the year.   The Group’s average total shareholder return for the year ended 31 December 2010 was 32.6 per cent reflecting a combination of strong commodity markets and excellent operational performance. These translated into higher operating cashflows which, together with divestment proceeds, enabled the Group to pay down US$14.6 billion of debt during the year and pay dividends totalling US$1.8 billion.
 
 

 
       
 
 
  () More information on p.31   () More information on p.250   () More information on p.137
 
Notes
 
(a)   The accounting information in these charts is drawn up in accordance with IFRS.
 
(b)   Underlying earnings is the key financial performance indicator which management uses internally to assess performance. It is presented here a measure of earnings to provide greater understanding of the underlying business performance
    of the Group’s operations. Items excluded from net earnings to arrive at underlying earnings are explained in note 2 to the 2010 financial statements. Both net earnings and underlying earnings deal with amounts attributable to the owners of Rio Tinto. However, IFRS requires that the profit for the year reported in the income statement should also include earnings attributable to non-controlling interests in subsidiaries.




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(GRAPH)
 
           
 
A strong balance sheet gives us resilience in a volatile global economy. Net debt is a measure of how we are managing our balance sheet and capital structure, and is closely linked to our financial and operational excellence strategic driver.
  Our capital expenditure KPI connects to our growth strategic driver. It measures our level of investment in protecting and maintaining our existing assets, as well as our investment in the growth projects that will be our future Tier 1 operating assets. The geographic distribution of our capital expenditure is also a measure of how we are globalising the business.   Operating cash flow is a complementary measure to underlying earnings. It is employed as a measure of business performance and links to two of our strategic drivers: growth, and financial and operational excellence.   We use greenhouse gas (GHG) emissions intensity as a KPI because of the urgent need for climate action, and because it is one of the most widely recognised environmental issues. The KPI links to our licence to operate and our technology and innovation work, which are key drivers of our strategy.
 
           
 
Net debt is calculated as: the net total of borrowings, cash and cash equivalents, other liquid resources and derivatives related to net debt.
  Capital expenditure comprises the net cash outflow on purchases less disposals of property, plant and equipment, capitalised evaluation costs and purchases less disposals of other intangible assets.   Operating cash flow represents the cash generated by the Group’s operations, before payment of interest, taxes, capital expenditure, and cash flows relating to financing activities. The measure is equivalent to “cash flows from operations” in the Group cash flow statement.   Our GHG emissions intensity measure is the change in total GHG emissions per unit of commodity production relative to a base year. Total GHG emissions are direct emissions plus emissions from imports of electricity minus electricity and steam exports and net carbon credits purchased from, or sold to, recognised sources.
 
           
 
During 2010, net debt decreased from US$18.9 billion to US$4.3 billion due to strong operating cash flows and proceeds from the divestment programme. Net debt to total capital was significantly reduced to 6.2 per cent at 31 December 2010, compared with 29.1 per cent at 31 December 2009.
  Capital expenditure was US$4,553 million in 2010, a decrease of US$803 million from 2009. Capital expenditure included the Brockman 4 iron ore mine development in Western Australia, the expansion of the Yarwun alumina refinery, the commissioning of the Clermont coal mine and the extension and expansion of the Kestrel coking coal mine.   Operating cash flows, including dividends from equity accounted units, were US$23,530 million, 70 per cent higher than 2009 primarily as a consequence of higher commodity prices.   Since 2008 our GHG emissions intensity has reduced by 3.7 per cent. This is largely a result of the Ningxia aluminium smelter divestment in 2009. The impact of closure or reduced production at older aluminium smelters that had low GHG emitting power sources offset some intensity reductions achieved during 2009.
 
           
 
(IMAGE) More information on p.199
  (IMAGE) More information on p.252   (IMAGE) More information on p.159   (IMAGE) More information on p.34
 
Notes
 
(c)   Amounts include 100 per cent of subsidiaries’ capital expenditures and Rio Tinto’s share
of the capital expenditure of equity accounted units.


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Risk management
Managing risk effectively
 


Rio Tinto recognises that risk is an integral component of its business, and that it is characterised by both threat and opportunity. The Group fosters a risk aware corporate culture in all decision making. Through skilled application of high quality, integrated risk analysis and management, we manage risk in order to enhance opportunities and reduce threats, and so sustain competitive advantage.

     
Risk management overview
   
 
   
The Group is committed to the effective management of risk through proactive, competent risk management. Effective risk management requires quality risk analysis to inform the decisions taken throughout the organisation. The responsibility for identifying and managing risks lies with Rio Tinto’s managers and business leaders. Risk analysis and management is applied to all facets of the business, by management at appropriate levels, following the principles set out in the Group’s Risk policy and standard.

This standard sets out a uniform process that each area within the Group is required to follow in analysing and managing risk. The process reflects global leading practice and contains the minimum requirements to ensure consistency and quality across the Group. By providing an overall methodology and structure for
  the handling of risk within the organisation, the Group seeks to provide the board and senior management with a consistent, Group wide perspective of the key risks. Reports are submitted to the board twice per year and include assessment of the likelihood, and impact should risks materialise along with risk management initiatives.

During the year, a review of the Group’s approach to managing risk resulted in the introduction of a new risk management committee and the appointment of a new head of Group risk. The risk management committee is chaired by the chief executive and reports to the Executive committee.

The Group provides a central organisation to support the risk standard and wider process, see below.
 
   
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Risk factors
Principal risks and uncertainties


 
      


      
Rio Tinto’s business units and functions assess the potential economic and non economic consequences of their respective risks using a predefined framework provided by the Group’s Risk policy and standard. Principal risks and uncertainties are identified when the Risk management committee, business unit or function determines that the potential consequences are of sufficient materiality to be considered significant at a Group level or where the risk triggers a succession of events that in total become material at a Group level. Once identified, each principal risk and uncertainty is reviewed by the relevant internal experts and the Risk management committee.
The following describes all known principal risks and uncertainties that could materially affect Rio Tinto. There may be additional risks unknown to Rio Tinto and other risks, currently believed to be immaterial, which could turn out to be material. These risks, whether they materialise individually or simultaneously, could significantly affect the Group’s business and financial results. The risks outlined below omit detail on how each is managed and mitigated, or how some risks could result in either a positive (upside) or negative (downside) impact. An explanation of the Group’s process for managing these, and all other risks to which it is exposed, is given in the section entitled Risk management on page 24. The principal risks and uncertainties should be considered in connection with any forward looking statements in this document and the cautionary statement on the inside front cover.
     
External
   
 
   
 
 
   
Commodity prices and global demand for the Group’s products are expected to remain uncertain, which could affect the Group’s business.
  Commodity prices and demand for the Group’s products are cyclical and strongly influenced by world economic conditions, particularly with respect to key customers, in the US and Asia (notably China). There is potential volatility in short to medium term commodity prices due to persistent economic imbalances. The Group’s normal policy is to sell its products at prevailing market prices and not to enter into price hedging arrangements. The recent improvement in commodity prices and demand for the Group’s products may not remain as strong, which would have an impact on Group revenues, earnings, cash flows, asset values and growth.
 
   
 
 
   
Continued growth in demand for the Group’s products in China could be affected by future developments in that country.
  The Group has signed agreements with almost 50 per cent of its iron ore customers in Asia for pricing on a quarterly basis. This is a shift away from the previous annual benchmark pricing. Sales are being made to other iron ore customers on the same basis.

If a major economic downturn were to occur in China impacting the demand and price for iron ore or the Group’s other products, or if Chinese customers source such products from elsewhere, the Group’s business, financial condition and prospects could be affected.
 
   
 
 
   
Rio Tinto is exposed to fluctuations in exchange rates that could affect its overall business results.
  The US dollar is the currency in which the great majority of the Group’s sales are determined. It is also the most appropriate currency for holding surplus cash, financing its operations, and presenting its external and internal results. Although many costs are incurred in US dollars, significant costs are influenced by the local currencies of the countries where the Group operates, principally the Australian dollar, Canadian dollar and Euro. The Group’s normal policy is to avoid hedging arrangements relating to changes in foreign exchange rates. Appreciation in the value of these currencies against the US dollar or prolonged periods of exchange rate volatility may adversely affect the Group’s business results.
 
   
 
 
   
Political, legal and commercial changes in the places where the Group operates could affect the Group’s reputation, future development opportunities, and/or the viability of its operations.
  The Group has operations in jurisdictions with varying degrees of political, legal and commercial stability. Commercial instability in some jurisdictions can be influenced by bribery and corruption in their various guises. Political and administrative change, policy reform, and changes in law or government regulation can result in expropriation, or nationalisation. Renegotiation or nullification of existing agreements, leases and permits; changes in fiscal policies (including increased taxes or royalty rates); changes in government ownership of operations; currency restrictions; increased regulation and significantly increased costs or impediments to operation are also possible consequences. Such consequences could have an adverse effect on the profitability, the ability to finance or, in extreme cases, the viability of an operation.
 
   
 
  Political instability and uncertainty or government changes to the fiscal terms covering the Group’s operations may discourage future investments in certain jurisdictions. This may have an adverse impact on the Group’s ability to access new assets, potentially reducing future growth opportunities.
 
   
 
 
   
Community disputes in the countries and territories in which the Group operates could affect the viability of its operations or its reputation.
  Some of the Group’s current and potential operations are located in or near communities that may regard the operation as being detrimental to their environmental, economic or social circumstances. Community expectations are typically complex with the potential for multiple inconsistent stakeholder views that may be difficult to resolve. Stakeholder opinion and community acceptance can be impacted by external events beyond the Group’s control, including events that may occur in related industries or similar operations outside of the Group and events relating to the local, regional or national affairs of the places where the Group operates. Furthermore our operations may be a focus for civil unrest or criminal activity. Community reaction could have an adverse impact on the cost, profitability, and ability to finance or even the viability of an operation. Such events could lead to disputes with national or local governments or with local communities and give rise to reputational damage. If the Group’s operations are delayed or shut down as a result of political and community instability, its revenue growth may be constrained and the long term value of its business could be adversely impacted.
 
   
 
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Risk factors continued
 
      


     
 
 
   
The Group’s land and resource tenure could be disputed resulting in disruption to the operation or development of a resource.
  The Group operates in several countries where title to land and rights in respect of land and resources (including indigenous title) may be unclear and may lead to disputes over resource development. Such disputes can be protracted and costly to resolve, could disrupt or delay relevant mining projects, impede the Group’s ability to develop new mining properties, and may have an adverse effect on the Group’s results of operations or its prospects.
 
   
 
 
   
Changes in the cost and/or interruptions in the supply of energy, water, fuel or other key inputs could adversely affect the economic viability of the Group’s operations.
  The Group’s operations are resource intensive and, as a result, its costs and net earnings may be adversely affected by the availability or cost of energy, water, fuel or other key inputs. If the prices of key inputs rise significantly more than expected, or if the Group experiences interruptions in, or constraints on, its supply of key inputs, the Group’s costs could increase and its results could be adversely affected.
 
   
 
 
   
Strategic
   
 
   
 
 
   
The Group’s business and growth prospects may be negatively affected by reductions in its capital expenditure programme.
  The Group requires substantial capital to invest in greenfield and brownfield projects, and to extend the life and capacity of its existing operations. If significant variations in commodity prices or demand for its products occurs, the Group may reduce its capital expenditure, which may negatively impact the timing of its growth and future prospects.
 
   
 
  With the volatility of the commodity markets, the Group’s ability to benefit from improvements may be constrained by earlier capital expenditure restrictions and the long term value of its business could be adversely impacted.
 
   
 
 
   
The Group’s exploration and development of new projects might be unsuccessful, expenditures may not be fully recovered and depleted ore reserves may not be replaced.
  The Group develops new mining properties and expands its existing operations as a means of generating shareholder value. The Group seeks to identify new orebodies and mining properties through its exploration programme and has also undertaken the development or expansion of other major operations. Exploration is not always successful, moreover there is a high degree of competition for opportunities to develop such orebodies. Certain competitors, have access to significant resources and may be motivated by political or other non economic factors. The Group may be unable to find willing and suitable joint venture partners to share the cost of developing large projects. There is no assurance, therefore, that the Group’s investment in exploration and project development will be recouped, or that depleted ore reserves will be replaced.
 
   
 
 
   
Failure of the Group to make or successfully integrate acquisitions, or to complete divestment agreements, could have an adverse effect on the business and results of operations.
  Business combinations entail a number of risks including the effective integration of acquisitions (including the realisation of synergies), significant one time write-offs or restructuring charges, and unanticipated costs and liabilities. The Group may also be liable for the past acts, omissions or liabilities of companies, businesses or properties that it has acquired, which may be unforeseen or greater than anticipated. In addition, the Group may retain liabilities for divested entities if the buyer fails to honour all commitments.
 
   
 
 
   
Financial
   
 
   
 
 
   
The Group’s reported results could be adversely affected by the impairment of assets and goodwill.
  An asset impairment charge may result from the occurrence of unexpected adverse events that impact the Group’s expected performances. In accordance with IFRS, the Group does not amortise goodwill but rather tests it annually for impairment: such impairments cannot be reversed. Other long lived assets are tested when impairment indicators exist.
 
   
 
  The Group will continue to test goodwill and may, in the future, record additional impairment charges. This could result in the recognition of impairment provisions (which are non cash items) that could be significant and could have an adverse effect on the Group’s reported results.
 
   
 
     


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Operational
   
 
   
 
 
   
Estimates of ore reserves are based on many assumptions and changes in the assumptions could lead to reported ore reserves being restated.
  There are numerous uncertainties inherent in estimating ore reserves including subjective judgments and determinations based on available geological, technical, contract and economic information. Assumptions that are valid at the time of estimation may change significantly when new information becomes available. Changes in the forecast prices of commodities, exchange rates, production costs or recovery rates may result in some reserves ceasing to be economically viable or others in becoming viable. Ultimately this may result in the reserves needing to be restated. Such changes in reserves could also affect depreciation and amortisation rates, asset carrying values, deferred stripping calculations and provisions for close down, restoration and environmental clean up costs.
 
   
 
 
   
Labour disputes could lead to lost production and/or increased costs.
  Some of the Group’s employees, including employees in non managed operations, are represented by labour unions under various collective labour agreements. The Group may not be able satisfactorily to renegotiate agreements when they expire and may face tougher negotiations or higher wage demands. In addition, existing labour agreements may not prevent a strike or work stoppage, which could have an adverse effect on the Group’s earnings, financial condition, and reputation.
 
   
 
 
   
Some of the Group’s technologies are unproven and failures could adversely impact costs and/or productivity.
  The Group has invested in and implemented information systems and operational initiatives including new technologies. Some aspects of these technologies are unproven and the eventual operational outcome or viability cannot be assessed with certainty. The costs, productivity, value in securing business opportunities and other benefits from these initiatives, and the consequent effects on the Group’s future earnings and financial results, may vary from expectations. Failure of the Group’s technology systems to realise the anticipated benefits could result in increased costs, interruptions to supply continuity, failure to realise production or growth plans, or some other adverse effect on operational performance.
 
   
 
 
   
The Group’s operations are vulnerable to natural disasters, operating difficulties, health, safety or environmental incidents and infrastructure constraints, not all of which are covered by insurance, which could have an impact on its productivity and reputation.
  Mining, smelting and refining operations are vulnerable to natural events, including earthquakes, drought, floods, fire, storms and the possible effects of climate change. Operating difficulties could be experienced such as unexpected geological variations that could result in significant ground or containment failure. The Group’s operations involve chemicals and other substances under high temperature and pressure, with the potential for fire, explosion or other loss of control of the process, leading to a release of hazardous materials. This could occur by accident or a breach of operating standards, and could result in a significant incident. Any of these events could affect the Group’s reputation, and the costs and viability of its operations for indeterminate periods.
 
   
 
  The Group has extensive health, safety, environment and community policies and standards in place. Despite these, it remains possible that a health, safety, environment or community incident could occur that may adversely impact the Group’s reputation, earnings or cash flows.
 
   
 
  The Group requires reliable roads, rail networks, ports, power sources and power transmission facilities, water supplies and information technology systems to access and conduct its operations. The availability and cost of infrastructure affects capital and operating costs, and the maintenance of planned levels of production and sales. In particular, the Group transports a large proportion of its products by sea. Limitations, or interruptions in, rail or shipping capacity at any port, including as a result of third parties gaining access to the Group’s integrated infrastructure, could impede the Group’s ability to deliver its products on time. This could have an adverse effect on the Group’s business and results of operations.
 
   
 
  The Group uses an extensive information technology system and infrastructure. A significant failure of major parts of the system or malicious actions could result in significant interruption that could affect the Group’s reputation and operating results.
 
   
 
  The Group’s insurance does not cover every potential risk associated with its operations. Adequate coverage at reasonable rates is not always obtainable. In addition, the Group’s insurance may not fully cover its liability or the consequences of any business interruptions such as weather events, equipment failure or labour dispute. The occurrence of a significant event not fully covered by insurance could have an adverse effect on the Group’s business, results of operations, financial condition and prospects.
 
   
 
 
   
The Group may be exposed to major failures in the supply chain for specialist equipment and materials.
  Rio Tinto operates within a complex supply chain depending on suppliers of raw materials, services, equipment and infrastructure to ensure its mines and process plants can operate, and on providers of logistics to ensure products are delivered. Failure of significant components of this supply chain due to factors such as business failure, or serious operational factors, could have an adverse effect on the Group’s business and results of operations.
 
   
 


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Risk factors continued
 

     
 
 
   
Joint ventures and other strategic partnerships may not be successful and non managed projects and operations may
  The Group participates in several joint venture arrangements and it may enter into further joint ventures. Although the Group has sought to protect its interests, existing and future joint ventures necessarily involve risks. Whether or not the Group holds majority interests or maintains operational control in its joint ventures, its partners may:
not comply with the Group’s standards, which may adversely affect its reputation and the value of such projects and operations.
 
    have economic or business interests or goals that are inconsistent with, or opposed to, those of the Group;
    exercise veto rights to block actions that the Group believes are in its or the joint venture’s best interests;
    take action contrary to the Group’s policies or objectives with respect to its investments; or
    be unable or unwilling to fulfil their obligations under the joint venture or other agreements, such as contributing capital to expansion or maintenance projects.
 
   
 
  In addition, failure of a joint venture partner may result in unanticipated losses to the Group. Where projects and operations are controlled and managed by the Group’s partners, the Group may provide expertise and advice but it has limited control with respect to compliance with its standards and objectives. Improper management or ineffective policies, procedures or controls could adversely affect the value of related non managed projects and operations and, by association, damage the Group’s reputation thereby harming the Group’s other operations and access to new assets.
 
   
 
 
   
Sustainable development
   
 
   
 
 
   
Increased regulation of greenhouse gas emissions could adversely affect the Group’s cost of operations.
  Rio Tinto’s operations are energy intensive and depend heavily on fossil fuels. There is increasing regulation of greenhouse gas emissions, progressive introduction of carbon emissions trading mechanisms and tighter emission reduction targets, in numerous jurisdictions in which the Group operates. These are likely to raise energy and production costs to a material degree over the next few decades. Regulation of greenhouse gas emissions in the jurisdictions of the Group’s major customers and suppliers as well as in relation to international shipping could also have an adverse effect on the demand for the Group’s products.
 
   
 
 
   
The Group depends on the continued services of key personnel.
  The Group’s ability to maintain its competitive position and to implement its business strategy is dependent on the services of key engineering, managerial, financial, commercial, marketing and processing people. Loss or diminution in the services of key employees, particularly as a result of an inability to attract and retain staff, or the Group not maintaining a competitive remuneration structure, could have an adverse effect on the Group’s business, financial condition, results of operations and prospects.
 
   
 
  Competition for experienced people with international engineering, mining, metallurgy and geological expertise is high, due to a small pool of individuals against medium to high demand. This may affect the Group’s ability to retain its existing senior management, marketing and technical personnel and to attract qualified personnel on appropriate terms. Similar competition may be felt by the Group’s key contractors and equipment suppliers that, in turn, could affect the Group’s expansion plans.
 
   
 
 
   
The Group’s costs of close down, restoration, and rehabilitation could be higher than expected due to unforeseen changes in legislation, standards and techniques, or underestimated costs.
  Close down and restoration costs include the dismantling and demolition of infrastructure and the remediation of land disturbed during the life of mining and operations. Estimated costs are provided for over the life of each operation and updated annually but the provisions might prove to be inadequate due to changes in legislation, standards and the emergence of new restoration techniques. Furthermore the expected timing of expenditure could change significantly due to changes in commodity prices that might curtail or extend the life of an operation. Total provisions at 31 December 2010 amounted to US$8,602 million as set out in note 27 to the financial statements. These provisions could prove insufficient compared to the actual cost of restoration, or the cost of remediating or compensating for damage beyond the site boundary. Any underestimated or unidentified close down, restoration and environmental rehabilitation costs could have an adverse effect on the Group’s reputation as well as its asset values, earnings and cash flows.
 
   
 
 
   
Health, safety, environment and other regulations, standards and stakeholder expectations evolve over time and unforeseen changes could have an adverse effect on the Group’s earnings, cash flows and reputation.
  Rio Tinto operates in an industry that is subject to numerous health, safety and environmental laws, regulations and standards as well as community and stakeholder expectations. The Group is subject to extensive governmental regulations in all jurisdictions in which it operates. Operations are subject to general and specific regulations governing mining and processing, land tenure and use, environmental requirements (including site specific environmental licences, permits and statutory authorisations), workplace health and safety, social impacts, trade and export, corporations, competition, access to infrastructure, foreign investment and taxation. Some operations are conducted under specific agreements with respective governments and associated acts of parliament but unilateral variations could diminish or even remove such rights. Furthermore, community and stakeholder expectations change over time. Evolving regulatory standards and stakeholder expectations can result in litigation and/or increased costs, or in extreme cases threaten the viability of an operation. This may impact on the reputation of the Group (including in circumstances where the underlying issue is not material to the Group). All of these matters may have an adverse effect on earnings and cash flows.
 
   
 


28   Rio Tinto 2010 Annual report


Table of Contents

Sustainable development

Performance data
Our sustainable development performance data are reported for calendar years and, unless otherwise stated, represent 100 per cent of the parameter at each managed operation, even though Rio Tinto may have only partial ownership.
Data reported in previous years may be modified if verification processes detect material errors, or if changes are required to ensure comparability over time.
Wherever possible, data for operations acquired prior to 1 October of the reporting period are included. Divested operations are included in data collection processes up until the transfer of management control.
We report in line with the GRI G3 guidelines at Application level A+ and have implemented the International Council on Mining and Metals’ (ICMM) sustainable development framework (www.icmm.com).
Environmental stewardship
We continue to proactively manage issues related to climate change, water, land stewardship, biodiversity, mineral and non mineral waste, air quality and closure.
Our programmes include input from our local communities and subject matter experts, and are supported by our partnerships with BirdLife International, Conservation International, the Eden Project, Earthwatch, Fauna & Flora International and the Royal Botanic Gardens, Kew.
During 2010, the International Union for Conservation of Nature (IUCN) and Rio Tinto entered into a three year formal collaboration agreement to work together on sustainable development efforts, environmental management and delivery of conservation outcomes.
Greenhouse gas emissions
We accept the need for climate change action and recognise the issue as being one of our greatest challenges and opportunities. We support efficient, effective and equitable measures to tackle climate change, which promise a comprehensive, long term response to a globally complex problem. We accept the need for a price on carbon.
We believe that our businesses have a positive future in a world that is working to global carbon constraints and we aim to improve the energy intensity of our operations and new projects.
We are targeting to reduce our total GHG emissions intensity by six per cent between 2008 and 2013. A further four per cent reduction is targeted to give an overall ten per cent reduction by 2015.
Our GHG emissions intensity has reduced by 3.7 per cent between 2008 and 2010, largely as a result of the 2009 divestment of the Ningxia aluminium smelter in China. During 2010, the impact of closure or reduced production at older aluminium smelters that had low emitting power sources offset some of the intensity reductions achieved during 2009. These closures and production decreases are one step towards our longer term strategy of modernisation.

Our total GHG emissions were 43.4 million tonnes of carbon dioxide equivalent (CO2 e) in 2010, 2.3 million tonnes higher than in 2009. This is the result of increased production of a number of commodities and production shifts to operations with higher greenhouse gas emission intensity. Rio Tinto’s direct emissions were 27.6 million tonnes of CO2-e in 2010. A breakdown of our greenhouse gas emissions by product group and country is available on our website.
We operate in an energy intensive sector and we seek to lower the greenhouse gas emissions over the full lifecycle of our products. For example, Rio Tinto Alcan is a leader in the development of energy efficient aluminium smelting technology and a significant proportion of our aluminium smelters are powered with low carbon, hydro or nuclear power sources. The high strength to weight ratio of aluminium can reduce the weight of cars and decrease the amount of fuel used during their operation; it can also be efficiently recycled.
We continue to track greenhouse gas emissions associated with our products along the value chain. In 2010, the three most significant sources of indirect emissions associated with our products were:
  Approximately 4.7 million tonnes of CO2-e associated with third party transport of our products and raw materials.
 
  An estimated 122 million tonnes of CO2-e associated with customers using our coal in electricity generation and steel production.
 
  Approximately 360 million tonnes of CO2-e associated with customers using our iron ore to produce steel. The emissions associated with the use of our coal and iron ore cannot be added, as some customers use both our iron ore and our coal to produce steel.
Due to global demand, coal will remain a significant source of energy for the foreseeable future. We are therefore investing in developing and commercialising carbon capture and storage (CCS) technology. We are a founding member of the Global CCS Institute and we support other collaborative efforts to deploy CCS technology, such as the CO2CRC’s Otway Basin geosequestration project in Australia.
(BAR GRAPH)

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Sustainable development continued

During 2010, climate change legislation and regulation were debated in a number of jurisdictions where we operate. This has the potential to increase our operating costs significantly:
  In Australia new climate change policy has been discussed but not yet enacted. Currently we have both direct and indirect cost exposure as a result of a requirement to purchase certificates as part of the Government’s renewable energy target. All legislated reporting requirements were met in 2010.
 
  In the US, the Environmental Protection Agency (EPA) is drafting regulations that may subject GHG emissions to permitting requirements.
 
  In the EU some of our operations are subject to the second phase of the EU emissions trading scheme. This exposure will increase when the third phase starts in 2013.
We recognise the need to adapt to the physical impacts of climate change. In 2010 Rio Tinto Alcan entered into partnership with Ouranos to develop tools and strategies to further adapt to climate change (www.ouranos.ca).
Energy use
Rio Tinto both uses energy in its operations and produces it. Our smelting and mineral processing operations are energy intensive and depend on hydroelectricity, nuclear power, coal, oil, diesel and gas to keep them running.
This year our energy use increased by 3.2 per cent to 512 petajoules following production increases for several commodities, including titanium dioxide feedstock and iron ore.
Through our coal and uranium sales, we supplied 4,735 petajoules of world energy demand in 2010. Our energy supply was more than eight times our energy use.
To drive improvements in energy efficiency our businesses have set a range of local energy targets that cover nearly three quarters of the Group’s energy use.
We are also working to reduce the energy intensity of our new projects through energy efficient design, the use of alternative energy sources and development of step change technologies. This includes commercialisation of the AP60 cell and other components of AP technology™ which have the potential to significantly reduce the energy required to produce aluminium.
(BAR GRAPH)

Our use of low greenhouse gas emitting hydro, nuclear and other renewable power sources represented 67 per cent of our electricity use in 2010. We have significant hydropower generation facilities in Canada, Scotland, and Norway and are currently developing a hydropower strategy to better manage the social and environmental threats and opportunities associated with our hydropower dams.


30  Rio Tinto 2010 Annual report

 


Table of Contents

 
Aluminium
Transformation, modernisation and expansion
 
   
()
Our high quality bauxite mines and alumina refineries, state of the art technologies, clean and renewable energy assets and low cost aluminium smelters make us a global leader in the aluminium industry.

Jacynthe Côté , chief executive, Rio Tinto Alcan
Aluminium overview

(PIE CHART)

Operating highlights
                 
    2010     2009  
    US$ million     US$ million  
 
           
Revenue
    15,206       12,038  
Operating cash flow
    1,334       549  
Underlying earnings (a)
    773       (560 )
Capital expenditure
    1,328       1,690  
Net operating assets
    38,326       36,340  
 

Strategy
  The second phase of transformation will target incremental EBITDA improvement of US$1 billion by 2014.
 
  Leverage the group’s robust growth pipeline with a priority on modernising and expanding existing Tier 1 assets; lower costs of existing facilities; and progress the development of greenfield options at a pace aligned with market demand.
 
  Be long in bauxite and alumina, providing strong growth potential, particularly in the Asian region.
Key achievements
  Increase of US$1,333 million in underlying earnings from 2009.
 
  Value added aluminium product sales volumes increased to 65 per cent of total sales.
 
  Bauxite production up by nine per cent over 2009 mainly in response to increased production at Weipa in Australia to meet the demands of the growing Chinese market.
 
  Alumina production up by three per cent on 2009 due to improved production at Yarwun in Australia, ramp up at Alumar in Brazil, and restarting idled capacity at Vaudreuil in Canada.
(LINE GRAPH)
  Construction at the Yarwun expansion project has been accelerated and the completed co-generation plant and ship unloader handed over to operations.
 
  ISAL aluminium smelter won Rio Tinto’s top safety award with 4.7 million work hours without a lost time injury as at December 2010.
Key priorities
  Proceed with cost efficiencies, capacity creep and step change improvement through strategic capital investment; includes phase one of the AP60 plant in Canada and the ISAL expansion in Iceland.
 
  Continue steps towards optimising the group’s asset portfolio; progress with Kitimat aluminium smelter modernisation in Canada and Yarwun refinery expansion.
 
  Capitalise on our value added product capabilities and optimise our casting portfolio to serve customers in all key regions.
 
  Prioritise power sources with the lowest carbon footprint and improving energy efficiency.
 
  Create value from AP Technology™ via increased technology sales, faster operational improvements and lower full economic costs on new projects.
Outlook
  Favourable position to leverage strong demand from emerging economies and seize opportunities across the aluminium value chain as the industry continues its recovery.
 
  Alumina pricing mechanisms are developing and as liquidity builds, the group’s strategy of remaining long in bauxite and alumina will allow it to use various pricing alternatives.
 
  As aluminium markets continue to recover, the group is expected to benefit from stable energy sources, less linked to LME pricing than those of other large producers.


(a)   See note 2 and the “Financial information by business unit” section of the 2010 financial statements for a reconciliation of underlying earnings to net earnings.
      


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Strategy
Rio Tinto Alcan’s financial performance will continue to be founded on transformational change and portfolio discipline as a means of reducing its costs and achieving stronger margins. With the integration of former Alcan operations completed and achieved synergies in excess of the stated US$1.1 billion target, the second phase of transformation is targeting incremental EBITDA improvement of US$1 billion by 2014 through cost efficiencies and capacity creep, as well as step change improvement through capital investment.
The group’s portfolio began improving in 2009 with the sale of the Ningxia smelter in China as well as closures at two older facilities, the Beauharnois smelter in Canada and the Anglesey smelter in the UK when its power contract expired. In 2010, the group divested some of its smaller non core businesses, including the Awaso bauxite mine in Ghana and the Brockville specialty alumina plant in Canada.
Executing Tier 1 growth options with a priority on modernising and expanding existing assets will allow Rio Tinto Alcan to continue driving costs down and reduce its carbon footprint. Primary aluminium projects such as the AP60 plant and Kitimat modernisation in Canada and ISAL expansion in Iceland, as well as alumina projects such as the Yarwun expansion in Australia, are expected to further reduce average costs and progressively drive the group’s portfolio down the industry cost curve.
The group uses clean power sources for 72 per cent of the electricity used to produce primary aluminium, including a strong base of renewable, self generated hydropower. This gives its aluminium products a relatively low carbon footprint not only from a production standpoint, but also due to their potential for application towards fuel efficiency improvements and downstream GHG reductions (eg in cars, trucks, trains and aircraft). In addition, aluminium’s combination of excellent thermal, electrical and forming properties can offer more efficient electrical, heating and cooling solutions.
Rio Tinto Alcan’s business strategy is also to be long in bauxite and alumina. The group produces enough bauxite and alumina to supply its own facilities as well as generate value through third party sales. This supports growth and reduces price risk. The group’s alumina position should also allow it to benefit from opportunities, particularly in the Asian region, as pricing structures evolve.
Rio Tinto Alcan is the largest bauxite producer in the industry. It has an interest in three of the four largest bauxite mines in the world and is currently the world’s largest bauxite producer. Rio Tinto Alcan also has projects under way to achieve a leading position in alumina refining, including expansion at the Yarwun facility and ramping up tonnage at both Gove in Australia and Alumar in Brazil.
Performance
Gross sales revenue for Rio Tinto Alcan increased by 26 per cent compared to 2009. This reflects the combination of a robust recovery in end use demand in developed economies and the continued roll-over of inventory financing positions amidst a prolonged period of low interest rates.
In 2010, Rio Tinto Alcan’s contribution to the Group’s underlying earnings was US$773 million, an increase of US$1,333 million from 2009. This was as a result of higher exchange traded aluminium prices with the overall impact of price increasing earnings by US$1,569 million compared to 2009. This was partly
offset by adverse currency movements of US$391 million, mainly from the strengthening of the Canadian and Australian dollars against the US dollar.
The improvement in earnings was also attributable to higher sales of value added aluminium products, smelting capacity brought back on line following curtailments in 2009, cost savings from lower input prices for caustic, coke and pitch, and further operating efficiencies in group smelters and refineries worldwide. This was partly offset by inflation and higher energy costs.
The average aluminium market price in 2010 was US$2,173 per tonne compared to US$1,665 per tonne in 2009. The group’s average realised price for ingot products in 2010 was US$2,388 per tonne compared to US$1,833 in 2009. Rio Tinto Alcan has entered into metal sales hedging transactions to protect the downside risk at some of its high cost smelters. This mandate covers a maximum of 317,000 tonnes (about eight per cent of global production) in 2011 and is expected to cover approximately half this tonnage in 2012.
In 2010, Rio Tinto Alcan’s annual bauxite production was 33.4 million tonnes, up from 30.7 million tonnes in 2009 mainly in response to rising third party demand. The group has a leading position in bauxite mining; strong performance in alumina refining; and whole ownership or participation in 21 smelters with a total annual capacity of four million tonnes of primary aluminium (Rio Tinto’s share). Approximately 80 per cent of this aluminium production is located in the first half of the industry cost curve based on data from CRU, an industry analyst.
Aluminium production stayed relatively flat year over year as production at the Kitimat smelter was reduced due to the closures of potlines 7 and 8 in preparation for the modernisation project, and production at Laterrière in Canada was reduced due to a power outage in July. These were offset by NZAS in New Zealand’s production increasing following a transformer failure in 2008, which impacted 2009, and a gradual return to full capacity at operational UK smelters. Aluminium production records were set at the smelters in Arvida and Grande-Baie in Canada, Sohar in Oman, ISAL in Iceland, Dunkerque in France and Boyne in Australia.
Key achievements
Bauxite production in 2010 was up by nine per cent compared to 2009 due to increased production at Weipa in Australia to meet demands of the growing Chinese market. Alumina production also increased, up by three per cent compared to 2009 due to improved production at Yarwun, restarting idled capacity at Vaudreuil in Canada, efficiencies in work management and process improvements. Production records were set at Yarwun and at Alumar.
Rio Tinto Alcan is accelerating the construction schedule for the Yarwun alumina refinery expansion. This will increase the plant’s capacity to 3.4 million tonnes per year and help move the group’s alumina production further down the industry cost curve. The completed ship unloader and co-generation plant were handed over to operations in 2010, and the latter is already providing tangible environmental benefits. The project has an expected project completion date of August 2012, with first bauxite expected to be processed during the first half of 2012.
In 2010, the group finalised long term energy contracts for a number of its smelters including ISAL in Iceland, Bell Bay and Tomago in Australia, and Alucam in Cameroon. As aluminium


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Aluminium continued
 

prices continue to recover, Rio Tinto Alcan is expected to benefit from stable energy sources that are less linked to pricing on the LME than those of other large producers. Ninety six per cent of the group’s power is secured by self generating facilities or long term contracts, thus ensuring low and predictable costs.
The group is also expanding its hydroelectric capacity in the Saguenay-Lac-Saint-Jean region of Quebec through the Shipshaw turbine project. This initiative remains on budget and on schedule for completion in Q4 2012, and will improve this major component of total installed capacity by adding 225 megawatts to Rio Tinto Alcan’s 2,919 megawatt network.
The ISAL operations won the Rio Tinto Chief Executive’s Safety Award in 2010, which was the first year in which it was eligible to do so. Except for one incident in 2009, ISAL has had zero injuries since 2007, and has completed 4.7 million work hours without a lost time injury.
Rio Tinto Alcan also continued its global commitment to strong community partnerships throughout 2010. In Australia, the Gove mine and refinery received the prestigious Origin Gold Banksia award for their partnership with Dhimurru Aboriginal Corporation to eradicate the Yellow Crazy Ant, a significant threat to the regional biodiversity of North East Arnhem Land. In Canada, the group established Ensemble pour la persévérance scolaire, a five year investment programme to support definitive action to keep young people in school. In Cameroon, Rio Tinto Alcan has played an active role in community projects focused on health care (prevention of HIV, malaria, and oncocercosis) and access to potable water.
Safety
Rio Tinto Alcan employees have integrated the Group safety strategy throughout the business and work diligently towards creating a workplace free of health, safety and environmental (HSE) incidents. Rio Tinto Alcan reduced its all injury frequency rate by over 30 per cent to 0.73, representing a near 50 per cent reduction from 2006 levels. The group experienced no fatalities at its managed sites, however, there were three fatalities at non managed operations.
A key priority has been the reduction of major risks through the implementation of Rio Tinto HSE performance standards and risk management practices. This includes initiatives relating to manual handling, process safety, and improving safety leadership with the rollout of Leading for Improvement Training. By year
(GRAPH)
end, a Caustic safety standard was developed and implemented within the Bauxite & Alumina business unit. At critical sites, process safety management has progressed significantly, with reporting, investigation and analysis of significant potential incidents and completion of corrective actions as a main focus.
Greenhouse gas emissions
Rio Tinto Alcan contributed 62 per cent of Rio Tinto’s total GHG emissions in 2010. Realised and planned reductions also contribute significantly to the Rio Tinto Group’s overall intensity improvements. Rio Tinto Alcan has a strong commitment to climate change, which includes both short term operational objectives and long term adaptation strategies.
In 2010, as recovery from the global financial crisis took place, curtailed production was gradually restarted. This affected the group’s GHG performance level, as did the restart of one potline at the Laterrière smelter in Canada. Energy efficiency improved throughout the operations.
Total greenhouse gas emission intensity at Rio Tinto Alcan improved by 6.3 per cent in 2010 from 2008 baseline performance. This represents 1.8 million tonnes of carbon dioxide equivalent and is attributable to the divestment of a high emissions intensity joint venture smelter in China, the closure of some older operations and increased operational efficiency. Furthermore, expansion and modernisation projects throughout the portfolio, such as those at the Arvida (AP60) and Kitimat sites, will considerably reduce the Group’s carbon footprint and help deliver on greenhouse gas commitments.
Review of operations
During 2010, most value added product (VAP) segment shipments improved considerably compared to 2009, largely due to recovery in the economies of Rio Tinto Alcan’s principal markets. In North America, for example, most VAP segment shipments have been affected by the modest but steady improvement in the US economy. Overall, the group’s sales volumes of VAP products almost reached the same levels as seen in 2008, accounting for 65 per cent of total sales in 2010 as compared with 51 per cent in 2009.
The return in demand gives Rio Tinto Alcan an opportunity to optimise and invest in its VAP casting portfolio. While Kitimat will increase its slab production, it is transferring billet production to other group units in Australia and New Zealand, where the Boyne smelter recorded its highest ever volume VAP. The group is also investing in leading edge billet casting facilities at ISAL to support the European billet market.
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Rio Tinto Alcan also made progress with its growth strategy, focusing on high return production capacity increases and Canadian modernisation projects that leverage low cost, self generated hydropower. The group completed value improvement initiatives at both the Kitimat and AP60 project sites to reduce costs.
The prefeasibility study for the modernisation of the Kitimat smelter is now complete with an improved business case, and the anode pallet storage facility has been built. In March, the group also reached a landmark agreement with the Haisla Nation of British Columbia to secure support and further the Kitimat project’s commitment to strong communities. In December, the Group approved an additional US$300 million investment to further construction and site preparations for the modernised smelter.
At the ISAL facility, a total investment of US$487 million was approved for a modernisation project to boost production capacity by 20 per cent and install a leading edge casting facility to reinforce Rio Tinto Alcan’s VAP position. The group also finalised a long term energy supply agreement with the state utility to allow for an amperage increase at the smelter. The smelter is expected to begin a gradual production increase in Q2 2012. Billet production is expected to begin in 2012 and the group will consolidate expertise and production for slab products from ISAL with existing operations in France and the UK.
Primary aluminium production was negatively impacted from July to September when two electrical transformers failed at Laterrière. The gradual restart of 216 affected pots was completed safely and ahead of schedule. Production losses are estimated at about 24,000 tonnes and the cost of this disruption has been mitigated by insurance coverage.
The group also experienced a temporary hydropower reduction in Quebec due to exceptionally low precipitation levels in the Saguenay–Lac-Saint-Jean region. This led to the signing of a one year power supply agreement with the provincial utility. The full year impact on EBITDA was approximately US$117 million.
Rio Tinto Alcan’s technological capabilities continue to create value from sales, faster operational improvements (eg production capacity creep), and lower full economic costs on new projects. Phase one of the AP60 smelter project received final approval to proceed in December 2010 with an additional investment commitment of US$758 million. Construction of the electrical substation is complete and site preparations for potrooms and busbar corridors have begun. The facility will be equipped with 38 AP60 reduction cells with metal output per pot at the plant reaching levels 40 per cent higher than at existing smelters. Phase one of the plant will produce 60,000 tonnes of aluminium per year. First hot metal is expected in 2013 and the plant will be the platform for commercial development of AP60 technology.
Rio Tinto Alcan is also recognised as a world leader in bauxite residue management and is often called upon to share its expertise. Its goal is to store bauxite waste in its most solid form possible and, in many cases, recover the liquids used so that it can recycle them in our refining operations. The group works closely with regulatory authorities in host communities to ensure that it complies with the highest HSE standards, and invests regularly to maintain the integrity and security of these sites.
Outlook
Rio Tinto Alcan is better positioned than ever to tackle the challenges of the future and the long term fundamentals of its industry remain intact, providing for a confident outlook. The per capita rate of aluminium consumption is above 20 kilograms per year in developed countries, and the rate gap between developed countries and emerging economies such as India (one kilogram), Brazil and Indonesia (five kilograms) as well as China (12 kilograms) is expected to close over the long term.
The group’s financial performance will continue to be founded on transformational change, reducing its cost structure, and achieving stronger margins. Its next phase of transformation is targeting significant EBITDA margin improvements with the objective of achieving margins around 40 per cent.
Rio Tinto Alcan’s comprehensive, proprietary AP Technology™ suite makes it a partner of choice for project development. The group possesses one of the strongest growth pipelines in the industry, with smelter projects in various stages of development. These include brownfield expansions at Kitimat and ISAL as well as the potential for expansions at Sohar in Oman, Alucam in Cameroon, Alma in Canada and two subsequent expansion phases of the AP60 plant. Greenfield opportunities include an additional smelter in Cameroon, a joint venture smelter in Malaysia, and an aluminium smelter in Paraguay. In Guinea, the group has a basic agreement which sets forth a framework for a joint venture greenfield alumina refinery.
As a highly integrated producer, the group also aims to be long in bauxite and alumina. This provides Rio Tinto Alcan with a robust internal supply chain and additional value options. Alumina pricing mechanisms are expected to continue evolving. Rio Tinto Alcan believes that there is insufficient liquidity to support a spot index at present and a material proportion of alumina supply is locked up under medium to long term contracts.
As markets continue their recovery, the aluminium industry cost curve is expected to steepen further with cost pressures on the top end. This is expected to be driven by upward pressure on energy prices, appreciation of the Chinese currency, China’s reliance on imported bauxite, potential gradual increased alumina price, and the eventual impact of carbon pricing mechanisms. Rio Tinto Alcan remains well positioned to face these expected pressures on input costs, as key drivers such as access to energy, raw materials and currency drive up costs for producers in China.


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Copper
Resource, optimise, grow
 
   
(PHOTO OF ANDREW HARDING)
We believe Rio Tinto’s Copper group is uniquely positioned to supply growing global demand for
copper, with a diverse, balanced asset base and
industry leading technology and innovation that
allows the Copper group to optimise its resources
and grow.

Andrew Harding, chief executive, Copper
Copper overview


(PIE CHART)
Operating highlights
                 
    2010     2009  
    US$ million     US$ million  
 
Revenue
    7,782       6,206  
 
               
Operating cash flow
    4,048       2,223  
 
               
Underlying earnings (a)
    2,534       1,878  
 
               
Capital expenditure
    958       553  
 
               
Net operating assets
    6,663       5,187  
 
Strategy
  Deliver shareholder value with a material increase in production in the medium term.
 
  Optimise our operating assets by delivering meaningful improvements in safety and productivity, championing various technologies and remaining a leader in sustainable development.
 
  Partner with local governments and communities to contribute to sustainable development.
 
  Develop strong leadership and diverse, high quality talent needed to deliver growth.
Key achievements
  Completed Northparkes E48 block cave project.
 
  Began process of updating environmental permits at Kennecott Utah Copper’s Bingham Canyon copper mine and extending its life to 2028 while maintaining additional long term options.
 
  Launched construction of US$340 million Molybdenum Autoclave Process at Kennecott Utah Copper.
 
  Progressed a number of underground projects at Grasberg, namely the Grasberg Block Cave and DMLZ (Deep Mill Level Zone) projects.
 
  Continued to develop Oyu Tolgoi, one of the most promising
(BAR GRAPH)
    undeveloped copper-gold deposits in the world.
 
  Became the development and operating manager of Oyu Tolgoi and established a clear pathway to 49 per cent ownership in Ivanhoe Mines Limited.
 
  Began construction of the Eagle nickel-copper project, which is expected to begin production in late 2013.
 
  Obtained tenure over Sulawesi nickel mineralisation.
 
  Secured land contracts to advance drilling at the La Granja project.
Key priorities
  Continue to improve safety performance with an emphasis on process safety and underground safety.
 
  Leverage industry leading technology and innovation to drive value-generating growth in every operation and shorten development for greenfield projects.
 
  Proactively advance application of key technologies that will drive value in Rio Tinto’s copper assets.
 
  Manage and provide support to the Oyu Tolgoi copper-gold project, with a focus on safety, resourcing and sustainable development.
 
  Keep the growth pipeline full of potential projects and opportunities.
 
  Ensure high quality resources are in place to deliver growth.
Outlook
  Solid fundamentals in the near to medium term.
 
  Growth in emerging economies, led by China and India, will drive increasing demand.
 
  Potential for supply side challenges linked to increased sovereign risk, higher operating costs, increasing depths, decreasing grades and project disruption.
 
  The Copper group’s asset base is resilient to volatile prices and has opportunities for development, while its growth pipeline is world class.

     
(a)  See note 2 and the “Financial information by business unit” section of the 2010 financial statements for a reconciliation of underlying earnings to net earnings.
 

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Strategy
The Copper group’s strategy is to deliver shareholder value with a material increase in production in the medium term. The company believes the copper price will remain above historical averages, with some volatility, driven by continued strong demand in China and potential supply side challenges.
Using technological innovation, Rio Tinto’s Copper group is optimising its large, long life, cost competitive assets to safely and efficiently gain access to deposits at lower depths.
The growth pipeline is full of promising potential projects, which the group will develop by leveraging Rio Tinto’s project skills and in accordance with Rio Tinto’s leading standards of collaboration with local governments and communities. The group is focused on developing the people resources needed to deliver its ambitious growth agenda.
Rio Tinto is a leader in block cave mining, and many of our growth projects located at depth depend on this mining method. While block cave mining is capital intensive and requires lengthy development times, technologies being pioneered by the company have the potential to deliver meaningful competitive advantage.
Performance
Sales revenue of the Copper group was US$7,782 million in 2010, US$1,576 higher than in 2009 reflecting higher prices as a result of increasing global demand.
Underlying earnings were US$656 million higher than 2009, attributable to higher metal prices. Refined copper production was down five per cent. Refined gold production was up 24 per cent, and refined silver up 17 per cent reflecting the processing of high grade precious metals contained in concentrates produced in late 2009.
The improvement in prices was partially offset by lower sales volumes and higher unit cash costs in line with reduced production from lower grades.
The average price of copper in 2010 was US$3.40 per pound compared to US$2.32 per pound in 2009.
Key achievements
During 2010, the Copper group made significant and important progress on a number of fronts.
The Kennecott Utah Copper operation is pursuing the Cornerstone project, which is expected to extend the life of its Bingham Canyon mine to 2028 while maintaining additional long term options. Kennecott Utah Copper is also moving forward with construction of a new Molybdenum Autoclave Process facility that can improve efficiency, metal recovery and greenhouse gas emissions.
Northparkes received approval to proceed with the “Step Change” pre-feasibility project, which has the potential to increase production three fold and further reduce costs.
A feasibility study for the Deep Mill Level Zone at Grasberg was completed.
The Oyu Tolgoi project, one of the most promising undeveloped copper-gold deposits in the world, continued to move forward.
Construction began at the Eagle project, which will produce an average of 17,300 tonnes of nickel and 13,200 tonnes of copper metal per year, beginning in 2013. In addition, tenure was granted over the southern mineralisation at our Sulawesi nickel project in Indonesia.
In 2010, Rio Tinto secured land access by signing 27 necessary land contracts essential to advancing the La Granja project in Peru.
Safety
The Copper group had no fatalities at its managed operations in 2010. However, a fatality occurred at Escondida, a non managed site, in the process area.
The Copper group is committed to creating an injury free workplace. In 2010, the all injury frequency rate was 0.57, versus 0.67 in 2009.
During 2010, the Kennecott Utah Copper workforce worked more than 2.7 million hours without a lost time incident. The operation has moved forward with successful initiatives to implement on-site Emergency Response teams and help employees manage their personal health. During 2010, Kennecott received a total of 13 awards from the Utah Safety Council for its safety performance.
Northparkes is working to improve safety by understanding and addressing fatigue in the workplace, with stage two of a trial currently under way. In addition, Northparkes is also working to manage low probability, high consequence risks. Into 2011 Northparkes will be focusing safety efforts on further developing and setting underground safety standards and implementing the site process safety plan.
Rio Tinto Copper Projects has had zero fatalities for the past two consecutive years and worked without a lost time incident in 2010. The La Granja project worked without a medical treatment case for 18 consecutive months. For the second year in a row, Resolution Copper received the Sentinels of Safety Award from the US Department of Labor’s Mine Safety and Health Administration and the National Mining Association, for excellence in safety. This award is the most recognised and longest standing award given for occupational safety.
In 2011, the Copper group will focus on process safety and underground safety, with the goal of reducing injuries to zero.
Greenhouse gas emissions
The Copper group is committed to ongoing improvements in energy management and efficiency. In 2010 the Copper group’s total greenhouse gas emissions were 3.1 million tonnes of carbon dioxide equivalent, about seven per cent of the Rio Tinto total. Since 2008 the Copper group has reduced the GHG emissions intensity of its copper cathode production by 6.3 per cent.
Kennecott Utah Copper accounts for the majority (61 per cent) of the Copper group’s greenhouse gas emissions. Key programmes to improve performance at Kennecott Utah Copper have included energy management and fuel programmes to improve efficiency and the commissioning of a six megawatt combined heat and power
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Copper continued
 

facility. The Copper group anticipates continued progress in 2011 as a result of planned implementation of additional efficiency and technology improvements.
Review of operations
Kennecott Utah Copper (Rio Tinto: 100 per cent)
Kennecott Utah Copper, based in Salt Lake City, supplies more than ten per cent of the US’s refined copper. It also produces gold, silver, molybdenum and sulphuric acid as by-products. The planned maintenance shutdown at the smelter was completed safely, on time and on budget. In 2010 Kennecott Utah Copper produced 269 thousand tonnes of refined copper and 596 thousand ounces of refined gold. Kennecott Utah Copper is also commencing studies associated with the potential development of an underground copper skarn deposit to operate in parallel with the open pit.
Escondida (Rio Tinto: 30 per cent)
Operated by BHP Billiton, Escondida is the world’s largest copper producer. Located in Chile’s Atacama Desert, it represents eight per cent of global production. Escondida produced 1,011 thousand tonnes of mined copper in 2010. Approval of three capital projects for execution will extend the sulphide leach operation, provide access to higher grade material and add grinding capacity to increase mill throughput.
Grasberg (the joint venture gives Rio Tinto a 40 per cent share of production above specified levels until 2021 and 40 per cent of all production after 2021)
Grasberg is owned and operated by PT Freeport Indonesia, a subsidiary of US based Freeport-McMoRan Copper & Gold Inc. It is one of the world’s largest copper mines and in the lowest cost quartile of copper producers. In 2010, Rio Tinto’s share of production from Grasberg was 51 thousand tonnes of mined copper and 183 thousand ounces of mined gold.
Palabora (Rio Tinto: 57.7 per cent)
Palabora Mining Company is a listed South African company (JSE) based in Limpopo Province. Palabora produced 58 thousand tonnes of refined copper in 2010, supplying most of South Africa’s copper needs and exporting the balance.
Northparkes (Rio Tinto: 80 per cent)
Based in New South Wales, Australia, Northparkes is a joint venture with the Sumitomo Group (20 per cent). Northparkes produced 39 thousand tonnes of mined copper and 65 thousand ounces of mined gold in 2010.
(BAR GRAPH)
Rio Tinto’s large, long life orebodies produce significant amounts of copper, at among the lowest costs in the industry, with meaningful opportunities for development. The group is optimising its operations by focusing on safety and by using technological innovation to improve recoveries, extend the life of its mines, protect the environment, gain efficiencies and deliver valuable growth.
Kennecott Utah Copper has submitted permits to move forward with the Cornerstone project, which is expected to create access to a significant quantity of mineralised material and extend the life of its Bingham Canyon mine to 2028 while maintaining additional long term options. Kennecott Utah Copper is also developing the Molybdenum Autoclave Process (MAP), an alternative that will replace third party roasting. Commissioning of the facility is planned to begin in late 2012.
Northparkes’ E48 block cave project has increased mineralised material tonnes and is expected to extend the mine’s life to 2023. By the end of 2012, Northparkes will begin testing a continuous mechanical rock excavation system. This breakthrough technology improves the speed and development of underground operations and allows recovery of valuable resources from increasingly difficult deposits.
Palabora Mining Company is evaluating expansion alternatives to extend the copper mine beyond the current profile. These options include growth of Lift I through an area known as the western extension and a second lift below current mining activities.
In addition, the company continues to monitor security at Grasberg following several shooting incidents from mid 2009 to January 2010. The last reported incident was on 24 January 2010, which resulted in a number of injuries. There were no fatalities in 2010. The Indonesian Government has responded with additional security forces and Grasberg has taken precautionary measures. Mining and milling activities have continued uninterrupted.
In September, a third party train derailment destroyed the rail line linking Palabora operations to key ports. Fortunately, there were no injuries. The event did not have a material impact on the production, transportation and sale of copper and copper rod to customers; however it did affect magnetite sales.
At each of its operations, the Copper group is committed to sustainable development and community partnerships.
In 2010, Kennecott received the Utah Division of Oil Gas and Mining (DOGM) Earth Day Award for the restoration of its historic Magna Concentrator. This award recognises industry leaders that voluntarily exceed regulatory requirements to protect and improve the environment.
In June 2010, Palabora Mining Company entered into a broad based agreement with its new partners. Under the agreement, the company will effectively sell 26 per cent of its operations and assets to a newly incorporated subsidiary owned by employees, the community and a consortium. The agreement is consistent with the country’s Black Economic Empowerment Act, which requires mines in South Africa to be at least 15 per cent owned by historically disadvantaged South Africans. This requirement will increase to 26 per cent by 2014.


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Development projects
The Copper group is pursuing a strong pipeline of projects and has a first class growth profile. In developing new projects, the group works to proactively manage risk and create a solid, sustainable operating environment.
Oyu Tolgoi (Rio Tinto: 42.1 per cent interest in Ivanhoe Mines Limited)
When Oyu Tolgoi, in Mongolia’s South Gobi Desert, reaches full production in 2018, it is expected to be a top ten copper producer and one of the world’s biggest gold producers, with first quartile production costs.
In late 2010 Rio Tinto secured the right to increase its ownership in Ivanhoe Mines to 49 per cent by 18 January 2012. Ivanhoe holds a 66 per cent interest in Oyu Tolgoi LLC. Rio Tinto has become the development and operating manager of Oyu Tolgoi and has agreed to provide a comprehensive financial package to Ivanhoe to help secure the development of the project.
The transition of management of Oyu Tolgoi to Rio Tinto has officially started, with a vision to safely deliver on schedule and on budget, to be firmly aligned with Rio Tinto’s strategy, values and standards for excellence, and fully deliver on its commitment to employ approximately 90 per cent of the project’s workforce from Mongolia – representing around 3,000 to 4,000 direct jobs, including contractors.
Resolution Copper (Rio Tinto: 55 per cent)
Resolution Copper, in Arizona, US hosts what is the world’s third largest undeveloped copper resource. The first production is expected in 2020. The site is in the midst of a pre-feasibility study and indications of this work are that the operation would likely be capable of producing 600,000 tonnes of copper per year. In 2010, Resolution Copper advanced development of a new exploration shaft, and provided more than one billion gallons of treated water from historic mine workings to farmers to irrigate their crops.
La Granja (Rio Tinto: 100 per cent)
Based on exploration drilling, La Granja – in Peru’s Cajamarca Region – is the world’s ninth largest undeveloped copper resource. In 2010 evaluation work entered a divergent phase to assess the potential of new geological discoveries and to identify higher value, lower risk options for development. An optimal business case is still being developed. However, the project has a clear direction for development utilising conventional technologies which has yet to incorporate a recently discovered higher grade zone of mineralisation. Drilling will continue in 2011 to confirm the extent of the new mineralisation.
Kennecott Eagle Minerals (Rio Tinto: 100 per cent)
Construction of the US$469 million Eagle nickel and copper mine in Michigan, US began in 2010, with first production expected in late 2013. The mine is expected to produce on average 17,300 and 13,200 tonnes per year of nickel and copper metal, respectively, over six years. High quality sulphide nickel concentrates will increasingly be in short supply, and Eagle is one of the most attractive greenfield projects in the nickel industry pipeline. Eagle is located in a prospective region where Rio Tinto has significant land holdings and mineral rights.
Sulawesi (Rio Tinto: 80 per cent)
Sulawesi in Indonesia is one of the world’s largest undeveloped nickel opportunities with significant mineralised material. Having received the first licence under Indonesia’s new mineral legislation, tenure for the project has been secured and Rio Tinto is reviewing development options. On 30 November 2010 Rio Tinto entered into an earn-in agreement with Sherritt International Corporation. Sherritt must complete two phases of work including a feasibility study and spend US$110 million on the project to earn a controlling 57.5 per cent equity interest in the holding company that owns the Sulawesi project. Rio Tinto will retain the remaining 42.5 per cent for a net economic interest of 34 per cent.
Pebble (Rio Tinto: 19.8 per cent interest in Northern Dynasty Minerals)
The Pebble project in Alaska, US is one of the world’s most significant undeveloped copper-gold-molybdenum deposits. Rio Tinto has a 19.8 per cent equity holding in Northern Dynasty Minerals, which owns a 50 per cent share in the Pebble joint venture.
Bougainville Copper Limited (Rio Tinto: 53.8 per cent)
Access to the site in Papua New Guinea remains restricted; however the company continues to progress plans for exploration and mining and is committed to working closely with the country’s leaders and local landowners.
Outlook
Global electrification and growth in China and India, along with a greater focus on renewable sources of energy, should drive continued demand for copper, while there may also be increased supply side challenges.
The grade profile of the Copper group decreased in 2010 compared to 2009. While mine plans are continually optimised, ore grades are impacted by the inherent constraints that face deeper, more mature mines. An anticipated decline in grade in 2011 is expected to see a rebound in 2012.
Using industry leading technology and innovation, the Copper group is expanding and extending the life of its properties with brownfield development, and pursuing a strong pipeline of greenfield projects to create a growth profile.
Rio Tinto’s focus on sustainable development allows it to create stable operating platforms that take into consideration the long term needs of the surrounding environment and the community. As a result, the company can manage risk effectively, reduce environmental impacts, operate efficiently, and attract and retain high calibre employees.
These factors, combined with strong technological capabilities, help differentiate Rio Tinto’s Copper group from its competitors and contribute to the goal of being the undisputed sector leader in creating value for its shareholders.


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Diamonds & Minerals
Differentiation in the marketplace
 
(PHOTO OF HARRY KENYON-SLANEY)
The Diamonds & Minerals group is well positioned to benefit from late cycle demand growth in mature and emerging markets. Our businesses occupy strong positions in their respective sectors, combining high quality assets with technical expertise and a robust understanding of our markets and customers.

Harry Kenyon-Slaney, chief executive, Diamonds & Minerals
Diamonds & Minerals overview
(PIE CHART)
Operating highlights
                 
    2010     2009  
    US$ million     US$ million  
 
Revenue
    3,035       2,618  
 
               
Operating cash flow
    510       528  
 
               
Underlying earnings (a)
    328       800  
 
               
Capital expenditure
    300       519  
 
               
Net operating assets
    4,580       4,612  
 
Strategy
  To maximise shareholder value by contributing material earnings to Rio Tinto and delivering better than comparable industry returns.
 
  To benefit from increasing demand for Diamonds & Minerals’ products by improving the efficiency of the group’s existing assets, building the growth projects in its pipeline and growing through value accretive acquisitions in existing and new sectors.
 
  To share best practices in safety and community engagement in order to maintain employer and developer of choice status across the six continents that constitute our operations base.
Key achievements
  Lowest all injury frequency rate among Rio Tinto product groups.
 
  Commenced underground ore production at the Diavik diamond mine.
 
  Gained approval and funding to complete the Argyle diamond mine underground project in Australia.
 
  Launched a pre-feasibility study for the Bunder diamond project, India.
 
  Delivered flexibility and efficiency improvements through a new labour agreement at Rio Tinto Minerals’ (RTM) Boron Operations in California.
 
  Received a binding offer in early 2011 from Imerys to acquire Rio Tinto’s talc business for an enterprise value of US$340 million.
(BAR GRAPH)
  Expanded deposit boundaries and identified additional sodium borate mineralisation at Jadar, a lithium and borates development project in Serbia.
 
  Rio Tinto Iron & Titanium (RTIT) increased titanium dioxide production by 21 per cent compared to 2009 in response to improved market conditions.
 
  Achieved the first full year of production of ilmenite ore at QIT Madagascar Minerals (QMM).
 
  Progressed construction of the tailings treatment plant at Richards Bay Minerals (RBM) ahead of start up in early 2011.
Key priorities
  Continue to strive for zero harm to people across all operations.
 
  Deliver material earnings and cash flow to Rio Tinto, and generate better than comparable industry returns.
 
  Differentiate Rio Tinto from other suppliers in Diamonds & Minerals’ markets by providing a reliable supply of high quality products, technical expertise and marketing support programmes.
 
  Ramp up to full production at QMM.
 
  Progress development projects to plan.
 
  Achieve incremental expansions at Rio Tinto Fer et Titane (RTFT) and Boron through efficiency and technology improvements.
 
  Identify and execute opportunities for inorganic growth.
Outlook
  Following recovery in 2010, the outlook for the product group’s markets is favourable, driven primarily by increased demand from emerging markets.
 
  The medium to long term fundamentals for the diamond industry are positive.
 
  Demand growth offers opportunities across titanium dioxide and borates.

   
(a)  See note 2 and the “Financial information by business unit” section of the 2010 financial statements for a reconciliation of underlying earnings to net earnings.


50   Rio Tinto 2010 Annual report


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Strategy
The Diamonds & Minerals group’s core purpose is to maximise shareholder value by safely and efficiently mining, processing and marketing diamonds and minerals. The group seeks to differentiate Rio Tinto from other suppliers in its markets by providing a reliable supply of high quality products, technical expertise and marketing support programmes. Many of its businesses operate in remote and environmentally sensitive locations, where we have focused on developing leading community relations and sustainable development practices to become a development partner of choice.
Rio Tinto believes that similar industry dynamics to those that drove the growth in iron ore, copper and coal demand are forming in a number of mineral sectors. The group’s strategy aims to position its businesses to make the most of these changing market fundamentals and will be delivered along three principal pathways:
  Progressing underlying business performance through operational and commercial improvement.
 
  Maintaining and expanding capacity through investment in the group’s existing businesses, for example the Argyle Underground project and incremental capacity expansions at Boron and RTFT.
 
  Further growing the business through value accretive acquisitions in existing and new sectors.
Rio Tinto Diamonds’ strategy is to be the preferred global supplier of natural rough diamonds and to continue to operate, manage and develop world class diamond resources safely, efficiently and to the highest possible environmental standards.
RTM’s strategy is to be the undisputed leader in value creation within the borate sector. RTM seeks to leverage superior product quality, reliability of supply and technical support to capture profitable growth in promising sectors and regions. At its operations, RTM will focus on increasing capacity while achieving world class safety performance and improving its position on the industry cost curve.
RTIT’s strategy is focused on capturing profitable growth in titanium dioxide feedstock markets and maximising the value from its industry leading portfolio of resources, processing facilities and co-product capabilities. RTIT aims to grow titanium dioxide feedstock production to meet increasing demand, while maximising co-product contribution. RTIT will also dynamically drive cost efficiency to sustain or improve its position on the industry cost curve.
Performance
In 2010 the Diamonds & Minerals group’s markets substantially recovered from the financial turmoil of late 2008 and 2009. Sustained demand from emerging markets largely offset the slower recovery from the established markets of the US and Europe. This has been reflected in higher prices and increased sales volumes, leading to a 16 per cent increase in revenues.
The product group continued to focus on improved operational performance. Rio Tinto’s share of diamond production reached 13.8 million carats, with underground production commencing at Diavik during the year. Strong demand growth in Asia for borates offset delayed recovery in mature markets, driving borate production increases of 18 per cent compared to 2009. Titanium dioxide feedstock production increased by 21 per cent in response to improved market conditions, while progress continues to be made at the QMM ilmenite mine in Madagascar.
Sales revenue of the Diamonds & Minerals group was US$3,035 million in 2010, US$417 million higher than in 2009, reflecting higher prices and sales volumes in response to improved economic conditions. Adjusting for the one-off US$797 million gain on the sale of potash assets in 2009, 2010 underlying earnings of US$328 million were US$325 million higher than 2009, reflecting revenue growth and tax benefits largely associated with a one-off charitable donation of land.
Improved rough diamond prices and sales volumes were reflected in a 52 per cent improvement in Rio Tinto Diamonds’ sales revenue in 2010 compared with 2009.
RTM’s borates and talc businesses secured additional price increases as markets recovered and met an aggressive target to increase EBITDA by 12 per cent from a 2009 baseline.
In December 2009, a Broad Based Black Economic Empowerment (BBBEE) restructuring was completed at RBM which reduced Rio Tinto’s equity share in the business from 50 per cent to 37 per cent. Despite this, RTIT’s revenue increased by four per cent, reflecting stronger demand for titanium dioxide feedstock and increased prices for its metallic products.
An impairment charge of US$115 million after tax was recognised on the diamonds portfolio assets to reduce their carrying value to an estimated recoverable amount. This is not included in underlying earnings.
Key achievements
Diamonds
The first ore was produced from the Diavik underground mine in Canada in March 2010. Underground operations will steadily increase and the remaining open pits are expected to be depleted by 2012.
In September 2010, Rio Tinto approved the investment of US$803 million to complete the Argyle underground project in Australia. Following a transition from the current open pit operation, the mine is expected to be fully operational in 2013. The project is expected to extend the life of the mine until at least 2019.
A pre-feasibility study of the Bunder project in Madhya Pradesh, India commenced in July 2010 and in October 2010, the Government of Madhya Pradesh signed a State Support Agreement with Rio Tinto for the project. These are critical milestones in the ongoing development of the mine, which will be the first hard rock diamond mine in India.
Minerals
Demand recovery for borates across all market sectors – particularly in Asia – led to an 18 per cent increase in borate production compared with 2009. Talc demand recovery was driven primarily by the polymers sector and production levels increased by 13 per cent.
Boron forged a new labour agreement that lays the groundwork for improved work practices and productivity, enhancing the business’s competitive position through the life of the operation.
RTM upgraded its distribution and packaging facility in Malaysia, commissioned a new talc beneficiation plant in Australia and announced plans to open an Asian Technology Center in 2011 to create competitive advantage in the business’s most promising growth region.
In February 2011, Rio Tinto received a binding offer from Imerys to acquire its talc business for an enterprise value of US$340 million. A period of exclusivity with Imerys has been agreed, and Rio Tinto will respond to this binding offer following consultation with the relevant European works councils.


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Diamonds & Minerals continued
 

Production of titanium dioxide feedstock increased by 21 per cent compared with 2009 in response to improved market conditions. RTIT reacted quickly to stronger demand by returning to full output following capacity reductions made in response to the global financial crisis.
QMM completed its first full year in operation following the first shipment of ilmenite ore in mid 2009, and the final product is being well received by the market. QMM has experienced difficult mining conditions since commissioning, but production is increasing as technical issues are addressed. The implementation of dry mining in 2011 is expected to double throughput by year end. Further options to increase throughput are being evaluated.
Construction of the tailings treatment plant at RBM progressed in 2010, under budget and on schedule. The project will extract zircon, rutile and ilmenite from tailings, from early 2011.
Safety
Safety improvement and awareness continued to be a major focus of all operations. Initiatives included the piloting of the Site Safety Acceleration Programme at RBM and the creation of the Diamonds & Minerals collaborative forum to drive benchmarking and share best practice. In 2010 the product group’s all injury frequency rate (AIFR) was 0.51 compared to 0.71 in 2009.
All diamond sites achieved exceptional safety performances in 2010 with their AIFR improving to 0.36 from 0.65 in 2009. In 2010 the Diavik mine won the Canadian industry’s most prestigious safety award — the national John T Ryan safety trophy for its safety performance.
(BAR GRAPH)
(BAR GRAPH)
RTM reduced AIFR by 24 per cent to 0.65 in 2010. RTM’s Houston Operations were recognised for safety leadership through Rio Tinto’s Chief Executive Safety Award, and Rio Tinto’s US operations were recognised by the Mine Safety and Health Administration as among the safest in the country.
All RTIT operations improved their safety performance in 2010, with the total AIFR improving to 0.52. QMM achieved one of the group’s lowest AIFRs, at 0.20, with a largely new workforce.
Greenhouse gas emissions
All diamond sites maintained or reduced their greenhouse gas emissions in 2010 compared to 2009 and are working on a number of initiatives to ensure continuous improvements are in place. A key focus is reducing fuel consumption and investigating alternative power options.
Across RTIT’s operations, total greenhouse gas emission intensity decreased by nine per cent, reflecting increased operating efficiencies achieved as production levels increased. Engineering work on the electricity co-generation project at RBM is continuing and will contribute to future reductions in emissions by generating electricity from waste gas.
RTM’s global operations continued efforts to reduce greenhouse gas emissions, and set new targets to lower them by two per cent per tonne of product from 2008 levels by 2013. Key initiatives include improving energy efficiency in processing plants, harvesting reclamation ponds and in-pit dumping of overburden.
Review of operations
Rio Tinto Diamonds
Argyle (Rio Tinto: 100 per cent)
The Diamonds group owns and operates the Argyle diamond mine in the east Kimberley region of Western Australia. Argyle continued to operate its surface mine while undertaking minimal construction of an underground block cave mine below the existing open pit in the first half of 2010.
Diamond production in 2010 was 9.8 million carats, seven per cent lower than 2009, reflecting the fact that the open pit mine is in the final stages of production with lower ore grades, prior to an underground mine accessing higher grade ore.
Diavik (Rio Tinto: 60 per cent)
The Diamonds group operates the Diavik diamond mine, located approximately 300km north east of Yellowknife in the Northwest Territories, Canada. It is an unincorporated joint venture between Rio Tinto and Harry Winston Diamond Corporation.
The Diavik mine currently comprises three diamond bearing kimberlite pipes that are being mined using open pit and underground mining methods. The first underground mine production occurred in March 2010 and will steadily increase. The remaining open pits are expected to be depleted by 2012. The underground operation will extend the life of the Diavik mine until 2022. A fourth pipe, the A21 pipe, is being reviewed to determine its viability.
Diamond production in 2010 was 3.9 million carats (Rio Tinto share) compared with 2009 production of 3.3 million carats, reflecting a significant increase in ore processed.
Murowa (Rio Tinto: 77.8 per cent)
The Murowa mine has been operating as a small open pit since 2004 and is owned by Rio Tinto (77.8 per cent) and Riozim


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Limited (22.2 per cent), an independent Zimbabwean listed entity. Rio Tinto’s share of production in 2010 of 139,000 carats was above the 97,000 carats in 2009 as a result of a modest capacity expansion in the process plant. Murowa is considering expanding the existing open pit to increase production and the previous feasibility study for this expansion is currently being reviewed.
In 2010 Murowa Diamonds received the Zimbabwe National Chamber of Commerce award for the Best Corporate Social Responsibility Programs.
Rio Tinto Minerals (Rio Tinto: 100 per cent)
The business comprises borates and talc mines, refineries, and shipping and packing facilities on five continents that operate under the Rio Tinto Minerals banner. Approximately 815,000 product tonnes of refined borates are produced at Boron Operations, the principal borate mining and refining operation in California’s Mojave Desert. RTM also operates talc mines – including the world’s largest, in southern France – and processing facilities in Austria, Australia, Belgium, Canada, France, Italy, Japan, Mexico, Spain and the US.
In 2010 total borates production rose by 18 per cent to 500,000 tonnes of boric oxide, on the back of strong recovery in Asian demand. Total talc production increased by 13 per cent to one million tonnes in 2010, with stronger sales in the polymer sector and recovery in paint and paper markets.
Rio Tinto Iron & Titanium
Rio Tinto Iron & Titanium (RTIT) comprises:
  the wholly owned Rio Tinto Fer et Titane (RTFT, formerly QIT) in Quebec, Canada;
 
  an 80 per cent share in the QIT Madagascar Minerals (QMM) ilmenite project in Madagascar; and
 
  a 37 per cent interest in and management of Richards Bay Minerals in KwaZulu-Natal, South Africa.
Both RTFT and RBM produce titanium dioxide feedstock used by customers to manufacture pigments for paints and surface coatings, plastics and paper and the production of titanium metal. They also produce iron, steel and zircon co-products. QMM produces ilmenite from beach sands which is shipped to Canada for processing into titanium dioxide slag.
In 2010, titanium dioxide production increased by 21 per cent compared with 2009. The market for titanium dioxide feedstock has recovered quickly from the global financial crisis, which led to a sharp decline in demand in 2009. In response, RTIT’s operations have returned to full capacity, producing 1,392,000 tonnes of titanium dioxide feedstock (Rio Tinto share). This increase has been achieved despite the reduction in the Rio Tinto share of RBM production from 50 per cent to 37 per cent following the BBBEE restructuring in late 2009 and reflects increased output of ilmenite from QMM in Madagascar.
Development projects
The Bunder project (Rio Tinto: 100 per cent) in Madhya Pradesh is Rio Tinto’s most advanced diamond project and the most important diamond discovery in India for many decades. Located 500km south east of Delhi, the Bunder project’s Order of Magnitude study identified significant mineralised material. Rio Tinto applied for a mining lease in 2008, has constructed an on site sample processing plant to evaluate drilling and surface samples, and is working on detailed studies for the mine’s development.
In October 2010, the Government of Madhya Pradesh signed a State Support Agreement with Rio Tinto as further endorsement of the Bunder project.
In September 2010 the Rio Tinto board approved a further US$803 million to complete the construction of the Argyle underground mine. Argyle will continue the transition to underground mining until 2013 by which time it is expected to be a wholly underground mine with a life through to at least 2019.
Exploration drilling in Serbia resulted in expanded deposit boundaries and the identification of a new sodium borate mineralisation at Jadar, a lithium and borate development project with considerable economic potential. The deposit is one of the largest undeveloped lithium deposits in the world. If developed, it is expected to be in production within five to six years.
Outlook
The diverse markets being served by the group’s operations are linked by a strong connection to end consumer markets, consumer sentiment and spending habits. Following recovery in 2010, the outlook for the group’s markets is generally favourable, driven by increased demand from Asian countries.
Diamonds
Following 2009 inventory depletions, the diamond supply chain was gradually replenished in 2010. Diamond demand from emerging markets accelerated, while production levels remained relatively low in comparison with 2008. As a result, rough diamond prices demonstrated a robust recovery throughout 2010. In the short run, the sustainability of this recovery will be in part dependent on US consumer confidence. The medium to long term fundamentals for the diamond industry are positive.
Minerals
Socioeconomic trends driving energy efficiency in housing and transportation, urbanisation in emerging economies and more sustainable farming practices will drive increased intensity of demand for borates. Segmentation and pricing strategies are in place to support shifts between regions and end uses through different consumer and economic cycles. Supply chain flexibility will be enhanced by establishing bulk delivery stock points in promising growth regions. The borate business is positioned for strong growth and industry leading returns in the near and long term.
Demand for titanium dioxide feedstock is driven mainly by the pigment industry. The market recovered sharply in 2010, with high capacity utilisation rates, driven in part by a steady rise in demand in China and other developing countries. Rising demand is likely to drive prices to structurally higher levels in the coming years.
RTIT is well placed to benefit from improved market conditions as production increases following capital investment in QMM and its established operations in recent years.


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Energy
Portfolio positioned to meet growing demand
 
   
(PHOTO OF DOUG RITCHIE)
Rio Tinto’s Energy group will meet strong future demand for energy and steel, and maximise
shareholder return, through operating and
growing its global coal and uranium portfolio.

Doug Ritchie, chief executive, Energy
Energy overview
(PIE CHART)
Operating highlights
                 
    2010     2009  
    US$ million     US$ million  
 
Revenue
    5,652       4,869  
 
               
Operating cash flow
    2,463       2,069  
 
               
Underlying earnings (a)
    1,187       1,167  
 
               
Capital expenditure
    685       510  
 
               
Net operating assets
    3,694       2,809  
 
Strategy
  The Energy group is focused on safely supplying the world’s growing energy needs through the responsible and sustainable development and operation of large scale, long life, cost competitive assets.
 
  The group aims to be a sector leader in the development and operation of the world’s coal and uranium resources.
 
  The group seeks to build strong customer relationships and provide superior customer outcomes while earning significant premiums to the market.
 
  The group is pursuing opportunities for growth to meet expanding global energy demand, while continuing to focus on operational excellence, community engagement and environmental performance to ensure it is the developer of first choice.
Key achievements
  Commissioning of the new Clermont mine in Queensland, an open cut thermal coal mine due to reach annual peak production of 12.2 million tonnes in 2013.
 
  Feasibility study started into the open cut thermal coal Mount Pleasant project.
 
  Australian hard coking coal production increased by 20 per cent in 2010 and set a new record of 2.4 million tonnes in the third quarter.
(BAR GRAPH)
  A successful heap leach processing trial at Rössing, and finalising work on a proposed exploration decline at Energy Resources of Australia’s Ranger mine.
 
  Completion of a detailed study of global energy demand to support strategic decision making and growth planning.
 
  Announced a recommended cash offer for Riversdale Mining Limited. If successful, this acquisition would provide Rio Tinto with a coking coal development pipeline in the emerging Moatize Basin in Mozambique, in line with our established strategy.
 
  Divestment of Rio Tinto’s remaining 48 per cent equity holding in Cloud Peak Energy Inc. (gross proceeds of US$573 million).
Key priorities
  Continued focus on operational excellence; in particular safety performance to achieve the group’s goal of zero harm.
 
  Expanding and developing existing assets to meet the strong demand.
 
  Focusing on exploration and strategic acquisition and/or joint venture arrangements.
Outlook
  The world’s demand for energy and steel production is expected to grow strongly in coming decades, driven by increasing populations and industrialisation in large developing countries.
 
  The forecast growth in demand for coal over coming decades for both energy and steel production presents a significant opportunity to target expanding export markets, particularly in the Asia Pacific region.
 
  Global demand for uranium is expected to remain strong due to a desire for base load electricity generation with reduced greenhouse gases, as well as the need for energy security, diversity of supply and strong growth plans in China.

     
(a)   See note 2 and the “Financial information by business unit” section of the 2010 financial statements for a reconciliation of underlying earnings to net earnings.


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Strategy
Rio Tinto expects strong growth in energy demand in all markets, including coal and uranium, from energy per capita growth and population growth dominated by China and India.
Electricity demand outpaces overall energy demand and this should translate into good opportunities for thermal coal and uranium.
While nuclear and renewable energy will grow strongly in coming years, coal is set to remain a significant part of the world’s future energy mix as it is abundant, relatively cheap and there is significant recently installed capacity.
The Energy group’s coal assets are well positioned to service the future demand growth in Asia, and include long life, cost competitive assets that are viable throughout the economic cycle. Existing operations have expansion opportunities, and steps are under way to progress these.
While Rio Tinto benefits from this growth in energy demand, it is concerned by the threat of climate change and has accepted the need for global reductions in greenhouse gas emissions. Rio Tinto invests heavily to reduce emissions from its own operations. Rio Tinto also contributes to global efforts to reduce emissions, by participating in the development of low emission technologies, running strong product stewardship programmes, and assisting governments with the development of sound policies.
Rio Tinto has continued to sell non-core coal assets in the Energy group, with the divestment in 2010 of Cloud Peak Energy Inc. and the completed sales of the coal projects Maules Creek and Vickery in the Gunnedah Basin in New South Wales. A process also began in 2010 to divest the Colowyo mine in the US.
Given uranium’s low greenhouse gas emissions and strong demand, the Energy group is pursuing growth opportunities and in 2010 progressed work to further define available mineralisation at both Rössing and ERA. Rössing began a statutory approval process ahead of a proposed expansion, while ERA completed detailed planning of its Ranger 3 Deeps mineralisation.
The Energy group’s long term strategy is centred firmly on expanding existing capacity and securing opportunities for growth while maintaining superior margins as a reliable long term supplier with consistently high standards of operation.
Performance
The Energy group’s 2010 sales revenue was US$5,652 million and its underlying earnings were US$1,187 million, compared with sales revenue of US$4,869 million and underlying earnings of US$1,167 million in 2009.
Rio Tinto Coal Australia’s (RTCA) 2010 contribution to underlying earnings was US$940 million, US$77 million lower than in 2009 due mainly to a stronger Australian dollar, especially in the second half of the year, outweighing the impact of stronger coal prices throughout 2010. RTCA’s total coal production was 47.6 million tonnes (Rio Tinto share 30.5 million tonnes), slightly higher than 2009 production.
RTCA’s hard coking coal production increase was assisted by equipment investment and operational improvements. RTCA’s thermal and semi-soft coking coal production was seven per cent lower, mainly due to wet weather impacts in the Hunter Valley, and the scheduled ramp down of Blair Athol mine (which was partly offset by the ramp up of Clermont mine which became operational in April). Monsoonal rain and flood impacts on
mining operations, road and rail access at RTCA’s four Queensland mines in December 2010 led to a force majeure declaration on sales contracts at those mines.
Energy Resources of Australia (ERA) contributed US$22 million in 2010 to underlying earnings, compared with US$138 million in 2009. Total production for 2010 was 8.6 million pounds uranium oxide on a 100 per cent basis (2009: 11.5 million pounds). The reduced production was primarily due to lower than expected milled ore grade of 0.19 per cent, compared with 0.26 per cent in 2009. Earnings were impacted by the strengthening of the Australian dollar and higher cash costs. Sales of uranium oxide decreased in 2010 to 11.1 million pounds, compared with 12.1 million pounds in 2009. Unseasonal late rains in April 2010 and an early start to the 2010/2011 wet season also restricted pit access and delayed mine schedules. In January 2011, ERA announced a 12 week suspension of processing operations as a precautionary measure due to a higher than average wet season.
Rössing Uranium recorded a loss of US$3 million, US$27 million below 2009, predominantly attributable to an adverse exchange rate impacting production costs. Earnings recovered in the second half of the year when some sales occurred from volumes deferred from the first half. Rio Tinto’s share of uranium oxide production in 2010 was 5.5 million pounds, a 13 per cent decrease on 2009 levels due to lower average feed grade.
Key achievements
Australian hard coking coal production increased by 20 per cent in 2010.
Clermont mine became operational in April and produced 3.8 million tonnes of coal in 2010.
ERA completed detailed planning for a proposed underground exploration decline to conduct close spaced exploration drilling to further define the extent of the Ranger 3 Deeps mineralisation identified in late 2008.
Safety
All operations across the Energy group continued the focus on reducing injuries through leadership, simple and effective systems, and personal commitment to safety. This includes increasing the focus on significant potential incidents, which are defined as incidents that may not have caused actual harm, but had the potential to cause significant harm.
The Energy group’s AIFR increased slightly to 0.71 during 2010, mainly due to an increase in incidents at Rössing and the divestment of Cloud Peak Energy.
RTCA’s AIFR of 0.58 was an improvement from 0.60 in 2009, and its injury severity rate decreased significantly.
In 2010 ERA recorded a four per cent increase on its AIFR compared with 2009. However, ERA achieved 1.35 million hours and equalled a record number of consecutive days without a lost time injury.
Rössing’s safety performance of 0.95 AIFR in 2010 increased compared with 2009, however a safety acceleration programme implemented at mid year is expected to help deliver improved safety performance in 2011.
Colowyo reduced its rate of injuries by more than a third, achieving an AIFR of 0.65 in 2010 compared with 1.02 in 2009.


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Energy continued
 
Greenhouse gas emissions
The Energy group is committed to a future where energy is about sustainable practices that will lead to a low carbon future. Initiatives at each operation are helping to reduce greenhouse gases, while the group is continuing to dedicate resources to the development of low emissions coal technology.
Greenhouse gas emissions intensity increased across the Australian coal business in 2010, however a coal seam methane pilot project was completed by Coal & Allied at the Mount Thorley Warkworth operation. The purpose of the three year project was to test the feasibility of pre-mining drainage and use of methane from shallow coal seams that will be mined using open cut methods. Other trials will be considered after further drilling to measure the gas content in coal that is yet to be mined. The drilling and gas measurement programme, which is being rolled out across all Rio Tinto Coal sites in New South Wales including Mount Pleasant, is expected to be completed in 2011.
In 2010, total production of uranium oxide from Rio Tinto’s uranium mines in Australia and Namibia was 16.6 million pounds, and total production of thermal coal from Rio Tinto’s Australian coal mines was 31.8 million tonnes. The electricity that will be generated from these energy products is estimated to be 390TWh (terawatt hours). This is equivalent to the combined amount of electricity that was consumed in Australia, Indonesia, and Iceland in 2008. (Source: IEA, World Energy Statistics 2010.)
ERA improved energy efficiency and reduced carbon dioxide equivalent emissions through the rebuild of power station generators.
(BAR GRAPH)
(BAR GRAPH)
Rössing did not meet the set energy efficiency and emissions target due to mining and processing constraints, as expected, because of less ore mined, lower grade ore and a high calcium carbonate index. The operation is also aggressively stripping waste and widening the open pit to expose higher grades of ore.
Colowyo’s continuing haul road optimisation work aims to maintain greenhouse gas reductions achieved in prior years.
Review of operations
Rio Tinto Coal Australia (Rio Tinto: 100 per cent)
RTCA manages the group’s Australian coal interests. These include the Blair Athol (Rio Tinto: 71.2 per cent), Kestrel (Rio Tinto: 80 per cent), Hail Creek (Rio Tinto: 82 per cent) and Clermont (Rio Tinto: 50.1 per cent) coal mines in Queensland.
RTCA also provides management services to Coal & Allied Industries (Coal & Allied) for operation of its four mines located in the Hunter Valley in New South Wales. Coal & Allied (Rio Tinto: 75.7 per cent) is publicly listed on the Australian Securities Exchange and had a market capitalisation of A$10.4 billion (US$10.6 billion) at 31 December 2010. Coal & Allied wholly owns Hunter Valley Operations, has an 80 per cent interest in Mount Thorley Operations, a 55.6 per cent interest in the contiguous Warkworth mine, and a 40 per cent interest in the Bengalla mine adjacent to its wholly owned Mount Pleasant project. Coal & Allied also has a 36.5 per cent interest in Port Waratah Coal Services (PWCS) which operates the Kooragang and Carrington coal port terminals in Newcastle.
2010 saw continuing strength in the seaborne market for Australian coal, with growth in demand for thermal coal continuing from South Korea, India, Taiwan and China. Global steel demand improved in all markets in 2010 and led to strong demand for semi-soft coking coal. The market for premium quality hard coking coal remained solid in 2010.
Energy Resources of Australia (Rio Tinto: 68.39 per cent)
ERA is a publicly listed company and had a market capitalisation of A$2.1 billion (US$2.2 billion) at 31 December 2010. Since 1980 ERA has mined ore and produced uranium oxide at its Ranger open pit mine, 250km east of Darwin in Australia’s Northern Territory. ERA also holds title to the adjacent Jabiluka mineral lease. Ranger and Jabiluka are surrounded by, but remain separate from, the World Heritage listed Kakadu National Park. ERA’s operations are subject to stringent environmental requirements, and governmental oversight.
In 2010, ERA maintained its 30 year history of protection of the surrounding environment, with the Australian Government’s Supervising Scientist Division reporting in its 2009/2010 annual report that extensive monitoring and research programmes confirm that the Kakadu environment “has remained protected”.
ERA has invested A$11.2 million towards water management improvements across its entire operation, and additional real time water quality sensor points in local waterways have improved ERA’s ability to monitor releases and protect the environment.
A programme of infill drilling within Ranger pit commenced in October 2010 to confirm confidence in the mineralisation. As a result of this work and pit redesign due to a localised area of instability on the south wall, the Ranger in situ reserves were reduced by approximately 2,400 tonnes.


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Rössing Uranium (Rio Tinto: 68.58 per cent)
Rössing Uranium produces and exports uranium oxide from Namibia to power utilities globally. Its core purpose is to maximise the value delivered to shareholders by being a safe, significant and growing long term supplier of uranium.
Rössing plays a major role in the Namibian economy, both in terms of GDP contribution of around 3.8 per cent as well as employment, education and training opportunities. The Rössing Foundation, set up 30 years ago, continued to provide various education and training programmes and is recognised as a major contributor to sustainable development in Namibia.
A Social and Environmental Impact Assessment was commissioned in 2010 ahead of the mine’s proposed expansion activities, and following drilling work in existing and new areas surrounding the current open pit to investigate the extent of the uranium ore available within the Rössing mining licence area.
The latest Life of Mine plan sees the operation continuing to 2023; however it requires a large increase in stripping for the next three years to open up new areas of the pit. A combination of additional equipment and operational performance improvements were implemented in 2010 to deal with the extra mining requirements as efficiently as possible. A similar focus in the plant increased plant throughput and improved recovery rates by three per cent.
Heap leach is a key initiative to increase production and reduce operating costs, and trials were successfully undertaken in 2010. Rössing also continued to progress other potential value enhancing projects including a new tailings facility and an on-site acid plant.
Colowyo Coal Company (Rio Tinto: 100 per cent)
Colowyo Coal Company produces thermal coal in northwest Colorado. The company intends to fulfil a long term contract with its sole remaining customer, a power generator located in northwest Colorado. This contract expires at the end of 2017. In the absence of divestment or the development of additional customers, the expiration of the contract will be followed by closure and completion of reclamation of the mine site.
Development projects
The Energy group’s main coal development project in Australia is the extension of the Kestrel mine with first production expected in early 2013.
A feasibility study commenced in November 2010 for the Mount Pleasant project, an already consented, open cut thermal coal mine proposal in the Upper Hunter Valley. Consent modifications are being sought to provide options that may reduce capital costs and allow more efficient operations.
In New South Wales, the start of a long term commercial framework relating to port capacity to facilitate industry growth is showing results. To date the framework has seen coal producer nominations and the allocation process trigger the requirement for PWCS to take its terminal capacity to 145 million tonnes a year (mtpa), expected by 2013. The process has also triggered the requirement for PWCS to develop a fourth terminal. Meanwhile, the externally owned and operated Newcastle Coal Infrastructure Group commissioned its stage one 30mtpa terminal in April 2010 and has announced financial close on an expansion to take its port capacity to 53mtpa. Negotiations on below-rail arrangements in the Hunter Valley region are continuing.
RTCA has secured additional port capacity in the first stage of the Abbot Point expansion to meet its production requirements for growth in Queensland.
ERA completed detailed planning for a proposed underground exploration decline, to conduct close spaced exploration drilling to further define the extent of the Ranger 3 Deeps mineral mineralisation identified in late 2008. This proposal is in the final stages of ERA’s approval process with a final decision expected in the second quarter of 2011.
ERA is progressing work on a feasibility study into a proposed heap leach facility at Ranger, targeting the recovery of 33 million to 44 million pounds of uranium oxide from low grade ores.
Outlook
The Energy group’s increased capital expenditure in 2010 will continue in 2011, to expand operations to meet forecast demand growth in coming years.
Rio Tinto’s Energy group expects 2010’s strong thermal coal demand will continue through 2011, with continued pressure on prices due to wet weather constraints to coal production in Australia, Indonesia and Colombia in late 2010/early 2011.
The group expects that coking coal prices will remain high relative to historical levels, given the lack of substitutes, growing demand and lingering supply constraints due to the impact of recent weather.
Uranium spot markets strengthened in the second half of 2010, mainly driven by strong demand from China, and long term prices saw some small increases in late 2010. Market demand is expected to remain strong in the coming years as new nuclear power capacity comes online.


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Iron Ore
Record performance, operational efficiency and robust outlook
 
(PHOTO OF SAM WALSH)
Following a decade of dramatic expansion, we are well positioned to supply rising global iron ore demand through further capacity increases. We will continue to drive performance through leadership in project delivery and operational excellence.


Sam Walsh, chief executive, Iron Ore and Australia
Iron Ore overview
(PIE CHART)
Operating highlights
                 
    2010     2009  
    US$ million     US$ million  
 
Revenue
    24,024       12,598  
 
               
Operating cash flow
    15,915       7,389  
 
               
Underlying earnings (a)
    10,189       4,126  
 
               
Capital expenditure
    1,716       2,148  
 
               
Net operating assets
    11,628       11,263  
 
Strategy
  Continue to build the Pilbara operations as the leading iron ore supplier close to the world’s largest, fastest growing markets.
 
  Focus on implementing a major expansion programme while maintaining maximum production.
 
  Continue to develop and benefit from technology innovation to deliver supply chain efficiencies, maximising margins per tonne.
Key achievements
  Record global iron ore production of 239 million tonnes
(Rio Tinto share 184.6 million tonnes), a ten per cent increase on 2009 global production.
 
  Full ramp up of the Operations Centre in Perth, including transition of ports and new mines.
 
  Opening of Brockman 4, Mesa A and Western Turner Syncline mines. Subsequent decision to expand Brockman 4 to 40 Mt/a capacity and Western Turner Syncline to 15 Mt/a.
 
  Approval to develop the US$1.6 billion Hope Downs 4 mine and linking rail spur (Rio Tinto share US$1.2 billion).
 
  Improving on an already sector leading safety record, in the context of high production levels and the complexities of expansion.
(BAR GRAPH)
  The employment of more than 900 Aboriginal people in Western Australia through targeted recruitment and retention strategies.
 
  Resuming expansion programme at Iron Ore Company of Canada (IOC).
 
  Opening the US$503 million Yurralyi Maya power station (Rio Tinto share US$397 million), providing more environmentally efficient power to support Pilbara operations and communities.
Key priorities
  Maintaining production and sales at nameplate capacity.
 
  Advancing technological integration into the group’s operations through Mine of the Future™ initiatives.
 
  Further improving the product group’s safety record towards zero harm.
 
  Emphasis on operational efficiency, removal of bottlenecks and cost control measures.
 
  Progress studies of total system capacity to 333 million tonnes per year in 2015.
 
  Continued emphasis on brownfield developments, to leverage an unrivalled network of assets close to existing infrastructure.
 
  Advance new project development options outside of the Pilbara.
Outlook
  Market to remain tight for the short to medium term, with delays to new supply and strong demand driving prices.
 
  The Iron Ore group’s strategy and performance will continue to be driven by the rapid urbanisation and industrialisation in China, and the steady recovery in other major Asian markets.
 
  India is expected to continue emerging as a major market as it follows China’s lead in urbanisation. The group also remains confident in the longer term potential for other markets of South East Asia, Central Asia, the Middle East and Africa.

     
(a)   See note 2 and the “Financial information by business unit” section of the 2010 financial statements for a reconciliation of underlying earnings to net earnings.
 


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Strategy
The Iron Ore group seeks to maximise shareholder return from its global assets, through establishing a global supply chain able to deliver high grade iron ore to established and emerging markets worldwide.
We will continue our focus on operational and financial efficiency, but our growth phase adds a new perspective. Of critical importance will be executing our capacity expansions in the Pilbara and Canada, and progressing major development opportunities at Simandou, Guinea and Orissa, India.
Following the joint decision to end plans for an iron ore production joint venture with BHP Billiton, Rio Tinto is well positioned to maximise its leading role in the Pilbara, with superior expansion options and a strong record of project execution. Strategy will focus on increasing Pilbara capacity by over 50 per cent in five years without compromising current operational efficiency.
A number of studies are well advanced to support the major increases in port and rail infrastructure. A continued emphasis on brownfield developments where possible, exploiting the group’s unrivalled network of assets close to existing infrastructure, will improve time-to-market delivery and manage risk.
Although a number of projects are under study in other regions, a high priority has been attached to the early development of the Simandou project in Guinea. Key aspects of the legal status of the project are still to be clarified, and management worked closely with the Government of Guinea throughout the year to progress this aim. A historic binding agreement was signed with Chalco in July, paving the way for joint development of the Simandou deposit. Following the Guinean elections in late 2010, chief executive Tom Albanese visited Conakry for further talks with the new administration. To date more than US$700 million has been spent in Guinea on exploration, environmental, community development and evaluation work.
Rio Tinto, as the second largest provider of seaborne iron ore, seeks to deliver its products across world markets. As a reliable source of large volumes to agreed specification, Rio Tinto can capitalise on superior supply chain logistics to deliver a consistent product such as the Pilbara Blend drawn from 11 of our 14 mines in the Pilbara.
Rio Tinto is not committed to a specific pricing structure, instead seeking to obtain the best price across its suite of products, one recognising high value in use while respecting longstanding customer relationships.
Performance
Rio Tinto’s global iron ore business achieved record performance in 2010, demonstrating not only the recovery of all major markets from the impact of the global financial crisis, but also the capacity of the group to benefit from its position as a leading supplier in the seaborne iron ore market. Production was maintained at above nameplate capacity levels through most of the year, leading to record production volumes.
As in 2009, the group implemented and refined measures to reduce expenditure as markets slowly recovered.
Sales revenue of the Iron Ore group was US$24,024 million in 2010, US$11,426 million higher than in 2009 mainly due to improved prices and higher volumes of ore sales.
Underlying earnings were US$6,063 higher than 2009 as the result of strong revenue growth and a continued focus on cost control. Cash flow optimisation, increased equipment productivity, reduction in process variability through standardisation and improvement in people intensity have all contributed to effective cost control strategies.
Sales volumes from the Pilbara region of Western Australia set a new record in 2010 at 223 million tonnes (100 per cent basis), an increase of nine per cent compared to 2009. Shipments to all major markets, other than China, increased as financial conditions improved earlier than expected.
2010 was also notable for the end of the traditional annually priced iron ore supply contracts in favour of shorter term pricing. Rio Tinto maintained its position of providing a range of options to customers, being able to supply ore under whichever pricing regime best fits within appropriate market dynamics.
At IOC (Rio Tinto 58.7 per cent), all pellet lines resumed full production and returned to normal concentrate and pellet proportions as markets improved. Total sales were 15.6 million tonnes, up 9.6 per cent on 2009, and achieved despite significant weather related challenges.
In December the HIsmelt® joint venture partners agreed to permanently close the Kwinana site and terminate the joint venture, following two years of care and maintenance. The closure work is expected to be substantially completed by 2014. The technology business (Rio Tinto share 100 per cent) continues and a number of licensing opportunities are progressing.
Key achievements
The ramp up of production levels was the standout achievement of the year, with nameplate capacity met and in many cases exceeded from month to month. This was particularly commendable given the widespread surge in industrial and economic activity throughout Western Australia’s resources sector, which might have otherwise imposed delays and cost pressures.
As a result, operating margins remained robust. Value was preserved through close focus on elimination of unnecessary cost and tight control over manageable overheads.
Another achievement was the maintenance of business discipline throughout a year in which the proposed production joint venture with BHP Billiton remained a high priority. This discipline positioned the group well once the proposed joint venture was abandoned.
As in previous years, technology and innovation was further embedded in enhanced operations. A number of key initiatives were implemented during the year, many under the pioneering Mine of the Future™ vision.
2010 saw the full ramp up of the Operations Centre in Perth. More than 400 employees are now remotely managing most key Pilbara operations, or planning future initiatives, up to 1,500km away. A number of other innovation projects continued, such as the commencement of tele-remote shiploading in Dampier and the continued successful trialling and deployment of driverless trucks and automated drilling and blasting at West Angelas mine.
Coinciding with the ramp up has been the greater deployment of Aboriginal workers in the group. The number of Aboriginal workers and class-A contractors exceeded 900, and a number of apprenticeship and training programmes have been targeted directly at attracting and retaining these employees.
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Iron Ore continued
 

operations and projects is a priority. More than A$200 million in contracts were awarded to Aboriginal businesses during 2010.
Safety
There has again been a significant improvement in safety performance for the Iron Ore group in 2010, with the all injury frequency rate (AIFR) dropping to 0.71, an 11 per cent improvement on 2009.
Two operations were recognised in the Chief Executive Safety Awards: Marandoo mine (a Most Improved Site award) and the Coastal Operation Division (a commendation for its strong safety culture). The Safety Leadership Development Programme continued to be implemented across iron ore sites in Western Australia.
Highlighting a greater focus on general health within the safety strategy, a Fatigue Management Programme, a pilot Wellness Programme, and programmes focusing on mental health and medical surveillance began.
Further improving the safety record, while undertaking Australia’s largest ever mining project, will be a key challenge. With this in mind, the Contractor Forum initiative continued throughout 2010 and a Contractor Safety Leadership Development Programme was initiated in Western Australia.
IOC’s performance was marred by a tragic accident in March. Two maintenance workers at the Labrador City site fell from height, resulting in fatal injuries to one of the men, while the other eventually recovered fully and was able to return to work. Comprehensive studies resulted in a change action plan, which has been fully implemented.
Greenhouse gas emissions
The Iron Ore group’s total greenhouse gas (GHG) emissions intensity has improved 4.7 per cent from 2008.
Progress continued on the replacement of ageing power infrastructure in the Pilbara, with a new generation plant, Yurralyi Maya, near Dampier progressively commissioned in the second half of 2010. The implementation of the cleaner technology is expected to produce 25 per cent less GHG emissions at the same production level compared with the existing steam power generation. The option of retrofitting combined cycle equipment has been kept open to further reduce GHG emissions and improve efficiency.
Another technological improvement occurred with the integration of 51 Evolution™ Series diesel electric locomotives into the Pilbara railway fleet, replacing less efficient locomotives.
A number of localised innovative projects to reduce GHG emissions
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continued across the group. Rio Tinto was a key participant in a landmark commercial biodiesel venture by the Ashburton Aboriginal Corporation, under which up to 7,000 litres of waste cooking oil is provided for biofuel, to be used for blasting at the Tom Price mine. Energy efficient devices continue to be introduced to housing and buildings on sites and in towns. Research into electricity generation, hybrid engines and alternative fuels continue through the Mine of the Future™ programme. In addition to the reduction in air travel implied, the Operations Centre incorporates a range of innovative energy saving designs purpose built to reduce its environmental footprint.
At IOC’s Labrador City plant, projects to reduce fuel and steam production costs resulted in a number of efficiencies which are estimated to produce GHG savings of 2,200 to 3,600 tonnes annually. The second stage of a project to reduce fuel oil required to fire pellets was completed on three machines, producing estimated GHG savings of approximately 5,000 tonnes annually.
Review of operations
Production performance throughout 2010 was the group’s key achievement, emphasising the quality of Rio Tinto’s suite of assets and its array of efficient logistics systems.
Ian Bauert, previously managing director, Sales and Marketing, was appointed Rio Tinto’s managing director, China, as part of the rebuilding of close relations with that country. The improvement of ties was highlighted by the hosting of a number of high profile events at the Shanghai World Expo, where the Australian pavillion was sponsored by Rio Tinto.
A number of new mines were completed in 2010. In February the US$1 billion Mesa A mine (Rio Tinto share 53 per cent) was opened, ramping up through the year to reach its 25 million tonne annual capacity in late 2010. The Western Turner Syncline mine was constructed through 2010. In September, the US$1.5 billion Brockman 4 mine (Rio Tinto share 100 per cent) was opened, supplying 22 million tonnes a year into the Pilbara’s production and slated to expand to at least 40 million tonnes a year.
In August Rio Tinto approved a US$1.6 billion investment (Rio Tinto share US$1.2 billion) in Hope Downs 4 mine. The mine is expected to have a 15 million tonnes a year capacity, to sustain current Pilbara capacity, with first ore expected in 2013.
Two incremental expansions increasing capacity at our two Dampier Port terminals by five million tonnes each were approved, for a total investment of US$321 million (Rio Tinto 100 per cent). Both are now well into implementation, with completion scheduled for early 2011 and early 2012.
In April Rio Tinto confirmed it was discussing pricing of annual
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supply contracts on a quarterly basis, following a significant shift in market expectations towards shorter term pricing. Rio Tinto has pursued a flexible portfolio approach providing a range of options to customers. Rio Tinto recognises that the market dynamics will remain fluid given underlying cyclical, structural and domestic industry regulatory policy changes.
The taxation debate in Australia prompted a delay in the roll out of Rio Tinto’s ambitious expansion programme, as greater clarity and assurances were sought and ultimately received from the Commonwealth Government as to the regime under which major expansions would occur.
In June the Australian Competition Tribunal decided not to “declare” Rio Tinto’s principal railway line in the Pilbara (the Hamersley line) mandated open for third party access. The Tribunal also decided that the Robe River line should be “declared” open for access, but only until 2018, rather than for 20 years as the applicants wished. Both decisions are subject to appeal.
A landmark agreement was reached with the Western Australian Government during the year to revise state agreements and royalty arrangements. The agreement will allow greater flexibility in the use of infrastructure and assets. Rio Tinto agreed to pay royalties of 5.625 per cent on fine product from all mines (formerly 3.75 per cent on several mines) and to continue paying 7.5 per cent on lump product. Rio Tinto also agreed to fund 50 per cent of a one-off, combined payment of A$350 million, to the State Government’s Consolidated Revenue Fund.
Agreements with five Pilbara native title groups were signed in November. This is a major achievement in securing current and future access, as well as active Traditional Owners’ support.
Minerals
Good weather for salt growth in a number of countries and a sluggish recovery in relevant global markets in 2010 led to a weakening of salt prices and reduced underlying earnings of US$29 million, down from US$88 million in 2009. Salt production continued at less than capacity and similar to 2009 at 7.6 million tonnes (Rio Tinto share 5.2 million tonnes). Shipping increased by 0.6 million tonnes to 8.3 million tonnes, as stock built up during the global financial crisis was sold. As part of diversifying risk, customers and new contracts were established outside of the traditional Asian markets, in Europe, Africa and North America.
Continuation of the Sustainable Health and Safety programme within the business contributed to the Group’s improved focus on general health and safety performance. Work commenced on replacement of the main seawall and seawater intake structure at Dampier, as part of the continuing structural integrity programme.
Marine
Rio Tinto Marine provides Rio Tinto with comprehensive capabilities in all aspects of marine transportation, global freight markets and the international regulatory environment. The Marine group consists of approximately 75 shipping professionals, located principally in Melbourne, Singapore, London and Montreal. Identifying and executing seaborne freight solutions allows Rio Tinto to participate in all aspects of the supply chain, while exerting greater influence on vessel selection, operational safety, scheduling, port efficiency and cost management.
Rio Tinto Marine sets and maintains the group’s HSE and vessel assurance standards for freight, with continuous improvement efforts undertaken to instil a high standard of health, safety and environmental performance aboard vessels under management and throughout the organisation. As one of three equal shareholders in RightShip, a ship vetting specialist, Rio Tinto helps to promote maritime industry safety and efficiency.
During 2010 Rio Tinto Marine managed 155 million tonnes of seaborne cargo. Freight participation is largely within the dry bulk market, managing seaborne transportation of iron ore, coal, salt, bauxite, alumina and other minor bulk products. Rio Tinto Marine owns a fleet of five post-panamax vessels, used principally for the transportation of bauxite sourced from Rio Tinto Alcan’s mine at Weipa, Queensland. These purpose built ships deliver volume and efficiency advantages on niche trade routes, guaranteeing supply and eliminating freight cost variability.
Rio Tinto Marine secures the majority of its freight coverage through period charter commitments. It leverages the Group’s substantial cargo base to obtain a low cost mix of short, medium and long term freight cover. It seeks to create value by improving the competitive position of the Group’s products through freight optimisation.
Development projects
Rio Tinto has outlined the largest expansion programme in Australia’s mining history, to achieve production and shipping annual capacity of 333 million tonnes in 2015. The expansion will more than double capacity at the Cape Lambert port facility (Rio Tinto share 53 per cent) to 183 million tonnes.
There were a series of major announcements in 2010 related to the expansion of the Pilbara rail and port infrastructure to 283 million tonnes a year. Feasibility studies into further expansion to 333 million tonnes per year are well under way. The scale of the expansion programme in the Pilbara is vast, with a total capital expenditure estimate of US$14.8 billion (Rio Tinto share US$12 billion) to increase annual capacity to 333 million tonnes.
In July and August Rio Tinto announced a US$990 million investment (Rio Tinto share US$649 million), for the letting of dredging contracts and the procurement of long lead items associated with the group’s growth programme. Dredging was approved and began in December. A further investment of US$3.1 billion (Rio Tinto share US$2.1 billion) was approved to increase infrastructure annual capacity to 283 million tonnes in 2013. Approval was also given for a final feasibility study for the second 50 million tonne tranche taking Pilbara capacity to 333 million tonnes a year, scheduled for completion in late 2015.
Demonstrating the fundamental change in global markets, Rio Tinto announced the resumption of IOC’s expansion to 22 million tonnes a year capacity, the first stage of a programme to boost capacity to 26 million tonnes a year.
Outlook
We believe market conditions will remain tight as delays to new supply and strong demand continue to drive prices.
Urbanisation and industrialisation have supported a phenomenal growth in China’s steel demand over the past decade. We believe this will continue. The fundamentals underlying China’s growing demand will remain robust, driving this demand into the next decade. India is expected to follow China’s lead, and increased controls on its export capacity and early signs of increased steel intensity suggest its emergence as a major market will continue. The group remains confident in the longer term potential for other markets of South East Asia, Central Asia, the Middle East and Africa where urbanisation is relatively low but increasing.
Just as the earliest indications of demand were met with Rio Tinto’s counter-cyclical investment in capacity a decade ago, the group will accordingly seek to expand its production capacity by almost 50 per cent in the next five years.


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Exploration
Investing for the future
 

The Group has had a sustained commitment to exploration since 1946 and considers exploration to be one of its core competencies. Mature Group operations, such as Weipa, the Pilbara and Rössing, were Tier 1 greenfield discoveries by Rio Tinto. The value of these discoveries is still being realised after more than 40 years by both mine production and successful brownfield exploration.
Continuing this legacy, the Exploration group has since 2000 identified two of the largest copper opportunities in the world at Resolution in Arizona, US and La Granja in Peru. Exploration has also delivered one of the world’s largest known high grade iron ore deposits, at Simandou in Guinea, as well as the Caliwingina channel iron deposits in the Pilbara, Australia. Exploration identified the potash deposits at Potasio Rio Colorado, which Rio Tinto sold to Vale in 2009; the Sulawesi nickel laterite deposit in Indonesia; the Mutamba titanium deposit in Mozambique; and the lithium borate deposits at Jadar in Serbia.
A significant proportion of the Exploration group’s expenditure is returned to Rio Tinto through the sale of Tier 2 discoveries. Over the period 2000 to 2010, divestment of Exploration group projects has returned US$1,291 million for a net pre tax spend of approximately US$128 million. Over the period this translates to an average Tier 1 discovery cost of less than US$16 million per deposit.
The following table shows the Exploration group’s Tier 1 discoveries
since 2000:
             
Year   Discovery   Commodity   Location
 
2000
  Potasio Rio   Potash   Argentina
 
  Colorado        
2002
  Resolution   Copper   US
2004
  Simandou   Iron ore   Guinea
2005
  La Granja   Copper   Peru
2005
  Caliwingina   Iron ore   Australia
2008
  Sulawesi   Nickel   Indonesia
2008
  Mutamba   Titanium   Mozambique
2009
  Jadar   Lithium/borates   Serbia
 
At the end of 2010, the Exploration group was actively exploring in 16 countries, and assessing opportunities in a further seven, for a broad range of commodities including bauxite, copper, coking coal, iron ore, diamonds, nickel, uranium and potash.
Strategy
The purpose of Exploration is to add value to the Group by discovering or acquiring resources that can increase future cash flows. A fundamental element of the Group’s business strategy is a clear focus on finding and mining only the largest, most cost competitive resources that are profitable at all parts of the natural price cycle and that deliver sustainable competitive advantage. These are described as Tier 1 resources.
The Exploration group is accountable for greenfield exploration programmes and it provides technical assistance to the business units on brownfield exploration. Greenfield exploration, which aims to establish completely new operating business units, involves geographic or commodity diversification away from existing Group operations. Brownfield exploration is directed at sustaining or growing existing Group businesses. Exploration further supports the product groups in the assessment of merger and acquisition opportunities.
The Exploration group is organised geographically into regional multi-commodity teams, with head offices in London, Salt Lake City and Brisbane. This structure provides a balance between global reach and local presence.
Greenfield exploration programmes are prioritised on a global basis so that only the most attractive opportunities are pursued. Priorities are determined in consultation with the product groups, with investment decisions being driven not by location or choice of commodity but rather by the quality of each opportunity.
Exploration teams frequently present the first face of Rio Tinto in a community and lay the groundwork for what could become a multi-decade relationship. Exploration places a high priority on effective community engagement and considers its commitment to sustainable development as fundamental to securing its social licence to operate.
Safety
The Exploration group all injury frequency rate has increased from 0.62 at the end of 2009 to 1.18 at the end of 2010. The deterioration in performance is correlated with the expansion of field activities following the global financial crisis and increased engagement of contractors. The Exploration group continues to work closely with contractors to implement critical controls around high risk activities such as drilling.
Performance
A bauxite Order of Magnitude project was initiated at Amargosa in Brazil and is on target for delivery of the resource to the product group at the end of 2011. Resource evaluation continued at the Tamarack nickel-copper prospect in the US and the project will be advanced to a decision point in early 2011. The Altai Nuurs coking coal deposit in Mongolia was identified as a non core asset and has been prepared for divestment.
Target testing at Sanxai in Laos, in joint venture with Mitsui, identified ore grade bauxite mineralisation.
Target generation activities were progressed across a range of commodities and jurisdictions. In Kazakhstan, a memorandum of understanding was signed with state mining company Tau-Ken Samruk to conduct joint venture exploration for copper and other minerals. A similar agreement was signed with Chinalco to jointly explore for copper and other minerals within mainland China.
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In the brownfield environment, Exploration handed over a number of iron ore deposits in the Pilbara, Australia, to the Iron Ore product group. In Utah, US, exploration continues within a three kilometre orbit of the Bingham Canyon Mine. Recent drilling to the east of the mine identified a new but sub-economic copper-molybdenum-gold porphyry system. Drilling at other targets within the Bingham mine orbit is under review. On the Rössing mine lease in Namibia, ore grade uranium intersections were returned at the Z20 prospect.
A research and development milestone was reached with the first test flights of the VK1 airborne gravity gradiometer over a test range in Western Australia. System optimisation is under way in preparation for production flying towards the end of 2011 and commercialisation of the technology.
Gross cash expenditure on exploration and evaluation in 2010 was US$594 million. The increase of US$80 million over 2009 gross expenditure reflects the ramp up of activities in response to the improved market outlook, while remaining below 2008 expenditure of US$1,134 million. Gross expenditures are offset by US$522 million (pre-tax) proceeds from the divestment of exploration properties.
Outlook
The Exploration group expects to explore for a range of commodities across at least 17 countries in 2011 and plans to deliver the Amargosa bauxite Order of Magnitude project to the Rio Tinto Alcan product group at the end of the year. Reinvigorating early stage target generation will continue to be a priority to drive sustained exploration success.
Divestment of Tier 2 assets will continue where real value can be realised, with a target of 50 per cent of the annual greenfield exploration budget being returned to the Group.
The next crop of potential discoveries:
             
Project   Commodity   Country   Stage
 
Amargosa
  Bauxite   Brazil   Order of Magnitude
Sanxai
  Bauxite   Laos   Project of Merit
 


         
Progress of a project
 
       
The evolution of a project from target generation to investment approval, implementation and commissioning involves a series of study stages that can take ten to 20 years. Sustainable development critera are applied throughout the project development cycle.

Early stages of work are broadly termed exploration and are the responsibility of the Exploration group. These stages deliver a progressive increase in confidence in the technical and economic parameters used to determine whether a project satisfies Rio Tinto’s investment criteria.

Target generation and testing involves the progression from concept to demonstration of mineralisation at a prospect. A Project of Merit is defined where mineralisation has been identified
  through drilling to be of a grade and quantity sufficient to be of economic interest by analogy with peer deposits currently in production.

Projects which attract the support of the relevant Rio Tinto product group are progressed to Order of Magnitude Study. This involves an assessment of a range of options to establish economic viability of the project, and determine whether its potential value is sufficient to justify committing significant resources to a detailed study programme. Any potential “showstoppers” are identified during this stage.

A successful Order of Magnitude Study results in the declaration of a discovery and the transfer of project management from the Exploration group to the relevant Rio Tinto product group. Further
  work on these projects is broadly defined as evaluation.

The two main evaluation study phases are Pre-feasibility and Feasibility Studies. Pre-feasibility involves an evaluation of project options, yielding a far clearer understanding of the preferred project concept and key value drivers. The Feasibility Study sees the focus switch to optimisation and engineering of a single scenario identified through the Pre-feasibility Study. This finally freezes the scope of the project to be constructed.
 
       
Opportunities are tested and screened by several different stages of work
 
       
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Technology & Innovation
A strategic commitment driving competitive advantage
 

Technology & Innovation (T&I) consists of a central team of technology professionals and a number of technology centres that develop leading practice and promote improvements in mining, processing, asset management, strategic production planning, energy use, and project development, execution and evaluation. Emphasis is given to shared and visible measures of operational effectiveness, the improvement of analytical tools and development of staff capabilities.
Most work is focused on improving current technologies and operations. In addition, the Innovation Centre focuses on technology step changes that will confer competitive advantage in development of orebodies likely to be available to the Group in the future. The Energy & Climate Strategy Centre focuses on improving the Group’s use of energy, reducing greenhouse gas emissions and understanding the effects of climate change on the Group’s operations and prospects.
The total number of employees in T&I increased from 267 at 31 December 2009 to 538 at 31 December 2010 primarily due to an increase of demand for the design and build of major projects on behalf of the Group business units.
Strategy
T&I’s strategy is to:
  Maintain and promote a safe working environment.
 
  Continue to embed operational excellence in business units.
 
  Maximise the contribution of technology to the Group’s vision of industry leadership.
 
  Deploy technology solutions that increase earnings.
 
  Design and build valuable new investment projects.
 
  Position the Group to unlock orebodies that require innovative mining solutions.
 
  Lead the Group’s response to climate change.
Safety
T&I is committed to the safe operation of its facilities and to the safe deployment of its personnel. Starting in 2009, the safety results reflect the inclusion of development projects managed by T&I. The all injury frequency rate for T&I and projects in 2010 is 0.72 compared to 0.87 in 2009.
Performance
Key achievements
The Improving Performance Together (IPT) engagements continue to work with operating sites on operating improvements. In 2010 this collaborative effort delivered in excess of US$1 billion pre-tax cash flow. This was achieved by, for example, assisting in the debottlenecking of the iron ore operations in the Pilbara, through improved equipment availability and concentrator throughput at Kennecott and maintenance cost reduction at Rio Tinto Alcan operations.
The Innovation group achieved several milestones during 2010 including the following:
  Successful movement of 31 million tonnes of iron ore with the Autonomous Haul System fleet demonstrating higher than planned productivity.
 
  First flight of the VK1 airborne gravity instrument.
 
  Deployment of the remote command vehicle, which is capable of managing up to three blast hole drills with one operator in non line of sight mode.
  Accelerated progression of the first tunnel boring machine which will be commissioned at Northparkes mine in early 2012.
 
  Successful trial of an innovative flotation control system at Kennecott Utah Copper demonstrating improved recovery.
The T&I gross cost in 2010 was US$214 million, compared with US$134 million in 2009 and US$158 million in 2008.
Innovation
The Innovation group identifies, evaluates and implements value accretive step change mining technologies with Group wide application.
Some of the Innovation initiatives and programmes included:
  The strategic Mine of the Future™ programme, interlinking projects delivering improvements in productivity, cost, product quality and mining technology.
 
  The Rio Tinto Centre for Underground Mine Construction, which will focus on rapid mine construction, rock mass behaviour controls, and innovative ground support for future Rio Tinto underground mines.
 
  The development of step change technologies to support the safe rapid development of large underground block cave mines.
 
  The development and deployment of autonomous blast hole drilling technologies, currently operating in the Pilbara with potential for Group wide implementation.
 
  The surface Mine of the Future™ programme which focuses on operating the first significantly autonomous iron ore mine by combining autonomous drilling, semi-autonomous blast loading with autonomous trucks, and a wide range of advanced sensing and telecommunications technologies.
Energy & Climate Strategy
The Energy & Climate Strategy team (E&CS) leads the Group’s response to the challenges of climate change and the inter-related topic of energy management. The team engages with the operating businesses, governments and other stakeholders on the design of climate and energy policy, manages the Group’s carbon capture and storage (CCS) and develops internal strategies to evaluate energy supply options, secure energy supply, and to reduce energy usage and greenhouse gas (GHG) emissions.
In addition, E&CS actively supports the development of legislation and regulation through direct engagement with governments and involvement in advocacy groups such as the US Climate Action Partnership.
Mineral Technology Services
The Mineral Technology Services Centre comprises a team of technology professionals deployed from five regional offices in North America, Australia and the UK. The team works with operating sites to deliver substantial increases in value; with project teams to determine the optimum value adding project plan; and with the broader Group to understand and manage major technical risks. The team provides support in the areas of geology, geotechnics, mining, mineral processing, hydrometallurgy, process control, asset management, environment and business analysis.
The Centre is also responsible for implementing IPT processing, a structured methodology designed to increase the value delivered by Rio Tinto’s processing operations. IPT processing includes focused data analysis to understand and address the constraints and variability which inhibit process performance. IPT processing


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continues to generate value across the Group, delivering over US$350 million in pre-tax cash flow benefits in 2010.
Asset Management
The Asset Management Centre concentrates on the effective selection and use of equipment for the Group’s mining and processing operations. Work included the implementation of asset management standards and guidelines, as well as standard business processes and fit for purpose technical operating systems, work practices and global metrics to monitor the performance of fixed plant and heavy mobile equipment.
The Asset Management IPT programme continued to deliver robust results in 2010, supporting business units to realise over US$400 million in pre-tax cash flow benefits.
Mining Technology
The focus of the Mining Technology Centre is to establish leading practice and develop, share and implement Group wide solutions in the core mining production processes of surface mining, underground mining, strategic resource development, resource and reserve estimation, orebody knowledge and mine planning. The Centre also oversees the Group’s resource and reserves estimation and reporting process, reserves and resources audit process and core technical systems. IPT mining initiatives in 2010 included payload management, drill and blast and off road tyre demand reduction. The IPT programme for mining technology continued to deliver strong results in 2010 and assisted business units in realising over US$180 million in pre-tax cash flow benefits.
The Mining Technology Centre also includes a Strategic Production Planning (SPP) team, which focuses on developing and establishing leading practice. SPP teams co-operate with business units to develop comprehensive plans and valuations of strategic resource development options. Results from SPP provide a logical resource development framework for more detailed studies and investment decision making. SPP engagements completed during the year increased the life of mine valuation of a number of existing mining businesses and supported expansion based investment proposals.
Project Development & Implementation
The Project Development & Implementation Centre (PDI) provides guidance, support and training for all aspects of capital projects, performs a governance function by conducting project reviews, manages feasibility studies, and executes capital projects on behalf of the business units. During 2010 PDI commenced resourcing for, and implementation of, a global operating model in preparation for implementation of projects in nearly all continents and on behalf of all product groups. The model provides for a Project Management support function as well as Implementation Hubs focused on supporting the product groups. In 2010 it was responsible for the progression of the Argyle Diamonds underground project, Kestrel mine extension, Yarwun 2 project, the feasibility study for the Energy Resources of Australia heap leach project and the Eagle nickel project in Michigan. PDI also provided support and advice to most other major projects in a year when the Group recommenced or accelerated projects that were suspended during 2008 and 2009. Additionally, the operation of the Clermont coal mine project was successfully handed over to Rio Tinto Coal Australia. During 2010, the Centre continued to make improvements in overall safety performance at these projects.
Technical Evaluation Group
The Technical Evaluation Group (TEG) ensures that Rio Tinto’s investment decisions are based on independent, technical review and evaluation. TEG also provides advice on the adequacy of risk identification and management at key points in the project approvals process.
Outlook
In 2011 T&I will continue to maintain a culture that places a high priority on safety and safety improvements. T&I will continue to work with Group businesses to deliver measurable increases in earnings and will continue to assist from a technology viewpoint in the selection of the most attractive investment opportunities. It will continue to focus on the safe and efficient implementation of projects and will build systems to support management of projects across the Group. The pursuit of the Mine of the Future™ programme and the development of innovative alliances and relationships that will create competitive advantage for the Group remain a significant focus. T&I will also focus on delivering improvements in the Group’s energy efficiency, long term business decarbonisation options, compliance processes and performance, and carbon markets participation. T&I will look to significantly increase staff levels as the business environment continues to improve and the need for highly skilled technical employees increases.


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Financial review
 

2010 financial performance compared with 2009
In order to provide additional insight into the performance of its business, Rio Tinto presents underlying earnings.
2010 underlying earnings of US$13,987 million and net earnings of US$14,324 million were US$7,689 million above and US$9,452 million above the comparable measures for 2009. The principal factors explaining the movements are set out in the table below.
                         
            Underlying     Net  
            earnings     earnings  
Changes from 2009 to 2010           US$m     US$m  
 
2009
            6,298       4,872  
Prices
    9,505                  
Exchange rates
    (1,171 )                
Volumes
    782                  
General inflation
    (253 )                
Energy
    (232 )                
Other cash costs
    (445 )                
Exploration and evaluation costs
(including disposals of undeveloped
   properties)
    (690 )                
Interest, tax, other
    193                  
 
                     
 
        7,689     7,689  
Gain on consolidation of
   Oyu Tolgoi LLC
                    531  
Profits less losses on disposal of
                    (325 )
interests in business
                       
Net impairment charges
                    716  
Exchange differences and derivatives
                    401  
Chinalco break fee
                    182  
Restructuring costs from global
   headcount reduction
                    231  
Other
                    27  
 
2010
            13,987       14,324  
 
(a)   See note 2 on page 182 of the 2010 financial statements for a reconciliation of underlying earnings to net earnings.
Prices
The effect of price movements on all major commodities in 2010 was to increase underlying earnings by US$9,505 million compared with 2009. Average annual prices improved for nearly all of Rio Tinto’s major commodities: copper prices were up 47 per cent, molybdenum prices were up 45 per cent, gold prices were up 26 per cent and aluminium prices were 31 per cent higher than 2009. Demand and prices for diamonds and minerals improved significantly as the worldwide economy emerged from the global financial recession.
Commodity prices and other drivers of sales revenue of individual product groups are discussed further in this section on pages 69 to 71.
Exchange rates
There was significant movement in the US dollar in 2010 relative to the currencies in which Rio Tinto incurs the majority of its costs. Compared with 2009, on average, the US dollar weakened by 16
per cent against the Australian dollar and by ten per cent against the Canadian dollar. The effect of all currency movements was to decrease underlying earnings relative to 2009 by US$1,171 million.
Volumes
Higher sales volumes were primarily generated from the expanded iron ore operations in the Pilbara region of Western Australia running at above nameplate capacity and an increased proportion of higher margin pellet sales at IOC. The Aluminium group benefited from higher sales of value added aluminium products. Increased volumes of hard coking coal following new investment in heavy mobile equipment at the Queensland mines, higher refined gold and molybdenum at Kennecott Utah Copper and a significant recovery in diamonds and minerals market demand also contributed to the positive variance. These increases offset lower copper and gold volumes at Grasberg which were impacted by lower ore grades and lower mill throughput. The overall impact of volume movements was an increase in underlying earnings of US$782 million relative to 2009.
Energy, other cash costs and exploration
Higher energy costs across the Group, in particular for Aluminium, reduced underlying earnings by US$232 million. This primarily reflected low snow and rain levels in the Saguenay region of Quebec during the first half of 2010 which led to reduced power generation, resulting in the need to purchase additional power under a specially negotiated power block from the provincial utility over a 12 month period.
Higher other cash costs during 2010 decreased underlying earnings by US$445 million compared with 2009. Higher unit cash costs in the Copper group were the result of the planned smelter shutdown and lower copper production following lower grades at most of the operations. Adverse weather conditions and higher stripping rates impacted costs at the Energy group. These were partly offset by lower costs in the Aluminium group, which benefited from lower prices for caustic, pitch and coke.
In 2010, evaluation work accelerated at many of the Group’s projects including the Resolution and La Granja copper projects and the Simandou iron ore project. Two undeveloped coal properties were divested in 2010 resulting in a US$229 million gain on disposal, compared with a gain of US$797 million in 2009 from the disposal of two undeveloped potash properties. The impact from higher exploration and evaluation expenditure combined with lower gains realised from divestments was to lower underlying earnings by US$690 million compared with 2009.
Interest, tax, other
The effective corporate income tax rate on underlying earnings, excluding equity accounted units, was 27.9 per cent compared with 24.8 per cent in 2009. A significant proportion of the increase related to the one-off non-taxable profit on disposal of the potash assets which was recognised in 2009. The Group interest charge was US$110 million lower than in 2009, mainly reflecting lower debt in 2010 following completion of the rights issues and divestments.


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2009 financial performance compared with 2008
2009 underlying earnings of US$6,298 million and net earnings of US$4,872 million were US$4,005 million below and US$1,196 million above the comparable measures for 2008. The principal factors explaining the movements are set out in the table below.
                         
            Underlying     Net  
            earnings     earnings  
Changes from 2008 to 2009           US$m     US$m  
 
2008
            10,303       3,676  
Prices
    (6,879 )                
Exchange rates
    484                  
Volumes
    652                  
General inflation
    (172 )                
Energy
    318                  
Other cash costs
    742                  
Exploration and evaluation costs
(including disposals of undeveloped
   properties)
    890                  
Interest, tax, other
    (40 )                
 
                     
Total changes in underlying earnings
        (4,005 )     (4,005 )
Profits on disposal of interests in businesses
                    (971 )
Net impairment charges
                    6,854  
Exchange differences and derivatives
                    (815 )
Chinalco break fee
                    (182 )
Restructuring/severance costs from
global headcount reduction
                    (174 )
Other
                    489  
 
2009
            6,298       4,872  
 
(a)   See note 2 on page 182 of the 2010 financial statements for a reconciliation of underlying earnings to net earnings.
Prices
The effect of price movements on all major commodities in 2009 was to decrease earnings by US$6,879 million compared with 2008. Prices declined for nearly all of Rio Tinto’s major commodities: average copper and aluminium prices were 28 per cent and 35 per cent lower, respectively, while average molybdenum prices were 65 per cent lower than 2008. Gold prices in 2009 were 11 per cent higher than 2008. Diamond prices were severely impacted by the global economic downturn.
Exchange rates
There was significant movement in the US dollar in 2009 relative to the currencies in which Rio Tinto incurs the majority of its costs. Compared with 2008, on average, the US dollar strengthened by eight per cent against the Australian dollar and by six per cent against the Canadian dollar. The effect of all currency movements was to increase underlying earnings relative to 2008 by US$484 million.
Volumes
Higher sales volumes from the expansion of iron ore capacity in the Pilbara region of Western Australia and higher copper and gold grades at Kennecott Utah Copper and Grasberg were partly offset by production cutbacks at Rio Tinto Alcan, Alcan Engineered Products, Rio Tinto Diamonds, Rio Tinto Iron &
Titanium and Rio Tinto Minerals in response to the economic downturn. The overall impact of volume movements was an increase in underlying earnings of US$652 million relative to 2008.
Energy, other cash costs and exploration
A reduction in cash costs during 2009 increased underlying earnings by US$742 million compared with 2008. Controllable operating cost savings of US$2.6 billion were achieved in 2009, exceeding the target set in December 2008 and delivered one year in advance. Lower unit costs in the Copper group, notably at Kennecott Utah Copper, were driven by higher production and a bottom up cost reduction programme. The Iron Ore group benefited from lower unit cash costs in line with higher sales volumes and a reduction in contractor and maintenance costs. Decreased costs at Rio Tinto Alcan were driven by the major cost cutting initiatives undertaken in response to the global financial crisis including reduction of all non critical, discretionary spend along with programmes to reduce operating costs across the production sites.
Lower energy costs across the Group boosted underlying earnings by a further US$318 million, reflecting the impact of a lower oil price. Evaluation work at many of the Group’s advanced projects was scaled back in 2009 and the central exploration budget was reduced by 60 per cent, which, together with the divestment of some exploration and evaluation properties, resulted in a favourable impact to underlying earnings of US$890 million compared with 2008. In line with Rio Tinto’s exploration policy, a US$797 million gain on disposal of the undeveloped potash properties in Argentina and Canada was recognised within underlying earnings. This forms part of the exploration variance in the table above net of the US$483 million gain on disposal of the undeveloped Kintyre uranium project in 2008.
Interest, tax, other
The effective tax rate on underlying earnings, excluding equity accounted units, was 24.8 per cent compared with 31.6 per cent in 2008. The decrease largely related to the one-off non taxable profit on disposal of the potash assets which was recognised in 2009, and by an increase in foreign currency exchange losses arising from revaluation of tax bases for Canadian companies with US$ functional currencies. The Group interest charge was US$446 million lower than in 2008, mainly reflecting a decline in interest rates, and lower debt in 2009 following completion of the rights issues.


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Financial review continued
 

Exclusions from underlying earnings 2008–2010
Earnings contributions from Group businesses and business segments are based on underlying earnings. Amounts excluded from net earnings in arriving at underlying earnings are summarised in the discussion of year on year results below.
                         
    2010     2009     2008  
    US$m     US$m     US$m  
 
Gain on consolidation of
                       
   Oyu Tolgoi LLC
    531              
Profit less losses on disposal of
   interest in business
    174       499       1,470  
Net impairment charges(a)
    (836 )     (1,552 )     (8,406 )
Exchange differences and gains/
   (losses) on derivatives
    429       28       843  
Chinalco break fee(b)
          (182 )      
Restructuring/severance costs from
   global headcount reduction
          (231 )     (57 )
Other exclusions
    39       12       (477 )
 
Total excluded in arriving at
underlying earnings
    337       (1,426 )     (6,627 )
 
(a)   Net impairment charges include impairment charges of US$739 million (2009: US$1,103 million; 2008: US$7,579 million) and loss after tax of discontinued operations of US$97 million (2009: US$449 million; 2008: US$827 million).
 
(b)   The Chinalco break fee was US$195 million pre-tax.
2010
Rio Tinto consolidated Oyu Tolgoi LLC on 15 December 2010 following the signing of a new agreement with Ivanhoe Mines. The US$531 million gain arising on consolidation represents the excess of the provisional fair value ascribed to the Group’s indirect share of the assets and liabilities of Oyu Tolgoi LLC over the historic cost of acquiring that share through its investment in Ivanhoe Mines.
Profits on the disposal of businesses in 2010 relate primarily to the sale of the Group’s remaining 48 per cent interest in Cloud Peak Energy Inc.
The 2010 impairment charge of US$739 million related mainly to the Alcan Engineered Products businesses. On 5 August 2010 the Group received a binding offer for the sale of 61 per cent of Alcan Engineered Products, excluding the Cable division, to certain investment funds affiliated with Apollo Global Management, LLC (Apollo) and the Fonds Stratégique d’Investissement. The divestment was completed on 4 January 2011. The terms of the transaction are confidential. Following completion, Rio Tinto holds a 39 per cent stake and will treat its interest as an equity accounted unit.
Loss after tax from discontinued operations of US$97 million (inclusive of divestment costs) relates to the completion of the disposal of Alcan Packaging global Pharmaceuticals, global Tobacco, Food Europe and Food Asia divisions to Amcor on 1 February 2010, and the Alcan Packaging Food Americas division to Bemis Company Inc. on 1 March 2010.
2009
In 2009, the Group completed the divestments of its interests in the Ningxia aluminium smelter, the Corumba iron ore operation, the Jacobs Ranch coal mine, Alcan Composites and the sale of 52 per cent of the Group’s interest in Cloud Peak Energy Resources LLC. Net gains on these transactions totalling US$0.5 billion were excluded from underlying earnings as divestments of interests in businesses are considered to be outside the underlying activities of the Group.
Of the Group’s total post-tax impairment charge of US$1,103 million, US$500 million related to Alcan Engineered Products, US$212 million related to the Group’s aluminium businesses and US$348 million related to the Group’s diamond businesses.
An impairment of US$318 million relating to the Alcan Packaging businesses was recognised during the year, and was included within “loss after tax of discontinued operations”.
All impairments were measured based upon an assessment of fair value less costs to sell. These impairments were caused by continued weakness in the economic environment.
In 2009, Rio Tinto paid a break fee of US$195 million (US$182 million post-tax) to Chinalco which was excluded from underlying earnings.
During 2009, the Group incurred restructuring and severance costs of US$231 million associated with its global headcount reduction programme.
2008
Profit on disposal related to the disposal of the interests in the Cortez gold mine and the Greens Creek silver/zinc/lead mine. During 2008 the Group incurred advisory and other costs related to the rejection by the board of the pre-conditional takeover proposal from BHP Billiton which was withdrawn in November. These costs totalled US$270 million (net of tax) in 2008 and were excluded from underlying earnings. Other charges excluded from underlying earnings comprised costs relating to non recurring acquisitions, disposals and similar corporate projects.
The Group’s total post-tax impairment charge of US$7,579 million related mainly to the Group’s aluminium businesses: US$6,127 million, and Engineered Products: US$980 million. The acquisition price of Alcan anticipated significant growth in smelter and refinery capacity, but following the significant weakening in economic and market circumstances during 2008, many of these growth projects were deferred. These deferrals, together with the weak economic environment and increases in input costs, resulted in the impairment charge.
In measuring the amount of the impairment, the Group compared the carrying value of the upstream aluminium business with its value in use, assessed using discounted cash flow techniques. This followed the requirements of accounting standards as, in the Group’s view, the upstream aluminium business’ fair value less cost to sell was lower than its value in use. For the purposes of the annual goodwill impairment test, goodwill was allocated to a group of cash generating units that included both Alcan and the aluminium activities previously owned by Rio Tinto which were managed as a single business following the acquisition.
The impairment charge did not trigger the covenant under the Alcan acquisition facilities, which required that the ratio of net debt to underlying EBITDA be no greater than 4.5 times.
An impairment of discontinued operations of US$827 million relating to Packaging was recognised outside of underlying earnings. As required by IFRS 5 — Non-current Assets Held-for-Sale and Discontinued Operations, the amount of this impairment was determined by reference to the Group’s best estimate of expected proceeds to be realised on the sale of Packaging, less an estimate of remaining costs to sell. The Packaging business was valued based upon an assessment of its fair value, required because this business was presented as an Asset Held for Sale in the Group balance sheet. Engineered Products was also valued based upon an assessment of its fair value, as the Group’s intention was to sell this group of businesses.


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Exchange differences and gains/(losses) on derivatives of US$843 million related to a gain of US$1.9 billion on Australian dollar intragroup liabilities, held by Group entities with a US dollar functional currency offset by a loss of US$1.7 billion on external US dollar debt held by an entity with an Australian dollar functional currency. The weakening of the Australian dollar against the US dollar, particularly towards the end of 2008, led to these significant movements. The tax on exchange gains and losses included a benefit of US$254 million through recovery of tax relating to the prior years. It also included tax relief for losses on US dollar denominated debt. The pre-tax loss was offset by gains on intragroup balances which were largely not subject to tax.
Net earnings and underlying earnings
Both net earnings and underlying earnings deal with amounts attributable to the owners of Rio Tinto. However, IFRS requires that the profit for the period reported in the income statement should also include earnings attributable to non-controlling interests in subsidiaries. The profit for the period is reconciled to net earnings and to underlying earnings as follows:
                         
    2010     2009     2008  
    US$m     US$m     US$m  
 
Profit from continuing operations
    15,281       5,784       5,436  
Loss after tax from discontinued
   operations
    (97 )     (449 )     (827 )
 
Profit for the year
    15,184       5,335       4,609  
Less: attributable to non-controlling interest
    (860 )     (463 )     (933 )
 
Attributable to owners of Rio Tinto
   (net earnings)
    14,324       4,872       3,676  
Exclusions from underlying earnings
    (337 )     1,426       6,627  
 
Underlying earnings attributable to
   owners of Rio Tinto
    13,987       6,298       10,303  
 
Group financial results by product group 2008-2010
                         
    2010     2009     2008  
    US$m     US$m     US$m  
 
Iron Ore
    10,189       4,126       6,017  
Aluminium
    773       (560 )     1,281  
Copper
    2,534       1,878       1,615  
Energy
    1,187       1,167       2,432  
Diamonds & Minerals
    328       800       474  
Other operations
    71       71       13  
Inter-segment transactions
    (15 )     (28 )     25  
Other items
    (554 )     (577 )     (391 )
Exploration and evaluation
    (52 )     5       (133 )
Net interest
    (474 )     (584 )     (1,030 )
 
Group underlying earnings
    13,987       6,298       10,303  
Exclusions from underlying earnings
    337       (1,426 )     (6,627 )
 
Net earnings
    14,324       4,872       3,676  
 
Sales revenue
Prices
                                       
                2010     2009     2008  
Commodity   Source   Unit     US$     US$     US$  
 
Average prices
                                   
Aluminium
  LME (a)   Tonne     2,173       1,665       2,572  
Copper
  LME   Pound     3.40       2.32       3.20  
Gold
  LBMA   Ounce     1,222       970       872  
Iron ore
  Australian   dmtu  (b)   1.84       1.09       1.29  
 
  fines                                
Molybdenum
  Metals Week:   Pound     16       11       31  
 
  quote for                                
 
  dealer oxide                                
 
  price                                
 
Closing prices (quoted commodities only)
Aluminium
      Tonne     2,459       2,207       1,454  
Copper
      Pound     4.44       3.33       1.32  
Gold
      Ounce     1,410       1,104       865  
Molybdenum
      Pound     16       11       10  
 
(a)   LME cash price
(b)   Dry metric tonne unit
The above table shows published prices for Rio Tinto’s commodities for the last three years where these are publicly available, and where there is a reasonable degree of correlation between the published prices and Rio Tinto’s realised prices. The prices set out in the table are the averages for each of the calendar years, 2008, 2009 and 2010.
The Group’s sales revenue will not necessarily move in line with these published prices for a number of reasons which are discussed below.
The discussion of revenues below relates to the Group’s gross revenue from sales of commodities, including its share of the revenue of equity accounted units (after adjusting for sales to subsidiaries), as included in the financial information by business unit.
Iron Ore
2010 sales revenue compared with 2009
Gross sales revenue for the Iron Ore group increased by 91 per cent in 2010 compared to 2009 driven by strong prices and a nine per cent increase in production. During 2010, iron ore pricing moved to quarterly contracts, reflecting the structural shift away from annual benchmark pricing. First quarter iron ore prices (from 1 January 2011) are based on the average indexed price from 1 September to 30 November 2010. Sales volumes increased in response to growing demand in major markets stimulated by improving economic conditions and delays in capacity from other suppliers.
2009 sales revenue compared with 2008
The sales revenues of the Iron Ore group decreased by 24 per cent in 2009 compared with 2008. During 2009, Rio Tinto settled iron ore supply contracts with customers in Japan, Korea and Taiwan, with prices for fines declining 33 per cent and prices for lump declining 44 per cent on the prior year. Approximately half of the iron ore that Rio Tinto produced in the first six months of 2009 was sold on a spot market basis. In the second half of the year, sales were primarily priced on a benchmark or its equivalent provisional basis.


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Financial review continued
 

Aluminium
2010 sales revenue compared with 2009
The Aluminium group’s sales revenues are from aluminium and related products such as alumina and bauxite. Gross sales revenue in 2010 for the Aluminium group increased by 26 per cent compared to 2009. The 2010 spot aluminium price averaged US$2,173 per tonne, an increase of 31 per cent on 2009. This increase reflects the combination of a robust recovery in end use demand in developed economies and the continued roll over of inventory financing positions amidst a prolonged period of low interest rates.
2009 sales revenue compared with 2008
The 2009 sales revenues of the Aluminium group decreased by 34 per cent against 2008. The average aluminium market price in 2009 was US$1,665 per tonne compared with US$2,572 per tonne in 2008. The decline in LME prices that commenced in mid 2008 continued into 2009, with some improvement in the second half of 2009, resulting in a year-end price of US$2,207 per tonne.
Energy
2010 sales revenue compared with 2009
A significant proportion of Rio Tinto’s coal production is sold under long term contracts. In Australia, the prices applying to sales under the long term contracts are generally renegotiated annually; but prices are fixed at different times of the year and on a variety of bases. For these reasons, average realised prices will not necessarily reflect the movements in any of the publicly quoted prices. Moreover, there are significant product specification differences between mines. Sales volumes will vary during the year and the timing of shipments will also result in differences between average realised prices and published prices.
Gross sales revenue for the Energy group increased by 16 per cent in 2010. Overall average coal prices were lower than in 2009 due to the absence of higher carry over prices from 2008. 2010 saw continuing strength in the seaborne market for Australian coal. Demand for thermal coal continued to be robust from South Korea, India, Taiwan and China. Global steel demand improved in all markets in the first half of the year and led to strong demand for semi-soft coking coal. The market for premium quality hard coking coal remained steady in 2010.
Uranium spot markets were relatively weak early in 2010 but strengthened in the second half of the year, mainly driven by strong demand from China. Long term prices have remained consistent with some small increases in the latter part of the year.
2009 sales revenue compared with 2008
Sales revenues for the Energy group decreased by 16 per cent in 2009 compared with 2008 due to lower realised Australian coal prices, partially offset by an increase in the US thermal coal price. China’s demand for imported coal in 2009 was particularly strong and this supported improved prices by year end, however prices were lower than the records achieved in 2008. Global steel demand was also weak in the first half of 2009 for most markets other than China, but improved in the second half of the year and led to strong demand for coking and semi-soft coking coal. Hard
coking coal production from the Group’s Australian operations was comparable with 2008. Thermal coal contracts for the 2009 fiscal year (12 months commencing 1 April 2009) were settled in the US$70-72 per tonne range, a decrease of approximately 44 per cent on the record levels of the previous year. Coking coal contracts for the 2009 fiscal year were settled in the US$115-130 per tonne range, a decline of approximately 60 per cent on the record levels of the 2008 fiscal year.
Copper
2010 sales revenue compared with 2009
The Copper group also produces gold and molybdenum as significant by-products. Gross sales revenue for the Copper group increased by 25 per cent in 2010 compared to 2009. The Copper group benefited from higher average prices for its major products in 2010. Copper increased 47 per cent to 340 cents per pound, gold increased 26 per cent to US$1,222 per ounce and molybdenum increased 45 per cent to US$16 per pound. The benefit from higher prices in 2010 was partly offset by lower volumes, notably from Grasberg and higher unit cash costs in line with reduced production from lower grades.
At the end of 2010, the group had an estimated 270 million pounds of copper sales that were provisionally priced at US 428 cents per pound. The final price of these sales will be determined during the first half of 2011.
2009 sales revenue compared with 2008
The 2009 average copper price of 232 US cents per pound was 28 per cent below the 2008 average price. The 2009 gold price averaged US$970 per ounce, an increase of 11 per cent on the prior year, whilst the average molybdenum price was US$11 per pound, a decrease of 65 per cent compared with 2008.
Sales revenues for the Copper group in 2009 increased by eight per cent compared with 2008. The effect of provisional pricing of copper sales resulted in a benefit to underlying earnings of US$213 million in 2009, compared to a charge of US$207 million in 2008. At the end of 2009 the Group had 267 million pounds of copper sales that were provisionally priced at 335 US cents per pound. This compared with 183 million pounds of open shipments at 31 December 2008 provisionally priced at 133 US cents per pound.
Diamonds & Minerals
2010 sales revenue compared with 2009
Diamond prices realised by Rio Tinto depend on the size and quality of diamonds in the product mix. Gross sales revenue increased by 16 per cent in 2010 compared to 2009. Sustained demand from emerging markets, which largely offset the slower recovery from the established markets of the US and Europe was reflected in higher prices and increased sales volumes for the Diamonds & Minerals group.
Rough diamond prices demonstrated a robust recovery throughout 2010 as demand from emerging markets, notably India and China, accelerated. Demand for titanium dioxide feedstocks, talc and borates in 2010 continued to demonstrate a healthy recovery in line with improving global economic conditions.


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2009 sales revenue compared with 2008
Revenue from Diamond sales in 2009 decreased by 46 per cent compared with 2008, primarily due to the global economic slowdown, as demand for luxury items decreased. However, there was an improvement in prices for rough diamonds in the latter half of 2009.
Sales revenue for Minerals in 2009 decreased by 27 per cent compared with 2008, due to a decline in demand resulting from the global economic crisis. Prices applying to industrial minerals are generally negotiated with individual customers, based on a variety of factors such as product specification, volumes, etc. Therefore, average realised prices will not necessarily reflect the movements in any publicly quoted prices.
Cash flow
2010 compared with 2009
A full consolidated cash flow statement is contained in the 2010 financial statements. Cash flows from operations, including dividends from equity accounted units, were US$23.5 billion, 70 per cent higher than 2009, primarily as a consequence of higher prices.
Tax paid for 2010 increased to US$4,100 million, US$1,024 million higher than 2009 largely due to the increase in taxable profits. Net interest paid of US$696 million for 2010 was US$440 million lower than 2009, largely due to lower amounts of debt, following a US$8.5 billion repayment of Alcan acquisition facility D at the beginning of the year.
Purchase of property, plant and equipment and intangible assets was US$4.6 billion in 2010, a decrease of US$0.8 billion from 2009. This included the Brockman 4 iron ore mine development in Western Australia, the expansion of the Yarwun alumina refinery, the commissioning of the Clermont thermal coal mine and the extension and expansion of the Kestrel coking coal mine.
Net cash proceeds from disposals and acquisitions in 2010 were US$2,893 million, and related to the disposal of Alcan Packaging businesses and the remainder of Cloud Peak Energy Inc.; partly offset by the payments to acquire an additional 20.62 per cent in Ivanhoe Mines.
Dividends paid in 2010 of US$1.8 billion compared with US$0.9 billion in 2009 reflected the suspension of the 2009 interim dividend.
2009 compared with 2008
Cash flow from operations, including dividends from equity accounted units, was US$13,834 million, 33 per cent lower than 2008, primarily as a consequence of lower prices.
Tax paid in 2009 decreased to US$3,076 million, US$823 million lower than for 2008 largely due to the decrease in taxable profits. Net interest paid of US$1,136 million for 2009 was US$402 million lower than 2008, largely due to lower amounts of debt, following the repayment of part of the US$40 billion Alcan acquisition facility, using the US$14.8 billion net proceeds from the rights issues in July 2009.
Capital expenditure on property, plant and equipment and intangible assets was US$5,388 million in 2009, a decrease of US$3,186 million over 2008. This included the Brockman 4 and Mesa A iron ore mine developments in Western Australia, expansion of the Yarwun alumina refinery, construction of the Clermont thermal coal mine, expansion of the Kestrel coking coal mine, development of the underground diamond mines at Diavik
and Argyle, and completion of the Madagascar ilmenite mine.
Net cash proceeds from disposals and acquisitions in 2009 were US$2,028 million, and related to the disposal of Corumba, Jacob’s Ranch mine and Alcan Composites, together with proceeds from the initial public offering of Cloud Peak Energy Inc. and related transactions, partly offset by payments to acquire an additional 9.8 per cent in Ivanhoe Mines. Net disposals were US$2,563 million in 2008 and related to Cortez, Greens Creek and Alcan’s aerospace service centres business.
Dividends paid in 2009 of US$876 million were US$1,057 million lower than dividends paid in 2008, following the suspension of the interim dividend. Other financing cash flows in 2009 included the net proceeds from rights issues of US$14.8 billion, and net repayments of borrowings of US$16.4 billion compared with US$8.0 billion in 2008.
Statement of financial position
Net debt decreased to US$4.3 billion from US$18.9 billion at 31 December 2009 following the receipt of proceeds from the divestment programme and strong operating cash flows. Net debt to total capital was six per cent at 31 December 2010 and interest cover was 27 times.
Rio Tinto consolidated Oyu Tolgoi LLC on 15 December 2010 following the signing of a new agreement with Ivanhoe Mines. 100 per cent of Oyu Tolgoi LLC’s identifiable assets and liabilities have been recognised in the statement of financial position at fair values estimated with the assistance of an independent third party valuer, together with goodwill. The historic cost of acquiring the Group’s indirect share of Oyu Tolgoi LLC through its investment in Ivanhoe Mines was deducted from Investments in equity accounted units. The Group’s remaining interest in the assets of Ivanhoe that does not relate to Oyu Tolgoi LLC continues to be equity accounted. The transaction generated a non cash gain of US$531 million.
Due to the complexity of the valuation process, and the proximity of the date on which the agreement was signed to the reporting date, fair values on consolidation are provisional and will be subject to further review during the 12 months from the date on which the agreement was effective.
Financial risk management
The Group’s policies with regard to financial risk management are clearly defined and consistently applied. They are a fundamental part of the Group’s long term strategy covering areas such as foreign exchange risk, interest rate risk, commodity price risk, credit risk, liquidity risk and capital management. Further details of our financial risk management are disclosed in note 33 “Financial risk management”, to the 2010 financial statements.
The Group’s 2010 Annual report and financial statements shows the full extent of its financial commitments, including debt. The principal risks and uncertainties, to which the Group is subject, that are thought to be of particular importance are summarised on pages 25 to 28. The effectiveness of internal control procedures continues to be a high priority in the Rio Tinto Group. The board’s statement on internal control is set out on page 125.
Capital management and dividends

The Group’s total capital is defined as equity attributable to owners of Rio Tinto, equity attributable to non-controlling interests and net debt, as shown on the next page:


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Financial review continued
 

Total capital
                 
    2010     2009  
    US$m     US$m  
 
Equity attributable to owners of Rio Tinto
    58,333       43,831  
Equity attributable to non-controlling
interests
    6,941       2,094  
Net debt (note 24)
    4,284       18,861  
Total capital
    69,558       64,786  
 
The Group’s overriding objectives when managing capital are to safeguard the business as a going concern; to maximise returns for shareholders and benefits for other stakeholders; and to maintain an optimal capital structure in order to provide a high degree of financial flexibility at the lowest cost of capital. A key objective of the Group is to achieve and maintain a single A credit rating. The board and senior management regularly review the capital structure of the Group taking account of strategic priorities and conditions within which the Group operates.
The Group’s capital management objectives allow it to selectively invest at all points of the commodities cycle, both in the Group’s own existing growth projects, and other opportunities that may arise, whilst providing a shareholder return.
Net debt reduced from US$18.9 billion to US$4.3 billion at 31 December 2010 following strong cash flows from operations, and the debt maturity profile was improved in October 2010 by raising US$2 billion in bonds with five, ten and 30 year maturities. The proceeds were used in a successful tender for US$1.9 billion of bonds due in 2013.
Net debt at 31 December 2010 was made up principally from borrowings of US$14.3 billion, offset by US$9.9 billion in cash and cash equivalents. The proportion of net debt to total capital stood at 6.2 per cent at 31 December 2010 compared with 29.1 per cent at 31 December 2009. In February 2011, as part of the Group’s capital management programme, a share buy-back of US$5 billion was announced which, subject to market conditions, is planned to be completed by the end of 2012.
Rio Tinto has a progressive dividend policy which aims to increase the US dollar value of ordinary dividends over time, taking into account the results for the past year and the outlook. Under the dividend policy, the interim dividend is set at one half of the total ordinary dividend for the previous year and the final ordinary dividend is expected to be at least equal to the previous interim dividend.
Dividends paid on Rio Tinto plc and Rio Tinto Limited shares are equalised on a net cash basis; that is without taking into account any associated tax credits. Dividends are determined in US dollars. Details relating to the payment of dividends in sterling, Australian dollars and other currencies and on the payment of dividends to holders of American Depositary Receipts (ADRs) are included in the shareholder information on page 262.
The Group’s major capital projects are listed on pages 76 to 77.
Liquidity and capital resources
Details of our Liquidity and Capital risk management are contained within note 33 “Financial risk management”, part (v), to the 2010 financial statements.
We expect that contractual commitments for expenditure, together with other expenditure and liquidity requirements will be met from internal cash flow and, to the extent necessary, from the existing facilities described in note 33 “Financial risk management”, part (v), to the 2010 financial statements.
Treasury management and financial instruments
Details of our Treasury management and financial instruments are contained within the introductory paragraphs of note 33 “Financial risk management”, to the 2010 financial statements.
Foreign exchange
The following sensitivities give the estimated effect on underlying earnings assuming that each exchange rate moved in isolation. The relationship between currencies and commodity prices is a complex one and movements in exchange rates can cause movements in commodity prices and vice versa. Where the functional currency of an operation is that of a country for which production of commodities is an important feature of the economy, such as the Australian dollar, there is a certain degree of natural protection against cyclical fluctuations, in that the currency tends to be weak, reducing costs in US dollar terms, when commodity prices are low, and vice versa.
Earnings sensitivities – exchange rates
                 
          Effect on net and underlying  
    Average exchange     earnings of 10% change in  
    rate for 2010     full year average  
    US cents     +/- US$m  
 
Australian dollar
    92       604  
Canadian dollar
    97       194  
Euro
    133       29  
Chilean peso
  US$1 = 510 pesos       23  
New Zealand dollar
    72       19  
South African rand
    14       54  
UK sterling
    155       18  
 
The exchange rate sensitivities quoted above include the effect on operating costs of movements in exchange rates but exclude the effect of the revaluation of foreign currency financial assets and liabilities. They should therefore be used with care.
Further details of our exposure to foreign currency fluctuations and currency derivatives, and our approach to currency hedging, are contained within note 33 “Financial risk management”, part (i), to the 2010 financial statements.
Interest rates
Details of our exposure to interest rate fluctuations are contained within note 33 “Financial risk management”, part (ii), to the 2010 financial statements.


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Commodity prices
The approximate effect on the Group’s underlying and net earnings of a ten per cent change from the full year average market price in 2010 for the following products would be:
Earnings sensitivities – commodity prices
                                
                  Effect on underlying  
            Average market     and net earnings of 10%  
            price for 2010     change in full year average  
    Unit   US$     +/- US$m  
 
Copper
  Pound     3.40       349  
Aluminium
  Tonne     2,173       650  
Gold
  Ounce     1,222       73  
Molybdenum
  Pound     16       31  
Iron ore
  dmtu           1,343  
Thermal and
coking coal
  Tonne           207  
 
The sensitivities give the estimated impact on net earnings of changes in prices assuming that all other variables remain constant. These should be used with care. As noted previously, the relationship between currencies and commodity prices is a complex one and changes in exchange rates can influence commodity prices and vice versa.
Further details of our exposure to commodity price fluctuations are contained within note 33 “Financial risk management”, part (iii), to the 2010 financial statements.
Credit risks
Details of our exposure to credit risks relating to receivables, financial instruments and cash deposits, are contained within note 33 “Financial risk management”, part (iv), to the 2010 financial statements.
Disposals and acquisitions
Information regarding disposals and acquisitions is provided in note 41 “Purchases and sales of subsidiaries, joint ventures, associates and other interests in businesses”, to the 2010 financial statements and on page 226.
Critical accounting policies and estimates
Many of the amounts included in the financial statements involve the use of judgment and/or estimation. These judgments and estimates are based on management’s best knowledge of the
relevant facts and circumstances, having regard to previous experience, but actual results may differ from the amounts included in the financial statements.
Information about such judgments and estimation is contained in note 1 “Principal accounting policies” to the 2010 financial statements, and/or the other notes to the 2010 financial statements. The key areas are listed below.
  Dual listed company reporting
 
  Asset carrying values
 
  Asset lives
 
  Ore reserve estimates
 
  Close down, restoration and clean up obligations
 
  Overburden removal costs
 
  Deferred tax on fair value adjustments
 
  Exploration
 
  Functional currency
 
  Underlying earnings
 
  Post retirement benefits
 
  Deferred tax potentially recoverable on Group tax losses
 
  Contingencies
 
  Acquisition accounting
Off balance sheet arrangements and
contractual commitments
The table below presents information in relation to our material off balance sheet arrangements, principally contingent liabilities, commitments for capital expenditure and other expenditure, and commitments under operating leases at 31 December 2010. Information regarding the Group’s pension commitments and funding arrangements is provided in note 50 to the 2010 financial statements. Information regarding the Group’s closedown and restoration obligations is provided in note 27 to the 2010 financial statements.
We expect that these contractual commitments for expenditure, together with other expenditure and liquidity requirements will be met from internal cash flow and, to the extent necessary, from the existing facilities.


                                         
    < 1 yr     1 – 3 yrs     3 – 5 yrs     > 5 yrs     Total  
At 31 December 2010   US$m     US$m     US$m     US$m     US$m  
 
Expenditure commitments in relation to:
                                       
Operating leases
    507       854       561       1,107       3,029  
Other (capital commitments)
    5,219       2,264       90             7,573  
 
 
    5,726       3,118       651       1,107       10,602  
 
Long-term debt and other financial obligations:
                                       
Debt
    1,066       1,789       3,570       7,783       14,208  
Interest payments
    705       1,472       1,136       4,166       7,479  
Unconditional purchase obligations
    2,295       2,934       2,515       10,156       17,900  
Other
    297       400       35       48       780  
 
 
    4,363       6,595       7,256       22,153       40,367  
 
Total
    10,089       9,713       7,907       23,260       50,969  
 


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Five year review
 

Selected financial data
The selected consolidated financial data below has been derived from the historical audited consolidated financial statements of the Rio Tinto Group. The selected consolidated financial data should be read in conjunction with, and qualified in their entirety by reference to, the 2010 financial statements and notes thereto. The financial statements as included on pages 157 to 256 have been prepared in accordance with International Financial Reporting Standards both as adopted by the EU (“EU IFRS”) and as issued by the International Accounting Standards Board (“IFRS”).
Rio Tinto Group
Income statement data
                                         
For the years ending 31 December   2010     2009     2008     2007     2006  
Amounts in accordance with IFRS   US$m     US$m     US$m     US$m     US$m  
     
Consolidated sales revenue
    56,576       41,825       54,264       29,700       22,465  
Group operating profit (a)
    19,694       7,506       10,194       8,571       8,974  
 
                                       
Profit for the year from continuing operations
    15,281       5,784       5,436       7,746       7,867  
Loss after tax from discontinued operations
    (97 )     (449 )     (827 )            
     
Profit for the year
    15,184       5,335       4,609       7,746       7,867  
 
                                       
Basic earnings per share (b)
                                       
Profit from continuing operations (US cents)
    735.4       301.7       286.8       464.9       456.2  
Loss after tax from discontinued operations (US cents)
    (4.9 )     (25.5 )     (52.7 )            
     
Profit for the year per share (US cents)
    730.5       276.2       234.1       464.9       456.2  
 
                                       
Diluted earnings per share (b)
                                       
Profit from continuing operations (US cents)
    731.1       300.7       285.5       462.9       454.3  
Loss after tax from discontinued operations (US cents)
    (4.9 )     (25.4 )     (52.4 )            
     
Profit for the year per share (US cents)
    726.2       275.3       233.1       462.9       454.3  
     
 
                                       
Dividends per share
    2010       2009       2008       2007       2006  
     
Dividends declared during the year (b)
                                       
US cents
                                       
– interim
    45.0             55.6       42.5       32.7  
– final
    63.0       45.0       55.6       68.7       52.3  
UK pence
                                       
– interim
    28.2             29.6       20.9       17.5  
– final
    39.1       28.8       37.9       35.3       26.7  
Australian cents
                                       
– interim
    49.3             63.3       49.6       42.9  
– final
    61.9       51.6       83.0       76.1       67.8  
 
                                       
Dividends paid during the year (US cents) (b)
                                       
– ordinary and special
    90.0       55.6       124.3       94.8       156.7  
 
                                       
Weighted average number of shares – basic (millions) (b)
    1,961.0       1,763.6       1,570.1       1,572.9       1,630.5  
Weighted average number of shares – diluted (millions) (b)
    1,972.6       1,769.6       1,577.3       1,579.6       1,637.1  
     
Statement of financial position
 
                            Restated  (c)      
As at 31 December   2010     2009     2008     2007     2006  
Amounts in accordance with IFRS   US$m     US$m     US$m     US$m     US$m  
     
Total assets
    112,402       97,236       89,616       101,091       34,494  
Share capital/premium
    10,105       9,344       5,826       3,323       3,190  
Total equity/net assets
    65,274       45,925       22,461       26,293       19,385  
     
Equity attributable to owners of Rio Tinto
    58,333       43,831       20,638       24,772       18,232  
     
(a)   Group operating profit under IFRS includes the effects of charges and reversals resulting from impairments and profit and loss on disposals of interests in businesses. Group operating profit amounts shown above exclude equity accounted operations, finance items, tax and discontinued operations.
 
(b)   The rights issues completed in July 2009 were at a discount to the then market price. Accordingly, earnings per share and dividends per share for all periods up to the date on which the shares were issued were adjusted for the bonus element of the issue. The bonus factor for Rio Tinto plc was 1.2105 and for Rio Tinto Limited was 1.2679.
 
(c)   The 31 December 2007 balance sheet has been restated for the revisions to Alcan’s fair value accounting which were finalised in 2008.


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Acquisitions and divestments

 
During 2010 Rio Tinto acquired an additional interest in Ivanhoe Mines and completed asset sales totalling US$4.2 billion. Since 2008, Rio Tinto has completed divestments in excess of US$11 billion.
Acquisitions
             
Asset   Cost US$m     Status
 
Acquired in 2011
           
 
Copper – Ivanhoe Mines
    751     Participation in the strategic rights offering and purchase of additional shares increasing the Group’s holding to 42.1%
 
 
           
Acquired in 2010
           
 
Copper – Ivanhoe Mines
    1,588     Purchases of additional shares, maturing of convertible debt facility and exercise of Series A and B warrants increasing the Group’s holding to 40.3% as at 31 December 2010. Rio Tinto consolidated Oyu Tolgoi LLC on 15 December 2010 following the signing of a new agreement with Ivanhoe Mines.
 
 
           
Acquired in 2009
           
 
Copper – Ivanhoe Mines
    388     The purchase of an additional 9.8% interest increasing the Group’s total holding to 19.7%
 
 
           
Acquired in 2008
           
 
None
         
 
Divestments
 
Asset   Proceeds US$m     Status
 
Divested in 2011
           
 
Alcan Engineered Products
  Undisclosed     Sold 61 per cent to investment funds affiliated with Apollo Global Management, LLC (Apollo) and the Fonds Stratégique d’Investissement (FSI)
 
 
           
Divested in 2010
           
 
Energy – Cloud Peak
    573     Secondary public offering
 
Alcan Packaging – Beauty
  Undisclosed     Sold to Sun European Partners LLP
 
Alcan Packaging – Medical Flexibles
    66     Sold to Amcor
 
Alcan Packaging – Food Americas
    1,200     Sold to Bemis Company Inc.
 
Energy – Maules Creek (Rio Tinto: 75.7%)
    427     Sold to Aston Resources
 
Energy – Vickery (Rio Tinto: 75.7%)
    28     Sold to Whitehaven Coal
 
Alcan Packaging – global Pharmaceuticals,
           
global Tobacco, Food Europe and Food Asia
    1,948     Sold to Amcor
 
Sundry asset sales
    57     Sale of assets including Ghana Bauxite Company, Brockville Specialty Alumina Plant and Rawhide Mine
 
 
           
Divested in 2009
           
 
Energy – Jacobs Ranch
    764     Sold to Arch Coal, Inc
 
Iron Ore – Corumbá mine
    814     Sold to Vale
 
Diamonds & Minerals – Exploration
           
projects in Argentina and Canada
    850     Sold to Vale
 
Aluminium – Ningxia smelter
           
(Rio Tinto: 50%)
    125     Sold to Qingtongxia Aluminium Group
 
Exploration – sundry assets
    68     Sold to multiple parties
 
Energy – Cloud Peak
    741     IPO and connected debt offering
 
Alcan Engineered Products – composites
    349     Sold to Schweiter Technologies
 
 
           
Divested in 2008
           
 
Energy – Kintyre project
    495     Sold to a joint venture
 
Copper – Greens Creek mine (Rio Tinto: 70%)
    750     Sale completed to Hecla Mining, the Group’s minority partner
 
Copper – Cortez Joint Venture
          Sold to Barrick Gold, the Group’s majority partner, for cash plus a deferred
(Rio Tinto: 40%)
    1,695     bonus payment and contingent royalty interest
 
Exploration – sundry assets
    134     Sold to multiple parties
 


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Capital projects
 

Capital and major evaluation projects
               
    Approved capital    
Project   cost (100%) US$   Status/milestones
 
Ongoing
       
 
Alumina – expansion of Yarwun alumina refinery
from 1.4 million tonnes per year (mtpa) to 3.4mtpa.
  1.9bn   Approved in July 2007, the co-generation plant was commissioned in September 2010 and the ship unloader was commissioned in November 2010. Completion is expected in August 2012.
 
Aluminium – construction of a new 225MW turbine at Shipshaw power station, Saguenay, Quebec, Canada.
  228m   Approved in 2008, the project remains on budget and on track to be completed by December 2012.
 
Coking coal – extension and expansion of Kestrel mine (Rio Tinto share 80%).
  1.1bn   The investment will extend the life of the mine to 2031 and increase production to an average of 5.7mtpa (million tonnes per annum). Extension expected to come on stream in late 2012/early 2013.
 
Copper – construction of phase one of Oyu Tolgoi copper and gold mine in Mongolia(a).
  5.9bn   Rio Tinto consolidated Oyu Tolgoi LLC on 15 December 2010 following the signing of a new agreement with Ivanhoe Mines. First ore production is forecast to commence in late 2012 with an initial throughput of 100,000 tonnes of ore per day.
 
 
       
Approved/restarted in 2010/2011
       
 
Molybdenum – investment in phases one and two of Molybdenum Autoclave Process (MAP) project to enable lower grade concentrate to be processed more efficiently than conventional roasters and allow improved recoveries.
  340m   First approved in June 2008, the project was put on hold. Approval was given in April 2010 to restart the project. First production from phase 1 is anticipated in the fourth quarter of 2012 and full capacity of 30 million pounds per annum is scheduled for fourth quarter 2013. The phase 2 expansion to 60 million pounds per annum is anticipated to be completed in the first quarter of 2015.
 
Iron ore – expansion of Iron Ore Company of Canada’s concentrate capacity (Rio Tinto: 58.7%).
  401m   Initially approved in March 2008, the project recommenced in May 2010 (Rio Tinto share US$235m). It is projected to expand concentrate capacity by 4mtpa to 22mtpa by 2012 with options to expand further to 26mtpa.
 
Nickel – construction of the Eagle nickel and copper mine in Michigan (US).
  469m   Approved in June 2010, first production is expected in late 2013. The mine is projected to produce an average of 17.3kt (thousand tonnes) and 13.2kt per year of nickel and copper metal respectively over six years.
 
Iron ore – preparation for the expansion of the Pilbara to 330mtpa and beyond
  990m   Approved in July and August 2010, the funding (Rio Tinto share US$649m) will allow dredging contracts to be issued and long lead items to be ordered as part of early works on the expansion of the Cape Lambert port to 180mtpa capacity.
 
Iron ore – development of Hope Downs 4 mine in the Pilbara (Rio Tinto: 50%).
  1.6bn   Approved in August 2010, first production is expected in 2013. The new mine is projected to have a capacity of 15mtpa and a capital cost of US$1.2 billion (Rio Tinto share US$0.6bn). Rio Tinto will fully fund the US$425 million for the rail, rolling stock and power infrastructure.
 
Diamonds – Argyle diamond mine underground project.
  1.6bn   Originally approved in 2005, the project was slowed in 2009. The remaining US$803 million to complete was approved in September 2010. The underground is projected to be fully operational in 2013 with targeted production of 20 million carats a year. It should extend the mine life to at least 2019.
 
Iron ore – debottlenecking of Dampier port to expand the Pilbara capacity to 230mtpa.
  321m   Approved in September 2010, the project is projected to add 10mtpa capacity at the Dampier port by Q1 2012. No additional capital expenditure is required at the mines.
 
Aluminium – ISAL modernisation.
  487m   Approved in September 2010, the project is projected to increase annual production from 190kt to 230kt between April 2012 and July 2014. Includes US$140m in a leading edge casting facility to produce value added billet, approved in October.
 
Iron ore – expansion of Pilbara infrastructure to 283mtpa.
  3.1bn   Approved in October 2010, the investment (Rio Tinto share US$2.1bn) is projected to increase infrastructure capacity by 53mtpa to 283mtpa by the end of 2013. Further investments in mine expansions will likely be required.
 
Iron ore – expansion of Brockman 4 mine (from 22mtpa to 40mtpa) and Western Turner Syncline mine (from 6mtpa to 15mtpa) in the Pilbara.
  1.2bn   Approved in December 2010, the two projects represent the first two of three mine developments to expand mine capacity to 283mtpa by the fourth quarter of 2013.
 
      


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Approved/restarted in 2010/2011 continued        
 
Aluminium – phase 1 of 60kt per annum AP60 plant in Quebec.
  1.1bn   Approved in December 2010, US$758m will be spent on completing the first phase of the AP60 plant, in addition to the US$376m spent to date. First hot metal is expected in February 2013.
 
Aluminium – modernisation and expansion of Kitimat smelter.
  640m   A further US$300m was approved in December 2010 for further construction in preparation for the US$2.5bn modernisation of the Kitimat smelter. This is in addition to US$340m spent to date. Final approval is expected in 2011.
 
Iron ore – phase two expansion of IOC’s concentrate capacity to 23.3mtpa (Rio Tinto 58.7%).
  277m   Approved in February 2011, phase two is expected to be complete by 2013 (Rio Tinto share US$163 million) with options to expand further to 26mtpa.
 
Iron ore – phase two of the Marandoo mine expansion to sustain production at 230mtpa.
  933m   Approved in February 2011, the mine is projected to extend Marandoo at 15mtpa by 16 years to 2030.
 
 
       
Completed in 2010
       
 
Iron ore – construction of new Mesa A/ Warramboo mine (Rio Tinto: 53%).
  901m   First ore was produced in February 2010. Initial production of 20mtpa is projected to increase to 25mtpa by the end of 2011.
 
Diamonds – Diavik (Rio Tinto: 60%) underground development.
  787m   First production at end of March 2010.
 
Thermal coal – Clermont (Rio Tinto: 50.1%) will produce 12mtpa, largely replacing Blair Athol as it ramps down to 3mtpa.
  1,290m   First production in second quarter of 2010. Full capacity expected to be reached in 2013.
 
Iron ore – construction of new 22mtpa Brockman 4 mine and Western Turner Syncline extension of Tom Price mine.
  1,521m   Both mines commenced production in July 2010 and full capacity is expected to be reached by the end of 2011. Further expansion options are being assessed.
 
Iron ore – investment in cleaner, more sustainable
power generation to support expansion of mining
capacity in Western Australia.
  503m   Four new gas turbines at the 240MW Yurralyi Maya site near Dampier were commissioned and came on line progressively in the second half of 2010.
 
Copper – Northparkes (Rio Tinto 80%) E48 block cave project extending mine life to 2024.
  221m   The project restarted in September 2009 with a scope change including an expanded extraction level and increased reserves, secondary crushing and loader automation. Production from E48 commenced in late 2009 with full production occurring in late 2010.
 
 
       
Completed in 2009
       
 
Iron ore – expansion of Hope Downs mine from 22mtpa to 30mtpa (Rio Tinto: 50%).
  350m   Approved in August 2007, the expansion work was completed during the first half of 2009.
 
 
       
Completed in 2008
       
 
Aluminium – Development of the 360,000 tonne per annum greenfield Sohar smelter in Oman (Rio Tinto: 20%).
  1,700m   Approved in February 2005, first hot metal was produced in June 2008.
 
Aluminium – Aluminium spent potlining treatment plant in Quebec (Rio Tinto: 100%).
  225m   Approved in September 2006, the plant commenced operations in June 2008.
 
Titanium dioxide – Construction by QMM (Rio Tinto: 80%) of a greenfield ilmenite operation in Madagascar and associated upgrade of processing facilities at RTFT in Canada.
  1,000m   First production of ilmenite took place at the end of 2008.
 
Iron ore – Cape Lambert port expansion (Rio Tinto: 53%) from 55 to 80mtpa and additional rolling stock and infrastructure.
  952m   Approved in January 2007, the project was completed at the end of 2008.
 
Following the consolidation of Oyu Tolgoi LLC, capital expenditure for 2011 is expected to be approximately US$13 billion. This includes US$2.3 billion for the Oyu Tolgoi project (approved and funded by Ivanhoe). It also includes US$4.5 billion for sustaining capital expenditure (Rio Tinto funded).
Evaluation expenditure in 2011, including the Simandou iron ore project and the Resolution and La Granja copper projects, is expected to be around US$900 million
 
(a)   On 3 February 2011, Rio Tinto increased its ownership in Ivanhoe Mines to 42.1 per cent. Ivanhoe Mines owns 66 per cent of the Oyu Tolgoi copper-gold project.


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Summary
 

Aluminium
(BAR GRAPH)
 
Diamonds & Minerals
(BAR GRAPH)
 
Energy
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Copper
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Iron Ore
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Metals and minerals production
 

                                                         
            2010 Production     2009 Production     2008 Production  
    Rio Tinto             Rio Tinto             Rio Tinto             Rio Tinto  
    % share (a)     Total     share     Total     share     Total     share  
 
ALUMINA (‘000 tonnes)                        
Gardanne (France) (b)
    100.0                               38       38  
Gove (Australia)
    100.0       2,473       2,473       2,519       2,519       2,325       2,325  
Jonquière (Vaudreuil) (Canada) (c)
    100.0       1,301       1,301       1,125       1,125       1,370       1,370  
Queensland Alumina (Australia)
    80.0       3,821       3,057       3,959       3,167       3,842       3,074  
São Luis (Alumar) (Brazil)
    10.0       2,507       251       1,657       166       1,504       150  
Yarwun (Australia)
    100.0       1,377       1,377       1,347       1,347       1,293       1,293  
Specialty Plants (Canada/France/Germany) (b) (d)
    100.0       631       631       492       492       758       758  
     
Rio Tinto total
                    9,089               8,815               9,008  
     
ALUMINIUM (‘000 tonnes)                        
Alma (Canada)
    100.0       434       434       435       435       424       424  
Alouette (Sept-Îles) (Canada)
    40.0       569       228       573       229       572       229  
Alucam (Edéa) (Cameroon)
    46.7       76       35       73       34       91       43  
Anglesey (UK) (e)
    51.0                   106       54       118       60  
Arvida (Canada)
    100.0       174       174       171       171       172       172  
Beauharnois (Canada) (f)
    100.0                   11       11       50       50  
Bécancour (Canada)
    25.1       417       104       420       105       415       104  
Bell Bay (Australia)
    100.0       177       177       177       177       178       178  
Boyne Island (Australia)
    59.4       558       332       556       331       556       330  
Dunkerque (France)
    100.0       260       260       244       244       254       254  
Grande-Baie (Canada)
    100.0       218       218       215       215       212       212  
ISAL (Reykjavik) (Iceland)
    100.0       190       190       190       190       187       187  
Kitimat (Canada)
    100.0       184       184       224       224       247       247  
Lannemezan (France) (g)
    100.0                               5       5  
Laterrière (Canada)
    100.0       212       212       235       235       234       234  
Lochaber (UK)
    100.0       41       41       38       38       43       43  
Lynemouth (UK)
    100.0       145       145       109       109       165       165  
Ningxia (Qingtongxia) (China) (h)
                      10       5       163       81  
Saint-Jean-de-Maurienne (France)
    100.0       96       96       101       101       130       130  
Sebree (US)
    100.0       196       196       193       193       197       197  
Shawinigan (Canada)
    100.0       100       100       99       99       100       100  
Sohar (Oman) (i)
    20.0       367       73       351       70       49       10  
SØRAL (Husnes) (Norway)
    50.0       88       44       98       49       171       86  
Tiwai Point (New Zealand)
    79.4       344       273       271       215       316       250  
Tomago (Australia)
    51.6       528       272       528       272       523       270  
     
Rio Tinto total
                    3,790               3,808               4,062  
     
BAUXITE (‘000 tonnes)                        
Awaso (Ghana) (j)
          42       34       440       352       796       637  
Gove (Australia)
    100.0       7,190       7,190       7,185       7,185       6,245       6,245  
Porto Trombetas (MRN) (Brazil)
    12.0       17,022       2,043       15,645       1,877       18,063       2,168  
Sangaredi (Guinea)
    (k)       12,413       5,586       11,216       5,047       13,181       5,931  
Weipa (Australia)
    100.0       18,591       18,591       16,235       16,235       20,006       20,006  
     
Rio Tinto total
                    33,443               30,696               34,987  
     
BORATES (‘000 tonnes) (l)                        
Rio Tinto Minerals – Boron (US)
    100.0       483       483       411       411       591       591  
Rio Tinto Minerals – Tincalayu (Argentina)
    100.0       18       18       13       13       19       19  
     
Rio Tinto total
                    500               424               610  
     
COAL – hard coking (‘000 tonnes)                        
Rio Tinto Coal Australia
                                                       
Hail Creek Coal (Australia)
    82.0       7,183       5,890       6,308       5,173       6,049       4,960  
Kestrel Coal (Australia)
    80.0       3,846       3,076       2,868       2,294       3,089       2,471  
     
Rio Tinto total hard coking coal
                    8,967               7,467               7,431  
     
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Table of Contents

 

                                                         
            2010 Production     2009 Production     2008 Production  
    Rio Tinto             Rio Tinto             Rio Tinto             Rio Tinto  
    % share (a)     Total     share     Total     share     Total     share  
     
COAL – semi-soft coking (‘000 tonnes) (m)                        
Rio Tinto Coal Australia
                                                       
Hunter Valley (Australia)
    75.7       2,469       1,869       2,626       1,988       2,865       2,169  
Mount Thorley (Australia)
    60.6       1,460       884       1,112       674       1,168       708  
Warkworth (Australia)
    42.1       764       321       530       223       386       162  
     
Rio Tinto total semi-soft coking coal
                    3,075               2,885               3,039  
     
COAL – thermal (‘000 tonnes) (m)                        
Rio Tinto Coal Australia
                                                       
Bengalla (Australia)
    30.3       5,477       1,659       5,466       1,655       5,357       1,622  
Blair Athol (Australia)
    71.2       6,803       4,846       11,325       8,068       10,194       7,262  
Clermont (Australia) (n)
    50.1       3,770       1,889                          
Hunter Valley (Australia)
    75.7       8,442       6,391       8,606       6,515       7,886       5,970  
Kestrel Coal (Australia)
    80.0       713       571       849       679       929       744  
Mount Thorley (Australia)
    60.6       1,518       920       2,230       1,351       1,780       1,078  
Tarong Coal (Australia) (o)
                                  262       262  
Warkworth (Australia)
    42.1       5,120       2,154       4,632       1,949       5,652       2,378  
     
Total Australian thermal coal
                    18,430               20,217               19,317  
     
US Coal                        
Antelope (US) (p)
          31,156       15,043       30,865       29,031       32,474       32,474  
Colowyo (US) (q)
    100.0       2,371       2,371       3,214       3,214       4,446       4,446  
Cordero Rojo (US) (p)
          33,518       16,184       35,687       33,361       36,318       36,318  
Decker (US) (p)
          2,521       609       4,161       2,017       5,939       2,970  
Jacobs Ranch (US) (r)
                      26,537       26,537       38,206       38,206  
Spring Creek (US) (p)
          16,726       8,076       16,035       15,360       16,341       16,341  
     
Total US thermal coal
                    42,283               109,520               130,755  
     
Rio Tinto total thermal coal
                    60,713               129,738               150,072  
     
COPPER (mined) (‘000 tonnes)                        
Bingham Canyon (US)
    100.0       249.8       249.8       303.5       303.5       238.0       238.0  
Escondida (Chile)
    30.0       1,011.0       303.3       1,061.2       318.3       1,281.7       384.5  
Grasberg – Joint Venture (Indonesia) (s)
    40.0       126.8       50.7       269.3       107.7       17.8       7.1  
Northparkes (Australia)
    80.0       39.0       31.2       34.3       27.4       24.8       19.8  
Palabora (South Africa)
    57.7       74.6       43.0       82.6       47.6       85.1       49.1  
     
Rio Tinto total
                    678.1               804.7               698.5  
     
COPPER (refined) (‘000 tonnes)                        
Escondida (Chile)
    30.0       300.1       90.0       327.2       98.2       257.5       77.3  
Kennecott Utah Copper (US)
    100.0       269.3       269.3       274.2       274.2       200.6       200.6  
Palabora (South Africa)
    57.7       58.0       33.4       69.4       40.0       75.9       43.8  
     
Rio Tinto total
                    392.8               412.4               321.6  
     
DIAMONDS (‘000 carats)                        
Argyle (Australia)
    100.0       9,804       9,804       10,591       10,591       15,076       15,076  
Diavik (Canada)
    60.0       6,500       3,900       5,565       3,339       9,225       5,535  
Murowa (Zimbabwe)
    77.8       178       139       124       97       264       205  
     
Rio Tinto total
                    13,843               14,026               20,816  
 
(IMAGE) See notes on page 83


(GRAPH)


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Table of Contents

Metals and minerals production continued
 
 
                                                         
            2010 Production     2009 Production             2008 Production  
    Rio Tinto             Rio Tinto             Rio Tinto             Rio Tinto  
    % share (a)     Total     share     Total     share     Total     share  
     
GOLD (mined) (‘000 ounces)                        
Barneys Canyon (US)
    100.0       2       2       2       2       5       5  
Bingham Canyon (US)
    100.0       466       466       582       582       368       368  
Cortez/Pipeline (US) (t)
                                  72       29  
Escondida (Chile)
    30.0       174       52       144       43       144       43  
Grasberg – Joint Venture (Indonesia) (s)
    40.0       458       183       1,072       429              
Greens Creek (US) (u)
                                  18       12  
Northparkes (Australia)
    80.0       65       52       34       27       32       26  
Rawhide (US) (v)
          9       9       19       19       18       9  
Others
            13       7       13       8       14       8  
     
Rio Tinto total
                    772               1,111               501  
     
GOLD (refined) (‘000 ounces)                        
Kennecott Utah Copper (US)
    100.0       596       596       479       479       303       303  
     
IRON ORE (‘000 tonnes)                        
Corumbá (Brazil) (w)
                      1,509       1,509       2,032       2,032  
Hamersley Iron – eight wholly owned mines (Australia)
    100.0       112,706       112,706       106,808       106,808       95,553       95,553  
Hamersley – Channar (Australia)
    60.0       11,016       6,610       11,041       6,625       10,382       6,229  
Hamersley – Eastern Range (Australia)
    (x)       9,206       9,206       9,318       9,318       8,186       8,186  
Hope Downs (Australia)
    50.0       31,720       15,860       20,634       10,317       10,936       5,468  
Iron Ore Company of Canada (Canada)
    58.7       14,710       8,638       13,844       8,129       15,830       9,295  
Robe River (Australia) (y)
    53.0       59,641       31,610       54,417       28,841       50,246       26,631  
     
Rio Tinto total
                    184,629               171,547               153,394  
     
LEAD (‘000 tonnes)                        
Greens Creek (US) (u)
                                  4.6       3.2  
     
MOLYBDENUM (‘000 tonnes)                        
Bingham Canyon (US)
    100.0       12.9       12.9       11.3       11.3       10.6       10.6  
     
PIG IRON (‘000 tonnes)                        
HIsmelt® (Australia) (z)
    60.0                               144       87  
     
SALT (‘000 tonnes)                        
Dampier Salt (Australia)
    68.4       7,589       5,188       8,555       5,848       8,974       6,135  
     
SILVER (mined) (‘000 ounces)                        
Bingham Canyon (US)
    100.0       3,754       3,754       4,871       4,871       3,414       3,414  
Escondida (Chile)
    30.0       6,140       1,842       5,424       1,627       6,167       1,850  
Grasberg – Joint Venture (Indonesia) (s)
    40.0       1,721       688       3,685       1,474       549       220  
Greens Creek (US) (u)
                                  1,815       1,275  
Others
          752       577       757       596       655       417  
     
Rio Tinto total
                    6,862               8,569               7,176  
     
SILVER (refined) (‘000 ounces)                        
Kennecott Utah Copper (US)
    100.0       4,732       4,732       4,050       4,050       3,252       3,252  
     
TALC (‘000 tonnes)                        
Rio Tinto Minerals – talc (Australia/Europe/North America) (aa)
    100.0       1,000       1,000       888       888       1,163       1,163  
 
(IMAGE) See notes on page 83
82   Rio Tinto 2010 Annual report


Table of Contents

 

                                                         
            2010 Production     2009 Production             2008 Production  
    Rio Tinto             Rio Tinto             Rio Tinto             Rio Tinto  
    % share (a)     Total     share     Total     share     Total     share  
 
TITANIUM DIOXIDE FEEDSTOCK (‘000 tonnes)                        
Rio Tinto Iron & Titanium (Canada/South Africa) (bb) (cc)
    100.0       1,392       1,392       1,147       1,147       1,524       1,524  
 
URANIUM (‘000 lbs U3O8)                        
Energy Resources of Australia (Australia)
    68.4       8,614       5,891       11,500       7,865       11,773       8,052  
Rössing (Namibia)
    68.6       7,999       5,485       9,150       6,275       8,966       6,149  
     
Rio Tinto total
                    11,377               14,140               14,200  
 
ZINC (‘000 tonnes)                        
 
                                                       
Greens Creek (US) (u)
                                  13.9       9.8  
 

Production data notes:
Mine production figures for metals refer to the total quantity of metal produced in concentrates, leach liquor or doré bullion irrespective of whether these products are then refined on site, except for the data for bauxite and iron ore which represent production of marketable quantities of ore.
(a)   Rio Tinto percentage share, shown above, is as at the end of 2010 and has applied over the period 2008 – 2010 except for those operations where the Rio Tinto ownership has varied during the year; the weighted average ownership for each year is shown below. The Rio Tinto share varies at individual mines and refineries in the “others” category and thus no value is shown.
Rio Tinto Share %
                                 
Operation   See note     2010     2009     2008  
 
Antelope
    (p     46.2       94.0       100.0  
Cordero Rojo
    (p )     46.2       94.0       100.0  
Decker
    (p )     23.1       47.0       50.0  
Spring Creek
    (p )     46.2       94.0       100.0  
 
 
(b)   Production of smelter grade alumina at Gardanne ceased at the end of 2008. Production continues from the Gardanne specialty alumina plant.
 
(c)   Jonquière’s (Vaudreuil’s) production shows smelter grade alumina only and excludes hydrate produced and used for specialty alumina.
 
(d)   Rio Tinto sold its 100 per cent interest in the Brockville specialty alumina plant with an effective date of 20 September 2010. Production data are shown up to that date.
 
(e)   The Anglesey smelter ceased smelting operations at the end of the third quarter of 2009. Casting operations continue.
 
(f)   The Beauharnois smelter ceased smelting operations in the second quarter of 2009. Casting operations continue.
 
(g)   The Lannemezan smelter closed in the first quarter of 2008.
 
(h)   Rio Tinto sold its 50 per cent interest in the Ningxia aluminium smelter with an effective date of 26 January 2009. Production data are shown up to that date.
 
(i)   Production at the Sohar smelter commenced in the third quarter of 2008.
 
(j)   Rio Tinto Alcan had an 80 per cent interest in the Awaso mine but purchased the additional 20 per cent of production. Rio Tinto Alcan sold its interest in Ghana Bauxite Company, owner of the Awaso mine, with an effective date of 1 February 2010.
 
(k)   Rio Tinto has a 22.95 per cent shareholding in the Sangaredi mine but receives 45.0 per cent of production under the partnership agreement.
 
(l)   Borate quantities are expressed as B2O3.
 
(m)   Thermal coal and semi-soft coking coal were previously reported under “Other Coal”.
 
(n)   Production commenced at Clermont in the second quarter of 2010.
 
(o)   Rio Tinto sold its 100 per cent interest in Tarong Coal with an effective date of 31 January 2008; production data are shown up to that date.
 
(p)   As a result of the initial public offering of Cloud Peak Energy Inc. on 20 November 2009, Rio Tinto held a 48.3 per cent interest in the Antelope, Cordero Rojo and Spring Creek mines and a 24.1 per cent interest in the Decker mine. These interests were formerly reported under Rio Tinto Energy America but are now managed by Cloud Peak Energy. Following a secondary public offering in December 2010, Rio Tinto completed the divestment of its entire interest in Cloud Peak Energy Inc. with an effective date of 15 December 2010. Production data are shown up to that date.
 
(q)   During 2008, Rio Tinto acquired a 100 per cent interest in the Colowyo mine, having previously held a partnership interest. All of Colowyo’s production was already included in Rio Tinto’s share of production.
 
(r)   Rio Tinto completed the sale of its 100 per cent interest in the Jacobs Ranch mine on 1 October 2009. Production data are shown up to that date.
 
(s)   Through a joint venture agreement with Freeport-McMoRan Copper & Gold (FCX), Rio Tinto is entitled to 40 per cent of additional material mined as a consequence of expansions and developments of the Grasberg facilities since 1998. Total production reflects the total quantities attributable to the joint venture.
 
(t)   Rio Tinto sold its 40 per cent interest in the Cortez/Pipeline joint venture on 5 March 2008, with an effective date end of February 2008. Production data are shown up to that date.
 
(u)   Rio Tinto sold its 70.3 per cent share in the Greens Creek joint venture with an effective date of 16 April 2008. Production data are shown up to that date.
 
(v)   On 28 October 2008, Rio Tinto increased its shareholding in the Rawhide Joint Venture from 51 per cent to 100 per cent. The previous joint venture shareholder continued to be entitled to 49 per cent of production until 31 December 2008; thereafter Rio Tinto has been entitled to 100 per cent. Rio Tinto sold its 100 per cent interest in the Rawhide mine with an effective date of 25 June 2010. Production data are shown up to that date.
 
(w)   Rio Tinto completed the sale of its 100 per cent interest in the Corumbá mine, effective 18 September 2009.
 
(x)   Rio Tinto’s share of production includes 100 per cent of the production from the Eastern Range mine. Under the terms of the joint venture agreement (Rio Tinto 54 per cent), Hamersley Iron manages the operation and is obliged to purchase all mine production from the joint venture.
 
(y)   Production at the Mesa A mine commenced in the first quarter of 2010.
 
(z)   In March 2009, Rio Tinto announced that HIsmelt® would be placed on an extended care and maintenance programme. In December 2010, the HIsmelt® joint venture partners agreed to close the Kwinana site permanently and terminate the joint venture.
 
(aa)   In February 2011, Rio Tinto announced that it had received a binding offer for the purchase of 100 per cent of its talc business. Talc production includes some products derived from purchased ores.
 
(bb)   Quantities comprise 100 per cent of Rio Tinto Fer et Titane and 50 per cent of Richards Bay Minerals’ (RBM) production until late 2009 when RBM concluded a Broad Based Black Economic Empowerment transaction. Rio Tinto Iron & Titanium’s share of RBM production reflects a decrease from 50 to 37 per cent with effect from 9 December 2009.
 
(cc)   Ilmenite mined in Madagascar is being processed in Canada with effect from June 2009.
Production figures are sometimes more precise than the rounded numbers shown, hence an apparent small difference may result where the Rio Tinto share is totalled.




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Table of Contents

      
Ore Reserves (under Industry Guide 7)
 

For the purposes of this combined Annual report on Form 20-F estimates of ore reserves have been prepared in accordance with the SEC’s Industry Guide 7 under the United States Securities Act of 1933 and the following definitions:
  An ‘Ore Reserve’ means that part of a mineral deposit that can be economically and legally extracted or produced at the time of the reserves determination. To establish this, studies appropriate to the type of mineral deposit involved have been carried out to estimate the quantity, grade and value of the ore mineral(s) present. In addition, technical studies have been completed to determine realistic assumptions for the extraction of the minerals including estimates of mining, processing, economic, marketing, legal, environmental, social and governmental factors. The degree of these studies is sufficient to demonstrate the technical and economic feasibility of the project and depends on whether or not the project is an extension of an existing project or operation. The estimates of minerals to be produced include allowances for ore losses and the treatment of unmineralised materials which may occur as part of the mining and processing activities. Ore Reserves are sub-divided in order of increasing confidence into Probable Ore Reserves and Proven Ore Reserves as defined below.
 
  The term “economically”, as used in the definition of reserves, implies that profitable extraction or production under defined investment assumptions has been established through the creation of a mining plan, processing plan and cash flow model. The assumptions made must be reasonable, including costs and operating conditions that will prevail during the life of the project.
 
  Ore reserves presented in accordance with SEC Industry Guide 7 do not exceed the quantities that, it is estimated, could be extracted economically if future prices were to be in line with the average of historical prices for the three years to 30 June 2010, or contracted prices where applicable. For this purpose, contracted prices are applied only to future sales volumes for which the price is predetermined by an existing contract; and the average of historical prices is applied to expected sales volumes in excess of such amounts. Moreover, reported ore reserve estimates have not been increased above the levels expected to be economic based on Rio Tinto’s own long term price assumptions.
 
  The term “legally”, as used in the definition of reserves, does not imply that all permits needed for mining and processing have been obtained or that other legal issues have been completely resolved. However, for reserves to exist, there is reasonable assurance of the issuance of these permits or resolution of legal issues. Reasonable assurance means that, based on applicable laws and regulations, the issuance of permits or resolution of legal issues necessary for mining and processing at a particular deposit will be accomplished in the ordinary course and in a timeframe consistent with the Company’s current mine plans.
 
  The term “proven reserves” means reserves for which (a) quantity is computed from dimensions revealed in outcrops, trenches, workings or drill holes; grade and/or quality are computed from the results of detailed sampling; and (b) the sites for inspection, sampling and measurement are spaced so closely and the geologic character is so well defined that size, shape, depth and mineral content of reserves are well established. Proven reserves represent that part of an orebody for which there exists the highest level of confidence in data regarding its geology, physical characteristics, chemical composition and probable processing requirements.
 
  The term “probable reserves” means reserves for which quantity and grade and/or quality are computed from information similar to that used for proven reserves, but the sites for inspection, sampling and measurement are farther apart or are otherwise less adequately spaced. The degree of assurance, although lower than that for proven reserves, is high enough to assume continuity between points of observation. This means that probable reserves generally have a wider drill hole spacing than for proven reserves.
 
  The amount of proven and probable reserves shown below does not necessarily represent the amount of material currently scheduled for extraction, because the amount scheduled for extraction may be derived from a life of mine plan predicated on prices and other assumptions which are different to those used in the life of mine plan prepared in accordance with Industry Guide 7.
 
  The estimated ore reserve figures in the following tables are as of 31 December 2010. Metric units are used throughout. The figures used to calculate Rio Tinto’s share of reserves are often more precise than the rounded numbers shown in the tables, hence small differences might result if the calculations are repeated using the tabulated figures. Commodity price information is given in footnote (a).
 
  Where operations are not managed by Rio Tinto the reserves are published as received from the managing company.
      




84   Rio Tinto 2010 Annual report


Table of Contents

 

 

      
                                                         
                    Total ore reserves at end 2010                      
    Type                                 Interest     Rio Tinto  
    of mine (b)             Tonnage     Grade             %     share  
                                                Recoverable  
                              mineral  
BAUXITE (c)                   millions                           millions of  
                  of tonnes     %Al2O3                     tonnes  
 
Reserves at operating mines
                                                       
Gove (Australia)
    O/P               136       49.6               100.0       136  
Porto Trombetas (Brazil) (d)
    O/P               21       50.1               12.0       3  
Sangaredi (Guinea) (e)
    O/P               117       52.4               23.0       27  
Weipa (Australia)
    O/P               1,602       53.0               100.0       1,602  
 
Rio Tinto total
                                                    1,767  
 
                                                     
Marketable
 
                                                     
product
 
 
BORATES (f)
                  millions                             millions  
                  of tonnes                             of tonnes  
 
Reserves at operating mines
                                                       
Rio Tinto Minerals - Boron (US)
                                                       
- mine
    O/P               21.7                       100.0       21.7  
- stockpiles (g)
    S/P               2.3                       100.0       2.3  
 
Rio Tinto total
                                                    24.0  
 
                                                       
 
            Coal     Marketable           Marketable                
            type (i)     reserves           coal quality (j)                
                    millions     Calorific     Sulphur             Marketable  
  of tonnes     value     content             reserves  
COAL (h)                                             millions  
                        MJ/kg     %             of tonnes  
 
Reserves at operating mines
                                                       
Rio Tinto Coal Australia
                                                       
Bengalla (Australia)
    O/C     SC       137       27.84       0.48       30.3       41  
Blair Athol (Australia) (k)
    O/C     SC       9       25.63       0.31       71.2       7  
Clermont (Australia)
    O/C     SC       182       27.90       0.33       50.1       91  
Hail Creek (Australia) (l)
    O/C     MC       126       32.20       0.35       82.0       104  
Hunter Valley Operations (Australia)
    O/C     SC + MC       263       28.99       0.58       75.7       199  
Kestrel (Australia)
    U/G     SC + MC       126       31.60       0.59       80.0       101  
Mount Thorley Operations (Australia)
    O/C     SC + MC       24       29.41       0.43       60.6       14  
Warkworth (Australia)
    O/C     SC + MC       261       30.68       0.44       42.1       110  
 
Total Australian coal
                                                    667  
 
 
                                                       
US Coal
                                                       
Colowyo (US) (m)
    O/C     SC       15       23.95       0.45       100.0       15  
 
Rio Tinto total reserves at operating mines
                                                    682  
 
 
                                                       
Undeveloped reserves (n)
                                                       
Rio Tinto Coal Australia
                                                       
Mount Pleasant (Australia)
    O/C     SC       324       26.77       0.47       75.7       245  
 


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Table of Contents

 

      
Ore Reserves (under Industry Guide 7) continued
 

                                                 
            Total ore reserves at end 2010                      
    Type                 Average mill             Rio Tinto  
    of mine (b)     Tonnage     Grade     recovery %     Interest %     share  
                                        Recoverable  
                                        metal  
COPPER           millions                           millions  
          of tonnes     %Cu                     of tonnes  
 
Reserves at operating mines
                                               
Bingham Canyon (US) (o)
                                               
– mine
    O/P       888       0.46       86       100.0       3.514  
– stockpiles (g)
    S/P       85       0.24       86       100.0       0.177  
Escondida (Chile)
                                               
– sulphide mine
    O/P       1,587       1.02       82       30.0       3.956  
– sulphide leach mine
    O/P       2,443       0.51       30       30.0       1.125  
– oxide mine
    O/P       84       0.97       68       30.0       0.166  
– sulphide stockpiles (g)
    S/P       8       1.02       82       30.0       0.019  
– sulphide leach stockpiles (g)
    S/P       75       0.89       30       30.0       0.060  
– oxide stockpiles (g)
    S/P       48       0.54       68       30.0       0.053  
Grasberg (Indonesia) (p)
    O/P + U/G       2,575       0.98       89       (p )     6.973  
Northparkes (Australia) (q)
                                               
– mine
    U/G       67       0.88       89       80.0       0.420  
– stockpiles (g)
    S/P       9       0.41       85       80.0       0.024  
Palabora (South Africa) (r)
    U/G       62       0.60       88       57.7       0.190  
 
Rio Tinto total reserves at operating mines
                                            16.676  
 
 
                                               
Undeveloped reserves (n)
                                               
Eagle (US) (s)
    U/G       4       2.68       95       100.0       0.105  
Oyu Tolgoi (Mongolia)
                                               
– Hugo Dummett North (t)
    U/G       410       1.90       92       26.6       1.910  
– Hugo Dummett North Extension (u)
    U/G       27       1.85       94       24.9       0.116  
– Southern Oyu (v)
    O/P       955       0.49       81       26.6       1.012  
 
Rio Tinto total undeveloped reserves
                                            3.144  
 
 
                                          Recoverable  
 
                                          diamonds  
 
DIAMONDS (c)
          millions     carats                     millions  
          of tonnes     per tonne                     of carats  
 
Reserves at operating mines
                                               
Diavik (Canada)
    O/P + U/G       18       2.9               60.0       31.7  
 
 
                                          Recoverable  
 
                                          metal  
 
GOLD
          millions     grammes                     millions  
          of tonnes     per tonne                     of ounces  
 
Reserves at operating mines
                                               
Bingham Canyon (US) (o)
                                               
– mine
    O/P       888       0.21       65       100.0       3.808  
– stockpiles (g)
    S/P       85       0.14       65       100.0       0.255  
Grasberg (Indonesia) (p)
    O/P + U/G       2,575       0.83       69       (p )     12.829  
Northparkes (Australia) (q)
                                               
– mine
    O/P + U/G       67       0.33       73       80.0       0.416  
– stockpiles (g)
    S/P       9       0.27       76       80.0       0.045  
 
Rio Tinto total reserves at operating mines
                                            17.352  
 
 
                                               
Undeveloped reserves (n)
                                               
Eagle (US) (s)
    U/G       4       0.27       73       100.0       0.026  
Oyu Tolgoi (Mongolia)
                                               
– Hugo Dummett North (t)
    U/G       410       0.40       83       26.6       1.162  
– Hugo Dummett North Extension (u)
    U/G       27       0.72       85       24.9       0.132  
– Southern Oyu (v)
    O/P       955       0.36       75       26.6       2.189  
 
Rio Tinto total undeveloped reserves
                                            3.510  
 
      




86   Rio Tinto 2010 Annual report


Table of Contents

 

 

      
                                                 
            Total ore reserves at end 2010                      
    Type                     Average mill             Rio Tinto  
    of mine (b)     Tonnage     Grade     recovery %     Interest %     share  
                                            Marketable  
                  product  
IRON ORE (c)           millions
of tonnes
    % Fe                     millions
of tonnes
 
 
Reserves at operating mines
                                               
Hamersley wholly owned (Australia)
                                               
– Brockman 2 (Brockman ore) (w)
    O/P       12       62.6               100.0       12  
– Brockman 4 (Brockman ore)
    O/P       603       62.0               100.0       603  
– Marandoo (Marra Mamba ore) (x)
    O/P       236       63.1               100.0       236  
– Mt Tom Price (Brockman ore) (y)
                                               
– mine
    O/P       69       63.6               100.0       69  
– stockpiles (g)
    S/P       14       62.6               100.0       14  
– Mt Tom Price (Marra Mamba ore) (z)
    O/P       20       61.2               100.0       20  
– Nammuldi (Marra Mamba ore)
    O/P       16       61.3               100.0       16  
– Paraburdoo (Brockman ore)
    O/P       14       63.5               100.0       14  
– Turee Syncline Central (Brockman ore)
    O/P       78       61.9               100.0       78  
– Western Turner Syncline (Brockman ore)
    O/P       291       62.2               100.0       291  
– Yandicoogina (Pisolite ore HG) (aa)
                                               
– mine
    O/P       171       58.6               100.0       171  
– stockpiles (g)
    S/P       5       58.5               100.0       5  
– Yandicoogina (Process product) (bb)
    O/P       91       58.6               100.0       91  
Hamersley - Channar (Australia) (cc)
                                               
– Brockman ore
    O/P       65       63.0               60.0       39  
Hamersley - Eastern Range (Australia) (dd)
                                               
– Brockman ore
    O/P       58       62.8               54.0       31  
Hope Downs 1 (Australia)
                                               
– Marra Mamba ore
    O/P       324       61.5               50.0       162  
Iron ore Company of Canada (Canada) (ee)
    O/P       638       65.0               58.7       375  
Robe River (Australia)
                                               
– Pannawonica (Pisolite ore)
                                               
– mine
    O/P       238       57.1               53.0       126  
– stockpiles (g)
    S/P       9       58.3               53.0       5  
– West Angelas (Marra Mamba ore)
                                               
– mine
    O/P       317       61.7               53.0       168  
– stockpiles (g)
    S/P       3       58.4               53.0       1  
 
Rio Tinto total
                                            2,527  
 
 
                                          Recoverable  
 
                                          metal  
 
MOLYBDENUM
          millions
of tonnes
    %Mo                     millions
of tonnes
 
 
Reserves at operating mines
                                               
Bingham Canyon (US) (o) (ff)
                                               
– mine
    O/P       888       0.040       71       100.0       0.251  
– stockpiles (g)
    S/P       85       0.022       71       100.0       0.014  
 
Rio Tinto total
                                            0.265  
 
 
                                          Recoverable  
 
                                          metal  
 
NICKEL
          millions
of tonnes
    %Ni                     millions
of tonnes
 
 
Undeveloped reserves (n)
                                               
Eagle (US) (s)
    U/G       4       3.15       87       100.0       0.113  
 


(IMAGE)


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Table of Contents

 

      
Ore Reserves (under Industry Guide 7) continued
 

                                                 
            Total ore reserves at end 2010                      
    Type                 Average mill             Rio Tinto  
    of mine (b)     Tonnage     Grade     recovery %     Interest %     share  
                                        Recoverable  
                        metal  
SILVER           millions     grammes                     millions  
          of tonnes     per tonne                     of ounces  
 
Reserves at operating mines
                                               
Bingham Canyon (US) (o)
                                               
– mine
    O/P       888       2.05       74       100.0       43.143  
– stockpiles (g)
    S/P       85       1.34       74       100.0       2.703  
Grasberg (Indonesia) (p)
    O/P + U/G       2,575       4.12       70       (p )     80.141  
 
Rio Tinto total
                                            125.987  
 
 
                                          Marketable  
 
                                          product  
 
TALC (f)
          millions                             millions  
          of tonnes                             of tonnes  
 
Reserves at operating mines
                                               
Rio Tinto Minerals - talc (gg)
    O/P + U/G                                          
(Europe/North America/Australia)
                                               
– mine
            32.0                       100.0       32.0  
– stockpiles (g)
    S/P       0.2                       100.0       0.2  
 
Rio Tinto total
                                            32.2  
 
 
                                          Marketable  
 
                                          product  
 
TITANIUM DIOXIDE FEEDSTOCK (f)
          millions                             millions  
          of tonnes                             of tonnes  
 
Reserves at operating mines
                                               
RTFT (Canada)
    O/P       50.7                       100.0       50.7  
QMM (Madagascar) (hh)
    D/O       9.3                       80.0       7.4  
 
Rio Tinto total
                                            58.1  
 
 
                                               
 
                                          Recoverable  
 
                                          metal  
 
URANIUM
          millions                             millions  
          of tonnes       %U308                     of tonnes  
 
Reserves at operating mines
                                               
Energy Resources of Australia (Australia) (ii)
                                               
– Ranger #3 mine
    O/P       4.6       0.206       85       68.4       0.005  
– Ranger #3 stockpiles (g)
    S/P       20.3       0.101       85       68.4       0.012  
Rössing (Namibia) (jj)
                                               
– mine
    O/P       168.2       0.038       84       68.6       0.037  
– stockpiles (g)
    S/P       3.3       0.029       80       68.6       0.001  
 
Rio Tinto total
                                            0.055  
 
      




88   Rio Tinto 2010 Annual report


Table of Contents

 
      
 
                                                         
          Proven ore reserves at end 2010   Probable ore reserves at end 2010  
    Type of                     Drill hole                     Drill hole  
    mine (b)     Tonnage     Grade     spacing (kk)     Tonnage     Grade     spacing (kk)  
BAUXITE (c)           millions                     millions                
          of tonnes     %Al2O3             of tonnes     %Al2O3          
 
Reserves at operating mines
                                                       
Gove (Australia)
    O/P       102       49.6       50m x 100m       35       49.3       200m x 200m  
Porto Trombetas (Brazil) (d)
    O/P       21       50.1       200m x 200m                          
Sangaredi (Guinea) (e)
    O/P                               117       52.4       75m x 75m  
Weipa (Australia)
    O/P       612       52.6       150m x 150m       990       53.2       300m x 300m  
 
BORATES (f)
          millions                     millions                  
          of tonnes                     of tonnes                  
 
Reserves at operating mines
                                                       
Rio Tinto Minerals - Boron (US)
                                                       
- mine
    O/P       14.4               61m       7.3               61m  
- stockpiles (g)
    S/P                               2.3                  
 
                                                         
                    % Yield to     Marketable Reserves  
            Recoverable     Give                              
            reserves     Marketable             Drill hole             Drill hole  
            total     Reserves     Proven     spacing (kk)     Probable     spacing (kk)  
COAL (h)           millions             millions             millions          
          of tonnes             of tonnes             of tonnes          
 
Reserves at operating mines
                                                       
Rio Tinto Coal Australia
                                                       
Bengalla (Australia)
    O/C       172       80       129       300m       8       500m  
Blair Athol (Australia) (k)
    O/C       11       89       9       150m                  
Clermont (Australia)
    O/C       190       96       178       220m       4     150m to 300m  
Hail Creek (Australia) (l)
    O/C       213       59       60       <750m       66     Max 750m  
Hunter Valley Operations (Australia)
    O/C       386       68       229       300m       34       500m  
Kestrel (Australia)
    U/G       151       83       45       500m       81       1000m  
Mount Thorley Operations (Australia)
    O/C       37       65       21       125m       3       500m  
Warkworth (Australia)
    O/C       400       65       140       300m       121       750m  
 
US Coal
                                                       
 
Colowyo (US) (m)
    O/C       15       100       12       137m       2       305m  
 
 
                                                       
 
Undeveloped reserves (n)
                                                       
Rio Tinto Coal Australia
                                                       
Mount Pleasant (Australia)
    O/C       394       82                       324     125m to 500m  
 
()


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Table of Contents

Ore Reserves (under Industry Guide 7) continued
 

      
                                                         
            Proven ore reserves at end 2010     Probable ore reserves at end 2010  
    Type of                     Drill hole                     Drill hole  
    mine (b)     Tonnage     Grade     spacing (kk)     Tonnage     Grade     spacing (kk)  
COPPER           millions                     millions                
          of tonnes     %Cu             of tonnes     %Cu          
 
Reserves at operating mines
                                                       
Bingham Canyon (US) (o)
                                                       
- mine
    O/P       418       0.53       85m       470       0.39       131m  
- stockpiles (g)
    S/P       52       0.26               34       0.22          
Escondida (Chile)
                                                       
- sulphide mine
    O/P       718       1.15       50m x 50m       869       0.91       85m x 85m  
- sulphide leach mine
    O/P       708       0.47       55m x 55m       1,735       0.53       100m x 100m  
- oxide mine
    O/P       28       1.11       40m x 40m       56       0.90       50m x 50m  
- sulphide stockpiles (g)
    S/P       8       1.02                                  
- sulphide leach stockpiles (g)
    S/P       75       0.89                                  
- oxide stockpiles (g)
    S/P       48       0.54                                  
Grasberg (Indonesia) (p)
    O/P + U/G       825       1.09     16m to 53m       1,750       0.93     51m to 105m  
Northparkes (Australia) (q)
                                                       
- mine
    O/P + U/G                               67       0.88       40 x 40 x 80m  
- stockpiles (g)
    S/P       9       0.41                                  
Palabora (South Africa) (r)
    U/G       62       0.60       76m                          
Undeveloped reserves (n)
                                                       
Eagle (US) (s)
    U/G                               4       2.68       25m  
Oyu Tolgoi (Mongolia)
                                                       
- Hugo Dummett North (t)
    U/G                               410       1.90       135 x 75m  
- Hugo Dummett North Extension (u)
    U/G                               27       1.85       135 x 75m  
- Southern Oyu (v)
    O/P       127       0.58       50m       828       0.48     75m to 100m  
 
DIAMONDS (c)
          millions     carats             millions     carats          
          of tonnes     per tonne             of tonnes     per tonne          
 
Reserves at operating mines
                                                       
Diavik (Canada)
    O/P + U/G       8       2.9     24m to 40m       10       3.0     24m to 40m  
 
GOLD
          millions     grammes             millions     grammes          
          of tonnes     per tonne             of tonnes     per tonne          
 
Reserves at operating mines
                                                       
Bingham Canyon (US) (o)
                                                       
- mine
    O/P       418       0.23       85m       470       0.18       131m  
- stockpiles (g)
    S/P       52       0.16               34       0.12          
Grasberg (Indonesia) (p)
    O/P + U/G       825       1.03     16m to 53m       1,750       0.74     51m to 105m  
Northparkes (Australia) (q)
                                                       
- mine
    O/P + U/G                               67       0.33       40 x 40 x 80m  
- stockpiles (g)
    S/P       9       0.27                                  
 
Undeveloped reserves (n)
                                                       
Eagle (US) (s)
    U/G                               4       0.27       25m  
Oyu Tolgoi (Mongolia)
                                                       
- Hugo Dummett North (t)
    U/G                               410       0.40       135 x 75m  
- Hugo Dummett North Extension (u)
    U/G                               27       0.72       135 x 75m  
- Southern Oyu (v)
    O/P       127       0.93       50m       828       0.27     75m to 100m  
 
      


90   Rio Tinto 2010 Annual report


Table of Contents

 
 
                                                         
            Proven ore reserves at end 2010     Probable ore reserves at end 2010  
    Type of                     Drill hole                     Drill hole  
    mine (b)     Tonnage     Grade     spacing (kk)     Tonnage     Grade     spacing (kk)  
IRON ORE (c)           millions                     millions                
          of tonnes     %Fe             of tonnes     %Fe          
 
Reserves at operating mines
                                                       
Hamersley wholly owned (Australia)
                                                       
- Brockman 2 (Brockman ore) (w)
    O/P       11       62.6       50m x 50m       1       62.5     Max 100m  
- Brockman 4 (Brockman ore)
    O/P       353       62.2       50m x 50m       251       61.9   200m x 100m  
- Marandoo (Marra Mamba ore) (x)
    O/P       205       63.4       75m x 75m       31       61.2     Max 150m  
- Mt Tom Price (Brockman ore) (y)
                                                       
- mine
    O/P       29       63.7       30m x 30m       40       63.5       60m x 30m  
- stockpiles (g)
    S/P                               14       62.6          
- Mt Tom Price (Marra Mamba ore) (z)
    O/P       18       61.4       60m x 30m       2       58.9       60m x 30m  
- Nammuldi (Marra Mamba ore)
    O/P       10       61.3       50m x 50m       6       61.2       100m x 50m  
- Paraburdoo (Brockman ore)
    O/P       9       63.3       30m x 30m       5       63.7       60m x 30m  
- Turee Syncline Central (Brockman ore)
    O/P       72       62.0       60m x 60m       6       61.5       120m x 120m  
- Western Turner Syncline (Brockman ore)
    O/P       224       62.5       60m x 60m       67       61.3       60m x 60m  
- Yandicoogina (Pisolite ore HG) (aa)
                                                       
- mine
    O/P       171       58.6       50m x 50m                          
- stockpiles (g)
    S/P                               5       58.5          
- Yandicoogina (Process product) (bb)
    O/P       91       58.6       50m x 50m                          
Hamersley - Channar (Australia) (cc)
                                                       
- Brockman ore
    O/P       44       63.1       60m x 60m       21       62.7     Max 120m  
Hamersley - Eastern Range (Australia) (dd)
                                                       
- Brockman ore
    O/P       48       62.9       60m x 60m       10       62.7     Max 120m  
Hope Downs 1 (Australia)
                                                       
- Marra Mamba ore
    O/P       20       61.6       50m x 50m       304       61.5       50m x 50m  
Iron ore Company of Canada (Canada) (ee)
    O/P       366       65.0       122m x 61m       272       65.0       122m x 122m  
Robe River (Australia)
                                                       
- Pannawonica (Pisolite ore)
                                                       
- mine
    O/P       187       57.4   Max 70m x 70m       52       56.1   Max 100m x 100m  
- stockpiles (g)
    S/P       3       56.9               6       59.0          
- West Angelas (Marra Mamba ore)
                                                       
- mine
    O/P       154       62.1       50m x 50m       163       61.4   Max 200m x 50m  
- stockpiles (g)
    S/P       0.3       62.7               2       57.8          
 
MOLYBDENUM
          millions                     millions                  
          of tonnes     %Mo             of tonnes     % Mo          
 
Reserves at operating mine
                                                       
Bingham Canyon (US) (o) (ff)
                                                       
- mine
    O/P       418       0.044       85m       470       0.036       131m  
- stockpiles (g)
    S/P       52       0.028               34       0.013          
 
NICKEL
          millions                     millions                  
          of tonnes     %Ni             of tonnes     % Ni          
 
Undeveloped reserves (n)
                                                       
Eagle (US) (s)
    U/G                               4       3.15       25m  
 
()


ww w.riotinto.com   91


Table of Contents

Ore Reserves (under Industry Guide 7) continued
 

                                                         
            Proven ore reserves at end 2010     Proven ore reserves at end 2010  
    Type of                     Drill hole                     Drill hole  
    mine (b)     Tonnage     Grade     spacing (kk)     Tonnage     Grade     spacing (kk)  
SILVER           millions     grammes             millions     grammes          
          of tonnes     per tonne             of tonnes     per tonne          
 
Reserves at operating mines
                                                       
Bingham Canyon (US) (o)
                                                       
- mine
    O/P       418       2.23       85m       470       1.89       131m  
- stockpiles (g)
    S/P       52       1.31               34       1.38          
Grasberg (Indonesia) (p)
    O/P + U/G       825       4.22     16m to 53m       1,750       4.08     51m to 105m  
 
TALC (f)
          millions                     millions                  
          of tonnes                     of tonnes                  
 
Reserves at operating mines
                                                       
Rio Tinto Minerals - talc (gg)
                                                       
(Europe/North America/Australia)
                                                       
- mine
    O/P + U/G       23.3             10m to 50m       8.7             15m to 100m  
- stockpiles
    S/P       0.2                                          
 
TITANIUM DIOXIDE FEEDSTOCK (f)
          millions                     millions                  
          of tonnes                     of tonnes                  
 
Reserves at operating mines
                                                       
RTFT (Canada)
    O/P       27.2               60m       23.5               100m  
QMM (Madagascar) (hh)
    D/O       1.8               200m x 100m       7.5               100m x 100m  
 
URANIUM
          millions                     millions                  
          of tonnes       %U3O8             of tonnes       %U3O8          
 
Reserves at operating mines
                                                       
Energy Resources of Australia (Australia) (ii)
                                                       
- Ranger #3 mine
    O/P       3.5       0.213       25m x 25m       1.1       0.185       50m x 50m  
- Ranger #3 stockpiles (g)
    S/P                               20.3       0.101          
Rössing (Namibia) (jj)
                                                       
- mine
    O/P       42.7       0.032       20m x 20m       125.4       0.040       120m x 120m  
- stockpiles (g)
    S/P       3.3       0.029                                  
 
      


92   Rio Tinto 2010 Annual report


Table of Contents

 
Notes
(a)   Commodity prices (based on a three year average historical price to 30 June, 2010) used to test whether the reported reserve estimates could be economically extracted, include the following benchmark prices :
                 
Ore reserve   Unit     US$  
 
Aluminium
  pound       0.99  
Copper
  pound       2.93  
Gold
  ounce       930  
Iron Ore
               
Australian benchmark (fines)
  dmtu**       120.4  
Molybdenum
  pound       21.04  
Nickel
  pound       9.33  
Silver
  ounce       15.09  
 
    ** dry metric tonne unit
 
    Prices for all other commodities are determined by individual contract negotiation. The reported reserves for these commodities have been tested to confirm that they could be economically extracted using a combination of existing contract prices until expiry and thereafter three year historical prices.
 
(b)   Type of mine: O/P = open pit, O/C = open cut, U/G = underground, D/O = dredging operation.
 
(c)   Reserves of iron ore, bauxite and diamonds are shown as recoverable reserves of marketable product after accounting for all mining and processing losses. Mill recoveries are therefore not shown.
 
(d)   The decrease in reserves at Porto Trombetas results from production as well as reclassification of material ahead of permitting.
 
(e)   The decrease in reserves at Sangaredi follows production.
 
(f)   Reserves of industrial minerals are expressed in terms of marketable product, i.e. after all mining and processing losses. In the case of borates, the marketable product is B2O3.
 
(g)   Stockpile components of reserves are shown for all operations at the relevant mine.
 
(h)   Coal reserves are shown as both recoverable and marketable. The yield factors shown reflect the impact of further processing, where necessary, to provide marketable coal. All reserves at operating mines are assigned, all undeveloped reserves are unassigned. By “assigned” and “unassigned,” we mean the following: assigned reserves means coal which has been committed by the coal company to operating mine shafts, mining equipment, and plant facilities, and all coal which has been leased by the company to others; unassigned reserves represent coal which has not been committed, and which would require new mineshafts, mining equipment, or plant facilities before operations could begin on the property.
 
(i)   Coal type: SC: steam/thermal coal, MC: metallurgical/coking coal.
 
(j)   Analyses of coal from the US were undertaken according to ASTM Standards on an “As Received” moisture basis whereas the coals from Australia have been analysed on an “Air Dried” moisture basis according to Australian Standards. MJ/kg = megajoules per kilogramme. 1 MJ/kg = 430.2 Btu/lb.
 
(k)   The reduced reserves at Blair Athol reflect production and reclassification of material following an economic re-evaluation.
 
(l)   The lower reserve at Hail Creek has resulted from model updates and yield data refinement, production depletions and reclassification of tonnes following a strategic review.
 
(m)   The lower reserve tonnage at Colowyo follows production depletion.
 
(n)   The term “other undeveloped reserves” is used here to describe material that is economically viable on the basis of technical and economic studies but for which mining and processing permits may have yet to be requested or obtained. There is a reasonable, but not absolute, certainty that the necessary permits will be issued and that mining can proceed when required.
(o)   A strategic review of the Bingham Canyon pit has led to significant conversions of material to reserves with resulting recasting of tonnage and grade figures. This has added tonnes far in excess of the annual production.
 
(p)   Under the terms of a joint venture agreement between Rio Tinto and FCX, Rio Tinto is entitled to a direct 40 per cent share in reserves discovered after 31 December 1994 and it is this entitlement that is shown.
 
(q)   Tonnage and grade depletions at Northparkes stem from campaign mining and selective stockpiling ahead of processing.
 
(r)   The decrease in the Palabora reserve tonnage follows production as well as planning and scheduling updates.
 
(s)   The Eagle reserve increase is the result of an updated economic model and a mine design review.
 
(t)   Hugo Dummett North is reported for the first time as a result of technical and economic studies.
 
(u)   Hugo Dummett North Extension is reported for the first time as a result of technical and economic studies.
 
(v)   Rio Tinto’s interest in South Oyu increased from 19.9 to 26.6 per cent during 2010.
 
(w)   The reserve decrease at Hamersley Brockman 2 reflects production and updating of the model.
 
(x)   Hamersley Marandoo (Marra Mamba ore) reserve increase is the result of a strategic review.
 
(y)   The Hamersley Mt Tom Price (Brockman ore) reserve decrease reflects production and updating of the model.
 
(z)   Production led to a decrease in the Hamersley Mt Tom Price (Marra Mamba ore) reserve.
 
(aa)   The Hamersley Yandicoogina (Pisolite ore HG) reserve decrease reflects production and a model update.
 
(bb)   The Hamersley Yandicoogina (Process Product) reserve tonnage decreased following production and selective stockpiling.
 
(cc)   The Hamersley Channar (Brockman ore) reserve decrease reflects a model update.
 
(dd)   The Hamersley Eastern Range (Brockman ore) reserve decrease reflects a model update.
 
(ee)   Reserves at Iron Ore Company of Canada are reported as marketable product (65 per cent pellets and 35 per cent concentrate for sale), at a natural moisture content of two per cent using process upgrade factors derived from current I0C concentrating and pellet operations and a modelling cut off grade of 28 per cent concentrate weight yield. The marketable product is obtained from mined material comprising 860 million dry tonnes at 38.2 per cent iron (Proven) and 630 million dry tonnes at 37.8 per iron (Probable).
 
(ff)   Molybdenum grades interpolated from exploration drilling assays have been factored based on a long reconciliation history to blasthole and mill samples.
 
(gg)   In February 2011, Rio Tinto announced that it had received a binding offer for the purchase of 100 per cent of its talc business.
 
(hh)   Reserve changes at QMM are due to decreased metallurgical recovery, mine design changes and the reclassification of reserve material.
 
(ii)   Mine production and planning updates have reduced the Ranger #3 reserve.
 
(jj)   Production together with a revised model has led to a decrease in Rössing reserve tonnes and an increase in grade.
 
(kk)   Drill hole spacings are either average distances, a specified grid distance (a regular pattern of drill holes the distance between the drill holes along the two axes of the grid will be aligned to test the size, shape and continuity of the mineral deposit; as such there may be different distances between the drill holes along the two axes of a grid) or the maximum drill hole spacing that is sufficient to determine the reserve category for a particular deposit. As the continuity of mineralisation varies from deposit to deposit, the drill hole spacing required to categorise a reserve varies between and within deposit types.
()


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Table of Contents

Mines and production facilities
 
Group mines as at 31 December 2010
(Rio Tinto’s interest 100 per cent unless otherwise shown)
                            
Mine   Location   Access   Title/lease
 
BAUXITE
           
 
CBG Sangaredi (23%)
  Kamsar, Guinea   Road, air and port   Lease expires in 2038
 
 
Gove
  Gove, Northern Territory,   Road, air and port   100% leasehold, expiring in 2011, with most leases having a right
 
  Australia       of renewal for a further 42 years (freehold interest in underlying
 
          land held in escrow by the Northern Land Council on behalf of the
 
          Arnhem Land Aboriginal Land Trust until expiry of the leases,
 
          including period of renewal); additional lease is to be granted by the
 
          Arnhem Land Aboriginal Land Trust for the purpose of residue disposal.
 
MRN Porto Trombetas (12%)
  Porto Trombetas,   Air or port   Mineral rights granted for undetermined period
 
  Para, Brazil        
 
 
 
Weipa/Ely
  Weipa, Queensland,   Road, air and port   The Weipa Queensland Government lease expires in 2041 with an
 
  Australia       option of 21 year extension, then two years’ notice of termination;
 
          the Ely Alcan Queensland Pty. Limited Agreement Act 1965 expires
 
          in 2048 with 21 year right of renewal with a two year notice period
 
 
 
 
COPPER
           
 
Escondida (30%)
  Atacama Desert, Chile   Pipeline and road to deep   Rights conferred by Government under Chilean Mining Code
 
      sea port at Coloso; road    
 
      and rail    
 
Grasberg joint venture
  Papua, Indonesia   Pipeline, road and port   Indonesian Government Contracts of Work expire in 2021 with
(40% of production)
          option of two ten year extensions
 
 
 
Kennecott Utah Copper
  Near Salt Lake City,   Pipeline, road and rail   Owned
Bingham Canyon
  Utah, US        
 
 
 
Northparkes (80%)
  Goonumbla, New South   Road and rail   State Government mining lease issued in 1991 for 21 years.
 
  Wales, Australia       Development consent approved in 2009 for extension of mine
 
          life to 2025
 
 
Palabora (57.7%)
  Phalaborwa, Limpopo   Rail and road   Lease from South African Government until deposits depleted.
 
  Province, South Africa       Base metal claims owned by Palabora
 
 
DIAMONDS & MINERALS
           
Diamonds
           
 
Argyle Diamonds
  Kimberley Ranges, Western   Road and air   Mining tenement held under Diamond (Argyle Diamond Mines
 
  Australia       Joint Venture) Agreement Act 1981–1983; lease extended for
 
          21 years from 2004
 
Diavik (60%)
  Northwest Territories,   Air, ice road in winter   Mining leases from Canadian Federal Government
 
  Canada       expiring in 2017 and 2018
 
 
Murowa (77.8%)
  Zvishavane, Zimbabwe   Road and air   Claims and mining leases
 
 
 
Industrial Minerals
           
 
 
Rio Tinto Minerals – Boron
  California, US   Road, rail and port   Owned
 
Rio Tinto Minerals – Talc
  Trimouns, France (other   Road and rail   Owner of ground (orebody) and long term lease agreement to 2012
 
  smaller operations in        
 
  Australia, Europe and        
 
  North America)        
 
 
Rio Tinto Fer et Titane
  Havre-Saint-Pierre,   Rail and port   Mining covered by two concessions granted by State in 1949 and 1951
Lac Tio
  Quebec, Canada   (St Lawrence River)   which, subject to certain Mining Act restrictions, confer rights and
 
          obligations of an owner
 
QIT Madagascar Minerals
  Fort-Dauphin, Madagascar   Road and port   Mining lease
(80%)
           
 
Richards Bay Minerals (37%)
  Richards Bay, KwaZulu-   Rail, road and port   Long term renewable mineral leases; State lease for Reserve 4 initially
 
  Natal, South Africa       runs to end 2022; Ingonyama Trust lease for Reserve 10 runs to 2022.
 
          Application made for both mineral leases to be converted to new order
 
          mining rights following transfer in December 2009 of 26% interest
 
          to investor groups of previously disadvantaged South Africans in
 
          terms of Mining Charter legislation
 
94   Rio Tinto 2010 Annual report


Table of Contents

 
 
 
 
                     
  History   Type of mine   Power source
 
 
 
 
Bauxite mining commenced in 1973. Shareholders are 51% Halco and 49% Government of Guinea.
  Open cut   On site generation (fuel oil)     
 
Rio Tinto Alcan has held 45% of Halco since 2004. Current annual capacity is 13 million tonnes
       
 
 
Bauxite mining commenced in 1970 feeding both the Gove refinery and export market capped at two million
  Open cut   Central power station located
 
tonnes per annum. Bauxite export ceased in 2006 with feed intended for the expanded Gove refinery. Bauxite
      at the Gove refinery
 
exports recommenced in 2008. Current production capacity about ten million tonnes per annum with mine life
       
 
estimated to 2030
       
 
 
 
 
Mineral extraction commenced in April 1979. Initial production capacity 3.4 million tonnes annually. From
  Open cut   On site generation (heavy oil,
 
October 2003, production capacity up to 16.3 million tonnes per year on a dry basis. Capital structure currently:
      diesel)
 
Vale (40%), BHP Billiton (14.8%), Rio Tinto Alcan (12%), CBA (10%), Alcoa/Abalco (18.2%) and Norsk Hydro (5%)
       
 
 
 
Bauxite mining commenced in 1961 at Weipa. Major upgrade completed at Weipa in 1998. Rio Tinto interest
  Open cut   On site generation; new
 
increased from 72.4% to 100% in 2000 at Weipa. In 1997, Ely Bauxite Mining Project Agreement signed with
      power station commissioned
 
local Aboriginal land owners. Bauxite Mining and Exchange Agreement signed in 1998 with Comalco to allow
      in 2006
 
for extraction of ore at Ely. In 2004 a mine expansion was completed at Weipa that has lifted annual capacity
       
 
to 21.5 million tonnes. Mining commenced on the adjacent Ely mining lease in 2006, in accordance with the
       
 
1998 agreement with Alcan. A second shiploader that increases the shipping capability was commissioned in
       
 
2006 at Weipa. First ore extracted at Ely in 2007
       
 
 
 
 
 
 
 
 
Production started in 1990 and expanded in phases to 2002 when new concentrator was completed; production
  Open pit   Supplied from SING grid
 
from Norte started in 2005 and the sulphide leach produced the first cathode during 2006
      under various contracts with
 
 
      local generating companies
 
 
 
Joint venture interest acquired 1995. Capacity expanded to over 200,000 tonnes of ore per day in 1998. Addition
  Open pit and underground   Long term contract with
 
of underground production of more than 35,000 tonnes per day in 2003. Expansion to 50,000 tonnes per day in
      US-Indonesian consortium
 
mid 2007 and to 80,000 tonnes in 2010
      operated purpose built coal
 
 
      fired generating station
 
 
Interest acquired in 1989. Modernisation includes smelter complex and expanded tailings dam
  Open pit   On site generation
 
 
      supplemented by long
 
 
      term contracts with Rocky
 
 
      Mountain Power
 
 
Production started in 1995; interest acquired in 2000
  Open pit and underground   Supplied from State grid
 
 
 
 
Development of 20 year underground mine commenced in 1996 with open pit closure in 2003
  Underground   Supplied by ESKOM via
 
 
      grid network
 
 
 
 
 
 
 
Interest increased from 59.7% following purchase of Ashton Mining in 2000. Underground mine
  Open pit to underground   Long term contract with Ord
 
project approved in 2005 to extend mine life to 2018
  in future   Hydro Consortium and on
 
 
      site generation
 
 
Deposits discovered 1994-1995. Construction approved 2000. Diamond production started 2003.
  Open pit to underground   On site diesel generators;
 
Second dike closed off in 2005 for mining of additional orebody. The underground mine is
  in future   installed capacity 27MW
 
expected to start production in 2010, ramping up to full production in 2013
      with an upgrade under way
 
 
Discovered in 1997. Small scale production started in 2004
  Open pit   Supplied by ZESA with diesel
 
 
      generator back up
 
 
 
 
 
Deposit discovered in 1925 and acquired by Rio Tinto in 1967
  Open pit   On site co-generation units
 
 
Production started in 1885; acquired in 1988. Australian mine Three Springs acquired in 2001
  Open pit   Supplied by Atel and on site
 
 
      generation units. Australian
 
 
      Three Springs mine power
 
 
      supplied by Western Power
 
 
Production started 1950; interest acquired in 1989
  Open pit   Long term contract with
 
 
      Hydro-Quebec
 
 
 
Began as exploration project 1980s; construction approved 2005; ilmenite production started end of 2008
  Mineral sand dredging   On site diesel generators
 
 
 
Production started 1977; interest acquired 1989. Fifth mining plant commissioned in 2000.
  Beach sand dredging   Contract with ESKOM
 
One mining plant decommissioned in 2008
       
 
 
 
 
 
()


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Table of Contents

Mines and production facilities continued
 
Group mines as at 31 December 2010 continued
(Rio Tinto’s interest 100 per cent unless otherwise shown)
                
Mine   Location   Access   Title/lease
 
ENERGY
           
 
Energy Resources of
  Northern Territory,   Road   Mining tenure granted by Federal Government
Australia (68.4%)
  Australia        
Ranger
           
 
Rio Tinto Coal Australia
  New South Wales   Road, rail, conveyor   Leases granted by state
Bengalla (30.3%)
  and Queensland,   and port    
Blair Athol (71.2%)
  Australia        
Hail Creek (82%)
           
Hunter Valley Operations
           
(75.7%)
           
Kestrel (80%)
           
Mount Thorley Operations
           
(60.6%)
           
Warkworth (42.1%)
           
 
Colowyo (100%)
  Colorado, US   Rail and road   Leases from US and state governments and private parties, with minimum coal production levels,
 
          and adherence to permit requirements and statutes
 
 
Rössing Uranium (68.6%)
  Namib Desert,   Rail, road and port   National government grant
 
  Namibia        
 
IRON ORE
           
 
Hamersley Iron
  Hamersley Ranges,   Railway and port   Agreements for life of mine with Government of Western Australia
Brockman
  Western Australia   (owned by    
Brockman 4
      Hamersley Iron    
Marandoo
      and operated by    
Mount Tom Price
      Pilbara Iron)    
Nammuldi
           
Paraburdoo
           
Western Turner Syncline
           
Yandicoogina
           
Channar (60%)
           
Eastern Range (54%)
           
 
Hope Downs joint venture
  Pilbara region,   Railway owned   Agreements for life of mine with Government of Western Australia
(50% mine, 100%
  Western Australia   and operated    
infrastructure)
      by Rio Tinto    
 
 
Iron Ore Company of
  Labrador City,   Railway and port   Sublease with the Labrador Iron Ore Royalty Income Fund which has lease agreements with the
Canada (58.7%)
  Province of   facilities in Sept-   Government of Newfoundland and Labrador that are due to be renewed in 2020 and 2022
 
  Labrador and   Iles, Quebec (owned    
 
  Newfoundland   and operated    
 
      by IOC)    
 
Robe River Iron Associates
  Pilbara region,   Railway and port   Agreements for life of mine with Government of Western Australia
(53%)
  Western Australia   (owned by Robe    
Mesa J
      River and operated    
Mesa A
      by Pilbara Iron)    
West Angelas
           
 
Dampier Salt (68.4%)
  Dampier, Lake   Road and port   State agreements (mining leases) expiring in 2013 at Dampier, 2018 at Port Hedland and 2021
 
  MacLeod and Port       at Lake MacLeod with options to renew in each case
 
  Hedland, Western        
 
  Australia        
 
 
 


96   Rio Tinto 2010 Annual report


Table of Contents

 
 
 
 
                
    History   Type of mine   Power source
     
 
     
 
  Mining commenced 1981. Interest acquired through North in 2000. Life of mine extension to 2020 announced
in 2007
  Open pit   On site diesel/steam power generation
 
     
 
  Production started for export at Blair Athol in 1984. Kestrel was acquired and recommissioned in 1999.
Hail Creek started in 2003. Coal & Allied shares were first acquired in 1977, and management control
gained in 1993. Successive acquisitions of surrounding assets results in the current portfolio
  Open cut and underground
(Kestrel)
  State owned grid
 
 
 
 
 
 
 
     
 
  Colowyo was acquired in 1995   Open cut   Supplied by IPPs and
Co-operatives through
national grid service
     
 
  Production began in 1978   Open pit   Namibian National Power
 
     
 
     
 
  Annual capacity increased to 68 million tonnes during 1990s. Yandicoogina first ore shipped in 1999 and port
capacity increased. Eastern Range started 2004
  Open pit   Supplied through the
integrated Hamersley and
Robe power network operated
by Pilbara Iron
 
 
 
 
 
 
 
     
 
  Joint venture between Rio Tinto and Hancock Prospecting. Construction of Stage 1 to 22 million tonnes
per annum commenced April 2006 and first production occurred November 2007. Stage 2 to 30 million tonnes
per annum completed 2009
  Open pit   Supplied through the
integrated Hamersley and
Robe power network operated
by Pilbara Iron
     
 
  Interest acquired in 2000 through North. Current operation began in 1962 and has processed over one billion
tonnes of crude ore since. Annual capacity 17.5 million tonnes of concentrate of which 13.5 million tonnes
can be pelletised
  Open pit   Supplied by Newfoundland
Hydro under long term
contract
 
 
     
 
  First shipment in 1972. Annual sales reached 30 million tonnes in late 1990s. Interest acquired in 2000 through
North. West Angelas first ore shipped in 2002 and mine expanded in 2005. Current capacity approximately
50 million tonnes per year
  Open pit   Supplied through the
integrated Hamersley and
Robe power network operated
by Pilbara Iron
 
     
 
  Construction of the Dampier field started in 1969; first shipment in 1972. Lake MacLeod was acquired in 1978
as an operating field. Port Hedland was acquired in 2001 as an operating field
  Solar evaporation of seawater
(Dampier and Port Hedland)
and underground brine (Lake
MacLeod); dredging of
gypsum from surface
of Lake MacLeod
  Dampier supply from
Hamersley Iron Pty Ltd; Lake
MacLeod from Western
Power and on site generation
units; Port Hedland from
Western Power
 
()


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Table of Contents

Mines and production facilities continued
 
Group smelters and refineries
(Rio Tinto’s interest 100 per cent unless otherwise shown)
                                 
                Capacity as of 31 December 2010
Smelter/refinery   Location   Title/lease   Plant type/product   (based on 100% ownership)
 
ALUMINIUM
               
 
Alma
  Alma, Quebec, Canada   100% freehold   Aluminium smelter producing aluminium   438,000 tonnes per year
 
          rod, t-foundry, molten metal, high purity, remelt   aluminium
 
Alouette
  Sept-Îles, Quebec, Canada   100% freehold   Aluminium smelter producing aluminium   590,000 tonnes per year        
(40%)
          high purity, remelt   aluminium
 
Alucam
  Edéa, Cameroon   100% freehold   Aluminium smelter producing aluminium   100,000 tonnes per year
(46.7%)
          slab, remelt   aluminium
 
Arvida
  Saguenay, Quebec, Canada   100% freehold   Aluminium smelter producing aluminium   176,000 tonnes per year
 
          billet, molten metal   aluminium
 
Bécancour
  Bécancour, Quebec, Canada   100% freehold   Aluminium smelter producing aluminium   430,000 tonnes per year
(25.1%)
          slab, billet, t-foundry, remelt   aluminium
 
Bell Bay
  Bell Bay, Northern   100% freehold   Aluminium smelter producing aluminium slab,   180,000 tonnes per year
 
  Tasmania, Australia       molten metal, small form and t-foundry, remelt   aluminium
 
Boyne Smelters
  Boyne Island, Queensland,   100% freehold   Aluminium smelter producing aluminium billet,   559,000 tonnes per year
(59.4%)
  Australia       EC grade, small form and t-foundry, remelt   aluminium
 
Dunkerque
  Dunkerque, France   100% freehold   Aluminium smelter producing aluminium   262,000 tonnes per year
 
          slab, small form foundry, remelt   aluminium
 
Gardanne
  Gardanne, France   100% freehold   Refinery producing specialty aluminas   635,000 tonnes per year
 
              specialty aluminas
 
Gove
  Gove, Northern Territory,   100% leasehold, expiring in 2011,   Refinery producing alumina   2,570,000 tonnes per year
 
  Australia   with most leases having a right of       alumina
 
      renewal for a further 42 years        
 
      (freehold interest in underlying        
 
      land held in escrow by the        
 
      Northern Land Council on behalf        
 
      of the Arnhem Land Aboriginal        
 
      Land Trust until expiry of the        
 
      leases, including period of        
 
      renewal); additional lease is to        
 
      be granted by the Arnhem Land        
 
      Aboriginal Land Trust for the        
 
      purpose of residue disposal        
 
Grande-Baie
  Saguenay, Quebec, Canada   100% freehold   Aluminium smelter producing aluminium   218,000 tonnes per year
 
          slab, molten metal, high purity, remelt   aluminium
 
ISAL
  Reykjavik, Iceland   100% freehold   Aluminium smelter producing aluminium   189,000 tonnes per year
 
          slab, remelt   aluminium
 
Jonquière
  Jonquière, Quebec, Canada   100% freehold   Refinery producing specialty aluminas and   1,500,000 tonnes per year
(Vaudreuil)
          smelter grade aluminas   alumina
 
Kitimat (a)
  Kitimat, British Columbia,   100% freehold   Aluminium smelter producing aluminium   184,000 tonnes per year
 
  Canada       billet, slab, remelt   aluminium
 
Laterrière
  Saguenay, Quebec, Canada   100% freehold   Aluminium smelter producing aluminium   238,000 tonnes per year
 
          slab, remelt, molten metal   aluminium
 
Lochaber
  Fort William, Scotland, UK   100% freehold   Aluminium smelter producing aluminium   44,000 tonnes per year
 
          slab, remelt   aluminium
 
Lynemouth
  Lynemouth,   100% freehold   Aluminium smelter producing aluminium   181,000 tonnes per year
 
  Northumberland, UK       slab, remelt   aluminium
 
Queensland Alumina
  Gladstone, Queensland,   73.3% freehold; 26.7% leasehold   Refinery producing alumina   3,959,000 tonnes per year
(80%)
  Australia   (of which more than 80% expires       alumina
 
      in 2026 and after)        
 
Saint-Jean-de-Maurienne
  Saint-Jean-de-Maurienne,   100% freehold   Aluminium smelter producing aluminium   139,000 tonnes per year
 
  France       rod, remelt   aluminium
 
São Luis (Alumar)
  São Luis, Maranhão, Brazil   100% freehold   Refinery producing alumina   3,390,000 tonnes per year
(10%)
              alumina
 
Sebree
  Robards, Kentucky, US   100% freehold   Aluminium smelter producing aluminium   198,000 tonnes per year
 
          billet, small form foundry, t-foundry, remelt   aluminium
 
Shawinigan
  Shawinigan, Quebec, Canada   100% freehold   Aluminium smelter producing aluminium   100,000 tonnes per year
 
          billet, remelt   aluminium
 
Sohar
  Sohar, Oman   100% leasehold (expiring 2039)   Aluminium smelter producing aluminium,   370,000 tonnes per year
(20%)
          high purity, remelt   aluminium
 
SØRAL
  Husnes, Norway   100% freehold   Aluminium smelter producing aluminium   173,000 tonnes per year
(50%)
          billet, remelt   aluminium


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Group smelters and refineries continued
(Rio Tinto’s interest 100 per cent unless otherwise shown)
                                     
                Capacity as of 31 December 2010
Smelter/refinery   Location   Title/lease   Plant type/product   (based on 100% ownership)
 
ALUMINIUM
               
 
Tiwai Point
  Invercargill, Southland,   19.6% freehold; 80.4% leasehold   Aluminium smelter producing aluminium   365,000 tonnes per year
(New Zealand
  New Zealand   (expiring in 2029 and use of   billet, slab, small form foundry, high   aluminium
Aluminium Smelters)
      certain Crown land)   purity, remelt    
(79.4%)
               
 
Tomago
  Tomago, New South Wales,   100% freehold   Aluminium smelter producing aluminium   533,000 tonnes per year
(51.6%)
  Australia       billet, slab, remelt   aluminium
 
Yarwun
  Gladstone, Queensland,   97% freehold. 3% leasehold   Refinery producing alumina   1,400,000 tonnes per year
 
  Australia   (expiring 2101 and after)       alumina
 
COPPER
               
 
Kennecott Utah Copper
  Magna, Salt Lake City,   100% freehold   Flash smelting furnace/Flash   335,000 tonnes per year
 
  Utah, US       convertor furnace copper refinery   refined copper
 
Palabora
  Phalaborwa, South Africa   100% freehold   Reverberatory Pierce Smith copper refinery   90,000 tonnes per year
(57.7%)
              refined copper
 
DIAMONDS & MINERALS
         
 
Boron
  California, US   100% freehold   Borates refinery   565,000 tonnes per year
 
              boric oxide
 
Rio Tinto Fer et Titane
  Sorel-Tracy, Quebec, Canada   100% freehold   Ilmenite smelter   1,100,000 tonnes per year
Sorel Plant
              titanium dioxide slag,
 
              900,000 tonnes per year iron
 
Richards Bay Minerals
  Richards Bay, South Africa   100% freehold   Ilmenite smelter   1,060,000 tonnes per year
(37%)
              titanium dioxide slag,
 
              550,000 tonnes per year iron
 
IRON ORE
               
 
HIsmelt®
  Kwinana, Western Australia   100% leasehold (expiring in 2010   HIsmelt® ironmaking plant producing pig iron   800,000 tonnes per year
(60%) (b)
      with rights of renewal for further       pig iron
 
      25 year terms)        
 
IOC Pellet Plant
  Labrador City, Newfoundland   100% leaseholds (expiring in   Pellet induration furnaces producing multiple   13,500,000 tonnes per year
(59%)
  and Labrador, Canada   2020, 2022 and 2025 with   iron ore pellet types   pellet
 
      rights of renewal for further        
 
      terms of 30 years)        
 
 
Notes:
 
(a)   Capacity as at 31 December 2010 reflects the closures of two potlines in preparation for the Kitimat modernisation project. The nameplate capacity of the Kitimat smelter remains at 282,000 tonnes per year.
 
(b)   In March 2009, Rio Tinto announced that HIsmelt® would be placed on an extended care and maintenance programme. In December 2010, the HIsmelt® joint venture partners agreed to close the Kwinana site permanently and terminate the joint venture. A closure study is expected to be completed by 2012.


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Table of Contents

Mines and production facilities continued
 
Information on Group power plants
(Rio Tinto’s interest 100 per cent unless otherwise shown)
                                     
                Capacity as of 31 December 2010
    Location   Title/lease   Plant type/product   (based on 100% ownership)
 
ALUMINIUM
               
 
Gladstone power station
  Gladstone, Queensland,   100% freehold   Thermal power station   1,680 megawatts
(42%)
  Australia            
 
Highlands power stations
  Lochaber, Kinlochleven, UK   100% freehold   Hydroelectric power   80 megawatts
 
Lynemouth power station
  Lynemouth, UK   100% freehold   Thermal power station   420 megawatts
 
Kemano power station
  Kemano, British Columbia,   100% freehold   Hydroelectric power   896 megawatts
 
  Canada            
 
Quebec power stations
  Saguenay, Quebec, Canada   100% freehold (except Péribonka   Hydroelectric power   2,919 megawatts
 
  (Chute-à-Caron, Chute-à-la-   lease to 2058)        
 
  Savane, Chutes-des-Passes,            
 
  Chute-du-Diable, Isle-            
 
  Maligne, Shipshaw)            
 
Vigelands power station
  Nr Kristiansand, Norway   100% freehold   Hydroelectric power   26 megawatts
 
Yarwun alumina refinery
  Gladstone, Queensland,   100% freehold   Gas turbine and heat recovery steam generator   160 megawatts
co-generation plant
  Australia       providing process steam and power for the    
 
          alumina refining operations. Excess power    
 
          sold to grid.    
 
COPPER
               
 
Phalaborwa power station
  Phalaborwa, Limpopo   100% freehold   Steam turbine running off waste heat boilers   9.27 megawatts
(57.7%)
  Province, South Africa       at the copper smelter    
 
Puncakjaya Power
  Grasberg, Papua, Indonesia   Lease   Diesel power plant   193 megawatts
(22.12%)
          Thermal power plant    
 
Kennecott Utah Copper
  Salt Lake City, Utah, US   100% freehold   Thermal power station   175 megawatts
Power Stations
               
 
               
 
          Steam turbine running off waste heat boilers   31.8 megawatts
 
          at the copper smelter    
 
          Combined heat and power plant supplying   6.2 megawatts
 
          steam to the copper refinery    
 
Kennecott Utah Copper
  Salt Lake City, Utah, US   100% freehold (in 2011 or 2012)   Combined heat and power plant supplying   6.2 megawatts
 
          steam to the molybdenum autoclave plant   (in 2011 or 2012)
 


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                Capacity as of 31 December 2010
    Location   Title/lease   Plant type/product   (based on 100% ownership)
 
DIAMONDS & MINERALS
               
 
Boron co-generation plant
  Boron, California, US   100% freehold (Rio Tinto Minerals   Co-generation uses natural gas to 100MW (85MW of which are sold
 
      operates a second plant owned generate steam, used to run Boron’s   to a local utility)
 
      by a third party)   refining operations    
 
ENERGY
               
 
Energy Resources of
  Ranger mine, Jabiru,   100% freehold   Five diesel generator sets rated at   27.4MW
Australia (Rio Tinto: 68%)
  Northern Territory, Australia       5.1MW; 1 diesel generator rated at 1.9MW    
 
IRON ORE
               
 
Cape Lambert power
station
(Rio Tinto: 53%)
  Cape Lambert, Western
Australia, Australia
  Lease   Gas fired boilers with steam turbines   105MW
 
Paraburdoo power station
  Paraburdoo, Western   Lease   LM6000 PC gas fired turbines   153MW
 
  Australia, Australia            
 
Yurralyi Maya power
  Dampier, Western Australia,   Lease   LM6000 PD gas fired turbines   180MW
station
  Australia            
(Rio Tinto: 58%)
               
 
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Table of Contents

Board of directors
 
 

The board comprises the chairman, three executive directors and
ten independent non executive directors.


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102   Rio Tinto 2010 Annual report


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1.   Jan du Plessis (c and e) Chairman, BCom, LLB, CA (SA), age 57 Appointment and election: Director of Rio Tinto plc and Rio Tinto Limited effective September 2008. Jan was elected by shareholders at the 2009 annual general meetings. He was appointed chairman at the conclusion of the 2009 annual general meetings.
 
    Skills and experience: Jan worked in various management positions in the South African Rembrandt Group from 1981, and in 1988, became Group Finance Director of Compagnie Financière Richemont, the Swiss luxury goods group. becoming chairman of British American Tobacco in 2004.
 
    External appointments (current and recent): Non executive director of Marks and Spencer Group plc since 2008, non executive director of British American Tobacco plc from 1999 and chairman of the board from 2004 until 2009, non executive director and chairman of the audit committee of Lloyds Banking Group plc from 2005 and 2008 respectively until 2009, chairman of RHM plc from 2005 until 2007.
 
2.   Tom Albanese (e) Chief executive, BS (Mineral Economics), MS (Mining Engineering), age 53
 
    Appointment and election: Director of Rio Tinto plc and Rio Tinto Limited since 2006. Tom was last re-elected in 2008.
 
    Skills and experience: Tom joined Rio Tinto in 1993 on Rio Tinto’s acquisition of Nerco and held a series of management positions before being appointed chief executive of the Industrial Minerals group in 2000, after which he became chief executive of the Copper group and head of Exploration in 2004. He took over as chief executive with effect from 2007.
 
    External appointments (current and recent): Director of Ivanhoe Mines Limited from 2006 to 2007, director of Palabora Mining Company from 2004 to 2006, member of the executive committee of the International Copper Association from 2004 to 2006, member of the board of visitors, Duke University, Fuqua School of Business from 2009.
 
3.   Robert Brown (c, d and f) Non executive director, BSc, age 66 Appointment and election: Appointed a director of Rio Tinto plc and Rio Tinto Limited in April 2010. Bob was elected by shareholders at the 2010 annual general meetings.
 
    Skills and experience: Bob is chairman of Groupe Aeroplan Inc and serves on the board of Bell Canada Enterprises (BCE Inc), the holding company for Bell Canada. He was previously president and chief executive officer of CAE Inc, a world leader in flight simulation and training. Before that he spent 16 years at Bombardier Inc where he was first head of the Aerospace Group and then president and chief executive officer. He has also served as chairman of Air Canada and of the Aerospace Industries Association of Canada.
 
    Bob was inducted to the Order of Canada as well as l’Ordre National du Québec. He has been awarded honorary doctorates from five Canadian universities.
 
    External appointments (current and recent): Non executive director of Groupe Aeroplan Inc since 2005 and chairman since 2008, non executive director of Bell Canada Enterprises (BCE Inc) since 2009, president and chief executive officer of CAE Inc from 2004 until 2009, non executive director of Nortel Corporation from 2000 to 2006, Ace Aviation Holdings Inc from 2004 to 2009 and Fier CPVC Montreal L.P., trustee of Jazz Air Income Fund from 2006-2008.
4.   Vivienne Cox (a, c, d and f) Non executive director,
MA (Oxon), MBA (INSEAD), Honorary PhD (Hull), age 51 Appointment and election: Director of Rio Tinto plc and Rio Tinto Limited since 2005. Vivienne was last re-elected in 2008.
 
    Skills and experience: Vivienne was executive vice president and chief executive officer, Alternative Energy for BP plc until 2009. She became a member of the BP group chief executive’s committee when she became chief executive of the Gas, Power and Renewables business. During her career at BP she worked in chemicals, exploration, finance and refining and marketing. Vivienne holds degrees in chemistry from Oxford University and in business administration from INSEAD.
 
    External appointments (current and recent): Non executive director of the Department for International Development since December 2010, non executive director of The Climate Change Organisation since December 2010, non executive director of Climate Change Capital Limited since 2008 and non executive chairman since 2009, member of the supervisory board of Vallourec since February 2010, member of the offshore advisory committee of Mainstream Renewable Power since September 2010, member of the board of INSEAD since 2009, executive vice president for BP plc between 2004 and 2009.
 
5.   Sir Rod Eddington (c, d and f) Non executive director,
BEng, MEng, DPhil (Oxon), age 61
 
    Appointment and election: Director of Rio Tinto plc and Rio Tinto Limited since 2005. Sir Rod was last re-elected in 2009 and will retire at the conclusion of the Rio Tinto Limited annual general meeting in 2011.
 
    Skills and experience: Sir Rod was chief executive of British Airways plc until 2005. Prior to his role with British Airways, Sir Rod was managing director of Cathay Pacific Airways from 1992 until 1996 and executive chairman of Ansett Airlines from 1997 until 2000.
 
    External appointments (current and recent): Non executive chairman of JPMorgan Australia and New Zealand since 2006, director of CLP Holdings since 2006, director of News Corporation plc since 1999, director of John Swire & Son Pty Limited since 1997, chairman of Infrastructure Australia since 2008, director of Allco Finance Group Limited from 2006 until 2009, chief executive of British Airways plc from 2000 until 2005, chairman of the EU/Hong Kong Business Co-operation Committee of the Hong Kong Trade Development Council from 2002 until 2006.
 
6.   Guy Elliott (e) Chief financial officer,
MA (Oxon), MBA (INSEAD), age 55
 
    Appointment and election: Chief financial officer of Rio Tinto plc and Rio Tinto Limited since 2002. Guy was last re-elected in 2010.
 
    Skills and experience: Guy joined the Group in 1980 after gaining an MBA having previously been in investment banking. He subsequently held a variety of commercial and management positions, including head of Business Evaluation and president of Rio Tinto Brasil.
 
    External appointments (current and recent): Non executive director and member of the audit committee of Royal Dutch Shell plc since September 2010. Non executive director and senior independent director of Cadbury plc from 2007 and 2008 respectively until March 2010.


      
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Board of directors continued
 

7.   Michael Fitzpatrick (a, b, c and f) Non executive director,
BEng, BA (Oxon), age 58
 
    Appointment and election: Director of Rio Tinto plc and Rio Tinto Limited since 2006. Michael was re-elected at the 2010 annual general meetings.
 
    Skills and experience: Michael sold his interest in, and ceased to be a director of, Hastings Funds Management Ltd during 2005, the pioneering infrastructure asset management company which he founded in 1994. He is chairman of Treasury Group Limited, an incubator of fund management companies. He is chairman of the Australian Football League, having previously played the game professionally, and is a former chairman of the Australian Sports Commission.
 
    External appointments (current and recent): Chairman of Treasury Group Limited since 2005, director of the Walter & Eliza Hall Institute of Medical Research since 2001, chairman of the Victorian Funds Management Corporation from 2006 to 2008, managing director of Hastings Funds Management Ltd from 1994 to 2005, director of Australian Infrastructure Fund Limited from 1994 to 2005.
 
8.   Yves Fortier (c, d and f) Non executive director,
CC, OQ, QC, LLD, Av Em, age 75
 
    Appointments and election: Director of Rio Tinto plc and Rio Tinto Limited since 2007. Yves was elected by shareholders in 2008 and will retire at the conclusion of the Rio Tinto Limited annual general meeting in 2011.
 
    Skills and experience: Yves Fortier was ambassador and permanent representative of Canada to the United Nations from 1988 to 1992. He is chairman emeritus and a senior partner of the law firm Ogilvy Renault and was chairman of Alcan from 2002 until 2007.
 
    External appointments (current and recent): Chairman emeritus and senior partner of Ogilvy Renault since 2009, chairman of Ogilvy Renault from 1992 until 2009, director of NOVA Chemicals Corporation from 1998 until 2009, chairman and director of Alcan Inc. from 2002 until 2007, director of Royal Bank of Canada from 1992 to 2005, director of Nortel Corporation from 1992 to 2005, governor of Hudson’s Bay Company from 1998 to 2006, trustee of the International Accounting Standards Committee from 2000 to 2006.
 
9.   Ann Godbehere (a, c and f) Non executive director, FCGA, age 55 Appointment and election: Appointed a director of Rio Tinto plc and Rio Tinto Limited in February 2010. Ann was elected by shareholders at the 2010 annual general meetings. Ann is chairman of the Audit committee.
 
    Skills and experience: Ann succeeded Sir David Clementi as chairman of the Audit committee upon his retirement from the board at the conclusion of the 2010 annual general meetings. Ann has more than 25 years’ experience in the financial services industry. She spent ten years at Swiss Re, latterly as chief financial officer from 2003 until 2007 and from 2008 until 2009 she was interim chief financial officer and executive director of Northern Rock post nationalisation.
 
    External appointments (current and recent): Non executive director of UBS AG since 2009, non executive director of Atrium Underwriting Group Limited and Ariel Group Limited since 2007, non executive director of Prudential since 2007 and chairman of the Audit committee since 2009, chief financial officer and executive director of Northern Rock from 2008 to 2009.
10.   Richard Goodmanson (b, c, d and f) Non executive director, MBA, BEc and BCom, BEng (Civil), age 63
 
    Appointment and election: Director of Rio Tinto plc and Rio Tinto Limited since 2004. He was last re-elected in 2008 and is chairman of the Committee on social and environmental accountability.
 
    Skills and experience: Richard was executive vice president and chief operating officer of DuPont until 2009. He was responsible for a number of the global functions, and for the non US operations of DuPont, with particular focus on growth in emerging markets. During his career he has worked at senior levels for McKinsey & Co, PepsiCo and America West Airlines, where he was president and chief executive officer.
 
    External appointments (current and recent): Non executive director of Qantas Airways Limited since 2008, economic adviser to the governor of Guangdong Province, China from 2003 to 2009, executive vice president and chief operating officer of DuPont from 1999 until 2009, director of the United Way of Delaware between 2002 and 2009 (chairman between 2006 and 2007).
 
11.   Andrew Gould (b, c and f) Non executive director,
BA, FCA, age 64 Appointment and election: Director of Rio Tinto plc and Rio Tinto Limited since 2002. Andrew was appointed the senior independent non executive director and chairman of the Remuneration committee at the conclusion of the 2008 annual general meetings. Andrew was last re-elected in 2009.
 
    Skills and experience: Andrew is chairman and chief executive officer of Schlumberger Limited, where he has held a succession of financial and operational management positions, including that of executive vice president of Schlumberger Oilfield Services and president and chief operating officer of Schlumberger Limited. He has worked in Asia, Europe and the US. He joined Schlumberger in 1975. He holds a degree in economic history from Cardiff University and qualified as a chartered accountant with Ernst & Young.
 
    External appointments (current and recent): Chairman and chief executive officer of Schlumberger Limited since 2003, member of the board of trustees of King Abdullah University of Science and Technology in Jeddah, Saudi Arabia since 2008, member of the advisory board of the King Fahd University of Petroleum and Minerals in Dhahran, Saudi Arabia since 2007, member of the commercialisation advisory board of Imperial College of Science Technology and Medicine, London since 2002, member of the UK prime minister’s Council of Science and Technology from 2004 to 2007.
 
12.   Lord Kerr of Kinlochard (a, c, d and f) Non executive director, GCMG, MA, age 69
 
    Appointment and election: Director of Rio Tinto plc and Rio Tinto Limited since 2003. He was last re-elected in 2010.
 
    Skills and experience: John Kerr was in the UK Diplomatic Service for 36 years and headed it from 1997 to 2002 as permanent under secretary at the Foreign Office. John previously served in HM Treasury, and in the Soviet Union and Pakistan, as ambassador to the European Union (1990 to 1995), and the US (1995 to 1997). He has been an independent member of the House of Lords since 2004.
 
    External appointments (current and recent): Director of Scottish Power Limited since 2009, deputy chairman of Royal Dutch Shell plc since 2005, director of The Scottish American Investment Trust plc since 2002, advisory board member, BAE Systems since 2008,


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    chairman of the Centre for European Reform (London) since 2008, vice president of the European Policy Centre (Brussels) since 2007, chairman of the Court and Council of Imperial College, London since 2005, trustee of the Carnegie Trust for the Universities of Scotland since 2005, director of The “Shell” Transport and Trading Company plc 2002 to 2005, advisory board member, Scottish Power (Iberdrola) from 2007 to 2009, trustee of the National Gallery from 2002 to 2010 and trustee of the Rhodes Trust from 1997 to 2010.
 
13.   Hon. Paul Tellier (a, b, c and f) Non executive director, LL.L, BLitt (Oxon), LLD, CC. age 71
 
    Appointment and election: Director of Rio Tinto plc and Rio Tinto Limited since 2007. Paul was elected at the 2008 annual general meetings.
 
    Skills and experience: Paul was clerk of the Privy Council Office and secretary to the Cabinet of the Government of Canada from 1985 to 1992 and was president and chief executive officer of the Canadian National Railway Company from 1992 to 2002. Until 2004, he was president and chief executive officer of Bombardier Inc.
 
    External appointments (current and recent): Chairman of Global Container Terminals since 2007, director of McCain Foods since 1996, trustee of the International Accounting Standards Foundation since 2007, co-chair of the Prime Minister of Canada’s Advisory Committee on the Renewal of the Public Service since 2006, strategic advisor to Société Générate (Canada) since 2005, member of the advisory board of General Motors of Canada since 2005, director of Bell Canada from 1996 to May 2010, director of BCE Inc from 1999 to May 2010, non executive director of Alcan Inc. from 1998 to 2007.
 
14.   Sam Walsh Executive director, AO, BCom (Melbourne), age 61 Appointment and election: Director of Rio Tinto plc and Rio Tinto Limited since 2009. Sam was elected by shareholders at the 2010 annual general meetings.
 
    Skills and experience: Sam was appointed executive director and chief executive, Iron Ore and Australia in 2009. He joined Rio Tinto in 1991, following 20 years in the automotive industry at General Motors and Nissan Australia. He has held a number of management positions within the Group, including from 2001 to 2004 chief executive of the Aluminium group and from 2004 to 2009 chief executive of the Iron Ore group. Sam is also a Fellow of the Australian Institute of Management, the Australasian Institute of Mining and Metallurgy and the Australian Institute of Company Directors. In June 2010, Sam was appointed an Officer in the General Division of the Order of Australia.
 
    External appointments (current and recent): Member of the University of Western Australia’s Energy and Minerals Institute board of trustees since September 2010, director of West Australian Newspaper Holdings Limited since 2008, director of the Committee for Perth Ltd between 2006 and 2009, director of the Australian Mines and Metals Association between 2001 and 2005, director of the Australian Chamber of Commerce and Industry between 2003 and 2005.
    Directors who left the Group during 2010
 
    Sir David Clementi MA, MBA
 
    Director of Rio Tinto plc and Rio Tinto Limited since 2003. Sir David was chairman of the Audit committee until his retirement at the conclusion of the 2010 annual general meetings.
 
    Skills and experience: Sir David was chairman of Prudential plc until 2008, prior to which he was deputy governor of the Bank of England. His earlier career was with Kleinwort Benson where he spent 22 years, holding various positions including chief executive and vice chairman. A graduate of Oxford University and a qualified chartered accountant, Sir David also holds an MBA from Harvard Business School.
 
    External appointments (current and recent) upon leaving the Group: Non executive director of Foreign & Colonial Investment Trust plc since 2008, chairman, King’s Cross Central General Partnership since 2008, chairman of Prudential plc from 2002 until 2008, member of the Financial Reporting Council between 2003 and 2007.
 
    David Mayhew
 
    Director of Rio Tinto plc and Rio Tinto Limited from 2000 until his retirement at the conclusion of the 2010 annual general meetings.
 
    Skills and experience: David joined Cazenove in 1969 and in 1986 he became the partner in charge of the firm’s Capital Markets Department. He became chairman of Cazenove Group Limited in 2001 and JPMorgan Cazenove in 2005 until January 2010 when he became vice chairman of JPMorgan.
 
    External appointments (current and recent) upon leaving the Group: Vice chairman of JPMorgan effective January 2010, chairman of Cazenove Group Limited between 2001 and January 2010, chairman of JPMorgan Cazenove Holdings Limited (formerly Cazenove Group plc) between 2005 and January 2010.
 
Notes
 
(a)   Audit committee
 
(b)   Remuneration committee
 
(c)   Nominations committee
 
(d)   Committee on social and environmental accountability
 
(e)   Chairman’s committee
 
(f)   Independent


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Executive committee
 

The Executive committee is responsible, under the leadership of the
chief executive, for the management of the business, setting performance
targets and implementation of the Group’s strategy.
(IMAGE)

1.   Hugo Bague MA (Linguistics), age 50
 
    Skills and experience: Hugo Bague was appointed Group executive, People & Organisation in 2009 having joined Rio Tinto as global head of Human Resources in 2007. Previously he worked for Hewlett-Packard where he was the global vice president, Human Resources for the Technology Solutions Group, based in the US. Prior to this he worked for Compaq Computers, Nortel Networks and Abbott Laboratories based in Switzerland, France and Germany.
 
    External appointments (current and recent): Non executive director and member of the nominating and governance committee and the compensation committee of Jones Lang LaSalle Incorporated since March 2011. Member of the Advisory Council of United Business Institute in Brussels, Belgium since 1995.
 
2.   Preston Chiaro BSc (Hons) (Environmental Engineering), MEng (Environmental Engineering), age 57
 
    Skills and experience: Preston was appointed Group executive, Technology & Innovation in 2009. He joined the Group in 1991 at Kennecott Utah Copper’s Bingham Canyon mine as vice president, Technical Services. In 1995 he became vice president and general manager of the Boron Operations in California and was chief executive of Rio Tinto Borax from 1999 to 2003. Preston then became chief executive of the Energy group and in 2007, upon a management re-organisation, he also assumed responsibility for the Industrial Minerals group.
 
    External appointments (current and recent): Director of Cloud Peak Energy Inc from 2008 to 2011, board member of Resources for the Future since 2006, director of Rössing Uranium Limited from 2004 to 2009, director of the World Coal Institute between 2003 and 2009 (chairman from 2006 to 2008), chairman of the Coal Industry Advisory Board to the International Energy Agency between 2004 and 2006, director of Energy Resources of Australia Limited between 2003 and 2006, director of Coal & Allied Industries Limited between 2003 and 2006.
 
3.   Bret Clayton BA (Accounting), age 49
 
    Skills and experience: Bret was appointed Group executive, Business Support & Operations in 2009. He joined the Group in 1995 and has held a series of management positions, including chief
    executive of the Copper and Diamonds groups, president and chief executive officer of Rio Tinto Energy America and chief financial officer of Iron Ore. Prior to joining the Group, Bret worked for PricewaterhouseCoopers for nine years, providing auditing and consulting services to the mining industry.
 
    External appointments (current and recent): Non executive director and member of the audit committee of Alcan Engineered Products since January 2011, non executive director of Ivanhoe Mines Limited between 2007 and 2009, member of the board of directors and the executive committee of the International Copper Association between 2006 and 2009, member of the Coal Industry Advisory Board to the International Energy Agency (IEA) between 2003 and 2006, member of the board of directors of the US National Mining Association between 2002 and 2006.
 
4.   Jacynthe Côté BChem, age 53
 
    Skills and experience: Jacynthe became chief executive, Rio Tinto Alcan in 2009. She joined Alcan in 1988 and has significant operational and international experience in the aluminium industry. She was chief executive officer, Primary Metal, Rio Tinto Alcan, where she was responsible for all primary metal facilities and power generation installations worldwide. Her previous roles in Alcan include president and chief executive officer, Bauxite & Alumina business group and senior management roles in business planning, human resources and environment, health and safety. Jacynthe has a degree in chemistry from Laval University in Quebec.
 
    External appointments (current and recent): Member of the Advisory Board of the Montreal Neurological Institute since July 2010, member of the Hautes Etudes Commerciales Board since 2009, member of the Canadian Council of Chief Executives since 2009, member of the International Aluminium Institute since 2006.
 
5.   Andrew Harding BEng (Mining Engineering), MBA, age 44
 
    Skills and experience: Andrew was appointed chief executive, Copper in 2009. He joined Rio Tinto in 1992, initially working for Hamersley Iron. Andrew went on to hold operating roles within the Energy, Aluminium and Iron Ore product groups, including at the Mount Thorley, Hunter Valley, Weipa, Mount Tom Price, Marandoo and Brockman mines. In 2007, he became global practice leader, Mining within Rio Tinto’s Technology &




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    Innovation group. Prior to his current role, Andrew was president and chief executive officer, Kennecott Utah Copper.
 
    External appointments (current and recent): Director of Ivanhoe Mines Limited between 2009 and July 2010 and from February 2011.
 
6.   Harry Kenyon-Slaney BSc (Hons) (Geology), age 50
 
    Skills and experience: Harry was appointed chief executive of Rio Tinto’s Diamonds & Minerals product group in 2009. He joined the Group in 1990 from Anglo American Corporation and has held management positions in South Africa, Australia and the UK. Harry spent his early career at Rio Tinto in marketing and operational roles in the uranium, copper and industrial minerals businesses. In 2004, he was appointed chief executive of Energy Resources of Australia, and prior to his current role, became managing director of Rio Tinto Iron & Titanium in 2007.
 
    External appointments (current and recent): Chairman of the Australian Uranium Association from 2006 to 2007, chairman of the Copper Development Association, South Africa from 2000 to 2003, director of Energy Resources of Australia Limited from 2004 to 2007.
 
7.   Doug Ritchie LLB, FAusIMM, FAIM, FAICD, age 54
 
    Skills and experience: Doug was appointed chief executive of Rio Tinto’s Energy group in 2009. He has been with the Group since 1986 when he joined CRA as corporate counsel. Since then he has held a number of roles in various Rio Tinto businesses and corporate functions, including Exploration, Project Development and the Energy, Aluminium and Diamonds & Minerals product groups. Doug’s previous roles have included head of Business Evaluation, managing director of Dampier Salt, Rio Tinto Coal Australia and Rio Tinto Diamonds. Prior to his current role, he was managing director, Strategy of Rio Tinto.
 
    External appointments (current and recent): Director of Australian Coal Association from 2006 to 2008, director of Dalrymple Bay Coal Terminal Pty Ltd from 2006 to 2007, director of Queensland Resources Council from 2006 to 2007, deputy chairman of the Coal Industry Advisory Board to the IEA, director of Coal & Allied Industries Limited between 2006 and 2007 and since 2008, director of Rossing Uranium Limited since 2009, and a director of the World Coal Association since 2010.
8.   Debra Valentine BA (History), JD, age 57
 
    Skills and experience: Debra was appointed Group executive, Legal & External Affairs in 2009 having joined Rio Tinto as global head of Legal in 2008. Debra previously worked at United Technologies Corporation in the US where she was vice president, deputy general counsel and secretary. Before then, she was a partner with the law firm O’Melveny & Myers, in Washington DC. Debra served as general counsel at the US Federal Trade Commission from 1997 to 2001.
 
    External appointments (current and recent): Member, Council on Foreign Relations since 1993, American Law Institute 1991, commissioner, Congressional Antitrust Modernisation Commission from 2004 to 2007.
 
    Tom Albanese, Guy Elliott and Sam Walsh were also members of the Executive committee in 2010 through their positions as chief executive, chief financial officer and chief executive of the Iron Ore group respectively. Their biographies are shown on pages 103 and 105.
 
    Company secretaries
 
    Ben Mathews BA (Hons), FCIS, age 44
 
    Skills and experience: Ben joined as company secretary of Rio Tinto plc during 2007. Prior to joining Rio Tinto, he spent five years with BG Group plc, as company secretary. He has previously worked for National Grid plc, British American Tobacco plc and PricewaterhouseCoopers LLP. Ben is a fellow of the Institute of Chartered Secretaries and Administrators and has a joint honours degree in French and European Studies.
 
    External appointments (current and recent): None.
 
    Stephen Consedine BBus, CPA, age 49
 
    Skills and experience: Stephen joined Rio Tinto in 1983 and has held various positions in Accounting, Treasury, and Employee Services before becoming company secretary of Rio Tinto Limited in 2002. He holds a business degree and is a certified practising accountant.
 
    External appointments (current and recent): None.


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Directors’ report
 
 

The directors present their report and audited financial statements for the year ended 31 December 2010.
Dual listed structure and constitutional documents
An explanation of the dual listed companies structure (DLC), which unified Rio Tinto plc and Rio Tinto Limited in 1995, and of the Companies’ constitutional documents can be found on page 271. This section also provides a description of voting rights restrictions which may apply in respect of the shares of either Company under specified circumstances.
Activities and business review
Rio Tinto’s principal activities during 2010 were minerals exploration, development, production and processing.
The business review, which is set out on pages 2 to 76 provides a comprehensive review of the development, performance and likely future developments of Rio Tinto’s operations for the year ended 31 December 2010. The information set out in the business review is incorporated by reference into this report and is deemed to form part of this report.
The subsidiary and associated undertakings principally affecting the profits or net assets of the Group in the year are listed in notes 37 to 40 to the financial statements.
Significant changes and events affecting the Group during 2010 and until the date of this report have been:
  On 1 February 2010, the sale to Amcor of the majority of the Alcan Packaging businesses, comprising Alcan Packaging global Pharmaceuticals, global Tobacco, Food Europe and Food Asia divisions, completed for US$1,948 million.
 
  During 2010, the Group increased its ownership in Ivanhoe Mines to 40.3 per cent and to 42.1 per cent in January 2011. Rio Tinto controls and manages the Oyu Tolgoi copper/gold project in Mongolia and has agreed a pathway to increase its stake in Ivanhoe Mines to 49 per cent.
 
  The sale of the Alcan Packaging Food Americas division to Bemis Company, Inc for a total consideration of US$1.2 billion completed on 1 March 2010.
 
  On 19 March 2010, Rio Tinto announced that it had signed a non binding memorandum of understanding with Chinalco to establish a joint venture covering the development and operation of the Simandou iron ore project in Guinea, in which Chinalco would acquire a 47 per cent interest of Rio Tinto’s 95 per cent holding in the Simandou project. On 29 July 2010, Rio Tinto and Chalco, a subsidiary of Chinalco, signed a binding agreement to establish the joint venture, with Chalco providing US$1.35 billion on an earn in basis through sole funding of ongoing development work over the next two to three years.
 
  On 29 March 2010, the four Shanghai employees detained on 5 July 2009 on charges of receiving bribes and stealing commercial secrets were convicted by Shanghai Number One Intermediate People’s Court.
 
  On 31 March 2010, Rio Tinto announced that it had received a binding offer from Sun European Partners, LLP to acquire the Alcan Beauty Packaging business. On 5 July 2010, Rio Tinto announced the completion of the sale of its Alcan Packaging business for an undisclosed sum and the acquisition by Amcor of the Medical Flexibles business for US$66 million.
  With the structural shift in the iron ore market away from benchmarking pricing, Rio Tinto announced on 9 April 2010 that it would be negotiating contracts with its customers to supply iron ore priced on a quarterly basis.
 
  The re-commencement of Rio Tinto’s expansion programme in its Iron Ore Company of Canada (IOC) operations was announced on 6 May 2010, with the investment by IOC of US$401 million to increase its annual concentrate capacity by four million tonnes to 22 million tones by 2012. On 9 February 2011, a further US$277 million investment was announced in the next phase of a project that will ultimately raise IOC’s concentrate production capacity by 40 per cent to 26 million tonnes per year (Mt/a).
 
  On 15 June 2010, Rio Tinto announced that it would invest US$469 million in constructing the Kennecott Eagle nickel and copper mine in Michigan’s Upper Peninsula (US).
 
  Together with BHP Billiton, Rio Tinto announced on 21 June 2010 that it had signed a Heads of Agreement with the Western Australian Government under which (i) they agreed to pay iron ore royalties at all their mines at a rate of 5.625 per cent for fine ore and 7.5 per cent for lump ore from 1 July 2010; (ii) they agreed to a set of State Agreement amendments to promote greater efficiency and flexibility for their respective operations; and (iii) they made a combined payment to the State Government’s Consolidated Revenue Fund of A$350 million.
 
  On 30 June 2010, the Australian Competition Tribunal issued a decision to not declare the Hamersley railway line available for third party access under Part IIIA of the Trade Practices Act. The Robe River line was declared, but only until 2018, rather than for the 20 year period desired by the applicants.
 
  Between July and September 2010, Rio Tinto announced investments to expand Cape Lambert port and to de-bottleneck Dampier Port to increase capacity as detailed on page 77.
 
  On 5 August 2010, the Group received a binding offer for the sale of 61 per cent of Alcan Engineered Products to certain investment funds affiliated with Apollo Global Management, LLC (Apollo) and the Fonds Stratégique d’Investissement. The divestment completed on 4 January 2011.
 
  On 30 August 2010, Rio Tinto announced an investment, together with its joint venture participant, Hope Downs Iron Ore Pty Ltd, of US$1.6 billion to develop the Hope Downs 4 iron ore project in Western Australia.
 
  On 14 September 2010, the Group announced its investment of US$803 million to ramp up the underground block cave project at its Argyle diamond mine in Western Australia.
 
  On 21 September 2010, Rio Tinto completed the off market buy-back of all of the Rio Tinto Limited ordinary shares held by Tinto Holdings Australia Pty Ltd.
 
  On 23 September 2010, Rio Tinto Alcan announced a US$347 million investment to modernise and increase the ISAL smelter’s capacity by 20 per cent following the completion of a long term energy supply agreement with Landsvirkjun, the Icelandic power utility. This was followed by an announcement on 1 October 2010 of a further investment of US$140 million to develop a value-added casting facility.
 


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  On 18 October 2010, Rio Tinto announced that it had jointly decided with BHP Billiton to end plans for an iron ore production joint venture in the Pilbara region in Western Australia following extensive discussions with regulators.
 
  Rio Tinto announced on 20 October 2010 that it would invest a further US$3.1 billion to expand its iron ore infrastructure in the Pilbara. On 26 November 2010, it was announced that new drilling results and ongoing assessment of assets in the Pilbara had revealed a significant increase in mineralisation. Rio Tinto announced on 1 December 2010 that it approved a further US$1.2 billion investment for significant expansions at the Brockman 4 and Western Turner Syncline mines in the Pilbara in its drive to lift annual iron ore production capacity in Western Australia’s Pilbara region to 283 Mt/a. Rio Tinto also approved a final feasibility study into increasing Pilbara production capacity to 333 Mt/a.
 
  On 3 December 2010, Rio Tinto Limited and Sinosteel Corporation announced the extension of their 1987 Channar Mining joint venture in the Pilbara region, leading the way for a further 50 million tonnes of iron ore to be produced under this joint venture in addition to the original Channar agreements for the production of 200 million tonnes.
 
  Rio Tinto and Chinalco signed a non-binding Memorandum of Understanding on 3 December 2010 to establish an exploration joint venture in China to explore mainland China for world-class mineral deposits. Chinalco will hold a 51 per cent interest in the joint venture and Rio Tinto will hold a 49 per cent interest.
 
  On 14 December 2010, Rio Tinto announced it is to invest in its Canadian aluminium smelters to improve production efficiency through modernisation and expansion. The bulk of this new investment — US$758 million — will be spent on completing the first phase of the AP60 plant in Saguenay-Lac-Saint-Jean, Quebec. Rio Tinto will also invest an additional US$300 million for further construction in preparation for the US$2.5 billion modernisation of the Kitimat smelter in British Columbia.
 
  Rio Tinto completed the divestment of its equity holdings in Cloud Peak Energy Inc on 21 December 2010, following a secondary public offering with gross proceeds of US$573.3 million.
 
  On 23 December 2010, Rio Tinto announced that it had entered into an agreement to acquire all the issued and outstanding shares of Riversdale Mining Limited by way of a recommended off-market takeover offer for a valuation of approximately A$3.9 billion. On 10 March 2011, Rio Tinto announced that it had increased its cash offer price to A$16.50 per share. The increased offer is conditional on Rio Tinto obtaining an interest in more than 50 per cent. of Riversdale shares and, unless extended, this offer is currently due to close on 1 April 2011.
 
  Rio Tinto approved a US$933 million investment on 9 February 2011 to extend the life of the Marandoo iron ore mine in the Pilbara region by 16 years to 2030.
 
  On 10 February 2011, Rio Tinto announced a capital management programme, comprising a US$5 billion share buy-back which, subject to market conditions, it expects to complete by the end of 2012.
 
  On 23 February 2011, the Group received a binding offer from Imerys to acquire the talc business for US$340 million. The binding offer is subject to customary closing conditions.
Details of events after the statement of financial position date are contained in note 48 to the financial statements.
As permitted by sections 299(3) and 299A(3) of the Australian Corporations Act 2001, information which is likely to result in unreasonable prejudice, regarding likely future developments in, and the expected results of the operations of the Group or its strategies and prospects, has been omitted.
Risk identification, assessment and management
A summary of the Group’s position regarding risk identification, assessment and management is contained in the risk management section on page 24. The Group’s principal risks and uncertainties are set out on pages 25 to 28.
Share capital
Details of the Group’s share capital as at 31 December 2010 can be found at notes 28 and 29 to the financial statements. Details of the rights and obligations attached to each class of shares can be found on page 269 under the heading “Dual listed companies structure — voting rights”. The voting rights of shares held beneficially by a third party in line with an employee share plan are set out on page 137.
Details of certain agreements triggered on a change of control can be found on page 269 under the heading “Dual listed companies structure”.
Details of certain restrictions on holding shares in Rio Tinto are described on page 270 under the heading “Dual listed companies structure — limitations on ownership of shares and merger obligations”. There are no other restrictions on the transfer of ordinary shares in Rio Tinto plc save for:
  restrictions that may from time to time be imposed by laws and regulations (for example, those relating to market abuse and insider dealing);
 
  restrictions that may be imposed pursuant to the Listing Rules of the UK Financial Services Authority, whereby certain employees of the Group require approval to deal in shares;
 
  restrictions on the transfer of shares that may be imposed under Rio Tinto plc’s Articles of Association or under Part 22 of the UK
 
    Companies Act 2006, in either case following a failure to supply information required to be disclosed following service of a request under section 793 of the UK Companies Act 2006; and
 
  restrictions on the transfer of shares held under certain employee share plans while they remain subject to the plan.
Details of the substantial shareholders of Rio Tinto plc and Rio Tinto Limited can be found on page 274.
At the annual general meetings held in 2010, shareholders authorised:
  the purchase by Rio Tinto Limited and its subsidiaries, and the on-market repurchase by Rio Tinto plc of up to 152,488,000 Rio Tinto plc shares (representing approximately ten per cent of Rio Tinto plc’s issued share capital at that time);
 
  the off-market purchase by Rio Tinto plc of up to 152,488,000 Rio Tinto plc shares acquired by Rio Tinto Limited or its subsidiaries under the above authority;
 
  the off-market or on-market buy-back by Rio Tinto Limited of up to 43.5 million Rio Tinto Limited shares (representing approximately ten per cent of Rio Tinto Limited’s issued share capital at the time); and
 
  the off-market buy-back by Rio Tinto Limited of up to all of Rio Tinto Limited’s shares indirectly held by Rio Tinto plc through Tinto Holdings Australia Pty Ltd.


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Directors’ report continued
 

On 21 September 2010, Rio Tinto completed the off-market buy-back of all of the Rio Tinto Limited shares held by Tinto Holdings Australia Pty Ltd. The buy-back was undertaken in two tranches: Rio Tinto Limited acquired 150,437,365 shares from Tinto Holdings Australia Pty Ltd at a price per share of A$69.27 on 27 August 2010. The remaining 20,635,155 shares were bought back at a price of A$75.13 on 21 September 2010.
All shares repurchased by Rio Tinto Limited from Tinto Holdings Australia Pty Ltd were subsequently cancelled.
During 2010, in order to satisfy obligations under employee share plans, Rio Tinto plc issued 2,336,005 shares from treasury, and Rio Tinto plc’s registrar purchased on market 693,000 shares and delivered 561,852 ordinary shares to plan participants. Rio Tinto Limited’s registrar purchased on market and delivered 1,550,969 shares to plan participants.
Also during the year, the Companies’ registrar purchased on market 660,948 Rio Tinto plc shares and 658,700 Rio Tinto Limited shares to satisfy obligations to shareholders under the dividend reinvestment plans.
On 10 February 2011, Rio Tinto announced a capital management programme, comprising a US$5 billion share buy-back which, subject to market conditions, is expected to complete by the end of 2012. In the period to 21 February 2011, 1,725,000 Rio Tinto plc shares were repurchased for a total aggregate consideration of US$125,500,000.
For the period 1 January 2011 to 21 February 2011, Rio Tinto plc issued 354,237 shares from treasury in connection with employee share plans and Rio Tinto Limited’s registrar purchased on market and delivered 462,169 shares to plan participants.
Awards over 3,010,321 Rio Tinto plc shares and 1,783,657 Rio Tinto Limited shares were granted under employee share plans during 2010. As at 21 February 2011, awards were outstanding over 11,624,153 Rio Tinto plc shares and 5,842,538 Rio Tinto Limited shares. Upon vesting, awards may be satisfied by the issue of new shares, the purchase of shares on market, or, in the case of Rio Tinto plc, by issuing treasury shares.
Dividends
The total dividend for 2010 will be US 108 cents, of which US 45 cents was paid as an interim dividend in September 2010. Final dividends of 39.14 pence or 61.94 Australian cents per share will be paid on 31 March 2011. Full details of dividends paid and the dividend policy can be found on page 262.
Annual general meetings
The 2011 annual general meetings will be held on 14 April in London and on 5 May in Perth. Separate notices of the 2011 annual general meetings are produced for the shareholders of each Company.
Directors
The names of the directors who served during the year, together with their biographical details and other information are shown on pages 102 to 105. Sir David Clementi and David Mayhew retired at the conclusion of the Rio Tinto Limited annual general meeting held on 26 May 2010. Sam Walsh, Ann Godbehere and Robert Brown were appointed as directors with effect from 5 June 2009, 9 February 2010 and 1 April 2010, respectively and were elected by shareholders at the 2010 annual general meetings.


Purchases of shares
                                                         
                                                    Rio Tinto Group  
                                                    Approximate  
                    (c) Total number of                     (c) Total number of     dollar value of  
                    shares purchased                     shares purchased     shares that may  
    Rio Tinto plc     (b) Average     as part of publicly     Rio Tinto Limited     (b) Average price     as part of publicly     yet be purchased  
    (a) Total number of     price paid per     announced plans or     (a) Total number of     paid per     announced plans or     under the plans or  
    shares purchased     share US$     programmes     shares purchased     share US$     programmes     programmes US$  
 
2010
                                                       
1 Jan to 31 Jan
                      269,187       71.95              
1 Feb to 28 Feb
                      493,543       63.91              
1 Mar to 31 Mar
                      181,346       68.66              
1 Apr to 30 Apr
    271,553       61.02             416,995       72.54              
1 May to 31 May
                      46,962       52.97              
1 Jun to 30 Jun
                      60,687       58.94              
1 Jul to 31 Jul
                      7,116       61.96              
1 Aug to 31 Aug
                      145,532       66.80              
1 Sep to 30 Sep
    1,082,395       56.28             350,185       68.61              
1 Oct to 31 Oct
                      25,545       81.43              
1 Nov to 30 Nov
                      63,622       88.26              
1 Dec to 31 Dec
                      148,949       85.93              
Total
    1,353,948       57.23             2,209,669       68.24              
 
 
                                                       
2011
                                                       
1 Jan to 31 Jan
                      225,999       84.90              
1 Feb to 21 Feb
    1,725,000       72.77       1,725,000       236,170       88.17             4,875,000,000  
 
Notes:
(a)   Rio Tinto plc ordinary shares of 10p each; Rio Tinto Limited shares.
 
(b)   The average prices paid have been translated into US dollars at the exchange rate on the day of settlement.
 
(c)   Shares purchased by the Companies’ registrar in connection with the dividend reinvestment plans and employee share plans are not deemed to form part of any publicly announced plan or programme.


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A provision of the new UK Corporate Governance Code requires all directors to retire and submit themselves for re-election by shareholders annually. With the exception of Sir Rod Eddington and Yves Fortier who will be retiring at the conclusion of the 2011 annual general meetings, all directors will stand for re-election at the 2011 annual general meetings.
Details of directors’ service contracts and letters of appointment can be found on page 138 and page 141.
A table of directors’ attendance at board and committee meetings during 2010 is on page 118.
Remuneration of directors and executives
The Remuneration report starting on page 128 forms part of the Directors’ report and includes details of the nature and amount of each element of the remuneration (including share options) of each of the directors and of the key management personnel and highest paid executives below board level in respect of whom disclosures are required in 2010.
The 2009 Remuneration report was approved by shareholders at the 2010 annual general meetings.
Secretaries
Details of the company secretary of each of Rio Tinto plc and Rio Tinto Limited together with their qualifications and experience are set out on page 107.
Corporate governance
A full report on corporate governance can be found on pages 114 to 127 and forms part of this Directors’ report.
Indemnities and insurance
The Articles of Association and Constitution of the Companies provide for them to indemnify, to the extent permitted by law, officers of the Companies, including officers of wholly owned subsidiaries, against liabilities arising from the conduct of the Group’s business. The directors and the company secretaries of the Companies, and certain employees serving as directors of subsidiaries at the Group’s request have been indemnified in accordance with these provisions. No amount has been paid under any of these indemnities during the year.
The Group has purchased directors’ and officers’ insurance during the year. In broad terms, the insurance cover indemnifies individual directors’ and officers’ personal legal liability and legal defence costs for claims arising out of actions taken in connection with Group business. It is a condition of the insurance policy that detailed terms and premiums paid cannot be disclosed.
Employment policies and communication
Information about the Group’s employment policies and our employees is available on pages 32 and 33 of the Sustainable development review.
Donations
During 2010, the Group spent US$166 million on community assistance programmes and payments into benefit receiving trusts set up in directly negotiated community impact benefit agreements. As required by UK regulation, donations in the UK during 2010 amounted to £1.8 million (2009: £1.8 million) including £0.18 million for education programmes, £0.97 million for environment programmes, £0.01 million for health
programmes, £0.57 million for general sponsorships and donations, and management costs totalling £0.05 million. No donations were made for political purposes in the EU, Australia or elsewhere, as defined by the UK Companies Act 2006.
Governmental regulations
Rio Tinto is subject to extensive governmental regulations affecting all aspects of its operations and consistently seeks to apply best practice in all of its activities. Due to Rio Tinto’s product and geographical spread, there is unlikely to be any single governmental regulation in effect that could have a material effect on the Group’s business.
Rio Tinto’s operations in Australia and New Zealand are subject to state and federal regulations of general application governing mining and processing, land tenure and use, environmental requirements, including site specific environmental licences, permits and statutory authorisations, workplace health and safety, trade and export, corporations, competition, access to infrastructure, foreign investment and taxation. Some operations are conducted under specific agreements with the respective governments and associated acts of parliament.
In addition, Rio Tinto’s uranium operations in the Northern Territory, Australia and Namibia are subject to specific regulation in relation to mining and the export of uranium.
US and Canada-based operations are subject to local, state, provincial and national regulations governing mining and processing, access to infrastructure, land tenure and use, environmental aspects of operations, product and workplace health and safety, trade and export administration, corporations, competition, securities and taxation. In relation to hydroelectric power generation in Canada, water rights, as well as power sales and purchases, are regulated by the Quebec and British Columbia provincial agencies.
Rio Tinto’s operations in Europe are subject to national and European rules and regulations governing general and specific aspects of current and planned operations, notably land tenure and use, workplace health and safety, environmental issues, including applicable regulations in case of sale or closure of industrial sites and permit requirements concerning activities listed for environmental protection purposes, chemical risks management (REACH), competition requirements including compliance with antitrust rules, trade and export, corporations, intellectual property, labour requirements (including personal data protection), investment and taxation.
Rio Tinto’s South African-based operations are subject to black economic empowerment legislation which includes the requirement to transfer (for fair value) 26 per cent of the Group’s South African mining assets to historically disadvantaged South Africans by 2014.
Environmental regulation
Rio Tinto measures its performance against environmental regulation by rating incidents on a low, moderate, high, or critical scale of likelihood and consequence of impacting the environment. High and critical ratings are reported to the executive management team and the Committee on social and environmental accountability, including progress with remedial actions. Prosecutions and other breaches are also used to gauge Rio Tinto’s performance.


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Directors’ report continued
 

In 2010, there were 18 environment incidents rated high at Rio Tinto managed operations compared with 12 in 2009.
These incidents were of a nature to affect the environment or to concern local communities. Of these, nine resulted from water discharge, six were spills and three related to air emissions. Examples of these include:
  discharge standards for water being exceeded and also the overflow of leachate from a landfill to an adjacent water course at Alucam, Cameroon.
 
  leakage of unleaded petrol from a storage tank at Gove, Australia.
 
  a spill of alumina and coke waste from the loading dock at the port for Alucam, Cameroon.
 
  recorded levels for dust and tar in air emissions which exceeded permitted amounts on a number of occasions at Rotterdam, Holland.
 
  flooding during a storm event which led to the overflow of water from the red mud retention dam onto land adjoining the facility at Gardanne, France.
 
  overflow from a retention pond into local waterways during a high rainfall event at Kitimat, Canada.
 
  flooding of sediment-laden water off site onto nearby land and creeks following heavy rainfall at Northparkes, Australia.
 
  a pump failure at a weir during a storm resulted in an overflow of mine water into the local river at Palabora, South Africa.
 
  recording of levels of SO2 in air emissions above permitted amounts on a number of occasions at Palabora, South Africa.
During 2010, 13 operations incurred fines amounting to US$540,328 (US$80,150 in 2009). Several fines paid in 2010 relate to incidents that occurred in 2008 and 2009. An amount of US$262,046 relates to an incident that occurred in September 2008 at a plant in Saguenay, Canada. An amount of US$174,697 relates to an incident that occurred in April 2009 at a port facility in Saguenay, Canada. An amount of US$48,527 relates to an incident that occurred in August 2008 at a plant in Saguenay, Canada.
Australian corporations that exceed specified thresholds are required under the Australian National Greenhouse and Energy Reporting Act 2007 to register and report on greenhouse gas emissions and energy use and production. Three Rio Tinto entities, Rio Tinto Limited, Alcan Gove Pty Limited and Pechiney Consolidated Australia Limited are separately covered by the Act. All three companies submitted their reports by the required 31 October 2010 deadline.
The same three Rio Tinto entities have obligations under the Australian Energy Efficiency Opportunities Act 2006 (EEO). All three completed the required annual public reporting for 2010. Eight operations undertook EEO assessments in 2010. This completed the first five year cycle of assessments for Rio Tinto corporations. EEO requirements continue to be communicated to all sites covered by the Act, with internal reporting and compliance systems augmented.
Further information in respect of the Group’s environmental performance is included throughout this Annual report, in the Sustainable development section on pages 29 to 41 and on the website.
Legal proceedings
Neither Rio Tinto plc nor Rio Tinto Limited nor any of their subsidiaries is a defendant in any proceedings which the directors believe will have a material effect on either Company’s financial position or profitability. Contingencies are disclosed in note 35 to the financial statements.
Exploration, research and development
The Group carries out exploration and research & development in support of its activities as described more fully under Exploration, and Technology & Innovation on pages 62 to 64. Amounts charged for the year net of any gains on disposal generated a net loss for exploration and evaluation of US$72 million (2009: net gain US$380 million). Research and development costs were US$187 million (2009: US$193 million).
Auditors
PricewaterhouseCoopers LLP and PricewaterhouseCoopers are the auditors of Rio Tinto plc and Rio Tinto Limited respectively. PricewaterhouseCoopers LLP have indicated their willingness to continue in office as auditors of Rio Tinto plc and a resolution to reappoint them as auditors of Rio Tinto plc will be proposed at the 2011 annual general meetings. The resolution will also seek authority for the Audit committee to determine their remuneration. PricewaterhouseCoopers will continue in office as auditors of Rio Tinto Limited.
A copy of the declaration given by PricewaterhouseCoopers as the Group’s external auditors to the directors in relation to the auditors’ compliance with the independence requirements of the Australian Corporations Act 2001 and the professional code of conduct for external auditors is set out on page 256 in the financial statements.
No person who was an officer of Rio Tinto during 2010 was a director or partner of the auditors at a time when the auditors conducted an audit of the Group.
Each person who held the office of director at the date the board resolved to approve this report makes the following statements:
  so far as the directors are aware, there is no relevant audit information of which the auditor is unaware;
 
  the directors have taken all steps that he or she ought to have taken as a director to make him or herself aware of any relevant audit information and to establish that the auditor is aware of that information.
Principal auditor – audit and non audit fees and services
The amounts payable to the Group’s principal auditors, were:
                      
    2010     2009  
    US$m     US$m  
     
Audit fees(a)
    16.7       23.2  
Audit services in connection
               
with divestment programme(b)
    9.1       22.0  
Tax fees
    0.4       2.1  
All other fees(c)
    7.1       14.8  
     
 
    33.3       62.1  
     
 
(a)   Audit fees relating to statutory audits.
 
(b)   Represents fee for audit of carve out financial statements
 
(c)   All other fees in 2010 include those relating to the bond issues, divestment programme and similar corporate projects.
 


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Further information on audit and non audit fees is set out in note 43 to the financial statements.
A description of Rio Tinto’s policies to uphold the independence of the Group’s principal auditors is set out in the corporate governance section on page 125. Based on advice provided by the Audit committee as set out in the Report of the Audit committee on page 119, the directors are satisfied that the provision of non audit services by PricewaterhouseCoopers is compatible with the general standard of independence for auditors and the standards imposed by the Australian Corporations Act 2001 and US legislation.
Financial instruments
Details of the Group’s financial risk management objectives and policies and exposure to risk are described in note 33 to the 2010 financial statements.
Value of land
Most of the Group’s interests in mining properties and leases, and in other land and buildings have been included in the financial statements at cost in accordance with its accounting policies. It is not possible to estimate the market value of such interests in land as this will depend on product prices over the long term which will vary with market conditions.
Creditor payments
It is the Group’s policy to agree terms of payments with suppliers when entering into contracts and to meet its obligations accordingly. The Group does not follow any specific published code or standard on payment practice.
At 31 December 2010, there were 23 days’ (2009: 24 days) purchases outstanding in respect of the Group based on the total invoiced by suppliers during the year.
Going concern
The directors, having made appropriate enquiries, have satisfied themselves that no material uncertainties that cast significant doubt about the ability of the Companies and the Group to continue as a going concern have been identified, and they have a reasonable expectation that the Group has adequate financial resources to continue in operational existence for the foreseeable future. Therefore, these financial statements have been prepared on a going concern basis.
The Directors’ report is made in accordance with a resolution of the board.
-s-Jan du Plessis
 
Jan du Plessis, chairman
4 March 2011


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Corporate governance
 
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Rio Tinto’s board is ultimately responsible for the success of the Group and upholds high standards of corporate governance that will enable us to achieve our vision of global sector leadership.

The board of directors firmly believes that high standards of corporate governance form an essential underpinning to the achievement of Rio Tinto’s vision to become the sector leading global mining and metals company and to maximise shareholder returns.
Rio Tinto takes a unified approach to corporate governance to comply with the regulatory obligations associated with its three principal stock exchange listings in the UK, Australia and the US. Statements of compliance with each of the corporate governance codes applied by these jurisdictions are set out on page 127.
Board
Rio Tinto plc and Rio Tinto Limited have a common board of directors. The directors are responsible for the success of the Group and, through the independent oversight of management, are accountable to shareholders for the performance of the business.
Responsibilities
The principal role of the board is to set the Group’s vision and to regularly review its strategic direction. In doing this, the board also has responsibility for the establishment and maintenance of effective standards of corporate governance across the Group and oversees management’s control and accountability framework.
A formal schedule of matters specifically reserved for decision or consideration by the board as a whole has been agreed by the directors. This schedule covers areas such as the Group’s strategy, major investments and acquisitions. It is available on the corporate governance section of the website.
In line with its principal role, the board is ultimately accountable to Rio Tinto’s shareholders for the performance of the business. Responsibility for day to day management of the business is delegated to the chief executive who, in turn, has established an executive team, the Executive committee, with authorities delegated to individual executives, all within an agreed financial control framework. As part of the annual financial planning process, the board sets annual performance targets, which include personal and business performance measures, under the Group’s short term incentive plan (detailed on page 133 of the Remuneration report). These performance targets are determined by the Remuneration committee on behalf of the board for the chief executive based upon his proposals and objectives for the year. The chief executive establishes targets for the other members of his Executive committee which are then cascaded throughout management teams. Further details of the performance evaluation of the executive directors and other senior executives is discussed in the Remuneration report.


Board performance
Key activities during 2010
  Monitoring economic developments in order to meet the challenges of the financial volatility of OECD countries and the opportunities presented by the growing levels of urbanisation and industrialisation in populous parts of the world.
 
  Promoting the growth of the business, evidenced in particular by: the signature of a joint venture agreement with Chalco for the development and operation of the Simandou iron ore project in Guinea; the approval of further funding for expansion of Pilbara iron ore capacity to 283 million tonnes per annum; and other corporate activity relating to Oyu Tolgoi and Riversdale.
 
  Positioning Rio Tinto to meet fiscal and monetary challenges, including engagement with the Australian Government in relation to its proposed Resources Super Profits Tax and its subsequent replacement with a Minerals Resource Rent Tax.
 
  Overseeing the management of the risks facing Rio Tinto, seeking to influence government and other external stakeholders within the mining and natural resource sector relating to resource nationalism and socio-economic development.
  Reviewing each of the product group strategies.
 
  Considering and eventually withdrawing from plans to create the Western Australian iron ore production joint venture with BHP Billiton.
 
  Driving completion of the divestment programme.
Board objectives
  Prioritise value adding growth.
 
  Support the vision of global sector leadership.
 
  Regular review and oversight of Group strategy.
 
  Review financial and non-financial performance metrics.
 
  Oversee succession planning for the board and senior executives.
 
  Strive for excellence in the Group’s governance processes and policies, including risk governance.
 
  Review and implement actions from board and board committee performance evaluations.
 
  Deliver year-on-year improvement in safety performance.
 
  Maintain a strong balance sheet.




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Board balance and independence
Chairman and chief executive
The roles of the chairman and chief executive are separate and the division of their respective responsibilities has been reviewed and approved by the board.
Board balance
Rio Tinto has a diverse board comprising directors drawn from a wide range of professional backgrounds and geographic areas. The board supports the principle of diversity and its implementation throughout Rio Tinto and believes that a board and employee community reflective of the Group’s global activities is critical to the success of the organisation. See pages 116 to 117 for more information on diversity.
As of the date of this report, the board consists of 14 directors: the chairman, three executive directors, and ten independent non executive directors.
The names, skills and experience of each director together with their terms in office are shown in the biographical details on pages 102 to 105. Details of changes to the board during 2010 and in the year to date are set out in the Directors’ report on page 110.
Sir Rod Eddington and Yves Fortier and have announced their intention to retire from the boards upon the conclusion of the 2011 annual general meetings. The board will then comprise 12 directors of which eight will be independent non executive directors.
Director independence
The tests of independence of a non executive director in the jurisdictions where Rio Tinto has listings are not wholly consistent. The board has therefore adopted a formal policy for the determination of the independence of its non executive directors. This policy, which includes materiality thresholds for the measurement of independence to be approved by the board, is available on the Group’s website.
Among its key criteria are independence from management and the absence of any business relationship which could materially interfere with the director’s independence of judgment and ability to provide a strong, valuable contribution to the board’s deliberations, or which could interfere with the director’s ability to act in the best interests of the Group. Where contracts in the ordinary course of business exist between Rio Tinto and a company in which a director has declared an interest, these are reviewed for materiality to both the Group, and the other party to the contract. “Material” is defined in the policy as being where the relationship accounts for more than two per cent of either parties’ consolidated gross revenue per annum, although the test also takes other circumstances into account.
Applying these criteria, the board is satisfied that all of its non executive directors are independent in accordance with this policy.
Jan du Plessis, upon his original appointment to the board as a non executive director in September 2008, was deemed to be independent in accordance with the criteria set by the board’s policy. At the time of his appointment as non executive chairman from 20 April 2009, the board determined that he continued to be independent under the policy. In the board’s view, he continues to satisfy the tests for independence under the Australian Securities Exchange Corporate Governance Principles and Recommendations (“ASX Principles”) and the New York Stock Exchange Corporate Governance Standards (“NYSE Standards”).
Conflict of interests
UK company law allows the board to authorise a situation in which there is, or may be, a conflict between the interests of Rio Tinto and the direct or indirect interests of a director or between the director’s duties to Rio Tinto and to another person. Further to the approval obtained from shareholders in 2008, Rio Tinto plc’s articles of association give directors the power to authorise such conflicts. The board has adopted procedures for ensuring that its powers to authorise conflicts operate effectively and for this purpose, a register of conflicts and any authorisation granted by the board is maintained by the company secretary and reviewed bi-annually by the board.
Executive directors’ other directorships
Executive directors may on occasion be invited to become non executive directors of other companies. The board has adopted a procedure under which approval may be given to accept such invitations recognising the benefit to be derived to the individual and to Rio Tinto from such exposure. For further information see page 139.
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Election and re-election
The directors may appoint additional members to join the board during the year. Directors appointed in this way will, upon the recommendation of the board, offer themselves for election by shareholders at the first annual general meetings after their appointment.
In subsequent years the re-election of directors is subject to each director meeting the independence criteria detailed above, the absence of any conflicts of interests, ongoing commitment to Group activities, and satisfactory performance.
In accordance with a new provision of the UK Corporate Governance Code (formerly the Combined Code), Rio Tinto expects to submit all directors for re-election annually with effect from its annual general meetings in 2011.
Non executive directors are normally expected to serve at least six years and, except in special circumstances, would not normally serve more than nine years.
Governance
The board meets regularly in order to effectively conduct its business. In 2010, there were eight scheduled board meetings and three board meetings convened and held at short notice. The number of meetings held in 2010 is a reflection of the considerable corporate activity considered by the board during the year, particularly in relation to the proposed iron ore production joint venture with BHP Billiton in Western Australia, divestments, capital expenditure commitments and acquisition opportunities. Details of the directors’ attendance at all of the board and committee meetings held in 2010 are set out on page 118.
The board has regular discussions with the executives during the year on the Group’s strategy. These discussions will typically include strategy presentations that are given by product group chief executives, other members of the Executive committee or global heads of function. The board also holds an annual two day strategy-setting meeting with the Executive committee which includes broader, detailed review sessions on the Group’s strategic direction. The outputs from this event help underpin the board’s annual financial planning exercise and provide strategic direction and focus to the executive team through effective allocation of the Group’s resources.
Directors receive timely, regular and appropriate management and other information to enable them to fulfil their duties. They also have direct access to the advice and services of the company secretaries. In the event that they consider it to be required in the delivery of their fiduciary duties, the directors are also able to obtain independent professional advice at the Group’s expense through the company secretaries.
In addition to these formal processes, the directors are in regular informal communication with members of the Executive committee and other senior executives. This helps to foster an open and regular exchange of knowledge and experience between management and the non executive directors.
To continue building on the formal induction programmes, which all new non executive directors undertake, they are routinely provided with training and development opportunities. In 2010, these opportunities included a briefing on reserves and mineral resource reporting. The directors are also encouraged to participate in site visits to the Group’s operations around the world and to meet local employees. In 2010, directors were able
to benefit in this way by a visit to the Group’s coal operations in Australia. The board also takes the opportunity to combine attendance at the annual general meeting in Australia with site visits.
Board performance evaluation
Under the leadership and guidance of the chairman and with the support of the company secretary, the directors continue to review the design and effectiveness of the board evaluation processes. These processes have been further refined in 2010 resulting in an annual exercise to evaluate not only the board’s effectiveness, but also that of the board committees and individual directors.
Each non executive director’s performance is appraised personally by the chairman each year. For 2010, in light of the publication of the new UK Corporate Governance Code, which requires the evaluation of the board to be externally facilitated at least every three years, a range of alternatives for conducting the evaluation of the board and committees was considered. The board concluded that an evaluation process led by Jan du Plessis, in his capacity as chairman of the board, managed by the company secretary, but overseen by an independent third party, was appropriate for 2010, since it was considered that this approach would promote further transparency and objectivity and facilitate a challenging and rigorous self-assessment process (summarised opposite).
For the board committees, a similar process was followed with the assistance of the external facilitator, agreed with the committee chairman and completed by each committee member and regular attendees.
The senior independent non executive director leads a discussion involving all of the non executive directors without the chairman in attendance to assess the chairman’s performance, taking into consideration the views of the executive. Feedback is provided directly to the chairman by the senior independent non executive director.
The chief executive undertakes a performance evaluation of the other executive directors. Taking into consideration the views of the chairman and non executive directors, feedback is often provided directly to the executive directors by the chief executive.
Based upon the results of these evaluations (summarised opposite), it was concluded that the board and its committees are operating effectively and that the individual directors’ performance continues to be effective and demonstrates the level of commitment expected by Rio Tinto.
Diversity
Rio Tinto’s commitment to diversity and inclusion
We believe that diversity improves business outcomes. We are a global company, and wherever we operate, and across every part of our business, we strive to create an inclusive culture in which difference is recognised and valued. By bringing together men and women from diverse backgrounds and giving each person the opportunity to contribute their skills, experience and perspectives, we believe that we are best able to develop innovative solutions to challenges and deliver sustainable value for Rio Tinto and its stakeholders.
What diversity and inclusion means for Rio Tinto
  Embracing workforce diversity irrespective of age, gender, race, national and ethnic origin, religion, sexual orientation, physical ability, language.




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Board and board committee evaluations
Based upon the results of these evaluations, it was concluded that the board and its committees are operating effectively
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Key areas of focus for the board:
  board structure and dynamics
 
  board composition and capability
 
  strategy, planning and risk
 
  succession planning
 
  culture and relationships
 
  board and committee governance
 
  board process and support
 
  directors’ training and development
Key areas of focus for board committees:
  roles and responsibilities
 
  performance and effectiveness
 
  capabilities of members
 
  interaction with management
 
  committee governance and processes
 
  members’ training and development
For the board:
  the evaluation results informed discussions between the chairman and each individual director
 
  the chairman also took the opportunity to provide feedback on each non executive director’s individual performance and contribution together with that of the chief executive. The chief executive undertook this process for the other executive directors.
 
  the board used one of its scheduled meetings to discuss the output from its performance evaluation and agreed a number of actions
For board committees:
  the evaluation results were collated and presented for discussion and debate and to agree actions
For the board:
  a desire for continued improvement of the process by which management proposals are made to, and reviewed by, the board and its committees
 
  seeking to further enhance the non executive directors’ induction process and their continued training and development
 
  building on the improvements made in risk governance in 2010 and placing increased emphasis on the oversight of reputational risk
 
  enhancing the board’s mix of experience to assist its understanding of investor sentiment
For board committees:
  reviewing the Audit committee’s risk governance responsibilities in light of the implementation of a refreshed risk management process in 2010
 
  a continued focus for the Remuneration committee on ensuring alignment of reward with strategic objectives
 
  reviewing the range of non financial, corporate social responsibility-related indicators provided to the Committee on social and environmental accountability and the board and re-examining the quality and substance of stakeholder engagement


  Valuing diversity of perspective – leveraging the diverse thinking, skills, experience and working styles of our employees.
 
  Building a flexible organisation – providing opportunities for work arrangements that accommodate the diverse needs of individuals at different life and career stages.
 
  Respecting stakeholder diversity – developing strong and sustainable relationships with diverse shareholders, communities, employees, governments, customers and suppliers.
How we are building an inclusive environment at Rio Tinto
We use five levers to drive action and build awareness about diversity and inclusion. Long and short term initiatives are prioritised based on need and impact.
  Governance models, such as the recently established Group Diversity Council
 
  Policies, practices and targets
 
  Leadership and cultural competence
 
  Stakeholder relationships
 
  Education and communication
What our current focus is
Priorities for 2011 include five year programmes to:
  Improve the representation of women in senior management roles and the pipeline of female talent; and
 
  Improve the number of individuals from under-represented nationalities in professional and leadership roles, especially people from emerging regions in which Rio Tinto is developing business.




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Board committees
The board has established committees which are responsible for audit, remuneration, executive and non executive succession, social and environmental matters and assisting the board to deliver its responsibilities. Each committee plays a vital role in helping the board ensure that high standards of corporate governance are maintained throughout the Group. The committees are governed by terms of reference which are reviewed annually and can be viewed in the corporate governance section of the website.

Governance structure
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(a)   The Continuous disclosure committee is an independent management committee.
Attendance at board and committee meetings during 2010
                                                         
                    Committee on social              
    Board     Board     Audit     Nominations     and environmental     Remuneration     Chairman’s  
    scheduled  (b)   short notice  (b)   committee  (b)   committee  (b)   accountability  (b)   committee  (b)   committee  (b)
 
Tom Albanese
    8/8       3/3                               17/18  
 
Sir David Clementi (a)
    2/3       1/1       4/4       1/1               1/1        
 
Robert Brown
    6/6       3/3             2/2       4/4              
 
Vivienne Cox
    8/8       2/3       7/7       3/3                    
 
Jan du Plessis
    8/8       3/3             3/3                   18/18  
 
Sir Rod Eddington
    8/8       2/3             3/3       6/6              
 
Guy Elliott
    8/8       3/3                               16/18  
 
Michael Fitzpatrick
    8/8       3/3       7/7       3/3               3/3        
 
Yves Fortier
    8/8       2/3             3/3       5/6              
 
Ann Godbehere
    8/8       2/3       6/6       2/2                        
 
Richard Goodmanson
    8/8       3/3             3/3       6/6       3/3        
 
Andrew Gould
    8/8       2/3             3/3             3/3        
 
Lord Kerr
    8/8       3/3       7/7       3/3       6/6                
 
David Mayhew (a)
    2/3       1/1                                
 
Paul Tellier
    8/8       3/3       7/7       3/3             3/3        
 
Sam Walsh
    8/8       3/3                                
 
 
(a)   Retired from the board on 26 May 2010.
 
(b)   Number of meetings attended/maximum the director could have attended
      


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Audit committee report
Members (a) (b)
1. Ann Godbehere – chair
2. Vivienne Cox
3. Michael Fitzpatrick
4. Lord Kerr
5. Paul Tellier
 
(a)   Sir David Clementi was chair of the Audit committee until his retirement on 26 May 2010.
 
(b)   Ann Godbehere became a member upon her appointment on 9 February 2010, and became chair upon Sir David Clementi’s retirement.
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Key responsibilities
The primary function of the Audit committee, as set out in its terms of reference which are summarised below, is to assist the board in fulfilling its responsibilities by monitoring decisions and processes designed to ensure the integrity of financial reporting and sound systems of internal control and risk management. The scope of the Committee’s responsibilities includes: financial reporting and internal controls over financial reporting; internal controls; corporate assurance; external auditors; risk management; and the whistleblowing programme.
In carrying out its responsibilities the Committee has full authority to investigate all matters that fall within its terms of reference. Accordingly, the Committee may:
  obtain independent professional advice in the satisfaction of its duties at the cost of the Group; and
 
  have such direct access to the resources of the Group as it may reasonably require including the external and internal auditors.
The Audit committee’s main responsibilities include the review of accounting principles, policies and practices adopted in the preparation of public financial information, review with management of procedures relating to financial and capital expenditure controls, including internal audit plans and reports, review with external auditors of the scope and results of their audit, review and approval of the auditors’ fees, the nomination of auditors for appointment by shareholders, and the review of and recommendation to the board for approval of Rio Tinto’s risk management policies and processes. Its responsibilities also include the oversight of the whistleblowing programme.
Governance processes
To ensure the Committee discharges its responsibilities, it meets not less than four times per year and arranges occasional training sessions which may cover new legislation and other information relevant to the Committee’s role. The Audit committee met seven times in 2010. The Group’s chairman, chief executive, chief financial officer, other senior financial management, external and internal auditors regularly attend its meetings.
The members of the Committee are independent and free of any relationship that would affect their impartiality in carrying out their responsibilities. The members meet the independence requirements of the UK’s Combined Code on Corporate Governance (“the Code”), the ASX Principles, the NYSE Code and US legislation, and the Committee meets the composition, operation and responsibility requirements of the ASX Principles.
The Committee is also bound by SEC requirements for audit committees’ financial experts and the Code and ASX Principles
requirement that at least one committee member should have recent and relevant financial experience. Following the retirement of Sir David Clementi as its chairman with effect from the conclusion of the 2010 annual general meetings, Ann Godbehere, chairman of the Committee since 25 May 2010, and Michael Fitzpatrick are considered by the board to have recent and relevant financial experience and are therefore the Committee’s financial experts. All other members of the Committee are, in the opinion of the Audit committee, deemed to be financially literate by virtue of their business experience.
The Audit committee applies policies for the pre-approval of permitted services provided by the Group’s principal auditors. All of the engagements for services provided by them were either within the pre-approval policies or approved by the Audit committee. The directors are satisfied that the provision of non audit services by PricewaterhouseCoopers in accordance with this procedure is compatable with the general standard of independence for auditors imposed by relevant regulations, including the Australian Corporations Act 2001, and US legislation.
The Committee considered reports from the Group’s Auditors, PricewaterhouseCoopers, and Rio Tinto Corporate Assurance on the activities undertaken in reviewing and auditing the control environment in order to assess the quality and effectiveness of the internal control system. This included an evaluation of the effectiveness of the Group’s internal controls over financial reporting and the Group’s disclosure controls and procedures in accordance with sections 404 and 302 of the Sarbanes Oxley Act 2002 respectively. A review of the scope and the outputs from the annual Internal Control Questionnaire, a key element of Rio Tinto’s internal control framework, was also evaluated.
Key achievements
During 2010 the Committee undertook the following activities:
  reviewed and updated the terms of reference to reflect:
  i.   the Committee’s role with respect to resource and reserves evaluation and reporting;
 
  ii.   the Committee’s amended responsibility with respect to risk. Following the establishment of a Risk management committee and the enhancement of the board’s oversight role for risk management, the Committee is now responsible for conducting an annual review of the maturity and effectiveness of management processes relating to risk;
 
  iii.   the Committee’s role in overseeing the operation of the integrity and compliance programme including the whistleblowing facility.
  evaluated the effectiveness of PricewaterhouseCoopers, agreed the fees payable in respect of the 2010 audit, assessed their




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    independence in accordance with both UK and Australian standards and US legislation and recommended to the board that they be proposed for re-appointment at the 2010 annual general meetings.
 
  appointed a new external audit partner in accordance with the policy governing audit partner rotation.
 
  reviewed the effectiveness of the Group’s third party provider of Internal Audit services.
 
  engaged in training sessions on the governance process surrounding ore reserves and mineral resources.
 
  completed its annual performance evaluation and reported the results to the board.
Priorities for 2011
In addition to discharging the responsibilities set out above, the Committee’s priorities for 2011 include:
  reviewing the effectiveness of the Group’s risk management processes;
 
  oversight of the Internal Audit strategic review;
 
  focusing on training and development, particularly in relation to new legislation and regulation, including the US Dodd Frank Act and the UK Bribery Act.
 
Ann Godbehere, chairman


 
Nominations committee report
Members (a)
     
1. Jan du Plessis – chair
  7. Ann Godbehere
2. Robert Brown
  8. Richard Goodmanson
3. Vivienne Cox
  9. Andrew Gould
4. Sir Rod Eddington
  10. Lord Kerr
5. Michael Fitzpatrick
  11. Paul Tellier
6. Yves Fortier
   
 
(a)   Membership of the Nominations committee was extended to all non executive directors with effect from 1 January 2010.
(PHOTO OF ANN GODBEHERE)


Key responsibilities
The Committee is responsible, on behalf of the board, for regularly assessing the balance of executive and non executive directors and the composition of the board in terms of the skills, diversity and capacity required to ensure it remains relevant and appropriately aligned to oversee the delivery of Rio Tinto’s strategy.
Taking into account these factors, the Committee develops and agrees the desired profiles of potential candidates for board membership. In consultation with external search consultants, it then oversees a recruitment process to supplement the board’s skills or to replace directors as needed. The recruitment process itself includes identification of suitable candidates, followed by a formal assessment of each candidate, leading to a final selection process. Proposals for new board members are submitted to the full board for approval. On behalf of the board, the Committee also reviews proposals for senior executive appointments, monitors executive succession planning and oversees the board’s policy on external appointments of executive committee members.
Governance processes
The Committee meets not less than twice a year. In 2010, the Committee met three times.
The members of the Committee are all independent and free of any relationship that would affect their impartiality in carrying out their responsibilities. The chairman is considered independent under the ASX Principles and the NYSE Code. Under the Code he is not considered independent following his appointment as chairman, however the Code specifically allows the chairman to chair the Nominations committee. The composition of the Committee is therefore also compliant with the Code.
Key achievements in 2010
During 2010, the Committee:
  extended the membership of the Committee to all non executive directors of Rio Tinto;
 
  following consideration of the overall balance of skills, knowledge, experience and diversity on the board against current and future requirements of the Group, conducted a rigorous search and selection process resulting in the appointment of Ann Godbehere and Robert Brown as non executive directors; and
 
  considered the proposed annual re-election of directors, taking into account the board’s policy on independence and the results of the evaluations of the non executive directors;
 
  undertook its annual performance evaluation and reported the results to the board.
Priorities for 2011
  to review plans formulated for both executive and non executive director succession ;
 
  to consider the implications arising from the annual re-election of directors, including possible revisions to terms of appointment; and
 
  to monitor emerging regulation, including relating to diversity.
 
Jan du Plessis, chairman




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Committee on social and environmental accountability
Members (a)
1. Richard Goodmanson – chair
2. Robert Brown
3. Sir Rod Eddington
4. Yves Fortier
5. Lord Kerr
6. Vivienne Cox
 
(a)   Vivienne Cox joined the Committee on social and environmental accountability on 30 November 2010.
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Key responsibilities
The Committee assists the board to oversee management processes, standards, and strategies designed to manage social and environmental risks and achieve compliance with social and environmental responsibilities and commitments. The Committee reviews the effectiveness of management policies and procedures relating to safety, health, employment practices, relationships with neighbouring communities, environment, human rights, land access, political involvement and sustainable development.
Governance processes
The Committee meets not less than four times a year. In 2010, the Committee met six times. The chairman, chief executive, and other senior management regularly attend its meetings.
The members of the Committee are all independent and free of any relationship that would affect their impartiality in carrying out their responsibilities.
Key achievements in 2010
During 2010 the Committee undertook the following activities:
  Reviewed performance during the year against each of the Committee’s core areas of activity;
 
  Reviewed the adequacy of critical controls and corporate culture arising from publicised disasters external to the Group;
 
  Assessed the Group’s business resilience and corporate recovery programme;
 
  Reviewed the processes for the management of key operational (non financial) risks in the Group;
 
  Oversaw the conduct of an independent internal sustainable development assurance audit and reviewed the results; and
 
  Undertook its annual performance evaluation and reported the results to the board.
Priorities for 2011
  To assess progress towards embedding a zero harm culture through the Group and its non-managed operations;
 
  To continually review the approach to sustainable development to ensure it remains focused on the social, environmental, economic and governance risks most relevant to supporting the Group’s vision and delivering our strategy;
 
  To review work plans formulated for health, safety, environment, communities and employment practices;
 
  To consider the implications of emerging legislation; and
 
  To continue to improve the diversity of the Group’s workforce
The sustainable development review has been reviewed by the Committee and approved by the board.
(IMAGE) For more information read page 29




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Remuneration committee
Members (a)
1. Andrew Gould – chair
2. Michael Fitzpatrick
3. Richard Goodmanson
4. Paul Tellier
 
(a)   Sir David Clementi was a member of the Remuneration committee until his retirement on 26 May 2010.
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Key responsibilities
The Remuneration committee assists the board to fulfil its oversight responsibility to shareholders to ensure that remuneration policy and practices reward fairly and responsibly and with a clear link to corporate and individual performance.
The report of the Remuneration committee on pages 128 to 155 has been reviewed by the Committee and approved by the board. Key responsibilities, governance processes, key achievements in 2010, and priorities for 2011 are set out in the report.

 
Chairman’s committee report
Members
1. Jan du Plessis – chair
2. Tom Albanese
3. Guy Elliott
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Key responsibilities
The Committee acts on behalf of the board between scheduled board meetings either in accordance with authority delegated by the board or as specifically set out within its terms of reference. It supports the functioning of the board and ensures that the business of the board and its committees is properly planned and aligned with management. When mandated by the board, the Chairman’s committee will consider urgent matters between board meetings, and deal with the implementation of board decisions on transactions and other corporate matters. Other than for the chairman of the board, the Committee performs the annual review of non executive directors’ fees and makes a recommendation to the board, as appropriate.
Jan du Plessis, chairman
 
      


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Australia and Canada forum
An advisory forum has been established in each of Australia and Canada to advise the board and executive management on political, economic and social developments in those countries which could affect the successful development of Rio Tinto’s businesses. Each forum meets twice annually and is attended by the chairman, chief executive, chief financial officer, local directors and senior management.
Management committees
The chief executive has delegated authority from the board for the day to day management of the Group’s operations. The chief executive, chief financial officer and the heads of the product and global support groups share management responsibility for the management of the business.
The chief executive is assisted by the work of management committees in monitoring performance and delivering Rio Tinto’s strategy. The management committees are described below.
Executive committee
The Executive committee is responsible, under the leadership of the chief executive, for the day to day management of the business, setting performance targets and implementation of the Group’s strategy and direction as determined by the board. Based upon the financial authorities vested in the chief executive by the board, each member of this committee has delegated financial authorities, within a clear internal control framework, for the management of their respective areas. The members of the Committee are: the chief executive; the chief financial officer; the five product group chief executives; the Group executive, Technology & Innovation; the Group executive, Legal & External Affairs; the Group executive, People & Organisation; and the Group executive, Business Support & Operations.
Other management committees
Other management committees have been established to monitor performance, maintain controls and support the delivery of the Group’s strategy.
Investment committee
The purpose of the Investment committee is to review proposals for major capital decisions to ensure that they accord with the strategic objectives established by the board. The members of the Committee are: the chief executive (chair); the chief financial officer; the Group executive, Technology & Innovation; and the Group executive, Business Support & Operations.
Strategy and finance committee
The Strategy and finance committee is responsible, under the leadership of the chief financial officer, to review and advise on issues that arise in the day to day workings within the functional areas of the chief financial officer’s direct reports. The members of the Committee are: the chief financial officer; the global head of Planning & Reporting; the global head of Treasury; the global head of Taxation; the head of Investor Relations; and the head of Business Development.
Ore reserves steering committee
The Ore reserves steering committee is the primary governance body over the ore reserve estimation and disclosure processes. The members of the Committee are: the Group executive, Technology & Innovation (chair); the global head of Planning &
Reporting; the global practice leader, Mining, Technology & Innovation; the chief adviser, Evaluation; the chief adviser, Orebody Knowledge, Technology & Innovation; the chief adviser, Resources and Reserves, Technology & Innovation; the general manager, Resource Development, Iron Ore; and the chief geologist, Rio Tinto Exploration.
Continuous disclosure committee
The Committee is responsible for determining whether information relating to Rio Tinto may require disclosure to the markets under the continuous disclosure requirements in the jurisdictions in which Rio Tinto is listed. The members of the committee are: the chief financial officer (chair); the company secretary of Rio Tinto plc; General counsel Asia Pacific; the head of Business Development; the head of Investor Relations; and the global practice leader, Media Relations.
Disclosure and procedures committee
The primary role of this Committee is to assist the board, Audit committee and individual directors and officers who are required under various regulations to endorse the Group’s shareholder reports and other public documents. The members of the Committee are: the company secretary of Rio Tinto plc (chair); the global head of Planning & Reporting; the head of Investor Relations; the head of Compliance; and the head of Corporate Assurance.
Closure committee
This Committee oversees the closure management programme to manage the significant financial, reputational and operational risk of site closures. The members of the Committee are: the global head of Planning & Reporting (chair); the global head of Health, Safety, Environment & Communities; the Group executive, Legal & External Affairs; the global practice leader, Communities; the vice president, Human Resources, Functions; and the Group executive, Technology & Innovation. The activities of the Committee are supported by a sub-committee to implement the closure management programme.
Risk management committee
The Risk management committee assists the Executive committee and the board in ensuring that robust risk management exists across Rio Tinto. The Committee ensures that a sufficient level of risk analysis is applied to critical decisions and provides assurance to the Executive committee and the board that risk processes at all levels are effective and compliant with overall risk policy.
The members of the Committee are: the chief executive (chair); the chief financial officer; the Group executive, Business Support & Operations; the Group executive, Technology & Innovation; the Group executive, People & Organisation and the Group executive, Legal and External Affairs. In addition, a product group chief executive officer attends the Committee on a rotating basis.
Global code of conduct
Rio Tinto’s commitment to integrity and compliance is set out in The way we work, our global code of business conduct and one of the Group’s most important documents. See page 16 for more information.
The way we work contains principles and standards of conduct which reaffirm the Group’s commitment to corporate responsibility. It is inspired by our four core values: accountability, respect, teamwork and integrity. It is supported by Rio Tinto’s extensive framework of policies and standards.


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Core policies are adopted by the board after wide consultation, externally and within the Group. Once adopted, they are communicated to business units worldwide, together with mandatory standards, guidance notes and resources to support implementation. Business units are required to devote the necessary effort by management to implement and report on these policies and standards.
Rio Tinto’s core policies, addressed in The way we work, include: access to land; business integrity; communities; corporate governance; employment; environment; human rights; internal controls and reporting; occupational health; political involvement; government relations; safety; sustainable development; and transparency. These are supported by policies in the areas of data privacy, risk, information management and security.
Each policy is supported by standards and guidance, expanding on the minimum expectations on topics such as antitrust, continuous disclosure, antibribery, compliance, cultural heritage and health, safety and the environment. These policies and standards apply to all Rio Tinto managed businesses. Where the Group does not have operating responsibility for a business, Rio Tinto’s policies are communicated to its business partners and they are encouraged to adopt similar policies of their own. Rio Tinto employees are required to undertake training about the requirements of The way we work and other core policies.
“Whistleblowing” programme
The board has adopted a whistleblowing programme called Speak-OUT. Employees may report concerns, including suspicion of violations of the Group’s financial reporting or environmental procedures. The Speak-OUT programme is independently administered, confidential, and our employees can use this programme without fear of recrimination. A process has been established for the investigation of any matters reported. Details of Speak-OUT call activity are set out on page 39.
Dealing in Rio Tinto securities
Rio Tinto has a set of rules which restrict the dealing in Rio Tinto securities by directors and employees with access to “inside information”. These rules require those people to seek clearance from the chairman or the company secretary before any proposed dealing to ensure that they do not deal when in possession of inside information. Directors and members of the Executive committee will not be given clearance during “close periods” immediately preceding the announcement of annual and interim results. The rules prohibit the hedging of unvested options. The “Rules for dealing in Rio Tinto securities” comply with the new requirements of the ASX Listing Rules effective from 1 January 2011 and can be viewed in the corporate governance section of the website.
Communication
Rio Tinto recognises the importance of effective timely communication with shareholders and the wider investment community.
To ensure that trading in its securities takes place in an informed market, the Group has adopted continuous disclosure standards which are overseen by the Continuous disclosure committee and form part of the Group’s corporate governance standards (see page 123). Rio Tinto makes immediate disclosure to the listing authorities of any information that a reasonable person would expect to have a material effect on its share price in accordance with their rules. All information released to the markets is posted on the media section of the website.
In addition to statutory documents, Rio Tinto’s website features in depth information on health, safety and the environment, as well as general investor information, publications and policies and guidance. Full and half year results as well as any major presentations are also webcast. Presentation material from investor seminars is also made available on the website.
The annual general meetings present an opportunity to provide a summary business presentation, to inform shareholders of recent developments and to give them the opportunity to ask questions. Generally, the chairs of all board committees will be available to answer questions raised by shareholders and all directors are expected to attend where possible. Rio Tinto’s external auditor, PricewaterhouseCoopers, attends the annual general meetings and is available to answer questions about the conduct of the audit and the preparation and content of the auditor’s report. Any questions received and answers provided are made available at that meeting, and shareholders have the opportunity to meet informally with directors after the meeting.
The main channels of communication with the investment community are through the chairman, chief executive and chief financial officer, who have regular meetings with the Companies’ major shareholders. The senior independent director, chairmen of board committees, and other non executive directors are also available on request. The senior independent director has a specific responsibility to be available to shareholders who have concerns, and where contact with the chairman, chief executive or chief financial officer has failed to resolve their concerns, or for whom such contact is inappropriate.
During 2010, these meetings with the investment community focused on the issues of strategy, board succession; corporate governance; executive remuneration; and the operational and financial platform of the Group. Further information on these issues is set out on pages 18, 120, 114, 128 and 42 respectively.
The Group also organises regular investor seminars which provide a two way communication opportunity with investors and analysts. Feedback is communicated to the board. Surveys of major shareholders’ opinions and perceptions of the Group are presented to the board by the Group’s investor relations advisers on a regular basis.


      


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Risk management
Rio Tinto’s overriding objective is to maximise the return to shareholders through a strategy of investing in large, long term, cost competitive mines and businesses. The directors recognise that creating shareholder return is the reward for taking and accepting risk. The risks facing shareholders are, to some extent, managed by the Group’s diversified portfolio of assets spread across multiple geographies, currencies and commodities.
A description of some of the principal risks and uncertainties that could affect Rio Tinto are found on pages 25 to 28.
Risk policy and standard
The board recognises that risk is an integral component of the business, and that it is characterised by both threat and opportunity. The Group fosters a risk aware corporate culture in all decision making, and is committed to managing all risk in a proactive and effective manner through competent risk management. To support this commitment, risk is analysed in order to inform the management decisions taken at all levels within the organisation. The principles of the risk analysis and management process are set out in the Risk policy and standard which is in the corporate governance section of the website.
Risk approach
The Risk policy and standard is supported by an integrated framework of risk governance and reporting specifying how the Group organises the handling of risk. Together with the policy, the framework makes up the Rio Tinto approach to identifying, evaluating and managing the material business risks faced by the Group. Clear accountability for risk management is defined throughout the Group and is a key performance area of line managers.
The responsibility for identifying and managing risks lies with Rio Tinto’s managers and business leaders at all levels, but a number of specific roles have been defined to support the implementation of the framework. The top level process has been strengthened during 2010 by a review of the Group’s approach to managing its risk, the appointment of a head of Group risk to this new role, and the introduction of a risk management committee that reports to the Executive committee.
Internal controls
The directors are responsible for the Group’s system of internal controls and for reviewing annually its effectiveness in providing shareholders with a return on their investments that is consistent with a responsible assessment and management of risks. This includes reviewing financial, operational and compliance controls and risk management procedures and their effectiveness. The directors have completed their annual review and assessment for 2010. Whilst the Audit committee is responsible for oversight of the effectiveness of the risk management process, accountability for identifying and managing risks rests with the chief executive and is cascaded throughout the Group through the Executive committee.
Internal risk control systems
Two of the Group’s management committees, the Executive committee and the Disclosures and procedures committee, regularly review reports related to the Group’s control framework in order to satisfy the internal control requirements of the Code, the ASX Principles, the NYSE Code and US legislation. Each year, the leaders of the Group’s businesses and administrative offices complete an internal control questionnaire that seeks to confirm that adequate internal controls are in place, are operating effectively and are designed to capture and evaluate failings and weaknesses, if any exist, and that action is taken promptly, as appropriate. The results of the internal control evaluation are presented to the Audit committee in support of their review of the Group’s internal controls. Assurance functions, including internal auditors and sustainable development auditors, perform reviews of the integrity and effectiveness of control activities and provide regular written and oral reports to the Audit committee, Committee on social and environmental accountability and management committees.
In 2010, information was reported by management to the Audit committee to enable it to assess the effectiveness of the internal controls and the management of material business risks. In addition, as part of their role, the board and its committees routinely monitor the Group’s material business risks.
Due to the limitations inherent in any risk management system, the process for identifying, evaluating and managing the material business risks is designed to manage rather than eliminate risk and to provide reasonable but not absolute assurance against material misstatement or loss. Certain risks, for example natural disasters, cannot be managed to an acceptable degree using internal controls. Such major risks are transferred to third parties in the international insurance markets, to the extent considered appropriate. The Group has material investments in a number of jointly controlled entities and associates. Where Rio Tinto does not have managerial control, it cannot guarantee that local management of mining and related assets will comply with Rio Tinto standards or objectives. Accordingly, the review of their internal controls is less comprehensive than that of the Group’s managed operations.
Auditors and internal assurance
Auditor independence
As indicated in the report of the Audit committee on pages 119 to 120, Rio Tinto has adopted policies designed to uphold the independence of the Group’s principal external auditors by prohibiting their engagement to provide other accounting and other professional services that might compromise their appointment as independent auditors.
The engagement of the Group’s principal auditors to provide statutory audit services, other services pursuant to legislation, taxation services and certain other services are pre-approved. Any engagement of the Group’s principal auditors to provide other permitted services is subject to the specific approval of the Audit committee or its chairman.


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Prior to the commencement of each financial year the Group’s chief financial officer and its principal auditors submit to the Audit committee a schedule of the types of services that are expected to be performed during the following year for its approval. The Audit committee may impose a financial limit on the total value of other permitted services that can be provided. Any non audit service provided by the Group’s principal auditors, where the expected fee exceeds a pre-determined level, must be subject to the Group’s normal tender procedures.
In exceptional circumstances, the chief financial officer is authorised to engage the Group’s principal auditors to provide such services without going to tender, but if the fees are expected to exceed certain pre-determined limits then the chairman of the Audit committee must give prior approval of the engagement.
Further information on audit and non audit fees as well as remuneration payable to other accounting firms, is set out in note 43 to the financial statements.
PricewaterhouseCoopers have been the Group’s auditors for a number of years. Each year, the Committee reviews the effectiveness of the external audit process and the independence of the auditors. Based upon its 2010 review, the Committee was satisfied with the external audit process that was conducted and that the independence of the auditors was in no way compromised. The Committee does not consider it necessary to undertake a tender process for the auditors. In accordance with rotation rules, the principal auditors’ engagement partners will rotate every five years. The UK audit partner will rotate at the end of the 2010 audit and the Australian audit partner is due to rotate at the end of the 2011 audit.
Corporate Assurance
The Corporate Assurance function provides independent and objective assurance on the adequacy and effectiveness of the Group’s systems for risk management, internal control, and governance together with recommendations to improve the efficiency and effectiveness of the relevant systems and processes. The function has adopted international auditing standards set by the Institute of Internal Auditors (IIA).
The function operates independently of management, under a mandate approved by the Audit committee and the Committee on social and environmental accountability (CSEA) and has full access to all functions, records, property and personnel of the Group. The head of Corporate Assurance reports functionally to both the Audit committee and CSEA, providing each committee with information relevant to their specific terms of reference.
A risk based approach is used to focus assurance activities on high risk areas and audit plans are presented annually to the Audit committee and CSEA for approval.
In respect of its internal audit function, Rio Tinto utilises the services of external service providers. The Audit committee has a policy which addresses conflicts of interest in relation to management requested engagements of the service provider. The policy complies with the IIA’s standards on independence. Certain services are pre-approved under the policy as they would not be in conflict with the internal auditor’s role. There is a list of prohibited services which may not be undertaken without approval of the head of Corporate Assurance, and guidance on the consideration of services which may give rise to a conflict of interest.
Financial reporting
Financial statements
The directors are required to prepare financial statements for each financial period which give a true and fair view of the state of affairs of the Group as at the end of the financial period and of the profit or loss and cash flows for that period. This includes preparing financial statements in accordance with UK company law which give a true and fair view of the state of the Company’s affairs, and preparing a Remuneration report which includes the information required by Regulation 11, Schedule 8 of the Large and Medium Sized Companies and Groups (Accounts and Reports) Regulations 2008 and the Australian Corporations Act 2001.
The directors are responsible for maintaining proper accounting records, in accordance with the UK Companies Act 2006 and the Australian Corporations Act 2001. They have a general responsibility for taking such steps as are reasonably open to them to safeguard the assets of the Group and to prevent and detect fraud and other irregularities. The directors are also responsible for ensuring that appropriate systems are in place to maintain and preserve the integrity of the Group’s website. Legislation in the UK governing the preparation and dissemination of financial statements may differ from current and future legislation in other jurisdictions. The work carried out by the auditors does not involve consideration of such developments and, accordingly, the auditors accept no responsibility for any changes, should any be made, to the financial statements after they are made available on the website.
The directors, senior executives, senior financial managers and other members of staff who are required to exercise judgment in the course of the preparation of the financial statements are required to conduct themselves with integrity and honesty and in accordance with the ethical standards of their profession and/or business.
The directors consider that the 2010 Annual report presents a true and fair view and has been prepared in accordance with applicable accounting standards, using the most appropriate accounting policies for Rio Tinto’s business and supported by reasonable judgments and estimates. The accounting policies have been consistently applied. The directors have received a written statement from the chief executive and the chief financial officer to this effect. In accordance with the internal control requirements of the Code and the ASX Principles Recommendation 7.3, this written statement relies on a sound system of risk management and internal controls and confirms that the system is operating effectively in all material respects in relation to financial reporting risks.
Disclosure controls and procedures
The Group maintains disclosure controls and procedures as such term is defined in Exchange Act Rule 13a-15(e). Management, with the participation of the chief executive and chief financial officer, has evaluated the effectiveness of the design and operation of the Group’s disclosure controls and procedures pursuant to Exchange Act Rule 13a-15(b) as of the end of the period covered by this report and has concluded that these disclosure controls and procedures were effective at a reasonable assurance level.


      


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Management’s report on internal control over financial reporting
The common management of each of Rio Tinto plc and Rio Tinto Limited is responsible for establishing and maintaining adequate internal control over financial reporting. The Companies’ internal control over financial reporting is a process designed under the supervision of their common chief executive and finance officer to provide reasonable assurance regarding the reliability of financial reporting and the preparation and fair presentation of the Group’s published financial statements for external reporting purposes in accordance with IFRS.
Because of its inherent limitations, internal control over financial reporting cannot provide absolute assurance, and may not prevent or detect all misstatements whether caused by error or fraud, if any, within each of Rio Tinto plc and Rio Tinto Limited.
The Group’s internal control over financial reporting includes policies and procedures that pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect transactions and dispositions of assets; provide reasonable assurances that transactions are recorded as necessary to permit preparation of financial statements in accordance with IFRS and that receipts and expenditures are being made only in accordance with authorisations of management and directors of each of the Companies; and provide reasonable assurance regarding prevention or timely detection of unauthorised acquisition, use or disposition of the Group’s assets that could have a material effect on our financial statements.
Management conducted an assessment of the effectiveness of internal control over financial reporting as of 31 December 2010, based on the Internal Control - Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO), and concluded that it was effective.
PricewaterhouseCoopers LLP and PricewaterhouseCoopers, the auditors of Rio Tinto plc and Rio Tinto Limited respectively, audited the Financial statements included in this Form 20-F and audited the effectiveness of internal controls over financial reporting as of 31 December 2010. Their audit report on internal control over financial reporting is included on page 257 of this Annual Report on Form 20-F.
There were no changes in the internal controls over financial reporting that occurred during the period covered by this Annual Report on Form 20-F that have materially affected or are reasonably likely to materially affect the internal controls over financial reporting of each of Rio Tinto plc and Rio Tinto Limited.

Statement of compliance with governance codes and standards in 2010
In compiling this report, the directors have referred to The Combined Code on Corporate Governance, published by the UK Financial Reporting Council (the Code), the Australian Securities Exchange (ASX) Corporate Governance Principles and Recommendations 2nd edition (the ASX Principles), and the New York Stock Exchange (NYSE) Corporate Governance Standards (the NYSE Standards).
In accordance with the Listing Rules of the UK Listing Authority and the ASX, Rio Tinto confirms that throughout 2010 and at the date of this document the Group applied the principles of, and was compliant with, the provisions of Section 1 of the Code and was also fully compliant with the ASX Principles.
Rio Tinto plc, as a foreign issuer with American Depositary Shares listed on the NYSE, is obliged by the NYSE Standards to disclose any significant ways in which its practices of corporate governance differ from the NYSE Standards.
The Company has reviewed the NYSE Standards and believes that its practices are broadly consistent with them, with one exception. The NYSE Standards state that companies must have a nominating/corporate governance committee composed entirely of independent directors, with written terms of reference which, in addition to identifying individuals qualified to become board members, develops and recommends to the board a set of corporate governance principles applicable to the Company.
Rio Tinto has a Nominations committee, information about which is set out on page 120. This committee does not develop corporate governance principles for the board’s approval. The board itself performs this task and approves the Group’s overall system of governance and internal controls.
Rio Tinto’s website contains further information about the corporate governance framework.


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Remuneration report
 

About the report and committee
This report explains the roles, responsibilities and activities of the Remuneration committee and includes detailed disclosures on director and executive remuneration. It outlines how Rio Tinto ensures that its people are appropriately focused on driving continuous, sustainable improvements in performance to maximise total shareholder return by sustainably finding, developing, mining and processing natural resources in order to achieve our vision of becoming the sector leading global mining and metals company.
Following the outcome of the shareholder vote on the Remuneration report at the 2010 annual general meetings, the chairman led a consultation process with a range of shareholders to more fully understand any concerns that they have with the Group’s executive remuneration policy and practice and to discuss the Committee’s review of the Group’s long term incentive plans (LTIPs). The feedback provided was discussed by the Committee and has been taken into account in further developing the executive remuneration policy. During 2010, the Committee conducted a detailed review of its competitive benchmarking policy for members of the Executive committee. The conclusions are set out below, and have informed the remuneration decisions made by the Committee for the Executive committee. The Committee is proposing to review the LTIPs and commence a further round of consultation with shareholders on the form of any new plans before the plans expire in 2014.
Based upon the support expressed by shareholders during the earlier consultation exercise, the Committee is recommending to shareholders for approval at the 2011 annual general meetings amendments to the LTIPs to mitigate any unintended consequences from recent legislative changes in Australia. To ensure that Australian participants are not adversely impacted by the change in tax treatment of share options in Australia, the Committee has concluded that certain amendments are required to the rules of the Group’s Performance Share Plan (PSP), formerly the Mining Companies Comparative Plan (MCCP). The proposed changes mean that, participants in the Performance Share Plan and Share Option Plan will be given the opportunity to express their preference as to whether they receive their entire award in the form of Performance Shares as opposed to the current mix of Performance Shares and Performance Options. In order to implement these changes, a resolution to amend the rules of the PSP is being submitted to shareholders for approval at the 2011 annual general meetings. The notices of meeting for the 2011 annual general meetings contain further detailed information.
This report has been drawn up in accordance with applicable legislation and corporate governance guidance in the UK and Australia, which are the UK Combined Code on Corporate Governance, Schedule 8 of the Large and Medium sized Companies and Groups (Accounts and Reports) Regulations 2008, the UK Listing Authority Listing Rules, the Australian Corporations Act 2001 and Principle 8 of the revised Australian Securities Exchange Corporate Governance Principles and Recommendations 2nd edition (the ASX Principles).
Australian legislation requires disclosures in respect of “key management personnel”, being those persons having authority and responsibility for planning, directing and controlling the activities of the Group, including the directors. For the purposes of this report, the Committee has determined that the key management personnel are, in addition to the directors, members of the Executive committee. The Executive committee comprises the executive directors, product group chief executive officers (PGCEOs) and Group executives. Throughout this report, the members of the Executive committee, including the executive directors, are collectively referred to as
“executives”. The executives are listed on page 139 together with the positions held during the year and dates of appointment.
Australian legislation further requires disclosures in respect of the five highest paid executives below board level selected from the senior managers who make, or participate in making, decisions that affect the whole, or a substantial part, of the business of the Group, or have the capacity to significantly affect the Group’s financial standing. The Committee has determined that below board level, only members of the Executive committee constitute the group of senior managers that make decisions that affect the whole, or a substantial part, of the business of the Group.
In addition to executive remuneration, this report covers the chairman’s and the non-executive directors’ remuneration, see page 140.
Remuneration committee responsibilities
The Committee’s role is to ensure that remuneration policy and practices reward employees fairly and responsibly with a clear link to corporate and individual performance, and are aligned with shareholders’ interests in maximising shareholder return. The Committee’s responsibilities are set out in its terms of reference which are available in the corporate governance section of the Rio Tinto website.
These responsibilities include:
  monitoring the effectiveness and appropriateness of executive remuneration policy and practice;
 
  reviewing and determining the terms of service, including remuneration and any termination arrangements, for the chairman, executive directors, PGCEOs, Group executives and the company secretary of Rio Tinto plc;
 
  reviewing and confirming the remuneration framework and policies for other senior managers; and
 
  approving the use of share and cash based short and long term incentive plans for the Group, taking into account their alignment with the Group strategy.
The Committee considers the level of pay and conditions throughout the Group when determining executive remuneration and ensures the same principles are used when designing the broader employee remuneration policies. The Committee takes into account aggregate remuneration levels and the mix between the executives and professional staff. This ensures the comparative ratios are reasonable given differences in scope and responsibilities. The Committee is committed to ensuring that remuneration policy and practices reward people fairly and responsibly with a clear link to corporate and individual performance and reflecting, to the extent practicable, global corporate governance guidance on executive remuneration.
During 2010, the Committee met three times. The membership and meeting attendances are detailed in the corporate governance section on page 118. The Committee reviewed its terms of reference in 2010 and concluded that its responsibilities had been met and that its terms of reference remain appropriate. The Committee also undertook its annual performance evaluation and reported the results to the board.
The chairman and chief executive participated in meetings at the invitation of the Committee during 2010. The members of the Committee are all independent and free of any relationship that would affect their impartiality in carrying out their responsibilities. The Committee is supported by members of senior management who regularly attend meetings to provide information as requested by the Committee. These included Hugo Bague (Group executive, People & Organisation), Jane Craighead (Global practice leader, Total Rewards) and Ben Mathews
      




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(company secretary, Rio Tinto plc). None of the attendees mentioned above were present when matters associated with their own remuneration were considered.
Remuneration committee advisers
The independent advisers engaged by and reporting to the Committee during 2010 were Deloitte LLP. In addition to specialist
remuneration advice, Deloitte LLP provided unrelated taxation advice and advisory services to Rio Tinto. Deloitte LLP did not provide advice on executive remuneration matters other than to the Committee. The Committee has also drawn on the services and publications of a range of external service providers and remuneration consultants such as Towers Watson, Hay Group and Mercer in relation to market data and external validation of total shareholder return (TSR) performance.


Executive remuneration
Remuneration strategy
Rio Tinto operates in global and local markets where it competes for a limited pool of talented executives. To support its strategic drivers, the Group needs high quality, committed people. The executive remuneration strategy, and underlying policy, provides this support by enabling the Group to attract and retain talent that will maximise shareholder value.
The remuneration strategy (summarised below) is guided by our B-E-S-T approach, which is based on the principles of aligning remuneration arrangements with strategic Business objectives, Empowering employees by differentiating top performers, whilst fostering Simplicity and Transparency in the design and communication of these arrangements.
The components of this strategy, and how it supports our overall business strategy for achieving our vision of global sector leadership, are set out below:
     
Remuneration strategy   Supporting our business strategy
 
Shareholder alignment
We aim to incentivise management to deliver shareholder value, for example, by having relative TSR as the metric for our performance based long term incentive plans.
  Delivering rewards based on the relative standing of our performance against both the HSBC Global Mining Index and the broader market of large global companies as measured through the Morgan Stanley Capital Index (MSCI) helps drive superior performance, by providing greater upside potential and rewarding high wealth creation for our shareholders in growth periods.
 
   
 
Long term focus
We aim to provide incentive plans that focus on longer term performance.
  Our incentive plans are designed to promote and reward decision making with a positive long term impact so that our executives successfully contribute to our business of focusing on investing in and operating large, long term, cost competitive mines and businesses. The Performance Options and Performance Shares have a three and four year time horizon, respectively. The Committee has also introduced a deferral of a proportion of the annual bonus, payable in shares after three years.
 
   
 
Health and safety
We aim to promote and reward sustainable development, with a strong focus on health and safety in the annual bonus targets.
  As an organisation, we strive for superior long term shareholder value creation in a healthy, safe and environmentally appropriate way. These are key elements of our commitment to operational excellence and licence to operate, two of the Group’s strategic drivers. This is why we have health and safety as key performance indicators in the Short Term Incentive Plan (measured in relation to all injury frequency rates, significant potential incidents rate and semi quantitative risk assessment).
 
   
 
Competitive, performance related packages
We aim to provide remuneration levels necessary to recruit and retain executives of the high calibre required to deliver our strategy. We benchmark our remuneration against our key peers to ensure we offer packages that are appropriate, with due regard for performance, without being excessive.
  High quality people, who are capable of achieving stretching performance targets, are essential in generating superior returns for the Group. By providing competitive and performance related remuneration, we can attract the talent needed to further solidify our strategic advantage and respond quickly and strategically to changing market opportunities and challenges.
 
   
 
Remuneration policy
The Committee has recently conducted a review of the comparator groups which should be used for remuneration benchmarking comparisons. It has concluded that, for the purposes of assessing the appropriate level of executive remuneration, the FTSE 30, (excluding financial services companies, and with due regard for size and complexity) will be an initial comparator group. Additional references will be made to a supplementary comparator group, composed of a cross section of international industrial organisations (broadly comparable to Rio Tinto in terms of global reach, revenue, market capitalisation and complexity) for which the Company competes for talent. Specific comparisons will also be made against other international mining companies where appropriate.
Typically, base salaries will be positioned at the median of these comparator groups, with total remuneration positioned across the full market range according to performance.


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Remuneration report continued
 

A summary of the current remuneration arrangements is set out below:
         
    Objective of component   Remuneration arrangements
 
Base Salary (fixed)
 
   Provides the fixed element of the remuneration package
   Typically, base salaries will be positioned at the median of the identified comparator groups, with total remuneration positioned across the full market range according to performance
 
   Salary adjustments effective 1 March 2011
   Any increases are determined with reference to underlying Group performance and global economic conditions
 
       
 
Short Term Incentive Plan (“STIP”) (at risk)
 
   Focuses participants on achieving annual performance goals, which are based on the Group’s KPIs, to create sustainable shareholder value
   50 per cent of the bonus delivered in cash and 50 per cent delivered in deferred shares under the Rio Tinto Bonus Deferral Plan (BDP), vests in the December of the third year after the end of performance year to which they relate (generally subject to continued employment) to ensure ongoing alignment between the executives and shareholders
 
   Target STIP opportunity 100 per cent for PGCEOs and Group executives to 120 per cent of base salary for executive directors
   Maximum STIP opportunity of 200 per cent of base salary
   Performance targets include earnings, cash flow, safety and individual performance objectives
 
       
 
Performance Options – Share Option Plan (“SOP”) (at risk)
 
   Rewards participants for increasing the share price and delivering superior TSR performance against other companies over a long term horizon
   Three year performance period to provide long term alignment with shareholders
   “How” performance is generated is as important as “what level” of performance is delivered. Therefore, before awards vest, the Committee must also satisfy itself that TSR performance is an appropriate reflection of the underlying performance of the business and can adjust vesting accordingly
 
   Market value Performance Options vest based on the TSR performance against the HSBC Global Mining Index
   Target (and maximum) face value of 300 per cent of base salary
 
       
 
Performance Shares – Performance Share Plan (“PSP”) (formerly the Mining Companies Comparative Plan) (at risk)
 
   Rewards participants for increasing the share price and delivering superior TSR performance against other companies over a long term horizon
   Four year performance period to provide long term alignment with shareholders
   As with Performance Options, before vesting the Committee must also satisfy itself that TSR performance is an appropriate reflection of the underlying performance of the business and can adjust vesting accordingly
 
   Conditional share awards vest based on TSR performance relative to 50 per cent – the HSBC Global Mining Index; 50 per cent – the Morgan Stanley Capital World Index (MSCI)
   Target award equal to face value of 200 per cent of base salary
   1.5 times target award vesting for outperformance of the relevant index
   Subject to shareholder approval at the 2011 annual general meetings, from 2011 executives allowed to express a preference regarding the “mix” of the long term incentive opportunity between:
   Keeping the current mix of Performance Shares/Performance Options
   Receiving their full opportunity in Performance Shares
   Overall the expected value of the total compensation opportunity will remain the same. In order to facilitate this choice it is proposed that the individual grant limits under the PSP be increased
 
       
 
Management Share Plan (“MSP”) (usually time based)
 
   Enhance the Group’s ability to attract and retain key staff in an increasingly tight and competitive labour market
 
   Conditional share awards generally vest based on continued service with the company until the date of vesting
   Members of the Executive committee are not eligible to participate in awards under this plan
   Shares to satisfy the awards are purchased in the market and no new shares are issued to satisfy awards
 
       
 
Post employment Benefits (fixed)
 
   Provides locally competitive post employment benefits for participants in a cost efficient manner
 
   Post employment benefit arrangements offered
 
       
 
Shareholding requirement
 
   Provides alignment with shareholders’ interests
 
   Executive directors – Two times base salary over a three year period from appointment
   Other members of the Executive committee – Two times base salary over a five year period from appointment
 
       
 
      




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Remuneration mix
Consistent with the Group’s strategy, the Committee seeks to achieve a remuneration mix which best reflects the long term nature of the business. As such, the total remuneration package is designed to provide an appropriate balance between fixed and variable components with a focus on long term variable pay.
The remuneration mix assuming target STIP and LTIP awards with the current mix of Performance Shares and Performance Options is set out below and is identical for each group.
(GRAPHIC)
Remuneration components
Base salary
The Committee has completed a comprehensive review of the remuneration levels of the chief executive, executive directors, PGCEOs and Group executives.
This review took into account:
  Rio Tinto’s strong performance in 2010 and the Group’s growth ambitions for the future
  an assessment of individual performance
  the motivation of people with critical skills, at a time of a highly competitive market for talent in the industry
  the retention of individuals within the Group’s succession planning processes who are vital to the creation of long term shareholder value, and
  that salaries have remained at March 2008 levels for the chief executive and members of the Executive committee.
These factors were viewed in light of the results of a full, independent review of base salary and total compensation, which was commissioned by the Committee to enable it to make fully informed decisions around pay. This made reference to the Company’s benchmarking comparator groups, namely the FTSE 30, excluding financial services, and additional references to global industrial companies that the Company competes with for talent. The conclusion from this review was that it was considered in the best interests of our shareholders to restore pay to a more competitive market position. The Committee therefore approved adjustments in base salaries, which take effect on 1 March 2011, as shown in the table below.
The Committee was aware, when making this decision, that these adjustments were outside the range of a typical annual salary review in its major markets. However, it is equally aware that this still leaves the remuneration of the majority of executives below market rate, within a highly competitive global market for talent.
                         
    2011     2010     2009  
Name   Base salary     Base salary     Base salary  
 
                 
Executive directors                  
 
                 
Tom Albanese
  £1,030,000     £907,500     £907,500  
 
                 
Guy Elliott
  £720,000     £675,500     £675,500  
 
                 
Sam Walsh
    A$1,590,000       A$1,475,000       A$1,475,000  
 
                 
Other members
of executive committee
                 
 
                 
Hugo Bague
  £415,000     £360,000     £360,000  
 
                 
Preston Chiaro
  US$770,000     US$725,000     US$725,000  
 
                 
Bret Clayton
  US$745,000     US$700,000     US$700,000  
 
                 
Jacynthe Côté
  US$885,000     US$825,000     US$825,000  
 
                 
Andrew Harding(a)
  £420,000     US$650,000     US$650,000  
 
                 
Harry Kenyon-Slaney
  £420,000     £360,000     £360,000  
 
                 
Doug Ritchie
    A$930,000       A$850,000       A$850,000  
 
                 
Debra Valentine
  US$630,000     US$570,000     US$570,000  
 
                 
(a)   Andrew Harding was paid in US$ until his relocation to the UK


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Remuneration report continued
 

Short Term Incentive Plan (“STIP”)
Awards made under the STIP are based on performance against financial, safety and individual business objectives. The financial objectives are balanced equally between earnings performance and cash flow performance. The Committee selected these measures as they are key performance indicators (KPIs) used in managing the business.
As the potential impact of fluctuations in exchange rates and some prices are outside the control of the Group, for earnings and cash flow metrics, the Committee compares on an equal weighting the actual results (unflexed) and underlying performance (flexed) for prices and exchange rates.
Safety performance is a priority for Rio Tinto. Its inclusion in the STIP (measured in relation to all injury frequency rates, significant potential incidents rate and semi-quantitative risk assessment) is a strong reminder that the safety of our employees is paramount and should not be compromised when targeting superior financial results.
Individual performance metrics for executives are calibrated to be specific, measurable objectives which are aligned with Rio Tinto’s strategy. Seventy per cent of the STIP awards are based on business measures (earnings, cash flow and safety) and 30 per cent on individual measures. For PGCEOs, the business measures of the relevant product group contribute to nearly half of the 70 per cent weighting.
The maximum annual bonus opportunity under the STIP for the executives is 200 per cent of salary (target opportunity of 120 per cent of salary for executive directors and 100 per cent of salary for PGCEOs and Group executives). Half of any bonus earned will be payable in cash with the remaining 50 per cent being deferred into shares, under the Rio Tinto Bonus Deferral Plan. These shares vest, generally subject to continued employment, in December of the third year after the end of the performance year to which they relate.
The Committee continues to review the appropriateness of using STIP to incentivise both environmental as well as health performance.

STIP measures for 2010
                 
    Weighting for Executive        
    directors and Group     Weighting for  
Business measures   executives %     PGCEOs(b) %  
 
           
Rio Tinto Group(a)
               
Earnings
    26.25       10.50  
Cash flow
    26.25       10.50  
 
           
Product group(a)(b)
               
Earnings
          15.75  
Cash flow
          15.75  
 
           
Safety(c)
    17.50       17.50  
 
           
Individual objectives
               
Individual objectives are tailored to each executive but are generally based on the achievement of strategic initiatives, key project deliverables and leadership competencies
    30.00       30.00  
 
           
(a)   The earnings and cash flow measures are weighted 50:50 between flexed and unflexed performance respectively
 
(b)   Sam Walsh is considered a PGCEO with regard to STIP performance measures
 
(c)   Safety measures included All Injury Free Rate (AIFR), Semi Quantitative Risk Assessment (SQRA) and Significant Potential Incidents (SPI). which make up 50 per cent, 30 per cent and 20 per cent of overall safety weighting respectively
      

The same weightings for the STIP will apply for 2011.
STIP business performance outcomes
Rio Tinto had both strong earnings and cash flow results in 2010 which resulted in the Group and product groups achieving above target outcomes for the STIP financial measures.
Rio Tinto met or exceeded the Group’s and product group’s safety targets across all three measures including an 18 per cent reduction in the AIFR. However, three fatalities in 2010 necessitated a downward adjustment of the overall Group’s safety results. The safety scores for Tom Albanese, Sam Walsh, and Hugo Bague were capped at 100 per cent of target and Bret Clayton’s score was further reduced as a result of the fatalities.
Performance evaluation process for individual executives
Rio Tinto conducts an annual performance management process for all of its senior executives. In the case of members of the Executive committee, the chief executive conducts the review. In the case of the chief executive, the chairman of the Committee conducts the review in conjunction with the chairman of the board.
 
The key objectives of the performance process are to:
  improve organisational effectiveness by creating alignment between the executive’s individual objectives and Rio Tinto’s strategy, and
  provide a consistent, transparent and balanced approach to measure, recognise and reward executive performance.
Annual individual objectives are set with the Committee in the first quarter of each year. Annual performance reviews are completed during early January of the following year.
Performance evaluations for each executive took place in January 2011 in accordance with the process described. Individual objectives and awards for 2010 for the executives are set out opposite.
      




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STIP outcomes by executive for 2010
             
    Business / Individual objectives    
Name   (% of target)   Summary of individual objectives
 
Executive directors
 
Tom Albanese
  Group Financial
Individual
Safety
  159.8
150.0
100.0
 
   Provide effective leadership across the Group
   Deliver operational improvements
   Ensure Rio Tinto’s portfolio remains strong
   Strengthen Rio Tinto’s “licence to operate”
 
Guy Elliott
  Group Financial
Individual
Safety
  159.8
150.0
154.4
 
   Provide effective leadership of the finance function
   Ensure continued primacy in strategic formation and development
   Complete the Group’s divestment programme
 
Sam Walsh
  Group Financial
PG Financial
Individual
PG Safety
  159.8
188.3
165.5
100.0
 
   Provide effective leadership of Rio Tinto Iron Ore.
   Provide successful leadership of the design and (subject to regulatory approvals), commence the implementation of the Western Australian
Iron Ore Production Joint Venture with BHP Billiton
   Gain approval for strategic initiatives
   Target new global growth opportunities
 
Other members of the Executive committee
 
Hugo Bague
  Group Financial
Individual
Safety
  159.8
130.0
100.0
 
   Provide effective leadership across health, safety, environment & communities and human resource streams
   Foster employee engagement for operational improvement
   Ensure organisational agility and workforce flexibility through functional optimisation and business partnering
 
Preston Chiaro
  Group Financial
Individual
T&I Safety
  159.8
134.5
177.3
 
   Provide effective leadership of the Technology & Innovation function
   Create value through effective engagement with business units
   Demonstrate progression of the climate and energy strategy
   Broaden strategic production planning across Rio Tinto
 
Bret Clayton
  Group Financial
Individual
BS&O Safety
  159.8
125.0
83.4
 
   Provide effective leadership of the Business Support & Operations function
   Expand corporate risk management to drive a cultural shift in risk management over the longer term
   Establish additional evaluation techniques for large, long term assets, where appropriate, and consistent with the Group strategy
   Progress the long term business model to reflect business and geographical diversity
 
Jacynthe Côté
  Group Financial
PG Financial
Individual
PG Safety
  159.8
144.5
133.3
200.0
 
   Provide effective leadership of Rio Tinto Alcan
   Drive further sustainable cost reduction
   Continue the divestment programme of selected assets
   Drive value improvement on key growth projects to reduce capital expenditure intensity
 
Andrew Harding
  Group Financial
PG Financial
Individual
PG Safety
  159.8
148.8
143.0
180.0
 
   Provide effective leadership of Copper
   Ensure appropriate resources, structure and support to deliver sustainable value in key strategic locations
   Pursue growth opportunities
   Establish relationships with key partners, governments and NGOs
 
Harry Kenyon-Slaney
  Group Financial
PG Financial
Individual
PG Safety
  159.8
171.5
143.0
200.0
 
   Provide effective leadership of Diamonds & Minerals
   Develop and communicate a clear vision, growth strategy and structure
   Develop product group wide collaborative structures and provide active guidance and coaching to ensure the development of talent
   Ensure effective management of new strategic joint ventures
 
Doug Ritchie
  Group Financial
PG Financial
Individual
PG Safety
  159.8
154.8
139.0
103.3
 
   Provide effective leadership of Energy
   Develop clear and deliverable plans for volume delivery and economic expansion in a sustainable manner
   Conduct a global energy study to gain insights into the development and changes to the global energy market and its impact on our existing and future strategy
 
Debra Valentine
  Group Financial
Individual
Safety
  159.8
137.0
154.4
 
   Provide effective leadership to the legal, external relations, media, security and compliance functions
   Deliver key corporate projects and support for business needs
   Focus on developing government relations capabilities across key countries
 


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Remuneration report continued
 

STIP awards by executive for 2010
                                         
  2010 STIP     % of maximum     % of maximum     % of target  
Stated in ‘000   Cash     Deferred Shares     STIP awarded     STIP forfeited     STIP awarded  
                               
Executive directors
                               
Tom Albanese
  £797     £797       73.2       26.8       146.4  
                               
Guy Elliott
  £632     £632       78.0       22.0       155.9  
                               
Sam Walsh
    A$1,416       A$1,416       80.0       20.0       160.0  
                               
Other members of Executive committee
                               
Hugo Bague
  £253     £253       70.2       29.8       140.4  
                               
Preston Chiaro
  US$563     US$563       77.6       22.4       155.2  
                               
Bret Clayton
  US$476     US$476       68.0       32.0       136.0  
                               
Jacynthe Côté
  US$636     US$636       77.0       23.0       154.1  
                               
Andrew Harding
  US$249     US$249       77.4       22.6       154.8  
 
  £140     £140                          
                               
Harry Kenyon-Slaney
  £298     £298       82.8       17.2       165.5  
                               
Doug Ritchie
    A$604       A$604       71.0       29.0       142.1  
                               
Debra Valentine
  US$433     US$433       76.0       24.0       152.0  
                               

Long term incentives
The Group operates the following long term incentive plans:
  The Share Option Plan - a market value share option plan which is subject to TSR performance and has been approved by shareholders.
  Performance Share Plan (formerly the Mining Companies Comparative Plan) - a performance share plan which is subject to TSR performance and has also been approved by shareholders. The name changed from MCCP to PSP and all references to the MCCP have been changed to the PSP.
  The Management Share Plan - a plan which generally provides time based awards.
Share Option Plan (“SOP”)
Under the SOP, options are granted to purchase shares at an exercise price based on the share price at the date of grant. The maximum face value of grants under the SOP is 300 per cent of base salary.
The vesting of options is subject to the achievement of a stretching total shareholder return (TSR) performance condition, comparing Rio Tinto’s TSR performance to that of the HSBC Global Mining Index as at 31 December of the third year after grant. If Rio Tinto’s TSR performance is equal to the performance of the index, the higher of one third of the actual grant or 20,000 options may vest. No options will vest if Rio Tinto’s TSR performance is less than the index’s performance. The full award will only vest if TSR performance is equal to or greater than the HSBC Global Mining Index plus five per cent per annum. Between these points, options will become exercisable on a sliding scale.
Performance Share Plan (“PSP”)
Rio Tinto’s performance share plan, the PSP, is designed to incentivise management to drive business performance. Target awards under the plan can be made with a face value of up to 200 per cent of base salary.
Vesting of PSP awards, made since 2010, are subject to Rio Tinto TSR performance compared against:
  50 per cent - the performance of the HSBC Global Mining Index;
  50 per cent - the performance of the Morgan Stanley Capital World Index (MSCI).
The use of both the HSBC Global Mining Index and MSCI reflects the fact that Rio Tinto competes against a global market for investors as well as within the mining sector and is consistent with rewarding executives for providing stable returns over the long term relative to the broader market as well as the mining sector.
Vesting for awards is as follows:
     
Outperformance of the index by 8% per annum
  1.5 times target award vests
 
Performance between index and 8% out performance
  Straight line vesting
 
Performance equal to index
  0.35 times target award
 
Performance less than index
  Nil vesting
 
The outperformance required for maximum vesting has been calibrated to be equivalent to the upper quartile performance against these indices and, as such, is considered by the Committee to be particularly stretching.
The Committee considers that TSR is an appropriate performance measure for the SOP and PSP as it captures objectively the return Rio Tinto delivers to its shareholders over the long term and rewards executives for the extent to which the Group’s TSR has outperformed its comparators.
The Committee recognises the importance of ensuring that the level of vesting is commensurate with the underlying performance of the business. Therefore, when approving vesting under the SOP and PSP, the Committee will ensure it is satisfied that TSR performance is a genuine reflection of the value available to shareholders and the underlying performance of the Group and will adjust levels accordingly, if required.




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Proposed changes to the Performance Share Plan from 2011
As referred to on page 128 in relation to the shareholder consultation exercise conducted in 2010, the Committee is recommending to shareholders for approval at the 2011 annual general meetings certain changes to the PSP rules. These changes ensure that participants are not adversely impacted by the recent change in the tax treatment of options in Australia. As set out above, the Committee currently grants Performance Shares under the PSP with a face value of up to 200 per cent of base salary and Performance Options with a face value of up to 300 per cent of base salary.
The Committee believes that Performance Options continue to be an appropriate incentive tool for senior executives as they create a strong degree of alignment with shareholders. However, following the tax changes in Australia, the Committee intends that, for LTIP awards granted from 2011 onwards, executives will be given an opportunity to indicate their preference regarding the “mix” of their LTIPs. The alternative approaches will be to:
  retain the current mix of Performance Shares and Performance Options, which is determined annually by the Remuneration committee; or
  receive their full long term incentive opportunity in Performance Shares.
To allow Rio Tinto the flexibility to grant participants their full LTIP award in the form of Performance Shares (where they choose to do so), the individual limits under the rules of the PSP will need to be increased to a face value award of up to 300 per cent of base salary. Participants would have the opportunity to earn up to one and half times this amount based on the extent to which the performance condition is met. This amount has been calibrated to be broadly equivalent in expected value terms to the value of the LTIP awards under the current mix of shares and options. Therefore, the increase in face value terms of Performance Shares is not on a one-for-one basis to Performance Options.
The Company will seek shareholder approval at the 2011 annual general meetings to increase the individual PSP limits so that annual maximum face value of Performance Shares that may be awarded is increased from of 200 per cent to 300 per cent of base salary.
Management Share Plan (“MSP”)
The primary focus of the MSP is to support the Group’s ability to attract and retain key staff in an increasingly tight and competitive labour market. MSP awards are conditional awards not subject to a performance condition as they vest subject to continued employment, at the end of three years, and thus act as a strong retention tool. Executive committee members do not participate in the MSP and no awards were made to any executives in 2010.
Jacynthe Côté, Andrew Harding, Harry Kenyon-Slaney and Doug Ritchie received grants under the MSP prior to becoming PGCEOs. Hugo Bague and Debra Valentine received grants prior to Group executives being excluded from participation in the plan in 2010. These previous grants vested in part in 2010 and the remainder will vest during 2011 as set out in Table 4a.
      


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Remuneration report continued
 

Long term incentives granted in 2010
Options over either Rio Tinto plc or Rio Tinto Limited shares, as appropriate, were granted to each executive under the SOP on 22 March 2010.
A conditional award of performance shares in either Rio Tinto plc or Rio Tinto Limited shares was also made to each executive under the PSP on 22 March 2010.
The LTIP awards for each executive are set out below.
                         
    2009 LTIP     2010 LTIP        
    Expected value of     Expected value of        
Stated in ‘000   awards granted     awards granted     % change  
 
                 
Executive directors
 
                 
Tom Albanese
  £1,723     £1,723        
 
                 
Guy Elliott
  £1,283     £1,283        
 
                 
Sam Walsh
    A$2,803       A$2,803        
 
                 
Other members of Executive committee
 
                 
Hugo Bague
  £684     £684        
 
                 
Preston Chiaro
  US$1,378     US$1,378        
 
                 
Bret Clayton
  US$1,092     US$1,092        
 
                 
Jacynthe Côté
  US$1,287     US$1,287        
 
                 
Andrew Harding(a)
  US$386     US$618       60.1  
 
                 
Harry Kenyon-Slaney(a)
  £175     £684       290.9  
 
                 
Doug Ritchie(a)
    A$607       A$1,615       166.1  
 
                 
Debra Valentine
  US$1,083     US$1,083        
 
                 
(a)   2009 LTIP awards were granted prior to Messrs Harding, Kenyon-Slaney and Ritchie on becoming PGCEOs and reflect the award made to them in their former role.
Long term performance indicators and outcomes
The graph below illustrates the TSR performance of the Group against the HSBC Global Mining Index and the MSCI over the past five years. These two indices have been selected as they are the broad equity indices against which Rio Tinto’s TSR performance is assessed under the PSP and SOP, and they reflect the fact that Rio Tinto competes against a global market for investors as well as within the mining sector.
(LINE GRAPH)
      




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In 2010, Rio Tinto achieved strong earnings and share price performance. This strong performance has a direct impact on the LTIP. The effect of this performance on shareholder wealth, as measured by TSR delivered during the relevant calendar year, is detailed in the table below.
Rio Tinto shareholder return 2006-2010
                                                                 
    Dividends paid     Share price – Rio Tinto plc     Share price – Rio Tinto Limited     Total shareholder return  
    during the year             pence               A$                     (TSR)  
Year   US cents per share     1 Jan     31 Dec     1 Jan     31 Dec     RTP%     RTL %     Group %  
 
2010
    90.0       3,390       4,487       74.89       85.47       34.6       15.3       32.6  
 
2009
    68.0       1,231       3,390       29.97       74.89       182.2       156.7       172.8  
 
2008
    152.0       4,392       1,231       105.65       29.97       (71.5 )     (71.1 )     (71.5 )
 
2007
    116.0       2,245       4,392       58.60       105.65       99.5       82.9       92.8  
 
2006
    191.5       2,193       2,245       54.42       58.60       6.2       9.2       7.4  
 
Long term incentive outcomes for 2010
Despite continued strong share price performance in 2010, the share price for the performance period included baseline prices from periods of very strong commodity markets that existed prior to the 2008-2009 downturn. Therefore share options granted in 2008 did not vest and were cancelled and awards under the PSP only partially vested.
SOP
Plan performance period that ended 31 December 2010
     
 
Comparator group
  HSBC Global Mining Index
 
Index TSR %
  6.9 
 
Rio Tinto TSR %
  0.3 
 
% of shares vested
  – 
 
% of shares forfeited
  100 
 
PSP
Plan performance period that ended 31 December 2010
     
 
Comparator companies
  Alcoa, Anglo American, Barrick Gold, BHP Billiton, Cameco, Freeport-McMoRan, Gmexico ‘B’, Impala Newmont Mining, Peabody Energy, Potash, Teck Cominco, Vale do Rio Dolce, Xstrata
 
TSR Ranking(a)
  7th (49% TSR)
 
% of shares vested
  Executive directors and PGCEOs: 36.4
Group executives: 55.6
 
% of shares forfeited
  Executive directors and PGCEOs: 63.6
Group executives: 44.4
 
 
(a)   Rio Tinto must achieve a ranking of 5th for vesting to begin at 35%. No awards vest below this level.
MSP
     
 
Plan period
  Plan period that ended 31 December 2010
 
% of shares vested
  100 
 
% of shares forfeited
  – 
 
All employee share plans
Executives may participate in broad based share and share option plans which are available to Group employees generally and for which performance conditions do not apply. These plans form part of standard remuneration practice whereby employees are offered participation in plans to encourage alignment with the long term performance of the Group. Executives may participate in the Rio Tinto plc Share Savings Plan or the Rio Tinto Limited Share Savings Plan depending on whether they are employed by Rio Tinto plc or Rio Tinto Limited. The plans allow the participant to save up to £250 per month (or equivalent in local currency) for a defined period, not exceeding five years, before exercising options granted at a discount of up to 20 per cent to the market value at the time of grant. Grants made to executives under these plans are set out in Table 5 on pages 152 to 155.
The Share Ownership Plan is available to eligible employees in the UK who may receive an annual award of shares up to five per cent of salary, subject to a cap of £3,000. Under this plan, employees may also make contributions from salary each month to purchase shares at the prevailing market price subject to a cap of £1,500 per annum. The Company matches the shares purchased on a one for one basis. This plan was first approved by shareholders in 2001 and in line with the rules of the plan, after being in operation for ten years, it will be submitted to shareholders for renewal at the Rio Tinto plc 2011 annual general meeting.
Where, under an employee share plan operated by the Company, participants are the beneficial owners of the shares, but not the registered owner, the voting rights are normally exercised by the registered owner at the direction of the participant.
Dilution
Awards under the SOP and PSP may be satisfied by treasury shares, the issuance of new shares or the purchase of shares in the market. Currently, Rio Tinto plc satisfies awards by the issuance of new shares or the transfer of shares from treasury. Rio Tinto Limited satisfies awards by the market purchase and delivery of shares to plan participants. Rio Tinto plc complies with the ABI guidelines in relation to the issuance of new shares. All other share awards are satisfied by the use of shares which are purchased in the market. Further information in respect of the number of shares issued under plan arrangements can be found in note 49 to the financial statements.


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Post employment benefits
Executives may participate in post employment benefit arrangements offered by the Group. No post employment benefits are provided to non executive directors. The following table details the post employment benefit components for Rio Tinto’s executive directors.
Details of executive directors’ pension entitlements are set out in Table 2 on pages 146 and 147.
     
Country/Executive director   Post employment benefit
 
UK
  Plan membership – UK employer pension plans as provided to other UK based employees. Pension is indexed to UK price inflation to a maximum of ten per cent per annum
 
Tom Albanese
  Tom Albanese specific provision:
 
 
 
   Target defined benefit of 2/3rds of basic salary at age 60, inclusive of benefits accrued in the US
 
Guy Elliott
  Guy Elliott specific provision:
 
 
   Target defined benefit of 2.3 per cent of basic salary for each year of service with the Company to age 60
 
Australia
  Plan membership – Australian employer funded superannuation plan as provided to other Australian based employees
 
Sam Walsh
 
   Target defined benefit is a lump sum multiple of 4.05 times final basic salary at age 62
   Additional Company contribution on a defined contribution basis of 20 per cent of the lesser of 50 per cent of the annual STIP award or 20 per cent of basic salary. This is in line with typical market practice in Australia
 
Other payments during 2010
This section provides information on any one-time payments made during the year which are not a core element of the remuneration package.
Bonus Deferral Plan (“BDP”) / Company Contributed Awards (“CCA”)
During the global and industry downturn in 2009, the Committee decided to defer the 2008 STIP payments into shares in order to conserve cash. Executive directors and PGCEOs were required to defer 100 per cent, and all other executives were required to defer 50 per cent, of any bonus due in respect of 2008. The bonus deferral for executive directors and PGCEOs vest 100 per cent based on service at the end of 2011. In the case of the other executives, an amount equal to 25 per cent of salary was added to the amount of the bonus deferral to provide enhanced retention in a challenging period. The shares vest on the basis of 50 per cent vesting at the end of 2010 and 50 per cent at the end of 2011. Fifty per cent of the shares awarded under the BDP and CCA vested for Jacynthe Côté, Hugo Bague, Andrew Harding, Harry Kenyon-Slaney, Doug Ritchie and Debra Valentine on 1 December 2010. These shares were conditionally awarded prior to the named executives becoming PGCEOs or Group executives. The payments made under these awards are detailed in Table 1a.
One-off long term incentive grant
Upon promotion to the role of CEO Rio Tinto Alcan, and based on the terms of her legacy Alcan Inc. contract, Jacynthe Côté was granted a one-time conditional award of shares equal to 25 per cent of her current annual base salary to incentivise her to deliver synergy savings and to promote the effective integration of Rio Tinto Alcan from an organisational and cultural perspective. The award was subject to performance conditions which provided for 50 per cent of the award that vested on 1 February 2010 and a further 50 per cent that vested on 1 February 2011 as the performance conditions were met. The performance conditions attached to vesting related to the full achievement of objectives based on the integration and re-organisation of Rio Tinto Alcan. Effective from October 2007, Jacynthe Côté was also granted a one-off time based, special retention grant as part of her legacy Alcan Inc. arrangements on assuming the role of president and CEO Primary Metals, Rio Tinto Alcan. The remaining 60 per cent of this grant vested on 25 October 2010. The payments made under these awards are detailed in Table 1a.
Relocation payment
Andrew Harding relocated from the US to the UK in 2010 as part of the terms of his promotion to PGCEO Copper. As part of the relocation, the Company paid Andrew Harding a one time payment, net of taxes, to compensate him for the loss on sale he incurred when selling his residence in Salt Lake City, Utah as determined by two independent appraisers. The payment is detailed in Table 1a.
Future tax payment
In 2011, Rio Tinto will be responsible for a tax payment, the amount of which is not yet determined, on behalf of Dick Evans, a former executive director who retired on 31 December 2009. These payments are in accordance with Rio Tinto’s contractual obligations relating to his service for Rio Tinto and will be disclosed when known and paid.
Other remuneration and statutory disclosures
Executives’ service contracts
The executives have service contracts that can be terminated by either party with 12 months’ notice in writing, or immediately by paying the base salary only in lieu of any unexpired notice. Debra Valentine’s service contract can be terminated by either party with six months’ notice in writing. For Jacynthe Côté, the 12 months’ notice includes salary and target bonus opportunity, in line with typical market practice in Canada and her legacy Alcan Inc. contract.
If termination is a result of a redundancy, the terms of the relevant policy would apply in the same way as for other local employees. In the case of involuntary termination, Jacynthe Côté would receive 24 months’ salary and target bonus opportunity inclusive of notice in line with entitlements under her legacy Alcan Inc. contract.
In the case of dismissal for cause, the Company can terminate employment without notice and without payment of any salary or compensation in lieu of notice. Bonus and outstanding awards under the LTIP are forfeited in these circumstances.


      


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STIP and LTIP rules cover any entitlements that participants may have upon termination. If termination is due to any reason besides cause or resignation, participants are eligible to receive a pro rata STIP based on the portion of the performance period worked. Any outstanding deferred shares normally vest in full upon termination. Outstanding Performance Options or Performance Shares will vest at the normal vesting date subject to performance against the performance conditions, with any awards held for less than 12 months at the date of termination reduced pro rata. MSP awards generally vest pro rata upon termination.
Contractual entitlements to severance are not triggered by a change of control. All of the Company’s share plans contain provisions relating to a change of control. Outstanding deferred shares would normally vest in full and outstanding Performance Shares and Performance Options would normally vest and become exercisable on a change of control on a pro rata basis, subject to the satisfaction of any performance conditions at that time.

             
        Date of appointment    
Name   Position(s) held during 2010   to current position   Notice period
 
Executive directors
 
Tom Albanese
  Chief executive   1 May 2007   12 months
 
Guy Elliott
  Chief financial officer   19 June 2002   12 months
 
Sam Walsh
  CEO Iron Ore and Australia   5 June 2009   12 months
 
Other members of executive committee
 
Hugo Bague
  Group executive, People & Organisation   1 August 2007   12 months
 
Preston Chiaro
  Group executive, Technology & Innovation   1 November 2009   12 months
 
Bret Clayton
  Group executive, Business Support & Operations   1 November 2009   12 months
 
Jacynthe Côté
  CEO Rio Tinto Alcan   1 February 2009   12 months
 
Andrew Harding
  CEO Copper   1 November 2009   12 months
 
Harry Kenyon-Slaney
  CEO Diamonds & Minerals   1 November 2009   12 months
 
Doug Ritchie
  CEO Energy   1 November 2009   12 months
 
Debra Valentine
  Group executive, Legal & External Affairs   15 January 2008   6 months
 
Shareholding policy for executives
The Company recognises the importance of aligning executives’ interests with those of shareholders and they are therefore expected to build up a shareholding. The Committee determined that executive directors should aim to reach a holding equivalent in value to two times their base salary over three years, with PGCEOs and Group executives aiming to achieve this holding over five years.
Share dealing policy
Key management personnel and employee insiders are bound by the “Rules for dealing in Rio Tinto securities” which comply with the requirements of the ASX Listing Rules and are consistent with the UK Listing Authority’s Model Code. These rules are available on the Rio Tinto website. The rules apply fixed closed periods before results announcements as well as other periods during which key management personnel are prohibited from trading Rio Tinto securities. Directors and executives are required to certify that they do not hold any inside information when seeking clearance to deal in Rio Tinto securities.
Executives participate in long term incentive plans which involve the award of Rio Tinto securities at a future date and are dependent upon the satisfaction of performance conditions. Therefore, the rules contain a provision prohibiting an executive from limiting his or her exposure to risk in relation to the securities. The award of shares and options under the incentive plans is conditional upon compliance with the rules. All employees subject to the rules receive regular training and information.
Executives’ external and other appointments
Executives may be invited to become non executive directors of other companies. It is Rio Tinto’s policy that such appointments can broaden their experience and knowledge, to the benefit of the Group. This policy limits each executive’s external directorships to one FTSE 100 company or equivalent. Consequently, where there is no likelihood that such a directorship will give rise to a conflict of interest, the boards will normally give their consent to the appointment. The executive is permitted to retain the fees earned.
In 2010, the following executives received fees from external appointments: Guy Elliott received US$100,537 (2009: US$124,000) and Sam Walsh A$120,690 (2009: A$120,000).
Details of all board members’ and executives’ external appointments can be found on pages 102 to 105.
Company secretary remuneration
The executive remuneration policy applies to the company secretary of each of Rio Tinto plc and Rio Tinto Limited. They participate in the same performance-based remuneration arrangements as the executives. The individual performance measures for the company secretaries’ STIP comprise Group and individual objectives. Their personal measures reflect the key responsibilities of the company secretarial role and include ensuring compliance with regulatory requirements, oversight of good corporate governance practice and the provision of corporate secretarial services.


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Chairman and non executive
directors’ remuneration
Remuneration policy
Chairman
The Remuneration committee determines the terms of service, including remuneration, of the chairman. The chairman receives a fixed annual fee and does not receive any additional fee or allowance for either committee membership or for overseas travel. He is provided with a car and driver for business purposes, private medical insurance and he participates in the Rio Tinto Medical Expenses Plan which Group employees are eligible to join. He is also covered under the Group’s accident policy. These are disclosed as benefits in Table 1b on page 146. He does not participate in the Group’s incentive plans or pension arrangements.
It is Rio Tinto’s policy that the chairman should be remunerated on a competitive basis and at a level which reflects his contribution to the Group, as assessed by the board. The chairman is not present at any discussion regarding his own remuneration.
Non executive directors
Fees paid to non executive directors reflect their respective duties and responsibilities and the time required to be spent by them so as to make a meaningful and effective contribution to the affairs of Rio Tinto. Non executive directors receive a fixed annual fee comprising a base fee, committee membership or committee chairmanship fees, as applicable, and allowances for attending meetings which involve medium or long distance air travel. Rio Tinto does not pay retirement benefits to non executive directors, nor do any of them participate in any of the Group’s incentive plans.
The fees payable to non executive directors are subject to review by the chairman’s committee. During 2010, the review took into account market and related developments. In light of Rio Tinto’s size, the complexity of its Dual Listed Companies’ structure and the resulting demands on directors as well as market developments, the base fee for non executive directors was increased to £80,000 from 1 January 2011. Committee fees were also increased, as indicated in the table below, with effect from 1 January 2011. Fees were last increased in November 2007. Allowances for overseas meetings involving long and medium distance flights were increased for the first time since 2005 effective 1 January 2010 to take into account market developments.

Remuneration components
The table below sets out the annual fees payable to the chairman and the non executive directors in £/A$, as appropriate.
                         
    2011     2010  (a)   2009  
 
Director fees
                       
 
Chairman’s fee
    £700,000       £700,000       £700,000  
Non executive director base fee
    £80,000       £70,000     £ 70,000/A$160,000  
Senior independent director
    £35,000       £35,000       £35,000  
 
Committee fees
                       
 
Audit committee chairman
    £35,000       £30,000       £30,000  
Audit committee member
    £15,000       £15,000       £15,000/A$37,500  
Remuneration committee chairman
    £30,000       £20,000       £20,000  
Remuneration committee member
    £10,000       £10,000       £10,000/A$25,000  
Nominations committee member
    £7,500       £7,500       £7,500  
Committee on social and environmental accountability chairman
    £25,000       £20,000       £20,000  
Committee on social and environmental accountability member
    £10,000       £7,500       £7,500/A$18,750  
 
Overseas meeting allowances
                       
 
Long distance (flights over 10 hours per journey)
    £7,500       £7,500       £4,000/A$10,000  
Medium distance (flights of 5-10 hours per journey)
    £3,500       £3,500       £2,000/A$5,000  
 
(a)   From 1 January 2010, fees were set in £ only.
      


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Remuneration paid during 2010
Details of each element of remuneration paid to the chairman and non executive directors during 2010 is set out in Table 1b. No post employment, long term or termination payments were paid and no share based payments were made. The total payments made to the chairman and non executive directors in 2010 are within the maximum aggregate annual amount of £3 million set out in the Group’s constitutional documents approved by shareholders at the 2009 annual general meetings.
Shareholding policy
In 2006, the board recommended that non executive directors be encouraged to build up a shareholding within three years of their appointment equal in value to one year’s base fee. To help facilitate this, a non executive directors’ share purchase plan has been established under which non executive directors may elect to invest a proportion of their fees net of tax on a regular basis to acquire shares on the open market. Details of non executive directors’ share interests in the Group are set out in Table 3 on page 147.
Letters of appointment
Non executive directors have formal letters of appointment setting out their duties and responsibilities. These letters are available for inspection at Rio Tinto plc’s registered office, and at the annual general meeting. Each non executive director is appointed by the board subject to their election and periodic re-election by shareholders as detailed on page 116. Non executive directors’ appointments may be terminated by giving three months notice. There are no provisions for compensation payable on termination of their appointment.
The chairman’s letter of appointment stipulates his duties as chairman of the Group. His appointment may be terminated without liability on the part of Rio Tinto in accordance with the Group’s constitutional documents dealing with retirement, disqualification from office or other vacation from office. Otherwise his appointment may be terminated by giving 12 months notice.
Audited information
Under Schedule 8 of the Large and Medium sized Companies and Groups (Accounts and Reports) Regulations 2008, the information included in respect of the non executive directors and the directors’ short term employee benefits and termination benefits in Tables 1a and 1b, and the information included in respect of the directors accrued benefits, transfer values and defined contribution pension in Table 2, Tables 4a and 4b and Table 5 are all auditable.
The information provided in this Remuneration report has been audited as required by section 308(c) of the Corporations Act 2001.
The Australian Securities and Investments Commission issued an order dated 22 December 2010 under which the information included in the Remuneration report to comply with paragraph 25 of Australian Accounting Standard AASB 124 “Related Party Disclosures” (relating to “key management personnel” compensation) is also auditable. This information comprises Tables 1 (executive and non executive directors set out in Table 1a and 1b respectively), 3, 4 and 5 and the disclosures provided under the headings Executive remuneration and Chairman and non executive director remuneration.
Annual general meetings
Shareholders will be asked to vote on this Remuneration report at the Companies’ 2011 annual general meetings.
By order of the board
-s- Ben Mathews
Ben Mathews
Secretary
Remuneration committee
4 March 2011


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Remuneration report continued
 
Remuneration tables
Remuneration received in 2010
The table below provides a summary of the executives’ actual remuneration in 2009 and 2010 stated in the relevant currency. This is in addition to statutory disclosure requirements. The purpose of this table is to enable shareholders to better understand the actual remuneration received by executives and to provide an overview of the actual outcomes of the Group’s remuneration arrangements. The remuneration details set out in Tables 1a and 1b on pages 144 and 146, include theoretical accounting values relating to various parts of the remuneration packages, most notably LTIP arrangements.
Actual remuneration received in 2010
                                                                 
                  Other payments           Total short     Value of LTIP     Remuneration     % change from  
Stated in ‘000   Year     Base salary paid     and benefits (a)   STIP payment (b)   term pay     awards granted (c)   received     2009 to 2010  
 
Executive directors
                                                               
 
Tom Albanese
    2010     £907     £1,313     £1,594     £3,814     £1,723     £5,537       31.4%  
 
    2009     £907     £995     £589     £2,491     £1,723     £4,214        
 
Guy Elliott
    2010     £675     £504     £1,264     £2,443     £1,283     £3,726       29.4%  
 
    2009     £675     £370     £552     £1,597     £1,283     £2,880        
 
Sam Walsh
    2010       A$1,475       A$477       A$2,832       A$4,784       A$2,803       A$7,587       24.4%  
 
    2009       A$1,475       A$511       A$1,308       A$3,294       A$2,803       A$6,097        
 
Other key management personnel
                                             
 
Hugo Bague
    2010     £360     £220     £505     £1,085     £684     £1,769       0.2%  
 
    2009     £360     £437     £284     £1,081     £684     £1,765        
 
Preston Chiaro (d)
    2010     US$725     US$1,098     US$1,126     US$2,949     US$1,378     US$4,327       31.7%  
 
    2009     US$725     US$792     US$390     US$1,907     US$1,378     US$3,285        
 
Bret Clayton (d)
    2010     US$700     US$1,270     US$952     US$2,922     US$1,092     US$4,014       38.4%  
 
    2009     US$700     US$574     US$534     US$1,808     US$1,092     US$2,900        
 
Jacynthe Côté (e)
    2010     US$825           US$1,271     US$2,096     US$1,287     US$3,383       21.4%  
 
    2009     US$813           US$686     US$1,499     US$1,287     US$2,786        
 
    2010             C$2,094             C$2,094             C$2,094       -4.8%  
 
    2009             C$2,200             C$2,200             C$2,200        
 
Andrew Harding (f)
    2010     £180     £255     £281     £716           £716     NA  
 
    2010             A$143             A$143             A$143      
 
    2010     US$325     US$113     US$499     US$937     US$618     US$1,555     NA  
 
    2009     US$421     US$556     US$402     US$1,379     US$386     US$1,765      
 
Harry Kenyon-Slaney (g)
    2010     £360     £173     £596     £1,129     £684     £1,813       122.7%  
 
    2009     £267     £258     £114     £639     £175     £814        
 
Doug Ritchie (h)
    2010       A$850       A$360       A$1,208       A$2,418       A$1,615       A$4,033       46.4%  
 
    2009       A$734       A$873       A$540       A$2,147       A$607       A$2,754        
 
Debra Valentine (d)
    2010     US$570     US$1,100     US$866     US$2,536     US$1,083     US$3,619       27.7%  
 
    2009     US$570     US$713     US$468     US$1,751     US$1,083     US$2,834        
 
(a)   Includes superannuation, pension, health care, expatriate payments, car allowances or cars, and other contractual payments.
 
(b)   The increase in STIP payments is attributable to improved performance and the change in STIP structure compared to 2009.
 
(c)   The LTIP value is the current expected value of the LTIP awards granted. The expected value of the awards was recalibrated in 2010 to reflect updated assumptions used in the valuation model.
 
(d)   Tax equalisation costs are significantly higher in 2010 based on higher earnings on STIP and equity income.
 
(e)   The 2009 values are based on pay received in US$ for time as both CEO Rio Tinto Alcan – Primary Metal and PGCEO Rio Tinto Alcan. ‘Other payment and benefits’ includes a one time special bonus.
 
(f)   The 2009 values are based on pay received in US$ for time as both CEO KUCC and PGCEO Copper. In 2010 Andrew Harding relocated to the UK. The payment in A$ is for the payment of his long service leave balance in Australia.
 
(g)   The 2009 values are based on pay received for time as both CEO RTI&T and PGCEO Diamonds and Minerals.
 
(h)   The 2009 values are based on pay received for time as both Managing Director Strategy within Rio Tinto Australia and PGCEO Energy.


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2011 performance payment potential
Executives are eligible for bonuses and grants in respect of 2011 if they meet service and performance criteria. Provided below is the minimum and maximum performance payment potential for each current executive based on the remuneration framework.
                                                                                                 
                                    Election 1     Election 2  
                                     Performance options       Performance shares      Performance options     Performance shares  
    Annual bonus     Annual bonus     (SOP)     (PSP)     (SOP)     (PSP)  
     
    Potential range of cash bonus     Potential range of bonus                          
    payments in March 2012     deferral in March 2012     (% of March     (% of March     (% of March     (% of March  
    in respect of 2011     in respect of 2011     2011 salary)     2011 salary)     2011 salary)     2011 salary)  
 
Executive   Min     Max     Min     Max     Min     Max (b)   Min     Max (b)   Min     Max (c)   Min     Max (c)
 
Tom Albanese
    0     £1,030,000       0     £1,030,000       0       0       0       450       0       300       0       200  
 
Guy Elliott
    0     £720,000       0     £720,000       0       0       0       450       0       300       0       200  
 
Sam Walsh
    0       A$1,590,000       0       A$1,590,000       0       0       0       450       0       300       0       200  
 
Hugo Bague
    0     £415,000       0     £415,000       0       0       0       450       0       300       0       200  
 
Preston Chiaro
    0     US$770,000       0     US$770,000       0       0       0       450       0       300       0       200  
 
Bret Clayton
    0     US$745,000       0     US$745,000       0       0       0       450       0       300       0       200  
 
Jacynthe Côté(a)
    0     US$885,000       0     US$885,000       0       0       0       450       0       300       0       200  
 
Andrew Harding
    0     £420,000       0     £420,000       0       0       0       450       0       300       0       200  
 
Harry Kenyon-Slaney
    0     £420,000       0     £420,000       0       0       0       450       0       300       0       200  
 
Doug Ritchie
    0       A$930,000       0       A$930,000       0       0       0       450       0       300       0       200  
 
Debra Valentine
    0     US$630,000       0     US$630,000       0       0       0       450       0       300       0       200  
 
(a)   In addition, Jacynthe Côté’s remaining MSP award vested on 1 February 2011. See page 135.
 
(b)   Maximum reflects potential under the plan to vest one and a half times the original award for outstanding performance if the participant elects their full long-term incentive opportunity in Performance Shares. This assumes the amendments to the PSP are approved by shareholders at the 2011 annual general meetings.
 
(c)   Maximum reflects the potential under the plans to vest if the participants elect for a mix of Performance Options and Performance Shares.
()


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Remuneration report continued
 
Table 1a – Executives’ remuneration
                                                                                         
                                                            Long term benefits        
            Short term benefits                   Value of share based awards (f)        
                            Other     Non     Total                                  
                            cash based     monetary     short term     Other long                            
Stated in US$’000 (a)           Base salary     Cash bonus (b)   benefits (c)   benefits (d)   benefits (e)   term benefits     BDP (g)   CCA (h)   PSP          
 
Executive director
                                                                             
 
Tom Albanese
    2010       1,403       1,248       3       318       2,972             487             1,522          
 
    2009       1,421       947       8       323       2,699             186             3,915          
 
Guy Elliott
    2010       1,044       989       23       244       2,300             359             1,061          
 
    2009       1,057       888       24       168       2,137             122             2,862          
 
Dick Evans
    2009       1,500       5,491             422       7,413             505             4,013          
 
Sam Walsh
    2010       1,354       1,391       83       9       2,837             552             1,220          
 
    2009       1,167       1,170       71       20       2,428             184             2,697          
 
Other key management personnel
                                                           
 
Hugo Bague
    2010       557       396       103       196       1,252             130       62       354          
 
    2009       564       752       139       210       1,665             36       59       344          
 
Preston Chiaro
    2010       725       563             888       2,176             262             708          
 
    2009       725       390       83       492       1,690             125             2,265          
 
Bret Clayton
    2010       700       476             1,106       2,282             147             705          
 
    2009       700       534             444       1,678             34             1,486          
 
Jacynthe Côté
    2010       907       2,214             40       3,161             213       102       643          
 
    2009       813       2,226             27       3,066             60       97       556          
 
Andrew Harding
    2010       603       469       168       413       1,653             141       59       408          
 
    2009       421       596             298       1,315             26       47       415          
 
Keith Johnson
    2009       383       287       78       19       767                         2,340          
 
Harry Kenyon-Slaney
    2010       557       466       112       25       1,160             148       43       336          
 
    2009       418       362       77       61       918             37       41       455          
 
Doug Ritchie
    2010       780       593       32       92       1,497             178       71       522          
 
    2009       581       986       23       2       1,592             31       57       756          
 
Grant Thorne
    2009       728       593       4       1       1,326             60       74       1,232          
 
Debra Valentine
    2010       570       433             906       1,909             153       70       286          
 
    2009       570       468             543       1,581             50       67       203          
 
Notes to Table 1a
 
(a)   The total remuneration is reported in US dollars. The amounts have been converted using the relevant 2010 average exchange rates of £1= US$1.5459, A$1= US$0.9178, 1= US$1.3262 and C$1= US$0.9704. The annual cash bonus payable under the STIP has been converted using the relevant 2010 year end exchange rates of £1= US$1.5660, A$1= US$0.9825 and C$1= US$0.9886.
 
(b)   ‘Cash bonus’ relates to the cash portion of the STIP. For Jacynthe Côté, it also includes a special one-off bonus as described in the Remuneration report on page 138.
 
(c)   ‘Other cash based benefits’ include cash in lieu of a car and fuel. For Hugo Bague, Harry Kenyon-Slaney and Andrew Harding, it includes a cash supplement equal to 20 per cent of the amount by which their ‘Contributory Salary’ exceeds the ‘Earning Cap’ as defined in the Rio Tinto Pension Fund. For Andrew Harding, it also includes a Long Service Leave payment for his service in Australia.
 
(d)   ‘Non monetary benefits’ for executives include healthcare. The provision of a car, professional advice, and secondment costs comprising housing, tax equalisation and relocation payments made to and on behalf of executives living outside their home country. Preston Chiaro, Bret Clayton and Debra Valentine’s 2010 tax equalisation costs are higher than their 2009 figures. This is a result of higher earnings on their STIP and share based income in 2010. For Andrew Harding, as described in the Remuneration report on page 138, it also includes a one time payment, net of taxes, to compensate him for the loss on sale he incurred when selling his residence in Salt Lake City, Utah in the amount of US$109,425. For Doug Ritchie, it includes tax equalisation costs in respect of his expatriate arrangements in 2006. For Tom Albanese and Guy Elliott, it includes the value of Company provided transport. Rio Tinto provides accident cover for employee members of the Rio Tinto Pension Fund. The accident cover for executive members of the Rio Tinto Pension Fund in 2010 was US$7,537.
 
(e)   ‘Total short term benefits’ represent the short term benefits total required under regulations made under the UK Companies Act 2006 and total remuneration under the Australian Corporations Act 2001 and applicable accounting standards.
 
(f)   The value of share based awards has been determined in accordance with the recognition and measurement requirements of IFRS2 “Share-based Payment”. The fair value of awards granted under the SOP, the MSP, the BDP and the SSP have been calculated at their dates of grant using an independent lattice-based option valuation model provided by external consultants, Lane Clark and Peacock LLP. Some of these awards will be settled in cash, rather than the transfer of shares, and so the fair value of these cash settled awards has been calculated based on Rio Tinto’s share price at 31 December 2010. With effect from 2010, the Group’s policy for settling awards granted under the Performance Share Plan (the PSP) changed. For settlement of all future awards under this plan, participants will be assigned shares and offered a third party facility to realise these shares for cash and/or to meet any tax liabilities. Accordingly, the fair values of the awards granted prior to this change were re-measured at 1 July 2010 and from that date treated as equity-settled awards. This re-measurement was calculated using a Monte Carlo valuation model based on the market price of shares and their relative TSR performance at 30 June 2010. The fair value of awards granted after July 2010 is measured at date of grant. Further details of the valuation methods and assumptions used for these awards are included in note 49 (Share Based Payments) in the 2010 Full financial statements. The fair value of other share based awards is measured at the purchase cost of the shares from the market. The non executive directors do not participate in the long term incentive share schemes.
 
(g)   ‘BDP (Bonus Deferral Plan)’ represents the accounting value in note f above of the deferral of the 2008 and 2010 bonus under STIP into Rio Tinto Shares. The shares granted under the BDP are shown in Table 4a. The number of shares awarded in 2010 have not been approved and granted and are therefore not shown in Table 4b.


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Table 1a – Executives’ remuneration continued
                                                                                 
                    Long term benefits                            
                    Value of share based awards (f)   Post employment benefits (l)                      
                                                    Other post                     Currency  
                                            Pension and     employment     Termination     Total     of actual  
        Stated in US$’000 (a)           MSP (i)   SOP (j)   Others (k)   superannuation     benefits     benefits     remuneration     payment (m)
 
       
Executive director
                                                                       
 
       
Tom Albanese
    2010             1,667       7       1,708                   8,363       £  
       
 
    2009             1,179       4       1,230                   9,213       £  
 
       
Guy Elliott
    2010             1,059       7       512                   5,298       £  
       
 
    2009             691       5       389                   6,206       £  
 
       
Dick Evans
    2009             1,838             342                   14,111     US$/C$  
 
       
Sam Walsh
    2010             1,136       3       346                   6,094       A$  
       
 
    2009             636             313                   6,258       A$  
 
       
Other key management personnel
                                             
 
       
Hugo Bague
    2010       209       338       5       41                   2,391       £  
       
 
    2009       341       72       2       41                   2,560       £  
 
       
Preston Chiaro
    2010             767       1       210                   4,124     US$  
       
 
    2009             550       1       218                   4,849     US$  
 
       
Bret Clayton
    2010             739             163       1             4,037     US$  
       
 
    2009             494       1       129       1             3,823     US$  
 
       
Jacynthe Côté
    2010       952       483             409       4             5,967     US$/C$  
       
 
    2009       1,106       75             364       3             5,327     US$/C$  
 
       
Andrew Harding
    2010       178       330       2       58                   2,829     £/US$/A$  
       
 
    2009       144       36       3       64                   2,050     US$  
 
       
Keith Johnson
    2009             689       2       158             1,357       5,313       £  
 
       
Harry Kenyon-Slaney
    2010       96       290       9       131                   2,213       £  
       
 
    2009       114       44       1       88                   1,698       £  
 
       
Doug Ritchie
    2010       424       354       1       207                   3,254       A$  
       
 
    2009       247       69       3       164                   2,919       A$  
 
       
Grant Thorne
    2009       280       101       3       188                   3,264       A$  
 
       
Debra Valentine
    2010       515       307       1       187       7             3,435     US$  
       
 
    2009       427       29       1       163       8             2,529     US$  
 
(h)   ‘CCA (Company Contributed Awards)’ represents the shares provided to employees below the executive directors and PGCEO level under the 2008 BDP to provide and enhance retention.
 
(i)   Jacynthe Côté’s 2009 MSP award was granted with special terms. Subject to satisfying certain non-marker performance conditions, 50 per cent of her award vested on 1 February 2010 and the remaining 50 per cent vested on 1 February 2011. Allowance for these special terms has been made in the 2010 figure and the 2009 figure has been recalculated (previously stated in 2009: US$990,000)
 
(j)   Hugo Bague’s 2009 SOP award was previously omitted from the 2009 Annual report and has now been included in the restated 2009 figures.
 
(k)   ‘Others’ include the Share Savings Plan and Share Ownership Plan as described in the Remuneration report on page 137.
 
(l)   The costs shown for defined benefit pension plans and post retirement medical benefits are the service costs attributable to the individual, calculated in accordance with IAS19. The cost for defined contribution plans is the amount contributed in the year by the Company. For Andrew Harding, the 2009 cost has been restated to remove US$2,374 which were his own contributions. For Tom Albanese, the 2009 cost has been restated as an incorrect methodology was used in 2008 and 2009 to value future salary increases to retirement. The restated figure for 2008 is US$1,702,000. The figure previously disclosed in 2009 was US$1,056,00 and in 2008 was US$1,443,000.
 
(m)   Jacynthe Côté’s remuneration is stated in US dollars. To convert the base salary and service based retention to Canadian dollars, a fixed exchange rate of US$1= C$1.13740 was used during the year. All other short term benefits received are paid in Canadian dollars.
()


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Remuneration report continued
 

Table 1b – Non executive directors’ remuneration
                                                 
          Short term benefits              
                    Other cash     Non monetary             Currency of  
Stated in US$’000(a)           Fees     based benefits (b)    benefits (c)    Total remuneration (d)    actual payment  
 
Chairman
           
Jan du Plessis
    2010       1,082             243       1,325        £  
 
    2009       808             37       845        £  
 
Non executive directors
           
Robert Brown
    2010       98       44             142        £  
           
Sir David Clementi
    2010       74             5       79        £  
 
    2009       172       9             181        £  
           
Vivienne Cox
    2010       144       12             156        £  
 
    2009       133       9             142        £  
           
Sir Rod Eddington
    2010       120       33             153       A$  
 
    2009       143       29             172       A$  
           
Michael Fitzpatrick
    2010       145       22             167       A$  
 
    2009       162       29             191       A$  
           
Yves Fortier
    2010       131       41             172        £  
 
    2009       133       22             155        £  
           
Ann Godbehere
    2010       144       23             167        £  
           
Richard Goodmanson
    2010       166       66             232        £  
 
    2009       157       13       6       176        £  
           
Andrew Gould
    2010       197                   197        £  
 
    2009       200                   200        £  
           
Lord Kerr
    2010       178       23             201        £  
 
    2009       168       9             177        £  
           
Jim Leng
    2009       37             13       50        £  
           
David Mayhew
    2010       58             6       64        £  
 
    2009       197                   197        £  
           
Paul Skinner
    2009       584       14       82       680        £  
           
Paul Tellier
    2010       158       59             217        £  
 
    2009       149       22             171        £  
 
 
Notes to Table 1b
 
(a)   The total remuneration is reported in US dollars. The amounts have been converted using the relevant 2010 average exchange rates of £1= US$1.5459 and A$1= US$0.9178.
 
(b)   ‘Other cash based benefits’ for non executive directors comprise overseas meeting allowances.
 
(c)   ‘Non monetary benefits’ include for Jan du Plessis the value of Company provided transport and medical insurance premiums. Company provided transport was made available to Jan du Plessis with effect from his appointment as chairman on 20 April 2009. The cost of this facility was shared with his former principal employer until his retirement from that role on 31 October 2009. For Sir David Clementi and David Mayhew, it includes the value of a retirement gift. Rio Tinto plc provides accident cover for non executive directors; the total premium paid in 2010 was US$5,092.
 
(d)   Represents disclosure of total emoluments and compensation required by regulations made under the UK Companies Act 2006 and total remuneration under Australian Corporations Act 2001 and applicable accounting standards.
Table 2 – Directors’ pension entitlements (as at 31 December 2010)
Defined benefit pensions
                                                                                 
                  Accrued benefits   Transfer values      
                                                                            Transfer value  
                                                                            of change  
                    At     At     Change in accrued     Change in                     Change, net     in accrued  
            Years of     31 Dec 2009     31 Dec 2010     benefits during the     accrued benefit     At     At     of personal     benefit net of  
            service     £’000 pa     £’000 pa     year ended 31 Dec 2010     net of inflation (a)    31 Dec 2009     31 Dec 2010 (e)    contributions     inflation (a) 
    Age     completed     pension     pension     £’000 pa pension     £’000 pa pension     £’000     £’000     £’000     £’000  
 
UK directors
                   
Tom Albanese (b) (c) (d)
    53       29       336       395       59       47       4,060       5,561       1,501       862  
                   
Guy Elliott (c)
    55       30       456       471       15       (6 )     7,706       9,054       1,348       (119 )
                   
 
                                                                               
 
                    A$’000       A$’000       A$’000       A$’000                                  
 
                  lump sum     lump sum     lump sum     lump sum       A$’000       A$’000       A$’000       A$’000  
 
Australian director
                   
Sam Walsh
    61       19       5,203       5,493       290       144       5,203       5,493       209       144  
 
 
Notes to Table 2
 
(a)   Price inflation is calculated as the increase in the relevant retail or consumer price index over the year to 31 December 2010, except for Australia where a September to September change is used.
 
(b)   Tom Albanese accrued pension benefits in the US plans for service up to 30 June 2006 and is accruing benefits in the UK plans for subsequent service.
 
(c)   The transfer value of benefits in the UK plans is calculated in a manner consistent with “Retirement Benefit Schemes -Transfer Values (GN11)” published by the Institute of Actuaries and the Faculty of Actuaries.
 
(d)   The transfer value of benefits in the US plans is represented by the Accumulated Benefit Obligation calculated on the accounting assumptions used for the Group’s post-retirement benefits disclosures.
 
(e)   The assumptions used to calculate cash equivalent transfer values for the UK directors changed with effect from 1 May 2010. The factors were updated following completion of the formal Trustee funding valuation of the Rio Tinto Pension Fund to reflect the Trustee’s revised assumptions for calculating cash equivalent transfer values. This has resulted in a significant increase in the transfer value of Tom Albanese’s and Guy Elliott’s benefits over 2010.

 


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Table 2 – Directors’ pension entitlements (as at 31 December 2010) continued
Defined contribution pensions
                                 
                  Company contributions
                    Year to     Year to  
            Years of service     31 Dec 2009     31 Dec 2010  
    Age     completed     A$’000     A$’000  
 
Australian director
       
Sam Walsh
    61       19       59       59  
 
Table 3 – Directors’ and executives’ beneficial interests in Rio Tinto shares
Provided below are the beneficial interests in Rio Tinto shares of directors and executives, including connected persons.
                                                                         
    Rio Tinto plc     Rio Tinto Limited     Movements  
    1 Jan     31 Dec     21 Feb     1 Jan     31 Dec     21 Feb     Exercise of              
    2010  (a)    2010  (b)    2011  (b)    2010  (a)    2010  (b)    2011  (b)    options  (c)    Compensation  (d)    Other  (e) 
 
Directors
     
Tom Albanese
    129,438       227,955       237,094                         276,059       41,102       (209,505 )
Robert Brown
          2,200       2,200                                     2,200  
Sir David Clementi
    1,024       1,173       1,173                                     149  
Vivienne Cox
    2,912       2,912       2,912                                      
Jan du Plessis
    30,000       30,000       30,000                                      
Sir Rod Eddington
                                                     
Guy Elliott
    95,099       96,435       96,447                         33,000       19,676       (51,328 )
Michael Fitzpatrick
                      6,252       6,252       6,252                    
Yves Fortier
    2,697       3,954       3,954                                     1,257  
Ann Godbehere
                                                     
Richard Goodmanson
    4,990       7,028       7,028                                     2,038  
Andrew Gould
    1,642       2,642       2,642                                     1,000  
Lord Kerr
    12,000       12,000       12,000                                      
David Mayhew
    3,812       3,812       3,812                                      
Paul Tellier
    10,396       12,093       12,093                                     1,697  
Sam Walsh
                      66,950       46,950       46,950       113,223       27,192       (160,415 )
 
Executives
     
Hugo Bague
    16,296       18,822       21,665                               11,132       (5,763 )
Preston Chiaro
    79,776       91,012       99,070                         207,576       22,416       (210,698 )
Bret Clayton
    18,927       22,579       27,079                         30,281       17,384       (39,513 )
Jacynthe Côté
          7,045       10,840                               18,708       (7,868 )
Andrew Harding
                      5,184       11,293       11,293       21,786       8,392       (24,069 )
Harry Kenyon-Slaney(f)
    18,501       18,710       18,722                               16,815       (16,594 )
Doug Ritchie
                      6,825       19,469       27,891       455       20,832       (221 )
Debra Valentine
          4,624       4,991                         367       6,369       (1,745 )
 
 
Notes to Table 3
 
(a)   Or date of appointment, if later.
 
(b)   Or date of retirement or resignation or at date no longer a KMP, if earlier.
 
(c)   Shares obtained through the exercise of options under the Rio Tinto Share Savings Plan or the Rio Tinto Share Option Plan. The number of shares retained may differ from the number of options exercised.
 
(d)   Shares obtained through the Rio Tinto Share Ownership Plan and/or vesting of awards under the Performance Share Plan, Management Share Plan and Bonus Deferral Plan.
 
(e)   Share movements due to sale or purchase of shares, shares received under the Dividend Reinvestment Plan, shares purchased/sold through the Rio Tinto America Savings Plan or non executive directors share purchase plan.
 
(f)   The balance as at 31 December 2009 for Harry Kenyon-Slaney was understated in the 2009 Remuneration report by 2,683 shares.
 
(g)   Interests in outstanding awards under option schemes and LTIPs are set out in Tables 4 and 5.


()


ww w.riotinto.com   147


Table of Contents

 
Remuneration report continued
 

Table 4a – Executives with awards under long term incentive plans 2010
                                                                                                 
                                                                                            Monetary  
                                                                                            value of  
    Conditional                                                           Performance                   vested  
    award    Market price                     Lapsed/     Dividend             31 Dec     period   Date of     Market price     award  
    granted   at award     1 Jan 2010  (a)    Awarded     cancelled     shares     Vested     2010  (b)    concludes   election     at election     US$’000  (f) 
                       
Bonus Deferral Plan
                       
Tom Albanese
  17-Mar-09     £19.82       28,278                               28,278     01-Dec-11                  
                       
Hugo Bague
  17-Mar-09     £19.82       2,320                   31       2,351           01-Dec-10    15-Dec-10     £44.30       161  
 
  17-Mar-09     £19.82       2,721                   37       2,758           01-Dec-10   17-Dec-10     £44.18       188  
 
  17-Mar-09     £19.82       5,043                               5,043     01-Dec-11                  
                       
Preston Chiaro
  17-Mar-09     £19.82       19,082                               19,082     01-Dec-11                  
                       
Bret Clayton
  17-Mar-09     £19.82       5,229                               5,229     01-Dec-11                  
                       
Jacynthe Côté
  17-Mar-09     £19.82       8,342                   113       8,455           01-Dec-10   13-Dec-10     £44.79       585  
 
  17-Mar-09     £19.82       8,342                               8,342     01-Dec-11                  
                       
Guy Elliott
  17-Mar-09     £19.82       18,644                               18,644     01-Dec-11                  
                       
Andrew Harding
  17-Mar-09     A$52.01       2,598                   31       2629           01-Dec-10   20-Dec-10       A$85.45       206  
 
  17-Mar-09     A$52.01       2,599                               2,599     01-Dec-11                  
 
  09-Jul-09     A$47.60       546                   5       551           01-Dec-10   20-Dec-10       A$85.45       43  
 
  09-Jul-09     A$47.60       547                               547     01-Dec-11                  
                       
Harry Kenyon-Slaney
  17-Mar-09     £19.82       4,284                   57       4,341           01-Dec-10   14-Dec-10     £44.40       298  
 
  17-Mar-09     £19.82       4,284                               4,284     01-Dec-11                  
                       
Doug Ritchie
  17-Mar-09     A$52.01       3,168                   37       3,205           01-Dec-10   20-Dec-10       A$85.45       251  
 
  17-Mar-09     A$52.01       3,169                               3,169     01-Dec-11                  
 
  09-Jul-09     A$47.60       666                   7       673           01-Dec-10   20-Dec-10       A$85.45       53  
 
  09-Jul-09     A$47.60       667                               667     01-Dec-11                  
                       
Debra Valentine
  17-Mar-09     £19.82       3,183                   43       3,226           01-Dec-10   17-Dec-10     £44.18       220  
 
  17-Mar-09     £19.82       3,101                   42       3,143           01-Dec-11   30-Dec-10     £45.84       223  
 
  17-Mar-09     £19.82       6,286                               6,286     01-Dec-11                  
                       
Sam Walsh
  17-Mar-09     A$52.01       19,022                               19,022     01-Dec-11                  
 
  09-Jul-09     A$47.60       4,004                               4,004     01-Dec-11                  
 
Performance Share Plan
                       
Tom Albanese
  07-Mar-06     £26.30       54,480             32,906             21,574           31-Dec-09   09-Mar-10     £36.94       1,232  
 
  13-Mar-07     £26.81       53,412                               53,412     31-Dec-10                  
 
  10-Mar-08     £52.58       59,362                               59,362     31-Dec-11                  
 
  17-Mar-09     £19.82       48,019                               48,019     31-Dec-12                  
 
  22-Mar-10     £37.30             79,486                         79,486     31-Dec-13                  
                       
Hugo Bague
  09-Sep-07     £35.45       7,305                               7,305     31-Dec-10                  
 
  10-Mar-08     £52.58       14,128                               14,128     31-Dec-11                  
 
  22-Mar-10     £37.30             31,531                         31,531     31-Dec-13                  
                       
Preston Chiaro
  07-Mar-06     £26.30       41,377             24,992             16,385           31-Dec-09   24-Feb-10     £33.625       852  
 
  13-Mar-07     £26.81       31,084                               31,084     31-Dec-10                  
 
  10-Mar-08     £52.58       23,688                               23,688     31-Dec-11                  
 
  17-Mar-09     £19.82       20,904                               20,904     31-Dec-12                  
 
  22-Mar-10     £37.30             40,559                         40,559     31-Dec-13                  
                       
Bret Clayton
  07-Mar-06     £26.30       13,033             5,592             7,441           31-Dec-09   15-Feb-10     £32.75       377  
 
  13-Mar-07     £26.81       27,316                               27,316     31-Dec-10                  
 
  10-Mar-08     £52.58       22,871                               22,871     31-Dec-11                  
 
  17-Mar-09     £19.82       20,182                               20,182     31-Dec-12                  
 
  22-Mar-10     £37.30             39,160                         39,160     31-Dec-13                  
                       
Jacynthe Côté
  10-Mar-08     £52.58       22,299                               22,299     31-Dec-11                  
 
  17-Mar-09     £19.82       23,787                               23,787     31-Dec-12                  
 
  22-Mar-10     £37.30             46,153                         46,153     31-Dec-13                  
                       
Guy Elliott
  07-Mar-06     £26.30       49,231             29,736             19,495           31-Dec-09   01-Mar-10     £34.685       1,045  
 
  13-Mar-07     £26.81       37,328                               37,328     31-Dec-10                  
 
  10-Mar-08     £52.58       30,930                               30,930     31-Dec-11                  
 
  17-Mar-09     £19.82       35,743                               35,743     31-Dec-12                  
 
  22-Mar-10     £37.30             59,166                         59,166     31-Dec-13                  
                       
Andrew Harding
  07-Mar-06     A$69.60       5,253             2,254             2,999           31-Dec-09   22-Feb-10       A$72.51       200  
 
  09-Jul-09     A$47.60       1,105             475             630           31-Dec-09   22-Feb-10       A$72.51       42  
 
  13-Mar-07     A$74.50       3,777                               3,777     31-Dec-10                  
 
  09-Jul-09     A$47.60       795                               795     31-Dec-10                  
 
  10-Mar-08     A$126.48       6,485                               6,485     31-Dec-11                  
 
  09-Jul-09     A$47.60       1,365                               1,365     31-Dec-11                  
 
  22-Mar-10     A$75.03             31,064                         31,064     31-Dec-13                  
 
 


148   Rio Tinto 2010 Annual report


Table of Contents

 

 

Table 4a – Executives with awards under long term incentive plans 2010 continued
                                                                                                 
                                                                                            Monetary  
                                                                                            value of  
    Conditional                                                           Performance                   vested  
    award    Market price                     Lapsed/     Dividend             31 Dec     period   Date of     Market price     award  
    granted   at award     1 Jan 2010  (a)    Awarded     cancelled     shares     Vested     2010  (b)    concludes   election     at election     US$’000  (f) 
 
Performance Share Plan
                       
Harry Kenyon-Slaney
  07-Mar-06     £26.30       6,028             2,587             3,441           31-Dec-09   18-Feb-10       £34.41       183  
 
  13-Mar-07     £26.81       8,514                               8,514     31-Dec-10                  
 
  10-Mar-08     £52.58       7,210                               7,210     31-Dec-11                  
 
  22-Mar-10     £37.30             31,531                         31,531     31-Dec-13                  
                       
Doug Ritchie
  07-Mar-06     A$69.60       7,308             3,136             4,172           31-Dec-09   18-Mar-10       A$76.99       295  
 
  09-Jul-09     A$47.60       1,538             660             878           31-Dec-09   18-Mar-10       A$76.99       62  
 
  13-Mar-07     A$74.50       10,200                               10,200     31-Dec-10                  
 
  09-Jul-09     A$47.60       2,147                               2,147     31-Dec-10                  
 
  10-Mar-08     A$126.48       8,691                               8,691     31-Dec-11                  
 
  09-Jul-09     A$47.60       1,829                               1,829     31-Dec-11                  
 
  22-Mar-10     A$75.03             32,180                         32,180     31-Dec-13                  
                       
Debra Valentine
  10-Mar-08     £52.58       13,967                               13,967     31-Dec-11                  
 
  22-Mar-10     £37.30             31,887                         31,887     31-Dec-13                  
                       
Sam Walsh
  07-Mar-06     A$69.60       33,655             20,328             13,327           31-Dec-09   19-Feb-10       A$71.00       868  
 
  09-Jul-09     A$47.60       7,084             4,279             2,805           31-Dec-09   19-Feb-10       A$71.00       183  
 
  13-Mar-07     A$74.50       25,103                               25,103     31-Dec-10                  
 
  09-Jul-09     A$47.60       5,284                               5,284     31-Dec-10                  
 
  10-Mar-08     A$126.48       21,366                               21,366     31-Dec-11                  
 
  09-Jul-09     A$47.60       4,497                               4,497     31-Dec-11                  
 
  17-Mar-09     A$52.01       26,670                               26,670     31-Dec-12                  
 
  09-Jul-09     A$47.60       5,614                               5,614     31-Dec-12                  
 
  22-Mar-10     A$75.03             55,842                         55,842     31-Dec-13                  
                       
Management Share Plan
                       
Hugo Bague
  10-Mar-08     £52.58       1,826                               1,826     31-Dec-10                  
 
  17-Mar-09     £19.82       16,769                               16,769     31-Dec-11                  
                       
Jacynthe Côté
  10-Mar-08     £52.58       7,296                               7,296     31-Dec-10                  
 
  17-Mar-09     £19.82       5,462                         5,462           01-Feb-10   26-Feb-10     £33.64       284  
 
  17-Mar-09     £19.82       5,463                               5,463     01-Feb-11                  
                       
Andrew Harding
  13-Mar-07     A$74.50       1,250                   70       1,320           31-Dec-09   22-Feb-10       A$72.51       88  
 
  09-Jul-09     A$47.60       263                         263           31-Dec-09   22-Feb-10       A$72.51       18  
 
  10-Mar-08     A$126.48       837                               837     31-Dec-10                  
 
  09-Jul-09     A$47.60       176                               176     31-Dec-10                  
 
  17-Mar-09     A$52.01       8,490                               8,490     31-Dec-11                  
 
  09-Jul-09     A$47.60       1,787                               1,787     31-Dec-11                  
                       
Harry Kenyon-Slaney
  13-Mar-07     £26.81       3,026                   136       3,162           31-Dec-09   18-Feb-10       £34.41       168  
 
  10-Mar-08     £52.58       932                               932     31-Dec-10                  
 
  17-Mar-09     £19.82       7,403                               7,403     31-Dec-11                  
                       
Doug Ritchie
  13-Mar-07     A$74.50       2,750                   154       2,904           31-Dec-09   03-Mar-10       A$73.87       197  
 
  09-Jul-09     A$47.60       578                         578           31-Dec-09   03-Mar-10       A$73.87       39  
 
  10-Mar-08     A$126.48       1,252                               1,252     31-Dec-10                  
 
  09-Jul-09     A$47.60       263                               263     31-Dec-10                  
 
  17-Mar-09     A$52.01       8,572                               8,572     31-Dec-11                  
 
  09-Jul-09     A$47.60       1,804                               1,804     31-Dec-11                  
 
  14-Sep-09     A$58.05       9,879                               9,879     31-Dec-11                  
                       
Debra Valentine
  10-Mar-08     £52.58       1,820                               1,820     31-Dec-10                  
 
  10-Mar-08     £52.58       6,052                               6,052     15-Jan-11                  
 
  10-Mar-08     £52.58       6,053                               6,053     15-Jan-12                  
 
  17-Mar-09     £19.82       19,107                               19,107     31-Dec-11                  
 


()


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Remuneration report continued
 
Table 4b – Executives with awards under long term incentive plans 2011
                                                                                         
                                                                        Monetary  
                                                                        value of  
    Conditional                                                                 vested  
    award     Market price                   Lapsed/     Dividend             21 Feb     Date of     Market price     award  
    granted     at award     1 Jan 2011  (a)   Awarded     cancelled     shares     Vested     2011  (b)   election     at election     US$’000  (f)
 
Bonus Deferral Plan
                                                                                       
 
Tom Albanese
  17-Mar-09     £19.82       28,278                               28,278                    
 
Hugo Bague
  17-Mar-09     £19.82       5,043                               5,043                    
 
Preston Chiaro
  17-Mar-09     £19.82       19,082                               19,082                    
 
Bret Clayton
  17-Mar-09     £19.82       5,229                               5,229                    
 
Jacynthe Côté
  17-Mar-09     £19.82       8,342                               8,342                    
 
Guy Elliott
  17-Mar-09     £19.82       18,644                               18,644                    
 
Andrew Harding
  17-Mar-09     A$52.01       2,599                               2,599                    
 
  09-Jul-09     A$47.60       547                               547                    
 
Harry Kenyon-Slaney
  17-Mar-09     £19.82       4,284                               4,284                    
 
  17-Mar-09     £19.82       4,284                               4,284                    
 
Doug Ritchie
  17-Mar-09     A$52.01       3,169                               3,169                    
 
  09-Jul-09     A$47.60       667                               667                    
 
Debra Valentine
  17-Mar-09     £19.82       6,286                               6,286                    
 
Sam Walsh
  17-Mar-09     A$52.01       19,022                               19,022                    
 
  09-Jul-09     A$47.60       4,004                               4,004                    
 
Performance Share Plan
                                                                                   
 
Tom Albanese
  13-Mar-07     £26.81       53,412                               53,412                    
 
  10-Mar-08     £52.58       59,362                               59,362                    
 
  17-Mar-09     £19.82       48,019                               48,019                    
 
  22-Mar-10     £37.30       79,486                               79,486                    
 
Hugo Bague
  09-Sep-07     £35.45       7,305             3,244             4,061           15-Feb-11       £45.50       286  
 
  10-Mar-08     £52.58       14,128                               14,128                    
 
  22-Mar-10     £37.30       31,531                               31,531                    
 
Preston Chiaro
  13-Mar-07     £26.81       31,084             19,770             11,314           16-Feb-11       £45.20       791  
 
  10-Mar-08     £52.58       23,688                               23,688                    
 
  17-Mar-09     £19.82       20,904                               20,904                    
 
  22-Mar-10     £37.30       40,559                                 40,559                    
 
Bret Clayton
  13-Mar-07     £26.81       27,316             17,373             9,943           14-Feb-11       £46.82       719  
 
  10-Mar-08     £52.58       22,871                               22,871                    
 
  17-Mar-09     £19.82       20,182                               20,182                    
 
  22-Mar-10     £37.30       39,160                               39,160                    
 
Jacynthe Côté
  10-Mar-08     £52.58       22,299                               22,299                    
 
  17-Mar-09     £19.82       23,787                               23,787                    
 
  22-Mar-10     £37.30       46,153                               46,153                    
 
Guy Elliott
  13-Mar-07     £26.81       37,328                               37,328                    
 
  10-Mar-08     £52.58       30,930                               30,930                    
 
  17-Mar-09     £19.82       35,743                               35,743                    
 
  22-Mar-10     £37.30       59,166                               59,166                    
 
 




150   Rio Tinto 2010 Annual report


Table of Contents

 

 
Table 4b – Executives with awards under long term incentive plans 2011 continued
                                                                                         
                                                                Monetary  
                                                                value of  
    Conditional                                                         vested  
    award     Market price                 Lapsed/     Dividend             21 Feb     Date of     Market price     award  
    granted     at award     1 Jan 2011  (a)   Awarded     cancelled     shares     Vested     2011  (b)   election     at election     US$’000  (f)
 
Performance Share Plan
                                                                                       
 
Andrew Harding
  13-Mar-07     A$74.50       3,777                               3,777                  
 
  09-Jul-09     A$47.60       795                               795                  
 
  10-Mar-08     A$126.48       6,485                               6,485                  
 
  09-Jul-09     A$47.60       1,365                               1,365                  
 
  22-Mar-10     A$75.03       31,064                               31,064                  
 
Harry Kenyon-Slaney
  13-Mar-07     £26.81       8,514             3,781             4,733           17-Feb-11     £44.99       329  
 
  10-Mar-08     £52.58       7,210                               7,210                  
 
  22-Mar-10     £37.30       31,531                               31,531                  
 
Doug Ritchie
  13-Mar-07     A$74.50       10,200             4,529             5,671           18-Feb-11     A$87.61       456  
 
  09-Jul-09     A$47.60       2,147             954             1,193           18-Feb-11     A$87.61       96  
 
  10-Mar-08     A$126.48       8,691                               8,691                  
 
  09-Jul-09     A$47.60       1,829                               1,829                  
 
  22-Mar-10     A$75.03       32,180                               32,180                  
 
Debra Valentine
  10-Mar-08     £52.58       13,967                               13,967                  
 
  22-Mar-10     £37.30       31,887                               31,887                  
 
Sam Walsh
  13-Mar-07     A$74.50       25,103             15,966             9,137           15-Feb-11     A$88.14       739  
 
  09-Jul-09     A$47.60       5,284             3,361             1,923           15-Feb-11     A$88.14       156  
 
  10-Mar-08     A$126.48       21,366                               21,366                  
 
  09-Jul-09     A$47.60       4,497                               4,497                  
 
  17-Mar-09     A$52.01       26,670                               26,670                  
 
  09-Jul-09     A$47.60       5,614                               5,614                  
 
  22-Mar-10     A$75.03       55,842                               55,842                  
 
Management Share Plan
                                                                                       
 
Hugo Bague
  10-Mar-08     £52.58       1,826                   49       1,875           15-Feb-11     £45.50       132  
 
  17-Mar-09     £19.82       16,769                               16,769                  
 
Jacynthe Côté
  10-Mar-08     £52.58       7,296                               7,296                  
 
  17-Mar-09     £19.82       5,463                               5,463                  
 
Andrew Harding
  10-Mar-08     A$126.48       837                               837                  
 
  09-Jul-09     A$47.60       176                               176                  
 
  17-Mar-09     A$52.01       8,490                               8,490                  
 
  09-Jul-09     A$47.60       1,787                               1,787                  
 
Harry Kenyon-Slaney
  10-Mar-08     £52.58       932                   25       957           17-Feb-11     £44.99       67  
 
  17-Mar-09     £19.82       7,403                               7,403                  
 
Doug Ritchie
  10-Mar-08     A$126.48       1,252                   40       1,292           18-Feb-11     A$87.61       104  
 
  09-Jul-09     A$47.60       263                   3       266           18-Feb-11     A$87.61       21  
 
  17-Mar-09     A$52.01       8,572                               8,572                  
 
  09-Jul-09     A$47.60       1,804                               1,804                  
 
  14-Sep-09     A$58.05       9,879                               9,879                  
 
Debra Valentine
  10-Mar-08     £52.58       1,820                                                
 
  10-Mar-08     £52.58       6,052                               6,052                  
 
  10-Mar-08     £52.58       6,053                               6,053                  
 
  17-Mar-09     £19.82       19,107                               19,107                  
 
 
Notes to Tables 4a and 4b
 
(a)   Or at date of appointment, if later.
 
(b)   Or at date of resignation, if earlier.
 
(c)   Awards denominated in pounds sterling were for Rio Tinto plc ordinary shares of 10p each and awards denominated in Australian dollars were for Rio Tinto Limited shares.
 
(d)   The weighted fair value per share of conditional awards granted in 2010 was as follows: Performance Share Plan was £38.26 for Rio Tinto plc and A$79.54 for Rio Tinto Limited.
 
(e)   Conditional awards are awarded at no cost to the recipient and no amount remains unpaid on any shares granted.
 
(f)   The amount in US dollars has been converted from sterling at the rate of £1 = US$1.5459 and Australian dollars at the rate of A$1 = US$0.9178, being the average exchange rates for 2010.


(SIDE BAR)


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Remuneration report continued
 
Table 5 – Executives holding options to acquire Rio Tinto plc and Rio Tinto Limited shares 2010
                                                   
                                             
                            Vested during                
    Date of Grant   1 Jan 10  (a)   Granted     2010     Exercised     Lapsed/ cancelled  (i)  
 
Share Savings Plan
                                     
 
Tom Albanese
  06-Oct-06     957                            
 
Hugo Bague
  17-Oct-08     288                            
 
  20-Oct-09     84                            
 
Preston Chiaro
  17-Oct-08     367                            
 
  05-Oct-10           189                      
 
Bret Clayton
  05-Oct-07     197             197       197          
 
Guy Elliott
  17-Oct-08     629                            
 
Andrew Harding
  06-Oct-06     455             455       455          
 
  20-Oct-09     723                            
 
Harry Kenyon-Slaney
  05-Oct-07     280                            
 
  20-Oct-09     434                            
 
Doug Ritchie
  06-Oct-06     455             455       455          
 
  20-Oct-09     422                            
 
Debra Valentine
  17-Oct-08     367                            
 
  05-Oct-10           189                      
 
Sam Walsh
  17-Oct-08     505                         505    
 
  20-Oct-09     125                            
 
  05-Oct-10           457                      
 
Share Option Plan
                                     
 
Tom Albanese
  06-Mar-01     30,840                   30,840          
 
  06-Mar-01     93,500                   93,500          
 
  13-Mar-02     151,719                   151,719          
 
  07-Mar-03     168,459                            
 
  22-Apr-04     101,706                            
 
  09-Mar-05     101,592                            
 
  07-Mar-06     81,722                            
 
  13-Mar-07     80,117                         80,117    
 
  10-Mar-08     89,045                            
 
  17-Mar-09     72,029                            
 
  22-Mar-10           119,230                      
 
Hugo Bague
  09-Sep-07     10,693                         10,693    
 
  17-Mar-09     15,714                            
 
  22-Mar-10           47,297                      
 
Preston Chiaro
  07-Mar-03     44,982                   44,982          
 
  22-Apr-04     85,328                   85,328          
 
  09-Mar-05     76,899                   76,899          
 
  07-Mar-06     62,067                            
 
  13-Mar-07     46,627                         46,627    
 
  10-Mar-08     35,533                            
 
  17-Mar-09     31,355                            
 
  22-Mar-10           60,838                      
 
Bret Clayton
  22-Apr-04     16,117                   16,117          
 
  09-Mar-05     13,967                   13,967          
 
  07-Mar-06     13,033                            
 
  13-Mar-07     40,975                         40,975    
 
  10-Mar-08     34,307                            
 
  17-Mar-09     30,274                            
 
  22-Mar-10           58,740                      
 
Jacynthe Côté
  17-Mar-09     35,680                            
 
  22-Mar-10           69,230                      
 


152   Rio Tinto 2010 Annual report


Table of Contents

 
                                                         
    Vested and                 Value of options             Date from        
    exercisable on                 exercised during     Market price on     which first        
    31 Dec 2010 (b)     31 Dec 2010 (b)     Exercise price     2010 (g)     date of exercise     exercisable     Expiry date  
 
Share Savings Plan
                                                       
 
Tom Albanese
          957       £17.084                 01-Jan-12   01-Jul-12
 
Hugo Bague
          288       £26.576                 01-Jan-12   01-Jul-12
 
          84       £21.480                 01-Jan-13   01-Jul-13
 
Preston Chiaro
          367       £16.935                 01-Jan-11   17-Jan-11
 
          189       £31.660                 01-Jan-13   06-Jan-13
 
Bret Clayton
                £29.385       £1,046       £34.695     01-Jan-10   06-Jan-10
 
Guy Elliott
          629       £26.576                 01-Jan-14   01-Jul-14
 
Andrew Harding
                A$40.691       A$11,815       A$66.660     01-Jan-10   01-Jul-10
 
          723       A$48.73                 01-Jan-15   01-Jul-15
 
Harry Kenyon-Slaney
          280       £23.850                 01-Jan-13   01-Jul-13
 
          434       £21.480                 01-Jan-15   01-Jul-15
 
Doug Ritchie
                A$40.691       A$14,218       A$71.940     01-Jan-10   01-Jul-10
 
          422       A$48.73                 01-Jan-15   01-Jul-15
 
Debra Valentine
          367       £16.935                 01-Jan-11   18-Jan-11
 
          189       £31.660                 01-Jan-13   06-Jan-13
 
Sam Walsh
                A$66.081                 01-Jan-14   01-Jul-14
 
          125       A$48.73                 01-Jan-15   01-Jul-15
 
          457       A$59.26                 01-Jan-16   01-Jul-16
 
Share Option Plan
                                                       
 
Tom Albanese
                £10.455       £816,797       £36.940     06-Mar-05   06-Mar-11
 
                £10.455       £2,426,792       £36.410     06-Mar-05   06-Mar-11
 
                £12.050       £3,776,285       £36.940     13-Mar-05   13-Mar-12
 
    168,459       168,459       £10.434                 07-Mar-06   07-Mar-13
 
    101,706       101,706       £10.979                 22-Apr-09   22-Apr-14
 
    101,592       101,592       £15.086                 09-Mar-08   09-Mar-15
 
    81,722       81,722       £22.397                 07-Mar-09   07-Mar-16
 
                £22.315                 13-Mar-10   13-Mar-10
 
          89,045       £47.280                 10-Mar-11   10-Mar-18
 
          72,029       £16.530                 17-Mar-12   17-Mar-19
 
          119,230       £37.050                 22-Mar-13   22-Mar-20
 
Hugo Bague
                £28.506                 09-Sep-10   09-Sep-10
 
          15,714       £16.530                 17-Mar-12   17-Mar-19
 
          47,297       £37.050                 22-Mar-13   22-Mar-20
 
Preston Chiaro
                £10.434       £972,780       £32.060     07-Mar-06   07-Mar-13
 
                £10.979       £1,798,799       £32.060     22-Apr-09   22-Apr-14
 
                £15.086       £1,305,283       £32.060     09-Mar-08   09-Mar-15
 
    62,067       62,067       £22.397                 07-Mar-09   07-Mar-16
 
                £22.315                 13-Mar-10   13-Mar-10
 
          35,533       £47.280                 10-Mar-11   10-Mar-18
 
          31,355       £16.530                 17-Mar-12   17-Mar-19
 
          60,838       £37.050                 22-Mar-13   22-Mar-20
 
Bret Clayton
                £10.979       £476,756       £40.560     22-Apr-09   22-Apr-14
 
                £15.086       £355,795       £40.560     09-Mar-08   09-Mar-15
 
    13,033       13,033       £22.397                 07-Mar-09   07-Mar-16
 
                £22.315                 13-Mar-10   13-Mar-10
 
          34,307       £47.280                 10-Mar-11   10-Mar-18
 
          30,274       £16.530                 17-Mar-12   17-Mar-19
 
          58,740       £37.050                 22-Mar-13   22-Mar-20
 
Jacynthe Côté
          35,680       £16.530                 17-Mar-12   17-Mar-19
 
          69,230       £37.050                 22-Mar-13   22-Mar-20
 
(BAR LINE)


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Table of Contents

 
Remuneration report continued
 
Table 5 – Executives holding options to acquire Rio Tinto plc and Rio Tinto Limited shares 2010 continued
                                                   
                                             
                            Vested during                
    Date of Grant   1 Jan 10  (a)   Granted     2010     Exercised     Lapsed/cancelled  (i)  
 
Share Option Plan
                                                 
 
Guy Elliott
  13-Mar-02     74,691                   33,000          
 
  07-Mar-03     117,886                            
 
  22-Apr-04     89,213                            
 
  09-Mar-05     88,332                            
 
  07-Mar-06     70,330                            
 
  13-Mar-07     53,324                         53,324    
 
  10-Mar-08     44,186                            
 
  17-Mar-09     53,615                            
 
  22-Mar-10           88,749                      
 
Andrew Harding
  13-Mar-02     2,894                   2,894          
 
  07-Mar-03     9,383                   9,383          
 
  22-Apr-04     1,526                   1,526          
 
  09-Mar-05     2,275                   2,275          
 
  07-Mar-06     5,253                   5,253          
 
  13-Mar-07     3,777                         3,777    
 
  17-Mar-09     6,268                            
 
  22-Mar-10           46,597                      
 
Harry Kenyon-Slaney(h)
  13-Mar-07     9,103                         9,103    
 
  17-Mar-09     6,938                            
 
  22-Mar-10           47,297                      
 
Doug Ritchie
  07-Mar-06     7,308                            
 
  13-Mar-07     10,200                         10,200    
 
  17-Mar-09     8,230                            
 
  22-Mar-10           48,270                      
 
Debra Valentine
  17-Mar-09     13,558                            
 
  22-Mar-10           47,831                      
 
Sam Walsh
  22-Apr-04     54,400                   54,400          
 
  09-Mar-05     58,823                   58,823          
 
  07-Mar-06     48,079                            
 
  13-Mar-07     35,861                         35,861    
 
  10-Mar-08     30,523                            
 
  17-Mar-09     40,005                            
 
  22-Mar-10           83,763                      
 
 
Notes to Table 5
 
(a)   Or at date of appointment, if later.
 
(b)   Or at date of retirement or resignation, if earlier.
 
(c)   All options granted over ordinary shares. Rio Tinto plc — ordinary shares of 10p each stated in sterling; Rio Tinto Limited ordinary shares – stated in Australian dollars. Each option is granted over one share at no cost to participants. The performance conditions for the Share Option Plan are detailed on page 134.
 
(d)   The closing price of Rio Tinto plc ordinary shares at 31 December 2010 was £44.87 (2009: £33.90) and the closing price of Rio Tinto Limited shares at 31 December 2010 was A$85.70 (2009: A$74.89). The high and low prices during 2010 of Rio Tinto plc and Rio Tinto Limited shares were £28.12 and £45.84 and A$61.70 and A$87.94 respectively.
 
(e)   The exercise price represents the price payable on the options.
 
(f)   The weighted fair value per option during 2010, at date of grant was as follows: Rio Tinto plc Share Savings Plan two year contract £9.36; three year contract £11.15 and five year contract £10.61. Rio Tinto Limited Share Savings Plan three year contract A$24.56 and five year contract A$23.85. Rio Tinto plc Share Option Plan £13.91 (March 2010 grant); Rio Tinto Limited Share Option Plan A$26.97 (March 2010 grant).
 
(g)   The value of options exercised during 2010 is calculated by multiplying the number of options exercised by the difference between the market price and the exercise price on date of exercise.
 
(h)   In 2001 Harry Kenyon-Slaney was granted 6,857 phantom options over Rio Tinto plc shares at a price of £10.455 per share. These were exercised on 18 February 2010 at a price of £33.50 per share.
 
(i)   Options granted in 2007 under the Share Option Plan failed to satisfy their performance condition and did not vest. The value of the lapsed options are shown in the table below.
                 
    Market price at     Value of options  
    date of lapse     lapsed during 2010  
 
Tom Albanese
    £37.09       £1,183,728  
 
Hugo Bague
    £35.40       £73,717  
 
Preston Chiaro
    £37.09       £688,913  
 
Bret Clayton
    £37.09       £605,405  
 
Guy Elliott
    £37.09       £787,862  
 
Andrew Harding
    $75.96       A$66,025  
 
Harry Kenyon-Slaney
    £37.09       £134,496  
 
Doug Ritchie
    $75.96       A$178,306  
 
Sam Walsh
    $75.96       A$626,886  
 


154   Rio Tinto 2010 Annual report


Table of Contents

 
                                                         
    Vested and                     Value of options                    
    exercisable on                     exercised during     Market price on     Date from which      
    31 Dec 2010 (b)   31 Dec 2010 (b)   Exercise price     2010 (g)   date of exercise     first exercisable   Expiry date  
 
Share Option Plan
                                                       
 
Guy Elliott
    41,691       41,691       £12.050       £845,460       £37.670     13-Mar-05   13-Mar-12  
 
    117,886       117,886       £10.434                 07-Mar-06   07-Mar-13  
 
    89,213       89,213       £10.979                 22-Apr-09   22-Apr-14  
 
    88,332       88,332       £15.086                 09-Mar-08   09-Mar-15  
 
    70,330       70,330       £22.397                 07-Mar-09   07-Mar-16  
 
                £22.315                 13-Mar-10   13-Mar-10  
 
          44,186       £47.280                 10-Mar-11   10-Mar-18  
 
          53,615       £16.530                 17-Mar-12   17-Mar-19  
 
          88,749       £37.050                 22-Mar-13   22-Mar-20  
 
Andrew Harding
                A$23.762       A$148,311       A$75.010     13-Mar-05   13-Mar-12  
 
                A$17.227       A$542,177       A$75.010     07-Mar-06   07-Mar-13  
 
                A$18.297       A$86,544       A$75.010     22-Apr-09   22-Apr-14  
 
                A$30.933       A$100,275       A$75.010     09-Mar-08   09-Mar-15  
 
                A$54.951       A$105,369       A$75.010     07-Mar-09   07-Mar-16  
 
                A$58.479                 13-Mar-10   13-Mar-10  
 
          6,268       A$33.451                 17-Mar-12   17-Mar-19  
 
          46,597       A$76.150                 22-Mar-13   22-Mar-20  
 
Harry Kenyon-Slaney(h)
                £22.315                 13-Mar-10   13-Mar-10  
 
          6,938       £16.530                 17-Mar-12   17-Mar-19  
 
          47,297       £37.050                 22-Mar-13   22-Mar-20  
 
Doug Ritchie
    7,308       7,308       A$54.951                 07-Mar-09   07-Mar-16  
 
                A$58.479                 13-Mar-10   13-Mar-10  
 
          8,230       A$33.451                 17-Mar-12   17-Mar-19  
 
          48,270       A$76.150                 22-Mar-13   22-Mar-20  
 
Debra Valentine
          13,558       £16.530                 17-Mar-12   17-Mar-19  
 
          47,831       £37.050                 22-Mar-13   22-Mar-20  
 
Sam Walsh
                A$18.297       A$3,030,243       A$74.000     22-Apr-09   22-Apr-14  
 
                A$30.933       A$2,533,330       A$74.000     09-Mar-08   09-Mar-15  
 
    48,079       48,079       A$54.951                 07-Mar-09   07-Mar-16  
 
                A$58.479                 13-Mar-10   13-Mar-10  
 
          30,523       A$118.067                 10-Mar-11   10-Mar-18  
 
          40,005       A$33.451                 17-Mar-12   17-Mar-19  
 
          83,763       A$76.150                 22-Mar-13   22-Mar-20  
 
(SIDE BAR)


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Table of Contents

2010 Financial statements
 
Contents
         
Primary financial statements
  Page  
    157  
    158  
    159  
    160  
    161  
    162  
    162  
         
         
       
    163  
         
         
Group income statement
       
    182  
    183  
    183  
    184  
    184  
    185  
    185  
    188  
    188  
         
         
Group statement of financial position
       
    189  
    191  
    193  
    194  
    194  
    195  
    195  
    196  
    197  
    197  
    198  
    198  
    199  
    199  
    200  
    200  
    201  
         
         
Capital and reserves
       
    202  
    203  
    204  
156  Rio Tinto 2010 Annual report
 
         
Additional disclosures   Page  
    206  
    208  
    210  
    216  
    221  
    222  
    223  
    224  
    225  
    225  
    226  
    230  
    231  
    232  
    232  
    233  
    233  
    233  
    234  
    241  
         
         
    250  
         
         
    254  
         
         
    257  
 



Table of Contents

      
Group income statement
Years ended 31 December


 
                                 
            2010     2009     2008  
    Note     US$m     US$m     US$m  
     
Continuing operations
                               
Consolidated sales revenue
    31       56,576       41,825       54,264  
Net operating costs (excluding items shown separately)
    3       (36,667 )     (33,818 )     (37,641 )
Impairment charges less reversals
    5       (982 )     (1,573 )     (8,015 )
Gain on consolidation and on disposal of interests in businesses
    2, 41       839       692       2,231  
Exploration and evaluation costs
    12       (594 )     (514 )     (1,134 )
Profits on disposal of interests in undeveloped projects
    12       522       894       489  
     
Operating profit
            19,694       7,506       10,194  
Share of profit after tax of equity accounted units
    6       1,101       786       1,039  
     
Profit before finance items and taxation
            20,795       8,292       11,233  
 
                               
Finance items
                               
Net exchange gains/(losses) on external debt and intragroup balances
    24       529       365       (176 )
Net gains/(losses) on derivatives not qualifying for hedge accounting
            162       261       (173 )
Interest receivable and similar income
    7       163       120       204  
Interest payable and similar charges
    7       (778 )     (929 )     (1,618 )
Amortisation of discount
            (294 )     (249 )     (292 )
     
 
            (218 )     (432 )     (2,055 )
     
Profit before taxation
            20,577       7,860       9,178  
     
Taxation
    8       (5,296 )     (2,076 )     (3,742 )
     
Profit from continuing operations
            15,281       5,784       5,436  
Discontinued operations
                               
Loss after tax from discontinued operations
    2       (97 )     (449 )     (827 )
     
Profit for the year
            15,184       5,335       4,609  
     
– attributable to non-controlling interests
            860       463       933  
– attributable to owners of Rio Tinto (Net earnings)
            14,324       4,872       3,676  
     
 
                               
Basic earnings/(loss) per share (a)
                               
Profit from continuing operations
    9       735.4c       301.7c       286.8c  
Loss from discontinued operations
    9       (4.9c )     (25.5c )     (52.7c )
     
Profit for the year
    9       730.5c       276.2c       234.1c  
     
Diluted earnings/(loss) per share (a)
                               
Profit from continuing operations
    9       731.1c       300.7c       285.5c  
Loss from discontinued operations
    9       (4.9c )     (25.4c )     (52.4c )
     
Profit for the year
    9       726.2c       275.3c       233.1c  
     
 
(a)   The 2009 rights issues were at a discount to the then market price. Accordingly, earnings per share for all periods up to the date on which the shares were issued have been adjusted for the bonus element of the issues. See note 46 for other information relating to the rights issues.
()


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Table of Contents

Group statement of comprehensive income
Years ended 31 December
 
                                                 
    2010   2009
    Attributable to:   Attributable to:
            Non-                     Non-        
      Owners of     controlling             Owners of     controlling        
    Rio Tinto     interests     Total     Rio Tinto     interests     Total  
    US$m     US$m     US$m     US$m     US$m     US$m  
     
Profit after tax for the year
    14,324       860       15,184       4,872       463       5,335  
Other comprehensive income:
                                               
Currency translation adjustment
    1,230       274       1,504       3,732       429       4,161  
Currency translation on companies disposed of transferred to the income statement
    6             6       (13 )           (13 )
Cash flow hedge fair value gains/(losses):
                                               
– Cash flow hedge fair value losses
    (72 )     (21 )     (93 )     (206 )     (107 )     (313 )
– Cash flow hedge losses transferred to the income statement
    47       48       95       16       34       50  
– Cash flow hedge gains on companies disposed of transferred to the income statement
                      (4 )     (1 )     (5 )
Gains on revaluation of available for sale securities
    213       2       215       357       1       358  
Gains on revaluation of available for sale securities transferred to the income statement
    (10 )           (10 )     (3 )           (3 )
Actuarial losses on post retirement benefit plans (note 50)
    (765 )     (17 )     (782 )     (847 )     3       (844 )
Share of other comprehensive income of equity accounted units, net of tax
    206             206       368             368  
Tax relating to components of other comprehensive income (note 8)
    257       (4 )     253       297       24       321  
     
Other comprehensive income for the year, net of tax
    1,112       282       1,394       3,697       383       4,080  
     
Total comprehensive income for the year
    15,436       1,142       16,578       8,569       846       9,415  
 
 
                            2008  
                            Attributable to:
                                    Non-        
                            Owners of     controlling        
                            Rio Tinto     interests     Total  
                            US$m     US$m     US$m  
 
Profit after tax for the year
                            3,676       933       4,609  
Other comprehensive income:
                                               
Currency translation adjustment
                            (4,383 )     (411 )     (4,794 )
Currency translation on companies disposed of transferred to the income statement
                    (2 )           (2 )
Cash flow hedge fair value gains/(losses):
                                               
– Cash flow hedge fair value gains
                            28       6       34  
– Cash flow hedge losses transferred to the income statement
                            245       107       352  
Losses on revaluation of available for sale securities
                            (173 )     (1 )     (174 )
Gains on revaluation of available for sale securities transferred to the income statement
                (1 )           (1 )
Actuarial losses on post retirement benefit plans (note 50)
                            (1,294 )     (20 )     (1,314 )
Share of other comprehensive expense of equity accounted units, net of tax
                            (283 )           (283 )
Tax relating to components of other comprehensive income/(expense) (note 8)
                    280       (36 )     244  
 
Other comprehensive expense for the year, net of tax
                            (5,583 )     (355 )     (5,938 )
 
Total comprehensive (expense)/income for the year
                            (1,907 )     578       (1,329 )
 
158  Rio Tinto 2010 Annual report


 


Table of Contents

 
Group cash flow statement
Years ended 31 December


 
                                 
            2010     2009     2008  
    Note     US$m     US$m     US$m  
     
Cash flow from consolidated operations (a)
            22,126       13,224       19,195  
Dividends from equity accounted units
            1,404       610       1,473  
     
Cash flows from operations
            23,530       13,834       20,668  
 
                               
Net interest paid
            (696 )     (1,136 )     (1,538 )
Dividends paid to holders of non-controlling interests in subsidiaries
            (457 )     (410 )     (348 )
Tax paid
            (4,100 )     (3,076 )     (3,899 )
     
Net cash generated from operating activities
            18,277       9,212       14,883  
 
                               
Cash flow from investing activities
                               
Acquisitions of subsidiaries, joint ventures & associates
    41       (907 )     (396 )     (9 )
Disposals of subsidiaries, joint ventures & associates
    41       604       2,424       2,572  
Net proceeds from the disposal of assets held for sale
    19       3,196              
Purchase of property, plant & equipment and intangible assets
            (4,591 )     (5,388 )     (8,574 )
Sales of financial assets
            227       253       171  
Purchases of financial assets
            (145 )     (44 )     (288 )
Other funding of equity accounted units
            (154 )     (265 )     (334 )
Other investing cash flows
            59       59       281  
     
Cash used in investing activities
            (1,711 )     (3,357 )     (6,181 )
     
 
                               
Cash flow before financing activities
            16,566       5,855       8,702  
 
                               
Cash flow from financing activities
                               
Equity dividends paid to owners of Rio Tinto
            (1,754 )     (876 )     (1,933 )
Proceeds from issue of ordinary shares in Rio Tinto
            92       14,877       23  
Proceeds from additional borrowings
            1,947       5,775       4,697  
Repayment of borrowings
            (11,307 )     (22,220 )     (12,677 )
Receipt from close out of interest rate swaps
                        710  
Proceeds from issue of shares to non-controlling interests
            250       53       72  
Other financing cash flows
            162       (72 )      
     
Cash used in financing activities
            (10,610 )     (2,463 )     (9,108 )
     
Effects of exchange rates on cash and cash equivalents
            (139 )     (284 )     (101 )
     
Net increase/(decrease) in cash and cash equivalents
            5,817       3,108       (507 )
     
Opening cash and cash equivalents less overdrafts
            4,142       1,034       1,541  
     
Closing cash and cash equivalents less overdrafts
    21       9,959       4,142       1,034  
     
 
                               
(a) Cash flow from consolidated operations
                               
Profit from continuing operations
            15,281       5,784       5,436  
Adjustments for:
                               
– Taxation
    8       5,296       2,076       3,742  
– Finance items
            218       432       2,055  
– Share of profit after tax of equity accounted units
    6       (1,101 )     (786 )     (1,039 )
– Gain on consolidation and on disposal of interests in businesses
    41       (839 )     (692 )     (2,231 )
– Impairment charges less reversals
    5       982       1,573       8,015  
– Depreciation and amortisation
            3,437       3,427       3,475  
– Provisions (including exchange differences on provisions)
    27       907       930       265  
Utilisation of provisions
    27       (507 )     (363 )     (464 )
Utilisation of provision for post retirement benefits
    27       (1,110 )     (470 )     (448 )
Change in inventories
            (492 )     653       (1,178 )
Change in trade and other receivables
            (1,316 )     908       658  
Change in trade and other payables
            983       (570 )     951  
Other items
            387       322       (42 )
     
 
            22,126       13,224       19,195  
     
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Group statement of financial position
At 31 December
 
                         
            2010     2009  
    Note     US$m     US$m  
     
Non-current assets
                       
Goodwill
    11       15,296       14,268  
Intangible assets
    12       5,700       5,730  
Property, plant and equipment
    13       56,024       45,803  
Investments in equity accounted units
    14       6,503       6,735  
Loans to equity accounted units
            227       170  
Inventories
    16       375       284  
Trade and other receivables
    17       1,826       1,375  
Deferred tax assets
    18       1,863       2,231  
Tax recoverable
            89       85  
Other financial assets
    20       1,334       841  
     
 
            89,237       77,522  
 
                       
Current assets
                       
Inventories
    16       4,756       4,889  
Trade and other receivables
    17       5,582       4,447  
Loans to equity accounted units
            110       168  
Tax recoverable
            542       501  
Other financial assets
    20       521       694  
Cash and cash equivalents
    21       9,948       4,233  
     
 
            21,459       14,932  
Assets of disposal groups held for sale
    19       1,706       4,782  
     
Total assets
            112,402       97,236  
     
Current liabilities
                       
Bank overdrafts repayable on demand
    21       (7 )     (91 )
Borrowings
    22       (1,057 )     (756 )
Trade and other payables
    25       (6,576 )     (5,759 )
Other financial liabilities
    26       (265 )     (412 )
Tax payable
            (2,773 )     (1,329 )
Provisions
    27       (1,117 )     (1,182 )
     
 
            (11,795 )     (9,529 )
     
Non-current liabilities
                       
Borrowings
    22       (13,277 )     (22,155 )
Trade and other payables
    25       (879 )     (591 )
Other financial liabilities
    26       (416 )     (601 )
Tax payable
            (417 )     (299 )
Deferred tax liabilities
    18       (5,175 )     (4,304 )
Provision for post retirement benefits
    27       (4,339 )     (4,993 )
Other provisions
    27       (9,023 )     (7,519 )
     
 
            (33,526 )     (40,462 )
Liabilities of disposal groups held for sale
    19       (1,807 )     (1,320 )
     
Total liabilities
            (47,128 )     (51,311 )
     
Net assets
            65,274       45,925  
     
Capital and reserves
                       
Share capital – Rio Tinto plc
    28       246       246  
– Rio Tinto Limited (excluding Rio Tinto plc interest)
    29       5,601       4,924  
Share premium account (a)
            4,258       4,174  
Other reserves
    30       15,643       14,010  
Retained earnings
    30       32,585       20,477  
     
Equity attributable to owners of Rio Tinto
            58,333       43,831  
Attributable to non-controlling interest (a)
            6,941       2,094  
     
Total equity
            65,274       45,925  
     
 
(a)   Refer to statement of changes in equity.
The notes on pages 163 to 246 are an integral part of these consolidated financial statements. The financial statements on pages 157 to 256 were approved by the directors on 4 March 2011 and signed on their behalf by
             
-s- Jan du Plessis
  -s- Tom Albanese   -s- Guy Elliott    
Jan du Plessis Chairman   Tom Albanese Chief executive   Guy Elliott Chief financial officer    
160  Rio Tinto 2010 Annual report
 



Table of Contents

Group statement of changes in equity
Years ended
 
                                                         
    Attributable to owners of Rio Tinto
31 December 2010   Share capital             Other     Retained             Non-        
    (notes 28     Share     reserves     earnings             controlling     Total  
    and 29)     premium     (note 30)     (note 30)     Total     interests     equity  
    US$m     US$m     US$m     US$m     US$m     US$m     US$m  
   
Opening balance
    5,170       4,174       14,010       20,477       43,831       2,094       45,925  
Total comprehensive income for the year (a)
                1,645       13,791       15,436       1,142       16,578  
Currency translation arising on Rio Tinto Limited’s share capital (b)
    677                         677             677  
Dividends
                      (1,754 )     (1,754 )     (457 )     (2,211 )
Own shares purchased from owners of Rio Tinto
to satisfy share options
                (84 )     (39 )     (123 )           (123 )
Treasury shares reissued
          84             8       92             92  
Consolidation of Oyu Tolgoi (c)
                                  3,912       3,912  
Shares issued to holders of non-controlling interests
                                  250       250  
Employee share options
                48       69       117             117  
Cash settled share options reclassified as equity settled
                24       33       57             57  
   
Closing balance
    5,847       4,258       15,643       32,585       58,333       6,941       65,274  
   
                                                         
    Attributable to owners of Rio Tinto
31 December 2009   Share capital             Other     Retained             Non-        
    (notes 28     Share     reserves     earnings             controlling     Total  
    and 29)     premium (d)   (note 30)     (note 30)     Total     interests     equity  
    US$m     US$m     US$m     US$m     US$m     US$m     US$m  
 
Opening balance
    1,121       4,705       (2,322 )     17,134       20,638       1,823       22,461  
Total comprehensive income for the year (a)
                4,401       4,168       8,569       846       9,415  
Currency translation arising on Rio Tinto Limited’s share capital (b)
    710                         710             710  
Dividends
                      (876 )     (876 )     (410 )     (1,286 )
Own shares purchased from owners of Rio Tinto
to satisfy share options
                (35 )     (17 )     (52 )           (52 )
Ordinary shares issued
    3,339       (531 )     11,936       3       14,747             14,747  
Shares issued to holders of non-controlling interests
                                  53       53  
Subsidiaries now equity accounted
                                  (218 )     (218 )
Employee share options
                30       65       95             95  
 
Closing balance
    5,170       4,174       14,010       20,477       43,831       2,094       45,925  
 
                                                         
    Attributable to owners of Rio Tinto
31 December 2008   Share capital             Other     Retained             Non-        
    (notes 28     Share     reserves     earnings             controlling     Total  
    and 29)     premium     (note 30)     (note 30)     Total     interests     equity  
    US$m     US$m     US$m     US$m     US$m     US$m     US$m  
 
Opening balance
    1,391       1,932       2,416       19,033       24,772       1,521       26,293  
Total comprehensive income/(expense) for the year (a)
                (4,649 )     2,742       (1,907 )     578       (1,329 )
Currency translation arising on Rio Tinto Limited’s share capital (b)
    (258 )                       (258 )           (258 )
Dividends
                      (1,933 )     (1,933 )     (348 )     (2,281 )
Own shares purchased from owners of Rio Tinto
to satisfy share options
                (128 )           (128 )           (128 )
Ordinary shares issued
          6             25       31             31  
Own shares purchased and cancelled
    (12 )     2,767       12       (2,767 )                  
Shares issued to holders of non-controlling interests
                                  72       72  
Employee share options
                27       34       61             61  
 
Closing balance
    1,121       4,705       (2,322 )     17,134       20,638       1,823       22,461  
 
 
(a)   Refer to Statement of comprehensive income for further details.
 
(b)   Refer to note 1 (d).
 
(c)   Rio Tinto consolidated Oyu Tolgoi LLC on 15 December 2010 following the signing of a new agreement with Ivanhoe Mines. Refer to note 41.
 
(d)   Charges to share premium in 2009 include underwriting fees and other fees for the Rio Tinto plc rights issue together with the mark-to-market losses from inception to receipt of proceeds on forward contracts taken out by Rio Tinto plc to provide confidence in the absolute dollar proceeds of the rights issue. Refer to note 46.
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Table of Contents

 
Reconciliation with Australian Accounting Standards
The financial statements of Rio Tinto Group (“the Group”) have been prepared in accordance with International Financial Reporting Standards (IFRS) both as adopted by the European Union (“EU IFRS”) and as issued by the International Accounting Standards Board (“IFRS”), which differ in certain respects from the version of IFRS that is applicable in Australia referred to as Australian Accounting Standards (AAS).
Prior to 1 January 2004, the Group’s financial statements were prepared in accordance with United Kingdom Generally Accepted Accounting Practice (UK GAAP). Under IFRS, goodwill on acquisitions prior to 1998 which was eliminated directly against equity in the Group’s UK GAAP financial statements, has not been reinstated. This was permitted under the rules governing the transition to IFRS set out in IFRS 1. The equivalent Australian Standard, AASB 1, does not provide for the netting of goodwill against equity. As a consequence, shareholders’ funds under AAS include the residual of such goodwill, which amounted to US$584 million at 31 December 2010 (2009: US$597 million; 2008: US$752 million).
Save for the exception described above, the Group’s financial statements drawn up in accordance with IFRS are consistent with the requirements of AAS.
Outline of dual listed companies structure and basis of financial statements
The Rio Tinto Group
These are the financial statements of the Group formed through the merger of economic interests of Rio Tinto plc and Rio Tinto Limited (“Merger”), and presented by both Rio Tinto plc and Rio Tinto Limited as their consolidated accounts in accordance with both United Kingdom and Australian legislation and regulations.
Merger terms
On 21 December 1995, Rio Tinto plc and Rio Tinto Limited, which are listed respectively on Stock Exchanges in the United Kingdom and Australia, entered into a dual listed companies (DLC) merger. This was effected by contractual arrangements between the companies and amendments to Rio Tinto plc’s Memorandum and Articles of Association and Rio Tinto Limited’s constitution.
As a result, Rio Tinto plc and Rio Tinto Limited and their respective groups operate together as a single economic enterprise, with neither assuming a dominant role. In particular, the arrangements:
  confer upon the shareholders of Rio Tinto plc and Rio Tinto Limited a common economic interest in both groups;
  provide for common boards of directors and a unified management structure;
  provide for equalised dividends and capital distributions; and
  provide for the shareholders of Rio Tinto plc and Rio Tinto Limited to take key decisions, including the election of directors, through an electoral procedure in which the public shareholders of the two companies effectively vote on a joint basis.
The merger involved no change in the legal ownership of any assets of Rio Tinto plc or Rio Tinto Limited, nor any change in the ownership of any existing shares or securities of Rio Tinto plc or Rio Tinto Limited, nor the issue of any shares, securities or payment by way of consideration, save for the issue by each company of one special voting share to a trustee company which provides the joint electoral procedure for public shareholders. During 2002, each of the parent companies issued a DLC Dividend Share to facilitate the efficient management of funds within the DLC structure.
Accounting standards
The financial statements have been drawn up in accordance with International Financial Reporting Standards both as adopted by the European Union (“EU IFRS”) and as issued by the International Accounting Standards Board (“IFRS”). The Merger was accounted for as a merger under UK GAAP. As permitted under the rules governing the transition to IFRS, which are set out in IFRS 1, the Group did not restate business combinations that occurred before the transition date of 1 January 2004. As a result, the DLC merger of economic interests described above continues to be accounted for as a merger under IFRS.
The main consequence of adopting merger rather than acquisition accounting is that the statement of financial position of the merged Group includes the assets and liabilities of Rio Tinto plc and Rio Tinto Limited at their carrying values prior to the merger, subject to adjustments to achieve uniformity of accounting policies, rather than at their fair values at the date of the merger. For accounting purposes, Rio Tinto plc and Rio Tinto Limited are viewed as a single public parent company (with their respective public shareholders being the shareholders in that single company). As a result the amounts attributable to both Rio Tinto plc and Rio Tinto Limited public shareholders are included in the amounts attributed to owners of Rio Tinto on the statement of financial position, income statement and statement of comprehensive income.
Australian Corporations Act
The financial statements are drawn up in accordance with an order, under section 340 of the Australian Corporations Act 2001, issued by the Australian Securities and Investments Commission (ASIC) on 22 December 2010. The main provisions of the order are that the financial statements are prepared in accordance with IFRS and include a reconciliation from EU IFRS to the Australian Accounting Standards (see above).
For further details of the ASIC Class Order relief, see page 254.
162  Rio Tinto 2010 Annual report


 


Table of Contents

Notes to the 2010 financial statements
 
1   Principal accounting policies
Corporate information
The financial statements of the Group were authorised for issue in accordance with a directors’ resolution on 4 March 2011. Rio Tinto plc and Rio Tinto Limited are listed and incorporated respectively on Stock Exchanges in the United Kingdom and Australia. Rio Tinto plc’s registered office is at 2 Eastbourne Terrace, London W2 6LG, United Kingdom. Rio Tinto Limited’s registered office is at 120 Collins Street, Melbourne, Australia, 3000.
Rio Tinto’s business is finding, mining and processing mineral resources. Major products are iron ore, aluminium, copper, diamonds, coal, uranium, gold and industrial minerals (borax, titanium dioxide, salt, talc). Activities span the world but are strongly represented in Australia and North America with significant businesses in South America, Asia, Europe and Africa.
Basis of preparation
The basis of preparation and accounting policies used in preparing the financial statements for the year ended 31 December 2010 are set out below.
The financial statements for the year ended 31 December 2010 have been prepared in accordance with International Financial Reporting Standards both as adopted by the EU (“EU IFRS”) and as issued by the International Accounting Standards Board (“IFRS”), interpretations issued from time to time by the International Financial Reporting Interpretations Committee (IFRIC) adopted by the European Union that are mandatory for the year ended 31 December 2010, the Companies Act 2006 applicable to companies reporting under IFRS and in accordance with applicable United Kingdom law, applicable Australian law as amended by the Australian Securities and Investments Commission Order dated 22 December 2010 and Article 4 of the European Union IAS regulation.
The IFRS financial information has been drawn up on the basis of accounting policies consistent with those applied in the financial statements for the year to 31 December 2009, except for the following:
  IAS 1 (amendment), “Presentation of financial statements”
 
  IAS 27 (revised) “Consolidated and separate financial statements”. The standard requires the effects of all increases or decreases in the ownership of subsidiaries to be recorded in equity if there is no change in control. They will therefore no longer result in goodwill or gains and losses. The standard also specifies the accounting when control is lost. Any remaining interest in the company is re-measured to fair value and a gain or loss is recognised in profit or loss.
 
  IAS 38 (amendment), “Intangible Assets”
 
  IFRS 3 (amendment) “Business combinations”. Under the revised standard, all payments to purchase a business are to be recorded at fair value at the acquisition date with contingent payments classified as debt subsequently re-measured through the income statement. All acquisition related costs should be expensed. When a business is acquired in which the Group previously held a non-controlling stake, the existing stake is re-measured to fair value at the date of acquisition. Any difference between fair value and carrying value is taken to the income statement.
 
  IFRS 5 (amendment), “Non-current assets held for sale and discontinued operations”
 
  Eligible Hedged Items (an amendment to IAS 39 Financial Instruments: Recognition and Measurement)
 
  IFRIC 17 Non cash distributions to owners
 
  IFRS 2 amendment, “Share-based payment” – Group cash-settled share-based payment transactions
 
  Improvements to IFRS 2009. This standard collates further minor changes to IFRS.
The effect of adopting these standards, where the standards require retrospective application, is not material to Group earnings or to shareholdersfunds in the prior year. Therefore, prior year information has not been restated. A post tax gain of US$531 million has been recorded on the control of Oyu Tolgoi LLC in 2010 as a result of the application of the amendment to IFRS 3 with a consequent increase in the provisional fair value of identifiable net assets associated with the transaction.
The Group has not applied the following pronouncements which are not mandatory for 2010:
  Amendment to IAS 24, “Related party disclosures” – mandatory for year 2011. The definition of a related party has been clarified to simplify the identification of related party relationships, particularly in relation to significant influence and joint control. When the revised standard is applied, the Group and the parent will need to disclose any transactions between its subsidiaries and its associates. The Group is currently putting systems in place to capture the necessary information. It is, therefore, not possible at this stage to disclose the impact, if any, of the revised standard on the related party disclosures.
 
  IFRIC 19 Extinguishing financial liabilities with equity instruments – mandatory for year 2011
 
  Amendment to IFRIC 14, IAS 19, “Prepayments of a minimum funding requirement” – mandatory for year 2011
 
  Improvements to IFRS 2010 – mandatory for year 2011. This standard collates further minor changes to IFRS
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Notes to the 2010 financial statements continued
 
1   Principal accounting policies continued
  Amendment to IAS 12, “Deferred Tax: Recovery of underlying assets”, mandatory for year 2012
 
  IFRS 9, “Financial instruments”, mandatory for year 2013
The Group is evaluating the impact of the above pronouncements. The above changes are not expected to be material to the Group’s earnings or to shareholdersfunds.
Judgments in applying accounting policies and key sources of estimation uncertainty
Many of the amounts included in the financial statements involve the use of judgment and/or estimation. These judgments and estimates are based on management’s best knowledge of the relevant facts and circumstances, having regard to previous experience, but actual results may differ from the amounts included in the financial statements. Information about such judgments and estimation is contained in the accounting policies and/or the Notes to the financial statements, and the key areas are summarised below.
Areas of judgment that have the most significant effect on the amounts recognised in the financial statements are:
  Merger accounting for the 1995 merger of the economic interests of Rio Tinto plc and Rio Tinto Limited into the dual listed companies (DLC) structure (page 162)
 
  Review of asset carrying values and impairment charges and reversals note 1(e) and (i), note 5 and note 11
 
  Estimation of asset lives – note 1(e) and (i)
 
  Determination of ore reserve estimates – note 1(j)
 
  Close down, restoration and clean up obligations – note 1(k)
 
  Deferral of stripping costs – note 1(h)
 
  Recognition of deferred tax on mineral rights recognised in acquisitions – note 1(m)
 
  Recoverability of potential deferred tax assets – note 1(m) and note 18(d) and (e)
 
  Capitalisation of exploration and evaluation costs – note 1(f)
 
  Identification of functional currencies – note 1(d)
 
  The definition of Underlying earnings – note 2
 
  Acquisitions – note 1(b)
Key sources of estimation uncertainty that have a significant risk of causing a material adjustment to the carrying amounts of assets and liabilities within the next financial year are:
  Review of asset carrying values and impairment charges and reversals note 1(e) and (i), note 5 and note 11
 
  Estimation of close down and restoration costs and the timing of expenditure – note 1(k) and note 27
 
  Estimation of environmental clean up costs and the timing of expenditure – note 1(k) and note 27
 
  Estimation of liabilities for post retirement costs – note 50
 
  Recoverability of potential deferred tax assets – note 1(m) and note 18(d) and (e)
 
  Contingencies – note 1(k) and note 35
These areas of judgment and estimation are discussed further on page 178.
(a) Accounting convention
The financial information included in the financial statements for the year ended 31 December 2010, and for the related comparative period, has been prepared under the historical cost convention, as modified by the revaluation of certain derivative contracts, financial assets and post retirement assets and liabilities. The Group’s policy in respect of these items is set out in the notes below.
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(b) Basis of consolidation
The financial statements consist of the consolidation of the accounts of Rio Tinto plc and Rio Tinto Limited (together “the Companies”) and their respective subsidiaries (together “the Group”).
All intragroup balances, transactions, income and expenses and profits or losses, including unrealised profits arising from intragroup transactions, have been eliminated on consolidation. Unrealised losses are eliminated in the same way as unrealised gains except that they are only eliminated to the extent that there is no evidence of impairment.
Subsidiaries: Subsidiaries are entities over which the Companies have the power to govern the financial and operating policies in order to obtain benefits from their activities. Control is presumed to exist where the Companies own more than one half of the voting rights (which does not always equate to percentage ownership) unless it can be demonstrated that ownership does not constitute control. Control does not exist where other parties hold veto rights over significant operating and financial decisions or where the Companies cannot obtain benefits from the activities of the entities they have the power to govern. Similarly, the Group has control where another party owns more than one half of the voting rights of an entity but the Group can control those voting rights through a contractual arrangement. In assessing control, potential voting rights that are currently exercisable or convertible are taken into account. The consolidated financial statements include all the assets, liabilities, revenues, expenses and cash flows of the Companies and their subsidiaries after eliminating intragroup transactions as noted above.
For partly owned subsidiaries, the allocation of net assets and net earnings to outside shareholders is shown in the line ‘Attributable to non-controlling interests’ on the face of the Group statement of financial position and Group income statement.
Associates: An associate is an entity, that is neither a subsidiary nor a joint venture, over whose operating and financial policies the Group exercises significant influence. Significant influence is presumed to exist where the Group has between 20 per cent and 50 per cent of the voting rights, but can also arise where the Group holds less than 20 per cent if it has the power to be actively involved and influential in policy decisions affecting the entity. The Groups share of the net assets, post tax results and reserves of associates are included in the financial statements using the equity accounting method. This involves recording the investment initially at cost to the Group, which therefore includes any goodwill on acquisition, and then, in subsequent periods, adjusting the carrying amount of the investment to reflect the Groups share of the associates post-acquisition profits or losses, which is recognised in the income statement, and its share of post-acquisition comprehensive income, which is recognised within the line item ‘share of other comprehensive income of equity accounted units’ in the Group statement of comprehensive income. Unrealised gains on transactions between the Group and its associates are eliminated to the extent of the Groups interest in the associates.
Joint ventures: A joint venture is a contractual arrangement whereby two or more parties undertake an economic activity that is subject to joint control. Joint control is the contractually agreed sharing of control such that significant operating and financial decisions require the unanimous consent of the parties sharing control. In some situations, joint control exists even though the Group has an ownership interest of more than 50 per cent because of the veto rights held by joint venture partners. The Group has two types of joint ventures:
Jointly controlled entities (JCEs): A JCE is a joint venture that involves the establishment of a corporation, partnership or other entity in which each venturer has a long term interest. JCEs are accounted for using the equity accounting method. In addition, for both associates and jointly controlled entities, the carrying value will include any long term debt interests that in substance form part of the Groups net investment.
Jointly controlled assets (JCAs): A JCA is a joint venture in which the venturers have joint control over the assets contributed to or acquired for the purposes of the joint venture. JCAs do not involve the establishment of a corporation, partnership or other entity. This includes situations where the participants derive benefit from the joint activity through a share of the production, rather than by receiving a share of the results of trading. The Groups proportionate interest in the assets, liabilities, revenues, expenses and cash flows of JCAs are incorporated into the Groups financial statements under the appropriate headings. The Group uses the term “Equity accounted units” to refer to associates and jointly controlled entities collectively. Where necessary, adjustments are made to the results of subsidiaries, joint ventures and associates to bring their accounting policies into line with those used by the Group.
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Notes to the 2010 financial statements continued
 
1   Principal accounting policies continued
Acquisitions
On the acquisition of a subsidiary, the acquisition method of accounting is used whereby the purchase consideration is allocated to the identifiable assets, liabilities and contingent liabilities (identifiable net assets) of the subsidiary on the basis of fair value at the date of acquisition. Provisional fair values allocated at a reporting date are finalised within 12 months of the acquisition date.
The consideration transferred for the acquisition of a subsidiary is the fair value of the assets transferred, the liabilities incurred and the equity interests issued by the Group. The consideration transferred includes the fair value of any asset or liability resulting from a contingent consideration arrangement. Costs related to the acquisition of a subsidiary are expensed as incurred. On an acquisition by acquisition basis, the Group recognises any non-controlling interest in the acquiree either at fair value or at the non-controlling interest’s proportionate share of the acquiree’s net assets. Where the Group has a previously held interest in the acquiree, this is remeasured to fair value at acquisition with any gain or loss being recognised in the income statement.
The results of businesses acquired during the year are brought into the consolidated financial statements from the date on which control, joint control or significant influence commences.
Disposals
Individual non-current assets or “disposal groups” (ie groups of assets and liabilities) to be disposed of, by sale or otherwise in a single transaction, are classified as “held for sale” if the following criteria are met:
  the carrying amount will be recovered principally through a sale transaction rather than through continuing use, and
  the disposal group is available for immediate sale in its present condition subject only to terms that are usual and customary for such sales, and
  the sale is highly probable.
Disposal groups held for sale are carried at the lower of their carrying amount and fair value less costs to sell and are presented separately on the face of the statement of financial position with the related assets and liabilities being presented as a single asset and a single liability respectively. Comparative statement of financial position information is not restated. Disposal groups acquired with a view to resale are held at fair value determined at the acquisition date and no profits or losses are recognised between acquisition date and disposal date, unless there is a subsequent impairment.
For a disposal group held for sale that continues to be carried at its carrying amount, the profit on disposal, calculated as net sales proceeds less the carrying amount, is recognised in the income statement in the period during which control passes to the buyer. Where the fair value less costs to sell of a disposal group is lower than the carrying amount at the time of classification as held for sale, the resulting charge is recognised in the income statement in that period. On classification as held for sale, the assets are no longer depreciated. When the fair value less costs to sell of a disposal group falls below the carrying amount during the period in which it is classified as held for sale, the charge is included in the income statement at that time.
If the disposal group or groups represent a separate major line of business or geographical area of operations, or are part of a single coordinated plan to dispose of a separate major line of business or geographical area of operations, or are subsidiaries acquired exclusively with a view to resale, they are classified as “discontinued operations”. The net results attributable to such discontinued operations are shown separately and comparative figures in the income and cash flow statements are restated.
The Group accounts for transactions with non-controlling interests as transactions with equity owners of the Group.
For purchases from non-controlling interests, the difference between any consideration paid and the relevant share acquired of the carrying value of net assets of the subsidiary is recorded in equity. Gains or losses on disposals to non-controlling interests are also recorded in equity. The results of businesses are taken out of the financial statements from the date on which control, joint control or significant influence ceases. At this point any retained interest in the entity is remeasured to its fair value, with the change in carrying amount recognised in the income statement. The fair value is the initial carrying amount for the purposes of subsequently accounting for the retained interest as an associate, joint venture or financial asset. In addition, any amounts previously recognised in other comprehensive income in respect of that entity are accounted for as if the Group had directly disposed of the appropriate share of the related assets or liabilities. This may mean that amounts previously recognised in other comprehensive income are reclassified to the income statement.
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(c) Sales revenue
Sales revenue comprises sales to third parties at invoiced amounts, with most sales being priced ex works, free on board (fob) or cost, insurance and freight (cif). Amounts billed to customers in respect of shipping and handling are classed as sales revenue where the Group is responsible for carriage, insurance and freight. All shipping and handling costs incurred by the Group are recognised as operating costs. If the Group is acting solely as an agent, amounts billed to customers are offset against the relevant costs. Revenue from services is recognised as services are rendered and accepted by the customer.
Sales revenue excludes any applicable sales taxes. Mining royalties are presented as an operating cost or, where they are in substance a profit based tax, within taxes. Co-product revenues are included in sales revenue.
A large proportion of Group production is sold under medium to long term contracts, but sales revenue is only recognised on individual sales when all of the following criteria are met:
  the significant risks and rewards of ownership of the product have been transferred to the buyer;
 
  neither continuing managerial involvement to the degree usually associated with ownership, nor effective control over the goods sold, has been retained;
 
  the amount of revenue can be measured reliably;
 
  it is probable that the economic benefits associated with the sale will flow to the Group; and
 
  the costs incurred or to be incurred in respect of the sale can be measured reliably.
These conditions are generally satisfied when title passes to the customer. In most instances sales revenue is recognised when the product is delivered to the destination specified by the customer, which is typically the vessel on which it will be shipped, the destination port or the customer’s premises.
Sales revenue is commonly subject to adjustment based on an inspection of the product by the customer. In such cases, sales revenue is initially recognised on a provisional basis using the Group’s best estimate of contained metal, and adjusted subsequently.
Certain products are “provisionally priced”, ie the selling price is subject to final adjustment at the end of a period normally ranging from 30 to 180 days after delivery to the customer, based on the market price at the relevant quotation point stipulated in the contract.
As is customary in the industry, revenue on provisionally priced sales is recognised based on estimates of the fair value of the consideration receivable based on forward market prices. At each reporting date provisionally priced metal is marked to market based on the forward selling price for the quotational period stipulated in the contract. For this purpose, the selling price can be measured reliably for those products, such as copper, for which there exists an active and freely traded commodity market such as the London Metals Exchange and the value of product sold by the Group is directly linked to the form in which it is traded on that market.
The marking to market of provisionally priced sales contracts is recorded as an adjustment to sales revenue. Information on provisionally priced sales contracts is included in note 33.
Certain of the Group’s products, such as iron ore, were previously sold under long term contracts at a benchmark price. During 2010, pricing for the majority of iron ore customers changed to a quarterly basis reflecting the structural shift away from annual benchmark pricing. Consistent with prior years, where the benchmark price has not been formally agreed by individual customers at the end of an accounting period, revenue is reported based on the best available information, having reference to the terms of the contractual agreement and, where appropriate, to sales with other customers.
(d) Currency translation
The functional currency for each entity in the Group, and for jointly controlled entities and associates, is the currency of the primary economic environment in which it operates. For many entities, this is the currency of the country in which they operate. Transactions denominated in other currencies are converted to the functional currency at the exchange rate ruling at the date of the transaction unless hedge accounting applies, in which case the contract rate is used. Generally, this applies when derivatives or embedded derivatives are designated as cash flow hedges of the Group’s sales. The Group’s accounting policies for derivative financial instruments and hedge accounting are explained in more detail in note 1(p) (iii). Monetary assets and liabilities denominated in foreign currencies are retranslated at year end exchange rates.
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Notes to the 2010 financial statements continued
 
1   Principal accounting policies continued
The US dollar is the currency in which the Group’s financial statements are presented, as it most reliably reflects the global business performance of the Group as a whole. On consolidation, income statement items are translated from the functional currency into US dollars at average rates of exchange. Statement of financial position items are translated into US dollars at year end exchange rates. Exchange differences on the translation of the net assets of entities with functional currencies other than the US dollar, and any offsetting exchange differences on net debt hedging those net assets, are recognised directly in the foreign currency translation reserve via the statement of comprehensive income (with the exception of translation adjustments relating to Rio Tinto Limited’s share capital which are shown in the Group statement of changes in equity).
Exchange gains and losses which arise on balances between Group entities are taken to the foreign currency translation reserve where the intragroup balance is, in substance, part of the Group’s net investment in the entity.
The balance of the foreign currency translation reserve relating to an operation that is disposed of is transferred to the income statement at the time of the disposal.
The Group finances its operations primarily in US dollars but part of the Group’s US dollar debt is located in subsidiaries having functional currencies other than the US dollar. Except as noted above, exchange gains and losses relating to such US dollar debt are charged or credited to the Group’s income statement in the year in which they arise. This means that the impact of financing in US dollars on the Group’s income statement is dependent on the functional currency of the particular subsidiary where the debt is located.
Exchange differences arising on closure provisions are capitalised at operating mines. Except as noted above, or in note 1 (p) relating to derivative contracts, all other exchange differences are charged or credited to the income statement in the year in which they arise.
(e) Goodwill and intangible assets (excluding exploration and evaluation expenditure)
The excess of the consideration transferred, the amount of any non-controlling interest in the acquiree and the acquisition date fair value of any previous equity interest in the acquiree over the fair value of the Group’s share of the identifiable net assets acquired is recorded as goodwill. If this is less than the fair value of the net assets of the subsidiary acquired in the case of a bargain purchase, the values assigned are reassessed. Any excess after that reassessment is recognised directly in the income statement.
Goodwill is initially determined based on provisional fair values. Fair values are finalised within 12 months of the acquisition date. Goodwill on acquisition of subsidiaries is separately disclosed and goodwill on acquisitions of associates and JCEs is included within investments in equity accounted units. Acquisitions of subsidiaries with non-controlling interests are described in note 1 (b).
In 1997 and previous years, goodwill was eliminated against reserves in the year of acquisition as a matter of accounting policy, as was then permitted under UK GAAP. Such goodwill was not reinstated under subsequent UK accounting standards or on transition to IFRS.
Goodwill is not amortised; rather it is tested annually for impairment. Goodwill is allocated to the cash generating unit or group of cash generating units expected to benefit from the related business combination for the purposes of impairment testing which is carried out in accordance with accounting policy note 1(i). Goodwill impairments cannot be reversed. Investments in equity accounted units are tested for impairment as a single asset. Goodwill included in the Group’s investment in equity accounted units is not tested on an annual basis therefore but only as part of the Group’s overall testing for impairment when a trigger for impairment has been identified.
Intangible assets acquired as part of an acquisition of a business are capitalised separately from goodwill if the asset is separable or arises from contractual or legal rights, and the fair value can be measured reliably on initial recognition.
Purchased intangible assets are initially recorded at cost and finite life intangible assets are amortised over their useful economic lives on a straight line or units of production basis, as appropriate. Intangible assets having indefinite lives and intangible assets that are not yet ready for use are not amortised and are reviewed annually for impairment in accordance with accounting policy note 1(i).
Intangible assets are considered to have indefinite lives when, based on an analysis of all of the relevant factors, there is no foreseeable limit to the period over which the asset is expected to generate cash flows for the Group. The factors considered in making this determination include the existence of contractual rights for unlimited terms; or evidence that renewal of the contractual rights without significant incremental cost can be expected for indefinite periods into the future in view of the Group’s future investment intentions. The life cycles of the products and processes that depend on the asset are also considered. Where amortisation is calculated on a straight line basis, the following useful lives have been determined for classes of intangible assets:
Trademark, patented and non-patented technology
Trademarks: 14 to 20 years
Patented and non-patented technology: 10 to 20 years
Other intangible assets
Internally generated intangible assets and computer software: 2 to 5 years
Other intangible assets: 2 to 20 years
Contract based intangible assets
Power contracts: 2 to 39 years
Other purchase and customer contracts: 5 to 15 years
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(f) Exploration and evaluation
Exploration and evaluation expenditure comprises costs that are directly attributable to:
  researching and analysing existing exploration data;
 
  conducting geological studies, exploratory drilling and sampling;
 
  examining and testing extraction and treatment methods; and/or
 
  compiling pre-feasibility and feasibility studies.
Exploration expenditure relates to the initial search for deposits with economic potential. Evaluation expenditure arises from a detailed assessment of deposits or other projects that have been identified as having economic potential. Expenditure on exploration activity is not capitalised.
Capitalisation of evaluation expenditure commences when there is a high degree of confidence in the project’s viability and hence it is probable that future economic benefits will flow to the Group.
The carrying values of capitalised evaluation amounts are reviewed twice per annum by management and the results of these reviews are reported to the Audit committee. In the case of undeveloped projects, there may be only mineralised material to form a basis for the impairment review. The review is based on a status report regarding the Group’s intentions for development of the undeveloped project. In some cases, the undeveloped projects are regarded as successors to orebodies, smelters or refineries currently in production. Where this is the case, it is intended that these will be developed and go into production when the current source of ore is exhausted or to replace the reduced output which results where existing smelters and/or refineries are closed. It is often the case that technological and other improvements will allow successor smelters and/or refineries to more than replace the capacity of their predecessors.
Subsequent recovery of the resulting carrying value depends on successful development or sale of the undeveloped project. If a project does not prove viable, all irrecoverable costs associated with the project net of any related impairment provisions are written off.
(g) Property, plant and equipment
Property, plant and equipment are stated at cost, less accumulated depreciation and accumulated impairment losses. The cost of property, plant and equipment comprises its purchase price, any costs directly attributable to bringing the asset to the location and condition necessary for it to be capable of operating in the manner intended by management and the estimated close down and restoration costs associated with the asset. Once a mining project has been established as commercially viable, expenditure other than that on land, buildings, plant and equipment is capitalised under “Mining properties and leases” together with any amount transferred from “Exploration and evaluation”.
In open pit mining operations, it is necessary to remove overburden and other waste materials to access ore from which minerals can be extracted economically. The process of mining overburden and waste materials is referred to as stripping. During the development of a mine (or pit), before production commences, stripping costs are capitalised as part of the investment in construction of the mine.
Costs associated with commissioning new assets, in the period before they are capable of operating in the manner intended by management, are capitalised. Development costs incurred after the commencement of production are capitalised to the extent they are expected to give rise to a future economic benefit. Interest on borrowings related to construction or development projects is capitalised until the point when substantially all the activities that are necessary to make the asset ready for its intended use are complete.
(h) Deferred stripping
As noted above, stripping costs incurred in the development of a mine (or pit) before production commences are capitalised as part of the cost of constructing the mine (or pit) and subsequently amortised over the life of the mine (or pit) on a units of production basis.

Where a mine operates several open pits that are regarded as separate operations for the purpose of mine planning, stripping costs are accounted for separately by reference to the ore from each separate pit. If, however, the pits are highly integrated for the purpose of mine planning, the second and subsequent pits are regarded as extensions of the first pit in accounting for stripping costs. In such cases, the initial stripping (ie overburden and other waste removal) of the second and subsequent pits is considered to be production phase stripping relating to the combined operation.
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Notes to the 2010 financial statements continued
 
1   Principal accounting policies continued
The Group’s determination of whether multiple pit mines are considered separate or integrated operations depends on each mine’s specific circumstances. The following factors would point towards the stripping costs for the individual pits being accounted for separately:
  If mining of the second and subsequent pits is conducted consecutively with that of the first pit, rather than concurrently.
 
  If separate investment decisions are made to develop each pit, rather than a single investment decision being made at the outset.
 
  If the pits are operated as separate units in terms of mine planning and the sequencing of overburden and ore mining, rather than as an integrated unit.
 
  If expenditures for additional infrastructure to support the second and subsequent pits are relatively large.
 
  If the pits extract ore from separate and distinct orebodies, rather than from a single orebody.
This additional factor would point to an integrated operation in accounting for stripping costs:
  If the designs of the second and subsequent pits are significantly influenced by opportunities to optimise output from the several pits combined, including the co-treatment or blending of the output from the pits.
The relative importance of each of the above factors is considered in each case to determine whether, on balance, the stripping costs should be attributed to the individual pit or to the combined output from the several pits.
The Group defers stripping costs incurred subsequently, during the production stage of its operations, for those operations where this is the most appropriate basis for matching the costs against the related economic benefits and the effect is material. This is generally the case where there are fluctuations in stripping costs over the life of the mine (or pit). The amount of stripping costs deferred is based on the ratio (“Ratio”) obtained by dividing the tonnage of waste mined either by the quantity of ore mined or by the quantity of minerals contained in the ore. In some operations, the quantity of ore is a more practical basis for matching costs with the related economic benefits where there are important co-products or where the grade of the ore is relatively stable from year to year. Stripping costs incurred in the period are deferred to the extent that the current period Ratio exceeds the life of mine (or pit) Ratio. Such deferred costs are then charged against reported profits to the extent that, in subsequent periods, the current period Ratio falls short of the life of mine (or pit) Ratio.
The life of mine (or pit) Ratio is based on proven and probable reserves of the mine (or pit). The life of mine (or pit) waste-to-ore Ratio is a function of the pit design(s) and therefore changes to that design will generally result in changes to the Ratio. Changes in other technical or economic parameters that impact on reserves will also have an impact on the life of mine (or pit) Ratio even if they do not affect the pit design(s). Changes to the life of mine (or pit) Ratio are accounted for prospectively.
In the production stage of some mines (or pits), further development of the mine (or pit) requires a phase of unusually high overburden removal activity that is similar in nature to pre-production mine development. The costs of such unusually high overburden removal activity are deferred and charged against reported profits in subsequent periods on a units of production basis. This accounting treatment is consistent with that for stripping costs incurred during the development phase of a mine (or pit), before production commences.
Deferred stripping costs are included in “Mining properties and leases” within property, plant and equipment or in “Investments in equity accounted units”, as appropriate. These form part of the total investment in the relevant cash generating unit, which is reviewed for impairment if events or changes in circumstances indicate that the carrying value may not be recoverable. Amortisation of deferred stripping costs is included in net operating costs or in the Group’s share of the results of its equity accounted units, as appropriate.
(i) Depreciation and impairment
Depreciation of non-current assets
Property, plant and equipment is depreciated over its useful life, or over the remaining life of the mine if shorter. Depreciation commences when an asset is available for use. The major categories of property, plant and equipment are depreciated on a units of production and/or straight line basis as follows:
Units of production basis
For mining properties and leases and certain mining equipment, the economic benefits from the asset are consumed in a pattern which is linked to the production level. Except as noted below, such assets are depreciated on a units of production basis.
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Straight line basis
Assets within operations for which production is not expected to fluctuate significantly from one year to another or which have a physical life shorter than the related mine are depreciated on a straight line basis as follows:
Land and Buildings
Land: Not depreciated

Buildings: 5 to 50 years
Plant and equipment
Other plant and equipment: 3 to 35 years
Power assets: 25 to 100 years
Capital work in progress: Not depreciated
Residual values and useful lives are reviewed, and adjusted if appropriate, at each statement of financial position date. Changes to the estimated residual values or useful lives are accounted for prospectively. In applying the units of production method, depreciation is normally calculated using the quantity of material extracted from the mine in the period as a percentage of the total quantity of material to be extracted in current and future periods based on proven and probable reserves and, for some mines, other mineralisation. Such non-reserve material may be included in depreciation calculations in limited circumstances and where there is a high degree of confidence in its economic extraction.
Development costs that relate to a discrete section of an orebody, and which only provide benefit over the life of those reserves, are depreciated over the estimated life of that discrete section. Development costs incurred which benefit the entire orebody are depreciated over the estimated life of the orebody.
Impairment of non-current assets
Property, plant and equipment and intangible assets with finite lives are reviewed for impairment if there is any indication that the carrying amount may not be recoverable. Impairment is assessed at the level of cash-generating units which, in accordance with IAS 36 “Impairment of Assets”, are identified as the smallest identifiable group of assets that generates cash inflows, which are largely independent of the cash inflows from other assets. In some cases, the business units within product groups consist of several operations with independent cash generating streams, which therefore constitute separate cash-generating units.
In addition, an impairment loss is recognised for any excess of carrying amount over the fair value less costs to sell of a non-current asset or disposal group held for sale.
Goodwill and intangible assets that are not yet ready for use or have an indefinite life are reviewed for impairment annually or at any time during the year if an indicator of impairment is identified. Goodwill acquired through business combinations is allocated to the cash-generating unit, or groups of cash-generating units that are expected to benefit from the related business combination. The cash-generating unit or groups of cash-generating units represent the lowest level within the Group at which goodwill is monitored for internal management purposes, and these groups are not larger than the reporting segments determined in accordance with IFRS 8 “Operating segments”.
When an impairment review is undertaken, the recoverable amount is assessed by reference to the higher of value in use (being the net present value of expected future cash flows of the relevant cash-generating unit in its current condition) and fair value less costs to sell (“fair value”). The best evidence of fair value is the value obtained from an active market or binding sale agreement. Where neither exists, fair value is based on the best information available to reflect the amount the Group could receive for the cash-generating unit in an arm’s length transaction. This is often estimated using discounted cash flow techniques.
Where recoverable amount is assessed using fair value based on discounted cash flow techniques, the resulting estimates are based on detailed “life of mine” and/or production plans. For value in use, recent cost levels are considered, together with expected changes in costs that are compatible with the current condition of the business and which meet the requirements of IAS 36.
The cash flow forecasts for fair value purposes are based on management’s best estimates of expected future revenues and costs, including the future cash costs of production, capital expenditure, closure, restoration and environmental clean up. These may include net cash flows expected to be realised from extraction, processing and sale of mineralised material that does not currently qualify for inclusion in proven or probable ore reserves. Such non-reserve material is included where there is a high degree of confidence in its economic extraction. This expectation is usually based on preliminary drilling and sampling of areas of mineralisation that are contiguous with existing reserves. Typically, the additional evaluation to achieve reserve status for such material has not yet been done because this would involve incurring costs earlier than is required for the efficient planning and operation of the mine.
As noted above, cost levels incorporated in the cash flow forecasts for fair value purposes are based on the current life-of-mine plan or long term production plan for the cash-generating unit. Because future cash flows are estimates for the asset in its current condition, value in use does not reflect future cash flows associated with improving or enhancing an asset’s performance. Anticipated enhancements to assets are included in fair value calculations.
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Notes to the 2010 financial statements continued
 
1   Principal accounting policies continued
Where the recoverable amount of a cash-generating unit is dependent on the life of its associated orebody, expected future cash flows reflect long term mine plans, which are based on detailed research, analysis and iterative modelling to optimise the level of return from investment, output and sequence of extraction. The mine plan takes account of all relevant characteristics of the orebody, including waste to ore ratios, ore grades, haul distances, chemical and metallurgical properties of the ore impacting on process recoveries and capacities of processing equipment that can be used. The life-of-mine plan is therefore the basis for forecasting production output in each future year and for forecasting production costs.
The useful lives of the major assets of a cash-generating unit are often dependent on the life of the orebody to which they relate. Where this is the case, the lives of mining properties, and their associated refineries, concentrators and other long lived processing equipment generally relate to the expected life of the orebody. The life of the orebody, in turn, is estimated on the basis of the life-of-mine plan. Where the major assets of a cash-generating unit are not dependent on the life of a related orebody, management applies judgment in estimating the remaining service potential of long lived assets. In the case of smelters, factors affecting the remaining service potential include smelter technology and electricity contracts when the power is not sourced from the company’s own electricity generating capacity.
Forecast cash flows for ore reserve estimation for Joint Ore Reserves Committee (JORC) purposes and for impairment testing are generally based on Rio Tinto’s long term price forecasts of commodity prices, which assume market prices will revert to the Group’s assessment of the long term price, generally over a period of three to five years. These long term commodity prices, for most commodities, are derived from a combination of analyses of the marginal costs of the producers and of the incentive price of these commodities. These assessments often differ from current price levels and are updated periodically. For the long run, the Group does not believe that forward prices quoted in the metals markets provide a good indication of future price levels since forward prices tend to be strongly influenced by spot price levels.
In some cases, prices applying to some part of the future sales volumes of a cash-generating unit are predetermined by existing sales contracts. The effects of such contracts are taken into account in forecasting future cash flows.
The discount rates applied to the future cash flow forecasts represent an estimate of the rate the market would apply having regard to the time value of money and the risks specific to the asset for which the future cash flow estimates have not been adjusted. The Group’s weighted average cost of capital is used as a starting point for determining the discount rates, with appropriate adjustments for the risk profile of the countries in which the individual cash-generating units operate. For final feasibility studies and ore reserve estimation, internal hurdle rates are used which are generally higher than the weighted average cost of capital.
For operations with a functional currency other than the US dollar, the impairment review is undertaken in the relevant functional currency. The great majority of the Group’s sales are based on prices denominated in US dollars. To the extent that the currencies of countries in which the Group produces commodities strengthen against the US dollar without commodity price offset, cash flows and, therefore, net present values are reduced.
Management considers that over the long term, there is a tendency for movements in commodity prices to compensate to some extent for movements in the value of the US dollar (and vice versa). However, such compensating changes are not synchronised and do not fully offset each other. In estimating fair value, a forecast of the long term exchange rates, for the Australian and Canadian dollars, is made having regard to spot exchange rates, historical data and external forecasts, and is linked to price assumptions.
When calculating value in use, IAS 36 requires that calculations should be based on exchange rates current at the time of the assessment.
Non financial assets other than goodwill that have suffered an impairment are tested for possible reversal of the impairment whenever events or changes in circumstances indicate that the impairment may have reversed.
All goodwill and intangible assets that are not yet ready for use or have an indefinite life are tested annually for impairment regardless of whether there has been any change in events or circumstances.
(j) Determination of ore reserve estimates
The Group estimates its ore reserves and mineral resources based on information compiled by Competent Persons as defined in accordance with the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves of December 2004 (“the JORC code”). Reserves, and for certain mines, other mineral resources, determined in this way are used in the calculation of depreciation, amortisation and impairment charges, the assessment of life of mine stripping ratios and for forecasting the timing of the payment of close down and restoration costs and clean up costs.
For the purposes of this combined Annual report on Form 20-F estimates of ore reserves have been computed in accordance with the SEC’s Industry Guide 7, rather than in accordance with the JORC code, and are shown on pages 84 to 93. Ore reserves presented in accordance with SEC Industry Guide 7 do not exceed the quantities that, it is estimated, could be extracted economically if future prices were to be in line with the average of historical prices for the three years to 30 June 2010, or contracted prices where applicable. For this purpose, contracted prices are applied only to future sales volumes for which the price is predetermined by an existing contract; and the average of historical prices is applied to expected sales volumes in excess of such amounts. Moreover, reported ore reserve estimates have not been increased above the levels expected to be economic based on Rio Tinto’s own long term price assumptions. Therefore, a reduction in commodity prices from the three year average historical price levels would not necessarily give rise to a reduction in reported ore reserves.
In assessing the life of a mine for accounting purposes, mineralisation is only taken into account where there is a high degree of confidence of economic extraction.
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(k) Provisions and contingencies
The Group holds provisions for close down and restoration costs which include the dismantling and demolition of infrastructure and the removal of residual materials and remediation of disturbed areas. Close down and restoration costs are a normal consequence of mining, and the majority of close down and restoration expenditure is incurred at the end of the life of the mine. Although the ultimate cost to be incurred is uncertain, the Group’s businesses estimate their respective costs based on feasibility and engineering studies using current restoration standards and techniques.
Estimated close down and restoration costs are provided for in the accounting period when the obligation arising from the related disturbance occurs, whether this occurs during the mine development or during the production phase, based on the net present value of estimated future costs. Provisions for close down and restoration costs do not include any additional obligations which are expected to arise from future disturbance. The costs are estimated on the basis of a closure plan. The cost estimates are updated annually during the life of the operation to reflect known developments, eg revisions to cost estimates and to the estimated lives of operations, and are subject to formal review at regular intervals.
The initial closure provision together with other movements in the provisions for close down and restoration costs, including those resulting from new disturbance, updated cost estimates, changes to the estimated lives of operations and revisions to discount rates are capitalised within property, plant and equipment. These costs are then depreciated over the lives of the assets to which they relate.
The amortisation or “unwinding” of the discount applied in establishing the net present value of provisions is charged to the income statement in each accounting period. The amortisation of the discount is shown as a financing cost, rather than as an operating cost.
Where rehabilitation is conducted systematically over the life of the operation, rather than at the time of closure, provision is made for the estimated outstanding continuous rehabilitation work at each statement of financial position date and the cost is charged to the income statement.
Clean up costs result from environmental damage that was not a necessary consequence of mining, including remediation, compensation and penalties. Provision is made for the estimated present value of the costs of environmental clean up obligations outstanding at the statement of financial position date. These costs are charged to the income statement. Movements in the environmental clean up provisions are presented as an operating cost, except for the unwinding of the discount which is shown as a financing cost. Remediation procedures may commence soon after the time of the disturbance, remediation process and estimated remediation costs become known, but can continue for many years depending on the nature of the disturbance and the remediation techniques.
Other provisions and liabilities are recognised in the period when it becomes probable that there will be a future outflow of funds resulting from past operations or events and the amount of cash outflow and timing can be reliably estimated. The timing of recognition and quantification of the liability requires the application of judgment to existing facts and circumstances, which can be subject to change. A change in estimate of a recognised provision or liability would result in a charge or credit to net income in the period in which the change occurs, with the exception of close down and restoration costs described above.
If the effect of the time value of money is material, provisions are determined by discounting the expected future cash flows at a pre-tax rate that reflects current market assessments of the time value of money. Where discounting is used, the increase in the provision due to the passage of time is recognised within finance costs.
Contingent liabilities are possible obligations whose existence will only be confirmed by future events not wholly within the control of the Group. Contingent liabilities are not recognised in the financial statements but are disclosed unless the possibility of an outflow of economic resources is considered remote.
(l) Inventories
Inventories are valued at the lower of cost and net realisable value, primarily on a weighted average cost basis. Average costs are calculated by reference to the cost levels experienced in the current month together with those in opening inventory. Cost for raw materials and stores is purchase price and for partly processed and saleable products is generally the cost of production. For this purpose the costs of production include:
  labour costs, materials and contractor expenses which are directly attributable to the extraction and processing of ore;
 
  the depreciation of mining properties and leases and of property, plant and equipment used in the extraction and processing of ore; and
 
  production overheads.
Stockpiles represent ore that has been extracted and is available for further processing. If there is significant uncertainty as to when the stockpiled ore will be processed it is expensed as incurred. Where the future processing of this ore can be predicted with confidence, eg because it exceeds the mine’s cut off grade, it is valued at the lower of cost and net realisable value. If the ore will not be processed within the 12 months after the statement of financial position date it is included within non-current assets and net realisable value is calculated on a discounted cash flow basis. Work in progress inventory includes ore stockpiles and other partly processed material. Quantities are assessed primarily through surveys and assays.
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Notes to the 2010 financial statements continued
 
1   Principal accounting policies continued
(m) Taxation
Current tax is the tax expected to be payable on the taxable income for the year calculated using rates that have been enacted or substantively enacted by the statement of financial position date. It includes adjustments for tax expected to be payable or recoverable in respect of previous periods.
Temporary differences are the difference between the carrying value of an asset or liability and its tax base. Full provision is made for deferred taxation on all temporary differences existing at the statement of financial position date with certain limited exceptions. The main exceptions to this principle are as follows:
  tax payable on the future remittance of the past earnings of subsidiaries, associates and jointly controlled entities is provided for except where the Group is able to control the remittance of profits and it is probable that there will be no remittance in the foreseeable future;
 
  deferred tax is not provided on the initial recognition of an asset or liability in a transaction that does not affect accounting profit or taxable profit and is not a business combination, such as on the recognition of a provision for close down and restoration costs and the related asset or on the recognition of new finance leases. Furthermore, with the exception of the unwinding of discount, deferred tax is not recognised on subsequent changes in the carrying value of such assets and liabilities, for example where the related assets are depreciated or finance leases are repaid; and
 
  deferred tax assets are recognised only to the extent that it is probable that they will be recovered. Probable is defined as “more likely than not”. Recoverability is assessed having regard to the reasons why the deferred tax asset has arisen and projected future taxable profits for the relevant entity (or group of entities).
Deferred tax is provided in respect of fair value adjustments on acquisitions. These adjustments may relate to assets such as mining rights that, in general, are not eligible for income tax allowances. In such cases, the provision for deferred tax is based on the difference between the carrying value of the asset and its nil income tax base. The existence of a tax base for capital gains tax purposes is not taken into account in determining the deferred tax provision relating to such mineral rights because it is expected that the carrying amount will be recovered primarily through use and not from the disposal of mineral rights. Also, the Group is only entitled to a deduction for capital gains tax purposes if the mineral rights are sold or formally relinquished.
Current and deferred tax relating to items recognised directly in equity are recognised in equity and not in the income statement.
(n) Post employment benefits
For defined benefit post employment plans, the difference between the fair value of the plan assets (if any) and the present value of the plan liabilities is recognised as an asset or liability on the statement of financial position.
Any asset recognised is restricted, if appropriate, to the present value of any amounts the Group expects to recover by way of refunds from the plan or reductions in future contributions. Actuarial gains and losses arising in the year are taken to the statement of comprehensive income. For this purpose, actuarial gains and losses comprise both the effects of changes in actuarial assumptions and experience adjustments arising because of differences between the previous actuarial assumptions and what has actually occurred.
Other movements in the net surplus or deficit are recognised in the income statement, including the current service cost, any past service cost and the effect of any curtailment or settlements. The interest cost less the expected return on assets is also charged to the income statement. The amount charged to the income statement in respect of these plans is included within operating costs or in the Group’s share of the results of equity accounted units as appropriate.
The most significant assumptions used in accounting for pension plans are the long term rate of return on plan assets, the discount rate and the mortality assumptions. The long term rate of return on plan assets is used to calculate interest income on pension assets, which is credited to the Group’s income statement. The discount rate is used to determine the net present value of future liabilities. The discount rate used is the yield on high quality corporate bonds with maturity and terms that match those of the post employment obligations as closely as possible. Where there is no developed corporate bond market in a country, the rate on government bonds is used. Each year, the unwinding of the discount on those liabilities is charged to the Group’s income statement as the interest cost. The mortality assumption is used to project the future stream of benefit payments, which is then discounted to arrive at a net present value of liabilities.
Valuations of liabilities are carried out using the projected unit method. The long term rate of return on pension plan assets is determined as management’s best estimate of the long term return on the major asset classes, ie equity, debt, property and other, weighted by the actual allocation of assets among the categories at the measurement date. The expected rate of return is calculated using geometric averaging.
The values attributed to plan liabilities and the long term rate of return are assessed in accordance with the advice of independent qualified actuaries.
The Group’s contributions to defined contribution pension plans are charged to the income statement in the period to which the contributions relate.
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(o) Cash and cash equivalents
For the purposes of the statement of financial position, cash and cash equivalents comprise cash on hand, deposits held on call with banks and short term, highly liquid investments that are readily convertible into known amounts of cash and which are subject to insignificant risk of changes in value. For the purposes of the cash flow statement, cash and cash equivalents are net of bank overdrafts that are repayable on demand which are shown as current liabilities on the statement of financial position.
(p) Financial instruments
(i) Financial assets
The Group classifies its financial assets in the following categories: at fair value through profit or loss, loans and receivables, available-for-sale and held to maturity investments. The classification depends on the purpose for which the financial assets were acquired. Management determines the classification of financial assets at initial recognition.
(a) Financial assets at fair value through profit or loss
Derivatives are included in this category unless they are designated as hedges. Assets in this category are classified based on their maturity.
Generally, the Group does not acquire financial assets for the purpose of selling in the short term. Financial assets carried at fair value through profit or loss are initially recognised at fair value and transaction costs are expensed in the income statement.
(b) Loans and receivables
Loans and receivables comprise non-derivative financial assets with fixed or determinable payments that are not quoted in an active market, with the exception of items for which the Group may not recover substantially all of its investment for reasons other than credit deterioration, which are classified as available-for-sale. Loans and receivables are classified as current assets or non-current assets based on their maturity date. Loans and receivables are included within “other financial assets” in the statement of financial position. Loans and receivables are carried at amortised cost less any impairment.
(c) Available-for-sale financial assets
Available-for-sale financial assets are non-derivatives that are either designated as available-for-sale or not classified in any of the other categories. They are included in non-current assets unless the Group intends to dispose of the investment within 12 months of the statement of financial position date.
Changes in the fair value of available-for-sale financial assets denominated in a currency other than the functional currency of the holder other than equity investments, are analysed between translation differences and other changes in the carrying amount of the security. The translation differences are recognised in profit or loss. Any impairment charges are also recognised in profit or loss, while other changes in fair value are recognised in equity.
When financial assets classified as available-for-sale are sold, the accumulated fair value adjustments recognised in equity are included in the income statement within “net operating costs”.
Dividends on available-for-sale equity instruments are also recognised in the income statement within “interest receivable and similar income” when the Group’s right to receive payments is established.
Financial assets not carried at fair value through profit and loss are initially recognised on the trade date at fair value plus transaction costs.
Financial assets are derecognised when the investments mature or are sold, and substantially all the risks and rewards of ownership have been transferred.
(ii) Financial liabilities
Borrowings and other financial liabilities (excluding derivative liabilities) are recognised initially at fair value, net of transaction costs incurred and are subsequently stated at amortised cost. Any difference between the amounts originally received (net of transaction costs) and the redemption value is recognised in the income statement over the period to maturity using the effective interest method.
Borrowings and other financial liabilities are classified as current liabilities unless the Group has an unconditional right to defer settlement of the liability for at least 12 months after the statement of financial position date.
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Notes to the 2010 financial statements continued
 
1     Principal accounting policies continued
(iii) Derivative financial instruments and hedge accounting
The Groups policy with regard to “Financial risk management” is set out in note 33. When the Group enters into derivative contracts these transactions are designed to reduce exposures related to assets and liabilities, firm commitments or anticipated transactions.
Commodity based contracts that meet the definition of a derivative in IAS 39 but are entered into in accordance with the Groups expected purchase or sales requirements are recognised in earnings as described in note 1(c), Sales revenue.
All other derivatives are initially recognised at their fair value on the date the derivative contract is entered into and transaction costs are expensed in the income statement. They are subsequently re-measured subject to IAS 39 at their fair value at each statement of financial position date. The method of recognising the resulting gain or loss depends on whether or not the derivative is designated as a hedging instrument and, if so, the nature of the item being hedged. The Group designates certain derivatives as either hedges of the fair value of recognised assets or liabilities or of firm commitments (fair value hedges) or hedges of highly probable forecast transactions (cash flow hedges).
At the inception of a hedge relationship, the Group formally designates and documents the hedge relationship to which the Group wishes to apply hedge accounting and the risk management objective and strategy for undertaking the hedge. The documentation includes identification of the hedging instrument, the hedged item or transaction, the nature of the risk being hedged and how the entity will assess the hedging instruments effectiveness in offsetting the exposure to changes in the hedged items fair value or cash flows attributable to the hedged risk.
Hedges that are expected to be highly effective in achieving offsetting changes in fair value or cash flows are assessed on an ongoing basis to determine that they actually have been highly effective throughout the financial reporting periods for which they were designated.
Fair value hedges: Changes in the fair value of derivatives that are designated and qualify as fair value hedges are recorded in the income statement, together with any changes in the fair value of the hedged asset or liability or firm commitment that is attributable to the hedged risk. Where derivatives are held with different counterparties or with the same counterparty with no intention to settle net to the underlying asset or liability or firm commitment, the fair values of the derivative assets and liabilities are shown separately in the statement of financial position as there is no legal right of offset. The gain or loss relating to the effective portion of interest rate swaps hedging fixed rate borrowings is recognised in the income statement within “interest payable and similar charges”.
When a fair value interest rate hedging instrument expires or is sold, or when a fair value interest rate hedge no longer meets the criteria for hedge accounting, the fair value adjustments which have been made to the hedged item are amortised through the income statement over the remaining life of the hedged item or written off immediately where the hedged item is derecognised.
Cash flow hedges: The effective portion of changes in the fair value of derivatives that are designated and qualify as cash flow hedges is recognised in equity. The gain or loss relating to the ineffective portion is recognised immediately in the income statement within “net operating costs”. Amounts accumulated in equity are recycled in the income statement in the period when the hedged item affects profit or loss, for example when the forecast sale that is being hedged takes place. The realised gain or loss relating to the effective portion of forward foreign exchange or commodity contracts hedging sales is recognised in the income statement within “sales revenue”. When the forecast transaction that is being hedged results in the recognition of a non-financial asset the gains and losses previously deferred in equity are transferred from equity and adjust the cost of the asset. The gains and losses are recognised subsequently in the income statement within “net operating costs” when the non-financial asset is amortised.
When a cash flow hedging instrument expires or is sold, or when a cash flow hedge no longer meets the criteria for hedge accounting, although the forecasted transaction is still expected to occur, any cumulative gain or loss relating to the instrument which is held in equity at that time remains in equity and is recognised when the forecast transaction is ultimately recognised in the income statement. When a forecast transaction is no longer expected to occur, the cumulative gain or loss that was reported in equity is immediately transferred to the income statement.
Derivatives that do not qualify for hedge accounting: Any derivative contracts that do not qualify for hedge accounting are marked to market at the statement of financial position date.
In respect of currency swaps, the gain or loss on the swap and offsetting gain or loss on the financial asset or liability against which the swap forms an economic hedge are shown in separate lines in the income statement within the lines “net gains/(losses) on derivatives not qualifying for hedge accounting” and “net exchange gains/(losses) on external debt and intragroup balances”.
In respect of other derivatives, the mark to market may give rise to charges or credits to the income statement in periods before the transaction against which the derivative is held as an economic hedge is recognised. These charges or credits would be recognised in the line “net gains/(losses) on derivatives not qualifying for hedge accounting”.
Embedded derivatives: Derivatives embedded in other financial instruments or other host contracts are treated as separate derivatives when their risks and characteristics are not closely related to their host contracts. In some cases, the embedded derivatives may be designated as hedges and will be accounted for as described above.
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(iv) Fair value
Fair value is the amount at which a financial instrument could be exchanged in an arm’s length transaction between informed and willing parties. Where relevant market prices are available, these have been used to determine fair values. In other cases, fair values have been calculated using quotations from independent financial institutions, or by using valuation techniques consistent with general market practice applicable to the instrument.
(a)   The fair values of cash, short term borrowings and loans to joint ventures and associates approximate to their carrying values, as a result of their short maturity or because they carry floating rates of interest.
 
(b)   The fair values of medium and long term borrowings are calculated as the present value of the estimated future cash flows using quoted prices in active markets or an appropriate market based yield curve. The carrying value of the borrowings is amortised cost.
 
(c)   Derivative financial assets and liabilities are carried at fair value based on published price quotations for the period for which a liquid active market exists. Beyond this period, the Group’s own assumptions are used.
The fair values of the various derivative instruments used for hedging purposes are disclosed in note 34. Movements on the hedging reserve are disclosed within note 30.
(v) Impairment of financial assets
Available-for-sale financial assets
The Group assesses at each statement of financial position date whether there is objective evidence that a financial asset or a group of financial assets is impaired. In the case of equity securities classified as available-for-sale, an evaluation is made as to whether a decline in fair value is “significant” or “prolonged” based on an analysis of indicators such as significant adverse changes in the technological, market, economic or legal environment in which the company invested in operates.
If an available-for-sale financial asset is impaired, an amount comprising the difference between its cost (net of any principal payment and amortisation) and its current fair value, less any impairment loss previously recognised in the income statement is transferred from equity to the income statement. Reversals in respect of equity instruments classified as available-for-sale are not recognised in the income statement. Reversals of impairment losses on debt instruments are reversed through the income statement, if the increase in fair value of the instrument can be objectively related to an event occurring after the impairment loss was recognised.
(vi) Derecognition of financial assets and liabilities
Financial assets
A financial asset is derecognised when the contractual rights to the cash flows that comprise the financial asset expire or substantially all the risks and rewards of the asset are transferred.
Financial liabilities
A financial liability is derecognised when the obligation under the liability is discharged, cancelled or expired. Gains and losses on derecognition are recognised within finance income and finance costs respectively.
Where an existing financial liability is replaced by another from the same lender on substantially different terms, or the terms of an existing liability are substantially modified, such an exchange or modification is treated as a derecognition of the original liability and the recognition of a new liability, and the difference in the respective carrying amounts is recognised in the income statement.
(vii) Trade receivables
Trade receivables are recognised initially at fair value and are subsequently measured at amortised cost reduced by any provision for impairment.
A provision for impairment of trade receivables is established when there is objective evidence that the Group will not be able to collect all amounts due. Indicators of impairment would include financial difficulties of the debtor, likelihood of the debtor’s insolvency, default in payment or a significant deterioration in credit worthiness. Any impairment is recognised in the income statement within “net operating costs”.
When a trade receivable is uncollectable, it is written off against the allowance account. Subsequent recoveries of amounts previously written off are credited against “net operating costs” in the income statement.
(viii) Trade payables
Trade payables are recognised initially at fair value and subsequently measured at amortised cost using the effective interest method.
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Notes to the 2010 financial statements continued
 
1     Principal accounting policies continued
(q) Share based payments
The fair value of cash-settled share plans is recognised as a liability over the vesting period of the awards. Movements in that liability between accounting dates are recognised as an expense. The grant date fair value of the awards is determined from the market value of the shares at the date of award and adjusted for any market based vesting conditions attached to the award eg relative Total Shareholder Return (TSR) performance. Fair values are subsequently re-measured at each accounting date to reflect the market value of shares at the measurement date and, where relevant, the number of awards expected to vest based on the current and anticipated TSR performance. If any awards are ultimately settled in shares, the liability is transferred directly to equity as part of the consideration for the equity instruments issued.
The Group’s equity-settled share plans are settled either by the issue of shares by the relevant parent company, by the purchase of shares on market or by the use of shares previously acquired as part of a share buy back. The fair value of the share plans is recognised as an expense over the expected vesting period with a corresponding entry to retained earnings for Rio Tinto plc plans and to other reserves for Rio Tinto Limited plans.
If the cost of shares acquired to satisfy the plans exceeds the expense charged, the excess is taken to the appropriate reserve. The fair value of the share plans is determined at the date of grant, taking into account any market based vesting conditions attached to the award (eg TSR).
The Group uses fair values provided by independent actuaries calculated using a lattice based option valuation model.
Non-market based vesting conditions (eg earnings per share targets) are taken into account in estimating the number of awards likely to vest. The estimate of the number of awards likely to vest is reviewed at each statement of financial position date up to the vesting date, at which point the estimate is adjusted to reflect the actual awards issued. No adjustment is made after the vesting date even if the awards are forfeited or not exercised.
The terms of each plan are considered at the statement of financial position date. If a cash-settled plan changes to become equity-settled then the accumulated liability is transferred directly to equity at the date of change.
Further information about the treatment of individual share based payment plans is provided in note 49.
(r) Share capital
Ordinary shares are classified as equity. Incremental costs directly attributable to the issue of new shares or options are shown in equity as a deduction, net of tax, from the proceeds.
Where any group company purchases the Group’s equity share capital (treasury shares), the consideration paid, including any directly attributable incremental costs (net of income taxes) is deducted from equity attributable to owners of Rio Tinto. Where such shares are subsequently reissued, any consideration received, net of any directly attributable incremental transaction costs and the related income tax effects, is included in equity attributable to owners of Rio Tinto.
(s) Contingent assets
Contingent assets are not recognised in the financial statements but they are disclosed by way of note if they are deemed probable.
Critical accounting policies and estimates
(i) Dual listed company reporting
As explained in detail in the “Outline of dual listed companies’ structure and basis of financial statements” section on page 162, the consolidated financial statements of the Rio Tinto Group deal with the results, assets and liabilities of both of the dual listed companies, Rio Tinto plc and Rio Tinto Limited, and their subsidiaries. In other words, Rio Tinto plc and Rio Tinto Limited are viewed as a single parent company with their respective shareholders being the shareholders in that single company.
The 2010 Annual report satisfies the obligations of Rio Tinto Limited to prepare consolidated accounts under Australian company law, as amended by an order issued by the Australian Securities and Investments Commission on 22 December 2010. The 2010 financial statements disclose the effect of the adjustments to consolidated IFRS profit, consolidated total comprehensive income and consolidated shareholdersfunds for the Group that would be required under the Australian Accounting Standards (AAS).
The US dollar is the presentation currency used in these financial statements, as it most reliably reflects the Group’s global business performance.
(ii) Impairment review of asset carrying values
Events or changes in circumstances can give rise to significant impairment charges or reversals of impairment in a particular year.
Where the recoverable amounts of Group cash generating units are assessed by analyses of discounted cash flows, the resulting valuations are particularly sensitive to changes in estimates of long term commodity prices including the impact of carbon pricing on certain commodities, exchange rates, operating costs, the grouping of assets within cash-generating units and discount rates.
 


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(iii) Estimation of asset lives and determination of ore reserve estimates
Intangible assets are considered to have indefinite lives when, based on an analysis of all of the relevant factors, there is no foreseeable limit to the period over which the asset is expected to generate cash flows for the Group. The factors considered in making this determination include the existence of contractual rights for unlimited terms; or evidence that renewal of the contractual rights without significant incremental cost can be expected for indefinite periods into the future in view of the Group’s future investment intentions.
Rio Tinto estimates its ore reserves and mineral resources based on information compiled by Competent Persons as defined in accordance with the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves of December 2004 (“the JORC code”). The amounts presented under IFRS and AAS are based on the reserves, and in some cases mineral resources, determined under the JORC code.
For the purposes of this combined Annual report on Form 20-F estimates of ore reserves have been computed in accordance with the SEC’s Industry Guide 7, rather than in accordance with the JORC code, and are shown on pages 84 to 93. Ore reserves presented in accordance with SEC Industry Guide 7 do not exceed the quantities that, it is estimated, could be extracted economically if future prices were to be in line with the average of historical prices for the three years to 30 June 2010, or contracted prices where applicable. For this purpose, contracted prices are applied only to future sales volumes for which the price is predetermined by an existing contract; and the average of historical prices is applied to expected sales volumes in excess of such amounts. Moreover, reported ore reserve estimates have not been increased above the levels expected to be economic based on Rio Tinto’s own long term price assumptions. Therefore, a reduction in commodity prices from the three year average historical price levels would not necessarily give rise to a reduction in reported ore reserves.
There are numerous uncertainties inherent in estimating ore reserves and assumptions that are valid at the time of estimation may change significantly when new information becomes available.
Changes in the forecast prices of commodities, exchange rates, production costs or recovery rates may change the economic status of reserves and may, ultimately, result in the reserves being restated. Such changes in reserves could impact on depreciation and amortisation rates, asset carrying values, deferred stripping calculations and provisions for close down and restoration costs.
(iv) Close down, restoration and clean up obligations
Provision is made for environmental remediation costs when the related environmental disturbance occurs, based on the net present value of estimated future costs.
The ultimate cost of environmental disturbance is uncertain and cost estimates can vary in response to many factors including changes to the relevant legal requirements, the emergence of new restoration techniques or experience at other mine sites.
The expected timing of expenditure can also change, for example in response to changes in ore reserves or production rates or economic conditions. As a result there could be significant adjustments to the provision for close down and restoration, which would affect future financial results.
(v) Deferral of stripping costs
Stripping of waste materials takes place throughout the production stage of the mine or pit. Some mining companies expense these production stage stripping costs as incurred, while others defer such stripping costs. In operations that experience material fluctuations in the ratio of waste materials to ore or contained minerals on a year to year basis over the life of the mine or pit, deferral of stripping costs reduces the volatility of the cost of stripping expensed in individual reporting periods. Those mining companies that expense stripping costs as incurred will therefore report greater volatility in the results of their operations from period to period.
The life of mine or pit waste-to-ore ratio is a function of an individual mine’s pit design and therefore changes to that design will generally result in changes to the ratio. Changes in other technical or economic parameters that impact on reserves will also have an impact on the life of mine or pit ratio even if they do not affect the pit design. Changes to the life of mine or pit ratio are accounted for prospectively.
The Group’s determination of whether multiple pit mines are considered separate or integrated operations depends on each mine’s specific circumstances and the analysis requires judgment; another company could make the determination that a mine is separate or integrated differently than the Group, even if the fact pattern appears to be similar. To the extent the determination is different, the resulting accounting would also be different.
During 2010, production stage stripping costs incurred by subsidiaries and equity accounted operations were US$123 million higher than the amounts charged against pre-tax profit (2009: production stage costs exceeded the amounts charged against pre tax profit by US$174 million; 2008: production stage costs exceeded the amounts charged against pre-tax profit by US$175 million).
There was no impairment of deferred stripping in 2010. In 2009, US$59 million (2008: nil) of deferred stripping was written off as part of the Diamonds businesses impairment.
The net book value carried forward in property, plant and equipment and in investments in jointly controlled entities and associates at 31 December 2010 was US$1,298 million (2009: US$1,171 million; 2008: US$1,026 million).
Information about the stripping ratios of the business units, including equity accounted units that account for the majority of the deferred stripping balance at 31 December 2010, along with the year in which deferred stripping is expected to be fully amortised, is set out in the following table:
                                                 
    Actual stripping ratio for year   Life of mine stripping ratio
    2010     2009     2008     2010     2009     2008  
           
Kennecott Utah Copper (2019) (a)
    2.09       2.13       1.98       1.48       1.21       1.24  
Grasberg Joint Venture (2016) (a)
    4.15       3.42       3.27       3.13       3.00       2.87  
Diavik (2012) (b)
    1.21       1.17       1.23       0.95       1.02       1.20  
Escondida (2043) (c)
    0.13       0.11       0.12       0.14       0.14       0.10  
 
 
(a)   Stripping ratios shown are waste to ore.
 
(b)   Diavik’s stripping ratio is disclosed as bench cubic metre per carat. The 2010 deferred stripping ratio is based on commercial production of the A418 open pit scheduled to end commercial production in the last quarter of 2012.
 
(c)   Escondida’s stripping ratio is based on waste tonnes to pounds of copper mined.
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Notes to the 2010 financial statements continued
 
1     Principal accounting policies continued
Rio Tinto Borax capitalised stripping costs as part of a distinct period of new development during the production stage of the mine. Capitalisation stopped in 2004. The capitalised costs will be fully amortised in 2034.
(vi) Recognition of deferred tax on mineral rights recognised in acquisitions
On transition to IFRS with effect from 1 January 2004, deferred tax was provided in respect of fair value adjustments on acquisitions in previous years. No other adjustments were made to the assets and liabilities recognised in such prior year acquisitions and, accordingly, shareholders’ funds were reduced by US$720 million on transition to IFRS primarily as a result of deferred tax on fair value adjustments to mining rights. In general, these mining rights are not eligible for income tax allowances. In such cases, the provision for deferred tax was based on the difference between their carrying value and their nil income tax base. The existence of a tax base for capital gains tax purposes was not taken into account in determining the deferred tax provision relating to such mineral rights because it is expected that the carrying amount will be recovered primarily through use and not from the disposal of the mineral rights. Also, the Group is only entitled to a deduction for capital gains tax purposes if the mineral rights are sold or formally relinquished.
For acquisitions after 1 January 2004, provision for such deferred tax on acquisition results in a corresponding increase in the amounts attributed to goodwill under IFRS.
(vii) Capitalisation of exploration and evaluation costs
Under the Group’s accounting policy, exploration and evaluation expenditure is not capitalised until the point is reached at which there is a high degree of confidence in the project’s viability and it is considered probable that future economic benefits will flow to the Group.
Subsequent recovery of the resulting carrying value depends on successful development or sale of the undeveloped project. If a project does not prove viable, all irrecoverable costs associated with the project net of any related impairment provisions are written off.
(viii) Identification of functional currencies
The functional currency for each entity in the Group, and for jointly controlled entities and associates, is the currency of the primary economic environment in which it operates. Determination of functional currency involves significant judgment and other mining companies may make different judgments based on similar facts. For many of Rio Tinto’s entities, this is the currency of the country in which they operate. The Group reconsiders the functional currency of its entities if there is a change in the underlying transactions, events and conditions which determine their primary economic environment.
The determination of functional currency affects the carrying value of non-current assets included in the statement of financial position and, as a consequence, the amortisation of those assets included in the income statement. It also impacts exchange gains and losses included in the income statement.
(ix) The definition of Underlying earnings
The Group presents “Underlying earnings” as an additional measure to provide greater understanding of the underlying business performance of its operations. The adjustments made to net earnings to arrive at Underlying earnings are explained in note 2.
(x) Estimation of liabilities for post retirement costs
The difference between the fair value of the plan assets (if any) of post retirement plans and the present value of the plan obligations is recognised as an asset or liability on the statement of financial position. The Group has adopted the option under IAS 19 to record actuarial gains and losses directly in the Group’s statement of comprehensive income.
The sources used to determine management’s best estimate of long term returns are numerous and include country specific bond yields, which may be derived from the market using local bond indices or by analysis of the local bond market, and country specific inflation and investment market expectations derived from market data and analysts’ or governments’ expectations as applicable.
In particular, the Group estimates long term expected returns on equity based on the economic outlook, analysts’ views and those of other market commentators. This is the most subjective of the assumptions used and it is reviewed regularly to ensure that it remains consistent with best practice.
Details of the key assumptions are set out in note 50.
For 2010 the charge against income for post retirement benefits net of tax and non-controlling interests was US$437 million. This charge included both pension and post retirement healthcare benefits. The charge is net of the expected return on assets which was US$531 million after tax and non-controlling interests.
In calculating the 2010 expense, the average future increase in compensation levels was assumed to be 3.6 per cent and this will increase to 3.7 per cent for 2011. The average discount rate used was 5.8 per cent and the average discount rate used in 2011 will be 5.2 per cent reflecting the net impact of changes in corporate bond yields in the regions where the Group has pension obligations.
The weighted average expected long term rate of return on assets used to determine 2010 pension cost was 6.4 per cent. This will decrease to 5.9 per cent for 2011. This decrease results mainly from lower government bond yields in most territories which drives the assumed return on other asset classes.
 


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Based on the known changes in assumptions noted above and other expected circumstances, the impact of post retirement costs on the Group’s IFRS net earnings in 2011 would be an expected increase of US$29 million to US$466 million. The actual charge may be impacted by other factors that cannot be predicted, such as the effect of changes in benefits and exchange rates.
The table below sets out the potential change in the Group’s 2010 net earnings (after tax and outside interests) that would result from hypothetical changes to post retirement assumptions and estimates. The sensitivities are viewed for each assumption in isolation although a change in one assumption is likely to result in some offset elsewhere.
The figures in the below table only show the impact on underlying and net earnings. Changing the assumptions would also have an impact on the statement of financial position.
         
US$m        
 
Sensitivity of Group’s 2010 net earnings to changes in:
       
Expected return on assets
       
increase of 1 percentage point
    82  
decrease of 1 percentage point
    (82 )
Discount rate
       
increase of 0.5 percentage points
    7  
decrease of 0.5 percentage points
    (6 )
Salary increases
       
increase of 0.5 percentage points
    (9 )
decrease of 0.5 percentage points
    9  
Demographic – allowance for additional future mortality improvements
       
participants assumed to have the mortality rates of individuals who are one year older
    18  
participants assumed to have the mortality rates of individuals who are one year younger
    (18 )
 
(xi) Recoverability of potential deferred tax assets
The Group has carried forward losses, mainly in the UK, French, Canadian and Australian tax groups, that have the potential to reduce tax payments in future years. Deferred tax assets have been recognised on these tax losses to the extent their recovery is probable, having regard to the projected future taxable profits of the relevant tax groups.
The “possible tax assets” on these losses totalled US$2,013 million at 31 December 2010 (2009: US$1,882 million). Of these, US$1,452 million have been recognised as deferred tax assets (2009: US$1,286 million), leaving US$561 million (2009: US$596 million) unrecognised, as recovery is not considered probable. These amounts exclude capital losses which can only be recovered against future capital gains.
Within the UK tax group, US$75 million in tax losses have been recognised as deferred tax assets (2009: US$303 million), with no amounts unrecognised. Within the French tax group, US$485 million in tax losses have been recognised as deferred tax assets (2009: US$419 million) with US$467 million unrecognised. Within the Canadian tax group, US$674 million in tax losses have been recognised as deferred tax assets (2009: US$393 million), with no amounts unrecognised. In addition to the above, capital losses of US$147 million have been recognised as deferred tax assets (2009: nil) which are recoverable against unrealised foreign exchange gains. Within the Australian tax group, US$192 million in tax losses have been recognised as deferred tax assets (2009: US$132 million), with no amounts unrecognised.
(xii) Contingencies
Disclosure is made of material contingent liabilities unless the possibility of any loss arising is considered remote. Contingencies are disclosed in note 35.
(xiii) Basis of consolidation
In determining whether the Group has control, joint control or significant influence, the Group considers whether other parties hold veto rights over significant operating and financial decisions. In some instances, the Group has control of an entity where other parties own more than one half, or in some cases all, of the voting rights of an entity but the Group can control those voting rights through a contractual arrangement. In such circumstances, the Group considers, in particular, whether it obtains non-financial benefits from its power to govern the financial and operating policies of the entity.
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Notes to the 2010 financial statements continued
 
2   Reconciliation of net earnings to Underlying earnings
                                                         
                    Non-                          
                    controlling     Discontinued     Net     Net     Net  
    Pre-tax  (i)   Taxation     interests     operations  (i)   Amount     Amount     Amount  
    2010     2010     2010     2010     2010     2009     2008  
    US$m     US$m     US$m     US$m     US$m     US$m     US$m  
 
Exclusions from Underlying earnings
                                                       
Gain on consolidation of Oyu Tolgoi (a)
    531                         531              
Profits on disposal of interests in businesses (b)
    308       (134 )                 174       499       1,470  
Impairment charges (c)
    (982 )     243                   (739 )     (1,103 )     (7,579 )
Loss after tax from discontinued operations (c)
                      (97 )     (97 )     (449 )     (827 )
Exchange and derivative gains/(losses):
                                                       
– Exchange gains/(losses) on US dollar net debt and intragroup balances (d)
    530       (133 )     37             434       (56 )     960  
– Gains/(losses) on currency and interest rate derivatives not qualifying for hedge accounting (e)
    75       (16 )     (3 )           56       9       (22 )
– (Losses)/gains on commodity derivatives not qualifying for hedge
accounting (f)
    (76 )     15                   (61 )     75       (95 )
Chinalco break fee
                                  (182 )      
Restructuring costs from global headcount reduction (g)
                                  (231 )     (57 )
Other exclusions (h)
    (28 )     67                   39       12       (477 )
 
Total excluded from Underlying earnings
    358       42       34       (97 )     337       (1,426 )     (6,627 )
 
Net earnings
    20,577       (5,296 )     (860 )     (97 )     14,324       4,872       3,676  
 
Underlying earnings
    20,219       (5,338 )     (894 )           13,987       6,298       10,303  
 
“Underlying earnings” is an alternative measure of earnings which is reported by Rio Tinto to provide greater understanding of the underlying business performance of its operations. Underlying earnings and Net earnings both represent amounts attributable to owners of Rio Tinto.
Items (a) to (h) below are excluded from Net earnings in arriving at Underlying earnings.
(a)   Rio Tinto consolidated Oyu Tolgoi LLC on 15 December 2010 following the signing of a new agreement with Ivanhoe Mines. The gain arising on consolidation represents the excess of the provisional fair value ascribed to the Groups indirect share of the assets and liabilities of Oyu Tolgoi over the historic cost of acquiring that share through its investment in Ivanhoe Mines Ltd.
 
(b)   Profits arising on the disposal of interests in businesses for the year ended 31 December 2010 relate principally to the sale of the Groups 48 per cent interest in Cloud Peak Energy Inc. Refer to note 41.

Profits arising on the disposal of interests in businesses for the year ended 31 December 2009 related principally to sales of the Corumbá iron ore mine, the Jacobs Ranch coal mine and 52 per cent of Rio Tintos interest in Cloud Peak Energy Resources LLC (CPER), and were partially offset by a loss from the sale of Alcan Composites.
 
    Profits arising on the disposal of interests in businesses in 2008 related principally to the sales of the Cortez gold mine and the Greens Creek mine.
 
    Profits arising on the disposal of interests in undeveloped projects which in 2010 included gains of US$229 million on disposal of the Vickery and Maules Creek coal projects, and in 2009 included gains on disposal of undeveloped potash assets in Argentina and Canada amounting to US$797 million, net of tax, were not excluded from Underlying earnings. 2008 profits on disposals of undeveloped projects, related principally to the sale of the undeveloped Kintyre uranium project in Western Australia and were not excluded from Underlying earnings.
 
(c)   Charges relating to impairment of goodwill and other non-current assets other than undeveloped projects but including discontinued operations.
 
    Year ended 31 December 2010
 
    The impairment charges of US$739 million for the year ended 31 December 2010 related mainly to Alcan Engineered Products businesses: US$589 million, the Groups Diamond businesses: US$115 million (net of reversals), and US$35 million in other impairments. All impairments have been measured based upon assessment of fair value. Divestment of 61 per cent of Alcan Engineered Products, excluding the Cable Division, was completed on 4 January 2011. Refer to note 41.
 
    Loss after tax from discontinued operations for the year ended 31 December 2010 of US$97 million (inclusive of divestment costs) relates to the completion of the disposal of Alcan Packaging global pharmaceuticals, global tobacco, food Europe and food Asia divisions to Amcor on 1 February 2010, and the Alcan Packaging Food Americas division to Bemis Company Inc. on 1 March 2010.
 
    The impairment to the Groups Diamond business was caused by changes in assumptions about future capital costs required to complete the Argyle underground project, offset by recovery in prices, which resulted in a reversal of impairment relating to Diavik of US$158 million.
 
    Years ended 31 December 2009 and 2008
 
    The impairment charges of US$1,103 million for the year ended 31 December 2009 related mainly to a write down on Alcan Engineered Products of US$500 million, the Groups aluminium businesses of US$212 million, US$348 million on the Groups Diamond businesses and US$43 million in other impairments. All impairments were measured based upon an assessment of fair value.
 
    An impairment of US$318 million (31 December 2008: US$960 million) relating to the Alcan Packaging business was recognised during the year ended 31 December 2009, and was included in “Loss after tax from discontinued operations”. This impairment was based on an estimate of fair value less costs to sell, being the Group’s best estimate of expected proceeds to be realised on sale of Alcan Packaging, less an estimate of remaining costs to sell. “Loss after tax from discontinued operations” for the year ended 31 December 2009 of US$449 million (31 December 2008: US$827 million) also included a US$131 million tax charge (31 December 2008: US$133 million tax benefit) relating to an increase in the Groups estimate of the tax to be paid on sale of the Alcan Packaging business.
 
    The impairment charge of US$7,579 million for the year ended 31 December 2008 related mainly to the Groups aluminium businesses: US$6,127 million and Alcan Engineered Products: US$980 million. This includes amounts relating to equity accounted units (EAUs) of US$15 million.
 
(d)   Exchange gains and losses on US dollar debt and intragroup balances.
 
    The 2010 and 2009 tax on exchange gains and losses on external debt and intragroup balances include tax charges on gains on US dollar denominated debt. However, in 2009 a significant proportion of the pre-tax losses on intragroup balances were not subject to tax.
 
    The 2008 tax on exchange gains and losses on external debt and intragroup balances included a benefit of US$254 million through recovery of tax relating to prior years. It also included tax relief for losses on US dollar denominated debt. The pre-tax gains on intragroup balances were largely not subject to tax.
 
(e)   Valuation changes on currency and interest rate derivatives which are ineligible for hedge accounting, other than those embedded in commercial contracts, and the currency revaluation of embedded US dollar derivatives contained in contracts held by entities whose functional currency is not the US dollar.
      


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(f)   Valuation changes on commodity derivatives, including those embedded in commercial contracts, that are ineligible for hedge accounting, but for which there will be an offsetting change in future Group earnings.
 
(g)   During 2009, the Group incurred restructuring costs relating to the cost saving measures announced in December 2008.
 
(h)   Other credits and charges that, individually, or in aggregate if of a similar type, are of a nature or size to require exclusion in order to provide additional insight into underlying business performance.
 
    During 2008, the Group incurred advisory and other costs related to the rejection by the board of the pre-conditional takeover proposal from BHP Billiton, which was withdrawn in November 2008. These costs totalled US$270 million (net of tax) in 2008 and have been excluded from Underlying earnings. Other charges excluded from Underlying earnings in 2008, 2009 and 2010 comprise costs relating to acquisitions, disposals and similar corporate projects.
 
(i)   Exclusions from Underlying earnings relating to both EAUs and discontinued operations are stated net of tax. Exclusions from Underlying earnings relating to EAUs are included in the column “Pre-tax” and the results of discontinued operations are shown in the column “Discontinued operations”.
3   Net operating costs
                                 
            2010     2009     2008  
      Note   US$m     US$m     US$m  
 
Raw materials and consumables
            13,409       11,501       16,248  
Amortisation of intangible assets
      12     369       387       429  
Depreciation of property, plant and equipment
      13     3,068       3,040       3,046  
Employment costs
      4     6,406       6,198       6,603  
Repairs and maintenance
            1,946       1,771       1,960  
Shipping costs
            1,890       1,828       2,495  
Other freight costs
            838       756       815  
(Increase)/decrease in finished goods and work in progress
            (377 )     517       (163 )
Royalties
            2,104       1,539       1,946  
Amounts charged by jointly controlled entities (a)
            2,934       2,420       2,473  
Net foreign exchange (gains)/losses
            (4 )     123       (379 )
Other external costs
            3,304       3,127       2,230  
Provisions (including exchange differences on provisions)
      27     907       930       265  
Research and development
            187       193       307  
Costs included above qualifying for capitalisation
            (140 )     (136 )     (259 )
Other operating income
            (174 )     (376 )     (375 )
 
Net operating costs (excluding items shown separately)
            36,667       33,818       37,641  
 
(a)   Amounts charged by jointly controlled entities mainly relate to toll processing but also include purchases from jointly controlled entities of bauxite and aluminium which are then processed by the product group or sold to third parties. Generally, purchases are in proportion to the Group’s share of the jointly controlled entity but in 2010, US$564 million (2009: US$491 million; 2008: nil) related to purchases of the other venturer’s share of production.
        Information on auditors’ remuneration is included in note 43.
4   Employment costs
                                 
            2010     2009     2008  
    Note   US$m     US$m     US$m  
 
Employment costs
                               
– Wages and salaries
            6,328       6,130       6,414  
– Social security costs
            98       101       113  
– Net post retirement cost
      50     573       524       502  
– Share option charge/(credit)
      49     124       177       (22 )
 
 
            7,123       6,932       7,007  
Less: charged within provisions
            (717 )     (734 )     (404 )
 
Total employment costs
      3     6,406       6,198       6,603  
 
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Notes to the 2010 financial statements continued
 

5   Impairment charges
                                                 
                    Outside     Net     Net     Net  
    Pre-tax  (a)   Taxation     interests     amount     amount     amount  
    2010     2010     2010     2010     2009     2008  (f)
    US$m     US$m     US$m     US$m     US$m     US$m  
 
Aluminium (b)
                            (212 )     (6,127 )
Alcan Engineered Products (c)
    (805 )     216             (589 )     (500 )     (980 )
Diamonds (d)
    (135 )     20             (115 )     (348 )     (107 )
HIsmelt® (e)
    (41 )     7             (34 )           (182 )
Other
    (1 )                 (1 )     (43 )     (168 )
 
Total (a)
    (982 )     243             (739 )     (1,103 )     (7,564 )
 
(a)   The majority of the 2010 pre-tax impairment charge related to property, plant and equipment (US$773 million – net of US$248 million of reversals) and provisions raised (US$197 million). The majority of the 2009 impairment charge relates to property, plant and equipment (US$1,290 million) and intangible assets (US$179 million), with the remainder relating to investments in EAUs. The majority of the 2008 impairment charge related to goodwill (US$6,621 million), property, plant and equipment (US$1,222 million) and intangible assets (US$129 million), with the remainder relating to investments in EAUs.
 
(b)   The 2009 impairment charge related mainly to the planned closure of certain smelters, and was caused by a decrease in short term price assumptions at the date of the impairment review. The recoverable amount was based on fair value less costs to sell, and was assessed in line with the policy in note 1(i). The 2008 impairment charge related mainly to the write-down of goodwill resulting from the annual impairment review, due to the deferral of growth projects following significant weakening in economic and market circumstances, and increases in input costs.
 
(c)   Impairment to the Alcan Engineered Products businesses during 2010 arose following finalisation of the proceeds and terms of the proposed sales transaction, which affected the assessment of fair value less costs to sell. The proceeds are assessed in line with the policy in note 1(i). Refer to note 19 for further details.
 
(d)   The impairment to the Groups Diamonds business during 2010 was caused by changes in assumptions about future capital costs required to complete the Argyle underground project, offset by recovery in prices, which resulted in a reversal of impairment relating to Diavik of US$158 million post-tax. The estimate of fair value less costs to sell was based on the policy in note 1(i). The impairment to the Groups Diamonds business during 2009 was caused by weak demand for luxury items and higher input costs. Impairment of property, plant and equipment was assessed by reference to the fair value less costs to sell of the cash generating units (CGUs).
 
(e)   In December 2010, the HIsmelt® joint venture partners agreed to permanently close the Kwinana site and terminate the joint venture. The majority of closure work is expected to be completed by 2014.
In 2008, full provision was made against the carrying value of the HIsmelt® operation, which is within the Iron Ore product group.
 
(f)   Total impairment charges in the reconciliation of net earnings to Underlying earnings for 2008, included US$15 million relating to EAUs, which is not included in the table above.
6   Share of profit after tax of equity accounted units
                         
    2010     2009     2008  
    US$m     US$m     US$m  
 
Sales revenue (a)
    4,722       3,020       3,801  
Operating costs
    (2,818 )     (1,717 )     (2,158 )
 
Profit before finance items and taxation
    1,904       1,303       1,643  
Finance items
    (87 )     (49 )     (44 )
Share of profit after tax of equity accounted units
    21       23       36  
 
Profit before taxation
    1,838       1,277       1,635  
 
Taxation
    (737 )     (491 )     (596 )
 
Profit for the year (Rio Tinto share)
    1,101       786       1,039  
 
(a)   Sales revenue of equity accounted units excludes charges by jointly controlled entities to Group subsidiaries.
      


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7   Interest receivable and payable
                                 
            2010     2009     2008  
    Note   US$m     US$m     US$m  
 
Interest receivable and similar income from:
                               
– Equity accounted units
            33       36       43  
– Interest income from bank deposits
            81       45       72  
– Interest income from other financial assets
            21       21       35  
 
 
            135       102       150  
Other interest receivable
            28       18       54  
 
Total interest receivable and similar income
            163       120       204  
 
                                 
Interest payable and similar charges (a)
            (853 )     (1,127 )     (1,821 )
Net refinancing charge (b)
            (107 )            
Amounts capitalised
      13     182       198       203  
 
Total interest payable and similar charges
            (778 )     (929 )     (1,618 )
 
(a)   Interest payable and similar charges relates to interest on bank loans and other borrowings. This includes a fair value gain on interest rate swaps designated as hedges of US$186 million and an offsetting fair value loss on bank borrowings attributable to interest rate risk of US$196 million (2009: fair value loss on the interest rate swaps of US$59 million and an offsetting fair value gain on bank borrowings attributable to interest rate risk of US$59 million; 2008: fair value gain on the interest rate swaps of US$669 million and a US$655 million fair value loss on bank borrowings attributable to interest rate risk).
 
(b)   Net charge on the refinancing of bonds in October 2010 includes premium of US$252 million, offset by mark to market hedge fair value adjustments of US$167 million (note 33).
8   Taxation
                                 
            2010     2009     2008  
    Note   US$m     US$m     US$m  
 
UK taxation
                               
Corporation tax at 28%
                               
– Current
                  1        
– Deferred
            286             (46 )
 
 
            286       1       (46 )
 
Australian taxation
                               
Corporation tax at 30%
                               
– Current
            3,785       1,829       3,005  
– Deferred
            398       391       (812 )
 
 
            4,183       2,220       2,193  
 
Other countries taxation
                               
– Current
            1,241       763       1,711  
– Deferred
            (414 )     (908 )     (116 )
 
 
            827       (145 )     1,595  
 
Total taxation charge
                               
– Current
            5,026       2,593       4,716  
– Deferred
      18     270       (517 )     (974 )
 
 
            5,296       2,076       3,742  
 
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Notes to the 2010 financial statements continued
 
8   Taxation continued
                         
    2010     2009     2008  
Prima facie tax reconciliation   US$m     US$m     US$m  
 
Profit before taxation
    20,577       7,860       9,178  
Deduct: share of profit after tax of equity accounted units
    (1,101 )     (786 )     (1,039 )
 
Parent companies’ and subsidiaries’ profit before tax
    19,476       7,074       8,139  
 
 
                       
Prima facie tax payable at UK rate of 28%
    5,453       1,981       2,279  
Higher rate of taxation on Australian earnings at 30%
    295       136       226  
Impact of items excluded in arriving at Underlying earnings (a)
    (143 )     347       919  
Adjustments to deferred tax liabilities following changes in tax rates
    (96 )     (22 )     (25 )
Other tax rates applicable outside the UK and Australia
    110       113       206  
Resource depletion and other depreciation allowances
    (163 )     (132 )     (129 )
Research, development and other investment allowances
    (74 )     (55 )     (72 )
Utilisation of previously unrecognised deferred tax assets
    (13 )     (36 )     (160 )
Unrecognised current year operating losses
    95       105       163  
Foreign exchange differences
    (63 )     (167 )     197  
Withholding taxes
    35       73       95  
Non-taxable gains on asset disposals (b)
          (208 )      
Other items
    (140 )     (59 )     43  
 
Total taxation charge (c)
    5,296       2,076       3,742  
 
(a)   An analysis of the impact on the tax reconciliation of items excluded in arriving at Underlying earnings is given below:
                         
    2010     2009     2008  
    US$m     US$m     US$m  
 
Impairment charges
    (23 )     (5 )     1,806  
Gains on disposals of businesses and on newly consolidated operations
    (101 )           136  
Exchange losses/(gains) on intragroup balances
    46       332       (723 )
Exchange gains on external debt
    (61 )           (332 )
Exchange (gains)/losses on derivatives and others
    (17 )     25       (19 )
Other exclusions
    13       (5 )     51  
 
 
    (143 )     347       919  
 
(b)   The non-taxable gains on asset disposals in 2009 relate to undeveloped potash assets in Argentina.
 
(c)   This tax reconciliation relates to the Groups parent companies, subsidiaries and proportionally consolidated units. The Groups share of profit of equity accounted units is net of tax charges of US$737 million (2009: US$491 million; 2008: US$596 million).
      


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The tax credit/(charge) relating to components of other comprehensive income is as follows:
                                                 
    2010   2009
    Attributable to:   Attributable to:
            Non-                     Non-        
    Owners     controlling             Owners     controlling        
      of Rio Tinto     interests     Total     of Rio Tinto     interests     Total  
    US$m     US$m     US$m     US$m     US$m     US$m  
 
                                   
Tax on exchange adjustments
    27             27                    
Cash flow hedge fair value losses/(gains):
                                               
– Cash flow hedge fair value losses
    17       7       24       62       35       97  
– Cash flow hedge losses transferred to the income statement
    (18 )     (16 )     (34 )     (10 )     (10 )     (20 )
Gains on revaluation of available for sale securities
    (24 )     (1 )     (25 )     (1 )           (1 )
Gains on revaluation of available for sale securities transferred to the income statement
    1             1       1             1  
Actuarial losses on post retirement benefit plans
    210       6       216       233       (1 )     232  
Deferred tax on share options
    47             47       50             50  
 
                                   
 
    260       (4 )     256       335       24       359  
Share of tax on other comprehensive expense of equity accounted units
    (3 )           (3 )     (38 )           (38 )
 
                                   
Tax relating to components of other comprehensive
income/(expense) for the year
(a)
    257       (4 )     253       297       24       321  
 
                         
    2008
    Attributable to:
            Non-        
    Owners     controlling        
    of Rio Tinto     interests     Total  
    US$m     US$m     US$m  
 
Tax on exchange adjustments
    99             99  
Cash flow hedge fair value losses/(gains):
                       
– Cash flow hedge fair value gains
    (11 )     (8 )     (19 )
– Cash flow hedge losses transferred to the income statement
    (77 )     (35 )     (112 )
Losses on revaluation of available for sale securities
    10             10  
Gains on revaluation of available for sale securities transferred to the income statement
                 
Actuarial losses on post retirement benefit plans
    457       7       464  
Deferred tax on share options
    (179 )           (179 )
 
 
    299       (36 )     263  
Share of tax on other comprehensive expense of equity accounted units
    (19 )           (19 )
 
Tax relating to components of other comprehensive income/(expense) for the year (a)
    280       (36 )     244  
 
 
(a)   This comprises US$226 million (2009: US$319 million; 2008: US$205 million) of deferred tax and US$27 million (2009: US$2 million; 2008: US$39 million) of current tax. See note 18.
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Notes to the 2010 financial statements continued
 
9    Earnings/(loss) per ordinary share
                                                 
            2010                     2009        
            Weighted                     Weighted        
            average     2010             average     2009  
    2010     number of     Per share     2009     number of     Per share  
    Earnings     shares     amount     Earnings     shares     amount  
    US$m     (millions)     (cents)     US$m     (millions)     (cents)  (a)
 
                                   
Basic earnings per share attributable to ordinary shareholders of
Rio Tinto – continuing operations
    14,421       1,961.0       735.4       5,321       1,763.6       301.7  
 
                                   
Basic loss per share attributable to ordinary shareholders of
Rio Tinto – discontinued operations
    (97 )     1,961.0       (4.9 )     (449 )     1,763.6       (25.5 )
 
                                   
Total basic earnings per share – profit for the year (b)
    14,324       1,961.0       730.5       4,872       1,763.6       276.2  
 
                                   
Diluted earnings per share attributable to ordinary shareholders of
Rio Tinto – continuing operations
    14,421       1,972.6       731.1       5,321       1,769.6       300.7  
 
                                   
Diluted loss per share attributable to ordinary shareholders of
Rio Tinto – discontinued operations
    (97 )     1,972.6       (4.9 )     (449 )     1,769.6       (25.4 )
 
                                   
Total diluted earnings per share – profit for the year (c)
    14,324       1,972.6       726.2       4,872       1,769.6       275.3  
 
                                   
Underlying earnings per share attributable to ordinary shareholders (d)
                                               
– Basic (b)
    13,987       1,961.0       713.3       6,298       1,763.6       357.1  
– Diluted (c)
    13,987       1,972.6       709.1       6,298       1,769.6       355.9  
 
                         
            2008        
            Weighted        
            average     2008  
    2008     number of     Per share  
    Earnings     shares     amount  
    US$m     (millions)     (cents)  (a)
 
Basic earnings per share attributable to ordinary shareholders of
Rio Tinto – continuing operations
    4,503       1,570.1       286.8  
 
Basic loss per share attributable to ordinary shareholders of
Rio Tinto – discontinued operations
    (827 )     1,570.1       (52.7 )
 
Total basic earnings per share – profit for the year (b)
    3,676       1,570.1       234.1  
 
Diluted earnings per share attributable to ordinary shareholders of
Rio Tinto – continuing operations
    4,503       1,577.3       285.5  
 
Diluted loss per share attributable to ordinary shareholders of
Rio Tinto – discontinued operations
    (827 )     1,577.3       (52.4 )
 
Total diluted earnings per share – profit for the year (c)
    3,676       1,577.3       233.1  
 
Underlying earnings per share attributable to ordinary shareholders (d)
                       
– Basic (b)
    10,303       1,570.1       656.2  
– Diluted (c)
    10,303       1,577.3       653.2  
 
 
(a)   The 2009 rights issues were at a discount to the then market price. Accordingly, earnings per share for all periods up to the date on which the shares were issued have been adjusted for the bonus element of the issues. The bonus factor for Rio Tinto plc was 1.2105 and for Rio Tinto Limited was 1.2679. Other information relating to the rights issues is shown in note 46.
 
(b)   The weighted average number of shares is calculated as the average number of Rio Tinto plc shares outstanding not held as treasury shares of 1,525.2 million (2009: 1,366.1 million; 2008: 1,207.8 million) plus the average number of Rio Tinto Limited shares outstanding not held by Rio Tinto plc of 435.8 million (2009: 397.5 million; 2008: 362.3 million).
 
(c)   For the purposes of calculating diluted earnings per share, the effect of dilutive securities of 11.6 million shares in 2010 (2009: 6.0 million shares; 2008: 7.2 million shares) is added to the weighted average number of shares described in (b) above. This effect is calculated under the treasury stock method. The Group’s only potential dilutive ordinary shares are share options for which terms and conditions are described in note 49.
 
(d)   Underlying earnings per share is calculated from Underlying earnings, detailed information on which is given in note 2.
10  Dividends
                         
    2010     2009     2008  
    US$m     US$m     US$m  
 
                 
Rio Tinto plc previous year Final dividend paid
    686       670       838  
Rio Tinto plc Interim dividend paid
    664             679  
Rio Tinto Limited previous year Final dividend paid
    206       206       228  
Rio Tinto Limited Interim dividend paid
    198             188  
 
                 
Dividends paid during the year
    1,754       876       1,933  
 
                 
 
                       
Dividends per share: paid during the year
    90.0c       55.6c       124.3c  
Dividends per share: proposed in the announcement of the results for the year
    63.0c       45.0c       55.6c  
 


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      Dividends     Dividends     Dividends  
    per share     per share     per share  
    2010     2009     2008  
 
                 
Rio Tinto plc previous year Final (pence)
    28.84p       37.85p       35.27p  
Rio Tinto plc Interim (pence)
    28.21p             29.64p  
Rio Tinto Limited previous year Final – fully franked at 30% (Australian cents)
    51.56c       82.97c       76.08c  
Rio Tinto Limited Interim – fully franked at 30% (Australian cents)
    49.27c             63.25c  
 
                         
    Number     Number     Number  
    of shares     of shares     of shares  
    2010     2009     2008  
      (millions)     (millions)     (millions)  
 
                 
Rio Tinto plc previous year Final
    1,524.8       1,208.4       1,207.8  
Rio Tinto plc Interim
    1,526.0             1,208.2  
Rio Tinto Limited previous year Final
    435.8       362.3       362.3  
Rio Tinto Limited Interim
    435.8             362.3  
 
The dividends paid in 2010 are based on the following US cents per share amounts: 2009 final – 45.0 cents, 2010 interim – 45.0 cents (2009 dividends paid: 2008 final – 55.6 cents, 2009 interim – nil; 2008 dividends paid: 2007 final – 68.7 cents, 2008 interim – 55.6 cents).
The number of shares on which the Rio Tinto Limited dividends are based excludes those shares held by Rio Tinto plc, in order that the dividends shown represent those paid to public shareholders. The number of shares on which Rio Tinto plc dividends are based excludes those held as treasury shares.
In addition, the directors of Rio Tinto announced a final dividend of 63.0 cents per share on 10 February 2011. This is expected to result in payments of US$1,236 million (Rio Tinto plc: US$962 million; Rio Tinto Limited: US$274 million). The dividends will be paid on 31 March 2011 to Rio Tinto plc shareholders on the register at the close of business on 4 March 2011 and to Rio Tinto Limited shareholders on the register at the close of business on 8 March 2011.
The proposed Rio Tinto Limited dividends will be franked out of existing franking credits or out of franking credits arising from the payment of income tax during 2011.
The approximate amount of the Rio Tinto Limited consolidated tax group’s retained profits and reserves that could be distributed as dividends and franked out of credits, that arose from net payments of income tax in respect of periods up to 31 December 2010 (after deducting franking credits expected to be utilised on the 2010 final dividend declared), is US$7,380 million.
11  Goodwill
                 
    2010     2009  
    US$m     US$m  
 
           
Net book value
               
At 1 January
    14,268       14,296  
Adjustment on currency translation
    72       156  
Newly consolidated operations
    963        
Disposals
    (7 )     (184 )
 
           
At 31 December
    15,296       14,268  
 
           
– cost
    21,886       20,854  
– accumulated impairment
    (6,590 )     (6,586 )
 
           
At 1 January
               
 
           
– cost
    20,854       21,123  
– accumulated impairment
    (6,586 )     (6,827 )
 
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Notes to the 2010 financial statements continued
 
11  Goodwill continued
Impairment tests for goodwill
At 31 December 2010, goodwill has been allocated as follows:
                 
    2010     2009  
    US$m     US$m  
 
           
Net book value
               
Aluminium
    13,678       13,691  
Copper – Oyu Tolgoi (note 41)
    963        
Australian Iron Ore
    507       446  
Other
    148       131  
 
           
 
    15,296       14,268  
 
Aluminium
The majority of the Group’s goodwill has been allocated to cash generating units within the Aluminium group of cash generating units (“Aluminium”). A large component of Aluminium’s carrying value relates to the former Alcan businesses purchased in 2007.
Aluminium’s annual impairment review resulted in no impairment charge for 2010 (2009: no impairment charge; 2008: US$6,127 million after taxation). The recoverable amount has been assessed by reference to fair value less costs to sell, using discounted cash flows, in line with the policy in note 1(i).
In arriving at fair value less costs to sell, a post-tax discount rate of 6.5 per cent (2009: 6.8 per cent) has been applied to the post-tax cash flows expressed in real terms. Fair value less costs to sell was determined by estimating cash flows for a period of 11 years. The cash flow projections are based on long term production plans. These cash flows are then aggregated with a “terminal value”. The terminal value represents the value of cash flows beyond the 11th year, incorporating an annual real-term growth rate of one and a half per cent, with a corresponding increase in capital expenditure to support the real term growth rate, resulting in a zero per cent growth in net cash flows. Aluminium benefits from a global marketplace with substantial barriers to entry and there are a limited number of competitors who are able to access effectively the key resources necessary to make aluminium. In addition, continued global industrialisation is expected to support demand for aluminium. The operating cost levels included in the fair value assessment are calculated based on Aluminium’s long term production plans. Price assumptions for inputs into the aluminium smelting process are based on analysis of market fundamentals and are made consistent with related output price assumptions. Approximately 80 per cent of Aluminium’s production is located in the first half of the industry cost curve. Aluminium’s intention is to improve its relative position on the industry cash cost curve.
The key assumptions to which the calculation of fair value less costs to sell for Aluminium is most sensitive are the long term aluminium price; the Canadian dollar and Australian dollar exchange rates against the US dollar; operating costs; and discount rates. Future selling prices and operating costs have been estimated in line with the policy in note 1(i). Management believes that, currently, there are no reasonably possible changes in any of the key assumptions, that would lead to the recoverable amount being below the carrying amount, except for the long term aluminium price.
The long term aluminium price used in the terminal year of the fair value calculations includes a component to reflect the impact of carbon pricing. The Group’s price without this carbon component is within the range published by market commentators of US$2,010 to US$2,566 per tonne, with an average of US$2,329 per tonne, in real terms. The carbon element within the long term price used in the fair value calculations is based on a price per tonne of carbon dioxide equivalent emissions (tCO2e). This price is based on an assessment of future climate policy evolution and the range of carbon prices that could result from this process. It is comparable to the range published by market commentators, of between US$10 and US$40 per tCO2e in real terms. The relationship between the price per tCO2e and the price per tonne of aluminium is dependent on how many tonnes of carbon dioxide are emitted per tonne of aluminium produced by marginal cost smelters. Industry data show that emissions for all producers range from approximately two tonnes, to in excess of 20 tonnes, of CO2 per tonne of aluminium produced, depending on the primary energy source used to generate the consumed electric power. The weighted industry average for all producers is approximately 10-12 tonnes of CO2 per tonne of aluminium. The assumptions used in the Group’s long term aluminium price used in the terminal year imply a carbon emission intensity for the marginal producers above the weighted industry average but below the top end of the industry range.
Based on the assessment of fair value less costs to sell, the recoverable amount exceeds the carrying value by approximately 16 per cent. The calculation is highly sensitive to changes in the key assumptions, and a seven per cent decrease in the long term aluminium price, in isolation, would lead to the fair value less costs to sell of Aluminium being equal to its carrying amount. However, management believe that a decrease in the long term aluminium price would have an associated beneficial impact on input costs which would, to a certain extent, offset the impact of the change in the long term aluminium price. In addition, the assumed relationship between the long term aluminium price and the Australian and Canadian currencies provides further natural protection in the long term (see also note 33 – Financial risk management).


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Oyu Tolgoi
Goodwill of US$963 million arose following consolidation on 15 December 2010 of Oyu Tolgoi LLC, of which US$834 million was calculated in accordance with the requirement in IFRS to recognise a deferred tax liability on the difference between the provisional fair value of newly consolidated assets and liabilities and their tax base.
Refer to note 41 for further information relating to the consolidation of Oyu Tolgoi LLC.
Australian Iron Ore
The recoverable amount of the goodwill relating to Australian Iron Ore has been assessed by reference to fair value less costs to sell, which is estimated in line with the policy in note 1(i). In line with normal practice in the mining industry, the cash flow projections are based on long term mine plans covering the expected life of each operation. Therefore, the projections generally cover periods well in excess of five years.
Assumptions about selling prices, operating costs, exchange rates, and discount rates are particularly important in these valuations.
Future selling prices and operating costs have been estimated in line with the policy in note 1(i). Long term average selling prices are forecast taking account of estimates of the costs of producers of iron ore. Forecasts of operating costs are based on detailed mine plans which take account of all relevant characteristics of the orebody.
Goodwill relating to Australian Iron Ore has been reviewed applying a discount rate of 6.5 per cent (2009: 6.8 per cent) to the post-tax cash flows expressed in real terms.
There are no reasonably possible changes in key assumptions, which would cause the goodwill allocated to Australian Iron Ore to be impaired.
Other
The recoverability of the remaining goodwill, which is included within Other in the table above, has been assessed by reference to fair value less costs to sell, using assumptions consistent with those described above. The recoverable amounts were determined to be in excess of carrying value, and there are no reasonably possible changes in key assumptions that would cause the remaining goodwill to be impaired by a significant amount.
12  Intangible assets
                                         
            Trademarks,     Contract              
    Exploration     patented and     based     Other        
    and     non patented     intangible     intangible        
    evaluation  (a)   technology     assets  (b)   assets     Total  (c)
Year ended 31 December 2010   US$m     US$m     US$m     US$m     US$m  
   
Net book value
                                       
At 1 January 2010
    145       289       4,802       494       5,730  
Adjustment on currency translation
    25       (5 )     (1 )     52       71  
Expenditure during the year
    143                   186       329  
Amortisation for the year
          (25 )     (167 )     (177 )     (369 )
Newly consolidated operations (note 41)
                      38       38  
Subsidiaries no longer consolidated
                (7 )           (7 )
Disposals, transfers and other movements
    (6 )           (90 )     4       (92 )
   
At 31 December 2010
    307       259       4,537       597       5,700  
   
– cost
    307       370       5,525       1,373       7,575  
– accumulated amortisation and impairment
          (111 )     (988 )     (776 )     (1,875 )
 
Refer to footnotes (a) to (c) on page 192.
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Notes to the 2010 financial statements continued
 
12  Intangible assets continued
                                         
            Trademarks,     Contract              
            patented and     based     Other        
    Exploration and     non patented     intangible     intangible        
    evaluation  (a)   technology     assets  (b)   assets     Total  (c)
Year ended 31 December 2009   US$m     US$m     US$m     US$m     US$m  
 
Net book value
                                       
At 1 January 2009
    133       444       5,208       500       6,285  
Adjustment on currency translation
    10       6       2       71       89  
Expenditure during the year
    2                   53       55  
Amortisation for the year
          (25 )     (188 )     (174 )     (387 )
Impairment charges
          (23 )     (156 )           (179 )
Subsidiaries now equity accounted
                      (2 )     (2 )
Subsidiaries no longer consolidated
          (113 )     (54 )           (167 )
Disposals, transfers and other movements
                (10 )     46       36  
 
At 31 December 2009
    145       289       4,802       494       5,730  
 
– cost
    145       398       5,445       1,062       7,050  
– accumulated amortisation and impairment
          (109 )     (643 )     (568 )     (1,320 )
 
 
(a)   Exploration and evaluation: useful life not determined until transferred to property, plant and equipment.
 
(b)   The Group benefits from certain intangible assets acquired with Alcan including power supply contracts, customer contracts and water rights. The water rights are expected to contribute to the efficiency and cost effectiveness of operations for the foreseeable future: accordingly, these rights are considered to have indefinite lives and are not subject to amortisation. These water rights constitute the majority of the amounts in the column of the above table entitled “Contract based intangible assets”. The water rights have been allocated to cash generating units within Aluminium.
 
    In 2010, the recoverable amount of these cash-generating units was determined based on fair value less costs to sell, using a methodology and assumptions consistent with those described in note 1(i) and note 11. No impairment of these indefinite-lived intangible assets was recognised during 2010 (2009: no impairment), as the fair value less costs to sell of the related cash-generating units was in excess of their carrying amounts.
 
(c)   There are no intangible assets either pledged as security or held under restriction of title.
Exploration and evaluation expenditure
The charge for the year and the net amount of intangible assets capitalised during the year are as follows:
                         
    2010     2009     2008  
    US$m     US$m     US$m  
     
Net (expenditure)/proceeds in the year (net of proceeds of US$568 million (2009: US$932 million; 2008: US$673 million) on disposal of undeveloped projects)
    (135 )     486       (440 )
Changes in accruals (including impairment of undeveloped projects of nil (2009: nil; 2008: US$156 million) and non-cash proceeds on disposal of undeveloped projects)
    (80 )     (104 )     (205 )
Amount capitalised during the year
    143       (2 )      
     
Net (charge)/credit for the year
    (72 )     380       (645 )
     
Reconciliation to income statement
                       
Exploration and evaluation costs
    (594 )     (514 )     (1,134 )
Profit on disposal of interests in undeveloped projects
    522       894       489  
     
Net (charge)/credit for the year
    (72 )     380       (645 )
 
      


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13  Property, plant and equipment
                                         
    Mining                     Capital        
    properties     Land and     Plant and     works in        
    and leases  (a)   buildings  (b)   equipment     progress     Total  
Year ended 31 December 2010   US$m     US$m     US$m     US$m     US$m  
   
Net book value
                                       
At 1 January 2010
    6,738       5,958       25,595       7,512       45,803  
Adjustment on currency translation
    785       214       1,810       541       3,350  
Capitalisation of additional closure costs (note 27)
    872                         872  
Interest capitalised (c) (note 7)
                      182       182  
Additions
    170       171       829       3,117       4,287  
Depreciation for the year (a)
    (432 )     (320 )     (2,316 )           (3,068 )
Impairment charges, net of reversals
    66       (248 )     (314 )     (277 )     (773 )
Disposals
          (17 )     (77 )     (6 )     (100 )
Newly consolidated operations (note 41)
    4,881                   874       5,755  
Subsidiaries no longer consolidated
          (18 )     (11 )     (1 )     (28 )
Transfers and other movements (d)
    949       559       3,099       (4,861 )     (256 )
   
At 31 December 2010
    14,029       6,299       28,615       7,081       56,024  
   
– cost
    19,173       9,289       47,374       7,955       83,791  
– accumulated depreciation and impairment
    (5,144 )     (2,990 )     (18,759 )     (874 )     (27,767 )
   
 
                                       
Non-current assets held under finance leases (e)
          19       33             52  
Other non-current assets pledged as security (f)
    4       15       1,742       37       1,798  
 
                                         
    Mining                          
    properties     Land and     Plant and     Capital works        
    and leases  (a)   buildings  (b)   equipment     in progress     Total  
Year ended 31 December 2009   US$m     US$m     US$m     US$m     US$m  
 
Net book value
                                       
At 1 January 2009
    6,118       5,706       22,112       7,817       41,753  
Adjustment on currency translation
    1,130       349       2,890       1,257       5,626  
Capitalisation of additional closure costs (note 27)
    268                         268  
Interest capitalised (c) (note 7)
    8             9       181       198  
Additions
    242       115       1,346       3,108       4,811  
Depreciation for the year (a)
    (412 )     (364 )     (2,264 )           (3,040 )
Impairment charges, net of reversals
    (170 )     (308 )     (473 )     (321 )     (1,272 )
Disposals
    4       (16 )     (49 )     (21 )     (82 )
Subsidiaries now equity accounted
    (250 )     (156 )     (476 )     (349 )     (1,231 )
Subsidiaries no longer consolidated
    (319 )     (184 )     (503 )     (6 )     (1,012 )
Transfers and other movements (d)
    119       816       3,003       (4,154 )     (216 )
 
At 31 December 2009
    6,738       5,958       25,595       7,512       45,803  
 
– cost
    11,028       8,973       41,990       8,154       70,145  
– accumulated depreciation and impairment
    (4,290 )     (3,015 )     (16,395 )     (642 )     (24,342 )
 
 
                                       
Non-current assets held under finance leases (e)
          21       67             88  
Other non-current assets pledged as security (f)
    6       15       1,703       27       1,751  
 
 
(a)   Mining properties include deferred stripping costs of US$1,033 million (2009: US$900 million). Amortisation of deferred stripping costs of US$11 million (2009: US$3 million; 2008: US$35 million) is included within “Depreciation for the year”. There is no impairment of deferred stripping costs charged to the income statement in 2010 (2009: US$59 million; 2008: nil).
 
(b)   At 31 December 2010, the net statement of financial position amount for land and buildings includes freehold US$6,037 million (2009: US$5,834 million); long leasehold US$217 million (2009: US$83 million); and short leasehold US$45 million (2009: US$41 million).
 
(c)   Interest is capitalised at a rate based on the Groups cost of borrowing or at the rate on project specific debt, where applicable. The Groups average borrowing rate used for capitalisation of interest is 5.0 per cent (2009: 4.2 per cent; 2008: 3.9 per cent).
 
(d)   Transfers and other movements” include reclassifications between categories.
 
(e)   The finance leases under which these assets are held are disclosed in note 23.
 
(f)   Excludes assets held under finance leases. Non-current assets pledged as security represent amounts pledged as collateral against US$244 million (2009: US$224 million) of loans, which are included in note 22.
()


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Notes to the 2010 financial statements continued
 
14  Investments in equity accounted units
                 
    2010     2009  
Summary statement of financial position (Rio Tinto share)   US$m     US$m  
     
Rio Tinto’s share of assets
               
– Non-current assets
    9,737       9,707  
– Current assets
    2,576       2,329  
     
 
    12,313       12,036  
     
Rio Tinto’s share of liabilities
               
– Current liabilities
    (1,394 )     (1,089 )
– Non-current liabilities
    (4,416 )     (4,212 )
     
 
    (5,810 )     (5,301 )
     
Rio Tinto’s share of net assets (a)
    6,503       6,735  
 
 
(a)   Further details of investments in jointly controlled entities and associates are set out in notes 38 and 39.
At 31 December 2010, the quoted value of the Group’s share in associates having shares listed on recognised stock exchanges was US$5,280 million (2009: US$1,230 million).
15  Net debt of equity accounted units (excluding amounts due to Rio Tinto)
                                 
            Rio Tinto             Rio Tinto  
    Group     share of     Group     share of  
    interest     net debt     interest     net debt  
    2010     2010     2009     2009  
    %     US$m     %     US$m  
     
Jointly controlled entities
                               
Sohar Aluminium Company LLC
    20.0       330       20.0       343  
Minera Escondida Limitada
    30.0       163       30.0       226  
Richards Bay Minerals
    37.0       94       37.0       199  
Halco Mining Inc.
    45.0       27       45.0       37  
Queensland Alumina Limited (QAL)
    80.0       11       80.0       18  
 
                               
 
                               
Associates
                               
Ivanhoe Mines Ltd. (a)
    40.3       (404 )     19.7       (58 )
Port Waratah Coal Services
    27.6       305       27.6       225  
Mineração Rio do Norte S.A.
    12.0       39       12.0       36  
Cloud Peak Energy Resources LLC
                48.3       170  
Other equity accounted units
          (86 )           (99 )
     
 
            479               1,097  
 
 
(a)   Ivanhoe Mines Ltd. owns 66 per cent of Oyu Tolgoi LLC, which is consolidated by Rio Tinto. Net debt of Ivanhoe Mines Ltd. excludes its share of the net debt of Oyu Tolgoi LLC. Refer to note 41 for further information relating to the consolidation of Oyu Tolgoi LLC.
In accordance with IAS 28 and IAS 31, the Group includes its net investment in equity accounted units in its consolidated statement of financial position. This investment is net of the Group’s share of the net debt of such units, which is set out above. Further details of investments in jointly controlled entities and associates are set out in notes 38 and 39.
Some of the debt of equity accounted units is subject to financial and general covenants. US$12 million of the debt shown above is with recourse to Rio Tinto at 31 December 2010 (2009: nil).
      


194  Rio Tinto 2010 Annual report


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16  Inventories
                 
    2010     2009  
    US$m     US$m  
     
Raw materials and purchased components
    1,162       1,120  
Consumable stores
    1,279       1,278  
Work in progress
    1,357       1,410  
Finished goods and goods for resale
    1,333       1,365  
     
 
    5,131       5,173  
     
Comprising:
               
Expected to be used within one year
    4,756       4,889  
Expected to be used after more than one year
    375       284  
     
 
    5,131       5,173  
 
Inventory write downs amounting to US$115 million (2009: US$99 million; 2008: US$280 million) were recognised during the year.
17  Trade and other receivables
                                 
    Non-current     Current     Non-current     Current  
    2010     2010     2009     2009  
    US$m     US$m     US$m     US$m  
     
Trade receivables
    10       3,939       14       3,442  
Provision for doubtful debts (a)
          (37 )           (62 )
     
Trade receivables – net
    10       3,902       14       3,380  
Amounts due from equity accounted units
    337       217       320       197  
Other receivables
    300       1,017       247       641  
Pension surpluses (note 50)
    110             15       2  
Prepayment of tolling charges to jointly controlled entities (b)
    787             424        
Other prepayments
    282       446       355       227  
     
 
    1,826       5,582       1,375       4,447  
 
 
(a)   At 31 December 2010, trade and other receivables of US$37 million (2009: US$62 million) were impaired. The majority of these receivables were more than 90 days overdue.
 
(b)   Rio Tinto Alcan has made certain prepayments to jointly controlled entities for toll processing of bauxite and alumina. These prepayments will be charged to Group operating costs as processing takes place.
There is no material element of trade and other receivables that is interest bearing.
Due to their short term maturities, the fair value of trade and other receivables approximates their carrying value.
As of 31 December 2010, trade and other receivables of US$292 million (2009: US$454 million) were past due but not impaired. The ageing of these receivables is as follows:
                 
    2010     2009  
    US$m     US$m  
     
less than 30 days overdue
    162       262  
between 30 and 60 days overdue
    67       93  
between 60 and 90 days overdue
    17       18  
more than 90 days overdue
    46       81  
     
 
    292       454  
 
These relate to a number of customers for whom there is no recent history of default or other indicators of impairment.
With respect to trade and other receivables that are neither impaired nor past due, there are no indications as of the reporting date that the debtors will not meet their payment obligations.
()


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Notes to the 2010 financial statements continued
 
18  Deferred taxation
                 
    2010     2009  
    US$m     US$m  
                 
At 1 January
    2,073       2,687  
Adjustment on currency translation
    340       297  
Charged/(credited) to the income statement
    270       (517 )
Credited to statement of comprehensive income (a)
    (226 )     (319 )
Newly consolidated operations (note 41) (b)
    834        
Subsidiaries no longer consolidated
    (2 )     (82 )
Subsidiaries now equity accounted
          (14 )
Transfer to asset held for sale
    (3 )     (190 )
Other movements (c)
    26       211  
                 
At 31 December
    3,312       2,073  
 
 
               
Comprising:
               
 
– deferred tax liabilities (d)
    5,175       4,304  
– deferred tax assets (d)
    (1,863 )     (2,231 )
                 
Deferred tax balances for which there is a right of offset within the same jurisdiction are presented net on the face of the statement of financial position as permitted by IAS 12. The closing deferred tax liabilities and assets, prior to this offsetting of balances, are shown below.
                                         
            Australian     Other     Total     Total  
    UK tax     tax     countries’ tax     2010     2009  
    US$m     US$m     US$m     US$m     US$m  
 
Deferred tax liabilities arising from:
                                       
Allowances for property, plant and equipment
    80       2,231       5,113       7,424       5,982  
Post retirement benefits
                36       36        
Unremitted earnings
                437       437       616  
Unrealised exchange gains
          601       92       693       84  
Other temporary differences
          516       109       625       594  
 
 
    80       3,348       5,787       9,215       7,276  
 
Deferred tax assets arising from:
                                       
Capital allowances
                (71 )     (71 )     (63 )
Provisions
    (95 )     (1,008 )     (1,075 )     (2,178 )     (1,908 )
Post retirement benefits
    (67 )     (28 )     (1,206 )     (1,301 )     (1,556 )
Tax losses
    (75 )     (192 )     (1,332 )     (1,599 )     (1,286 )
Unrealised exchange losses
          (528 )     (1 )     (529 )     (149 )
Other temporary differences
          (68 )     (157 )     (225 )     (241 )
 
 
    (237 )     (1,824 )     (3,842 )     (5,903 )     (5,203 )
 
Charged/(credited) to the income statement
                                       
Accelerated/(decelerated) capital allowances
    (14 )     76       (27 )     35       (388 )
Provisions
    4       (75 )     (173 )     (244 )     (228 )
Post retirement benefits
    38       11       210       259       6  
Tax losses
    257       (60 )     (261 )     (64 )     (448 )
Tax on unremitted earnings
                (12 )     (12 )     (18 )
Unrealised exchange losses
          173       49       222       618  
Other temporary differences
    1       273       (200 )     74       (59 )
 
 
    286       398       (414 )     270       (517 )
 
 
(a)   The amounts credited directly to the statement of comprehensive income relate to tax relief on share options, provisions for tax on exchange differences on intragroup loans qualifying for reporting as part of the net investment in subsidiaries, on cash flow hedges and on actuarial gains and losses on pension schemes and post retirement healthcare plans.
 
(b)   Deferred tax relating to newly consolidated operations arises on the difference between the provisional fair value and the tax base of the assets of Oyu Tolgoi LLC at the date of consolidation. Refer to note 41.
 
(c)   “Other movements” include deferred tax relating to tax payable recognised by subsidiary holding companies on the profits of the equity accounted units to which it relates. Other movements in 2010 also included amounts relating to the divestment of the Alcan Packaging businesses and Alcan Engineered Products, excluding Cable Division classified as assets held for sale at year end.
 
(d)   The deferred tax liability of US$5,175 million (2009: US$4,304 million) includes US$5,009 million (2009: US$4,091 million) due in more than one year. The deferred tax asset of US$1,863 million (2009: US$2,231 million) includes US$853 million (2009: US$2,109 million) receivable in more than one year.
 
(e)   US$1,217 million (2009: US$1,426 million) of potential deferred tax assets have not been recognised as assets in these accounts. There is a time limit for the recovery of US$22 million of these potential assets (2009: US$20 million). US$449 million (2009: US$620 million) of the potential assets relate to realised or unrealised capital losses, recovery of which depends on the existence of capital gains in future years. US$467 million (2009: US$503 million) of the potential assets relate to trading losses in France, which were acquired as part of the Alcan acquisition.
 
(f)   Deferred tax is not recognised on the unremitted earnings of subsidiaries and jointly controlled entities where the Group is able to control the timing of the remittance and it is probable that there will be no remittance in the foreseeable future. If these earnings were remitted, tax of US$146 million (2009: US$888 million) would be payable.
 
(g)   There is a limited time period for the recovery of US$675 million (2009: US$401 million) of tax losses which have been recognised as deferred tax assets in the financial statements.


196  Rio Tinto 2010 Annual report
 


Table of Contents

 
19  Assets and liabilities held for sale
At 31 December 2010
At 31 December 2010, assets and liabilities held for sale comprise Alcans Engineered Products group (AEP), excluding the Cable Division following the receipt on 5 August 2010, of a binding offer from funds affiliated with Apollo Global Management, LLC. (“Apollo”) and the Fonds Stratégique dInvestissement (FSI) to buy a 61 per cent stake in AEP, excluding the Cable Division. The divestment was completed on 4 January 2011. The terms of the transaction are confidential. Refer to note 48 – Events after the statement of financial position date.
At 31 December 2009
At 31 December 2009, assets and liabilities held for sale mainly comprised Alcans Packaging group (“Packaging”). An impairment of US$318 million relating to the Packaging business was recognised during the year ended 31 December 2009, and included in “Loss after tax from discontinued operations”. “Loss after tax from discontinued operations” of US$449 million also included a US$131 million tax charge relating to an increase in the Groups estimate of the tax to be paid on sale of the Packaging business.
Proceeds from disposal
Rio Tinto completed the sale of Alcan Packaging global pharmaceuticals, global tobacco, food Europe and food Asia divisions to Amcor for a total consideration of US$1,948 million on 1 February 2010. The consideration was adjusted to exclude Medical Flexibles operations and to reflect actual business performance over the six months preceding completion.
The sale of the Alcan Packaging Food Americas division to Bemis Company Inc. for a total consideration of US$1.2 billion, was completed on 1 March 2010.
On 5 July 2010, Rio Tinto completed the divestment of the remainder of its Alcan Packaging business with the closing of the sale of the Medical Flexibles business acquired by Amcor for US$66 million and of the sale of the Alcan Beauty Packaging business acquired by Sun European Partners LLP for an undisclosed sum.
20  Other financial assets
                                 
    Non-current     Current     Non-current     Current  
    2010     2010     2009     2009  
    US$m     US$m     US$m     US$m  
 
Currency and commodity contracts: designated as hedges
                      8  
Derivatives and embedded derivatives not related to net debt: not designated as hedges
    19       124       65       226  
Derivatives related to net debt
    137       6              
Equity shares and quoted funds
    585       365       439       219  
Other investments, including loans
    593       26       337       168  
Other liquid resources (non-cash equivalent)
                      73  
 
 
    1,334       521       841       694  
 
Detailed information relating to other financial assets is given in note 34.
()


 
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Notes to the 2010 financial statements continued
 
21  Cash and cash equivalents
                 
    2010     2009  
    US$m     US$m  
 
Cash at bank and in hand
    1,785       831  
Short term bank deposits
    8,163       3,402  
 
Balance per Group statement of financial position
    9,948       4,233  
 
Bank overdrafts repayable on demand (unsecured)
    (7 )     (91 )
Cash and cash equivalents included in Assets held for sale
    18        
 
Balance per Group cash flow statement
    9,959       4,142  
 
Cash and cash equivalents include US$398 million (2009: US$16 million) for which there are restrictions on remittances.
22  Borrowings
                                         
            Non-current     Current     Non-current     Current  
            2010     2010     2009     2009  
Borrowings at 31 December   Note     US$m     US$m     US$m     US$m  
 
Syndicated bank loans (a)
                        8,480        
Other loans
                                       
Finance leases
    23       70       12       104       19  
Rio Tinto Finance (USA) Limited Bonds 7.125% 2013 (b)
            98             100        
Rio Tinto Finance (USA) Limited Bonds 5.875% 2013 (b) (c)
            621             2,622        
Rio Tinto Finance (USA) Limited Bonds 8.95% 2014 (b)
            1,922             1,967        
Rio Tinto Finance (USA) Limited Bonds 1.875% 2015
            500                    
Rio Tinto Finance (USA) Limited Bonds 6.5% 2018 (b) (c)
            1,953             1,878        
Rio Tinto Finance (USA) Limited Bonds 9.0% 2019 (b)
            1,446             1,449        
Rio Tinto Finance (USA) Limited Bonds 3.5% 2020
            992                    
Rio Tinto Finance (USA) Limited Bonds 7.125% 2028 (b) (c)
            906             871        
Rio Tinto Finance (USA) Limited Bonds 5.20% 2040
            500                    
Alcan Inc. Debentures 6.45% due 2011 (b)
                  401       406        
Alcan Inc. Global Notes 4.875% due 2012 (b)
            496             494        
Alcan Inc. Global Notes 4.50% due 2013 (b)
            486             486        
Alcan Inc. Global Notes 5.20% due 2014 (b)
            487             495        
Alcan Inc. Global Notes 5.00% due 2015 (b)
            470             485        
Alcan Inc. Debentures 7.25% due 2028
            108             109        
Alcan Inc. Debentures 7.25% due 2031
            436             437        
Alcan Inc. Global Notes 6.125% due 2033
            738             737        
Alcan Inc. Global Notes 5.75% due 2035
            282             281        
Colowyo Coal Company L.P. Bonds 9.56% 2011
                  12       23        
Colowyo Coal Company L.P. Bonds 10.19% 2016
            35             69       5  
European Medium Term Notes (d)
                              322  
Other secured loans
            356       41       325       63  
Other unsecured loans
            375       591       337       347  
 
Total borrowings (e)
            13,277       1,057       22,155       756  
 
 
(a)   Syndicated bank loans related to revolving credit facilities arranged for the acquisition of Alcan Inc. in 2007, all of which had been fully repaid and cancelled at 31 December 2010 (2009: US$8.5 billion). The US$5 billion revolving syndicated bank Facility C was undrawn at 31 December 2009. In addition to the syndicated bank loan facilities shown above, there were US$2.3 billion of unused committed bilateral banking facilities at 31 December 2009 consisting of US$1.0 billion maturing December 2011 and US$1.3 billion maturing December 2012. These facilities were cancelled in November 2010 when a US$6 billion five year stand-by revolving credit facility was entered into by the Group. The US$6 billion facility was undrawn at 31 December 2010. Any borrowings under this facility are at prevailing LIBOR rates plus an agreed margin dependent on the amount of drawdown and the credit rating of the Group. The facility is not subject to any financial covenants. Refer to note 33 (v) –Liquidity and Capital risk management for further details.
 
(b)   As at 31 December 2010, US$7.6 billion notional of the fixed rate borrowings shown were fully swapped to floating rates and US$0.3 billion notional of the Rio Tinto Finance (USA) Limited 9.0 per cent 2019 fixed interest rate bond was swapped for the first two years to floating rates. Fair value hedge accounting has been applied to all borrowings except for Alcan Inc. Debentures 6.45 per cent due 2011 and Alcan Inc. Global Notes 4.875 per cent due 2012. The fair value of interest rate swap assets and liabilities at 31 December 2010 was US$143 million and US$34 million, respectively. These are included in “other financial assets” and “other financial liabilities” in the statement of financial position. Details of the major interest rate swaps are shown in note 34 – B(c).
 
(c)   As at 31 December 2009, US$5.0 billion notional of the fixed rate borrowings shown were fully swapped to floating rates. Fair value hedge accounting was applied to all borrowings. The fair value of interest rate swaps at 31 December 2009 was US$97 million. These are included in “other financial liabilities” in the statement of financial position. Details of the major currency swaps are shown in note 34 – B(c).
 
(d)   Rio Tinto has a US$10 billion (2009: US$10 billion) European Medium Term Note (EMTN) programme for the issuance of debt, of which nil was outstanding at 31 December 2010 (2009: US$0.3 billion). The Group’s EMTNs were swapped to US dollars; there were no fair value of currency swap liabilities at 31 December 2010 (2009: US$68 million included in “other financial liabilities” in the statement of financial position). Details of the major currency swaps are shown in note 34 – B(c).
 
(e)   The Group’s borrowings of US$14.3 billion (2009: US$22.9 billion) include some US$4.4 billion (2009: US$4.6 billion) which relates to borrowings of subsidiaries that are without recourse to the Group, some of which are subject to various financial and general covenants with which the respective borrowers were in compliance as at 31 December 2010.


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23  Capitalised finance leases
                 
    2010     2009  
    US$m     US$m  
 
Present value of minimum lease payments
               
Total minimum lease payments
    89       131  
Effect of discounting
    (7)       (8 )
 
 
    82       123  
 
 
               
Payments under capitalised finance leases:
               
Due within one year
    12       19  
Between 1 and 3 years
    21       40  
Between 3 and 5 years
    12       29  
More than 5 years
    37       35  
 
 
    82       123  
 
24  Consolidated net debt
                 
    2010     2009  
    US$m     US$m  
 
Analysis of changes in consolidated net debt
               
At 1 January
    (18,861 )     (38,672 )
Adjustment on currency translation
    (1,269 )     (2,265 )
Exchange gains credited to the income statement (a)
    1,130       2,222  
Gains on derivatives related to net debt
          20  
Cash movements excluding exchange movements
    15,244       19,909  
Newly consolidated operations
    (213 )      
Other movements
    (315 )     (75 )
 
At 31 December
    (4,284 )     (18,861 )
 
 
               
Reconciliation to statement of financial position categories:
               
Borrowings (note 22)
    (14,334 )     (22,911 )
Bank overdrafts repayable on demand (note 21)
    (7 )     (91 )
Cash and cash equivalents (note 21)
    9,948       4,233  
Other liquid resources (note 20)
          73  
Derivatives related to net debt (note 34)
    109       (165 )
 
 
    (4,284 )     (18,861 )
 
                         
    2010     2009     2008  
    US$m     US$m     US$m  
 
Exchange gains/(losses) on US dollar net debt and intragroup balances excluded from Underlying earnings
                       
Exchange gains/(losses) on US dollar net debt
    1,119       2,211       (1,675 )
Exchange (losses)/gains on intragroup balances
    (589 )     (1,912 )     1,523  
Exchange gains/(losses) on loans from equity accounted units
    20       36       (36 )
Exchange (losses)/gains on settlement of dividend
    (21 )     30       12  
 
Credited/(charged) to income statement
    529       365       (176 )
 
 
(a)   Exchange gains taken to the income statement include amounts taken to Underlying earnings.
Further information relating to the currency and interest rate exposures arising from net debt and related derivatives is given in note 34 – B(c) on Financial instruments.
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Notes to the 2010 financial statements continued
 
25   Trade and other payables
                                 
    Non-current     Current     Non-current     Current  
    2010     2010     2009     2009  
    US$m     US$m     US$m     US$m  
 
Trade payables
          2,068             1,959  
Amounts owed to equity accounted units
    505       222       197       205  
Other payables (a)
    138       865       128       512  
Employee entitlements
          681             856  
Royalties and mining taxes
          594             325  
Accruals and deferred income
    109       2,097       125       1,865  
Government grants deferred
    127       49       141       37  
 
 
    879       6,576       591       5,759  
 
(a)   “Other payables” include deferred consideration of US$108 million (2009: US$119 million) relating to certain assets acquired. The deferred consideration is included at its net present value. The amortisation of the discount applied in establishing the net present value is treated as a finance cost. All other accounts payable and accruals are non-interest bearing.
Due to their short term maturities, the fair value of trade and other payables approximates their carrying value.
26   Other financial liabilities
                                 
    Non-current     Current     Non-current     Current  
    2010     2010     2009     2009  
    US$m     US$m     US$m     US$m  
 
Forward commodity contracts: designated as hedges
    262       159       371       128  
Derivatives related to net debt
    34             97       68  
Other derivatives and embedded derivatives: not designated as hedges
    63       106       133       167  
Other financial liabilities
    57                   49  
 
 
    416       265       601       412  
 
Detailed information relating to other financial liabilities is given in note 34.


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27   Provisions (not including taxation)
                                                 
                    Close down and                      
    Pensions and post             restoration/                      
    retirement     Other employee     environmental             Total     Total  
    healthcare  (a)   entitlements  (b)   (c) (d) (e)   Other     2010     2009  
    US$m     US$m     US$m     US$m     US$m     US$m  
 
At 1 January
    5,150       795       6,916       833       13,694       10,933  
Adjustment on currency translation
    (68 )     63       465       1       461       913  
Amounts capitalised
                872             872       268  
Subsidiaries now equity accounted
                                  (277 )
Charged/(credited) to income statement:
                                               
– new provisions
          209             20       229       62  
– increases to existing provisions
    346       124       123       62       655       769  
– unused amounts reversed
          (25 )     (48 )     (1 )     (74 )     (82 )
– exchange (gains)/losses on provisions
          (4 )     97       4       97       181  
Amortisation of discount
          4       293       2       299       255  
Utilised in year
    (1,110 )     (272 )     (102 )     (133 )     (1,617 )     (833 )
Actuarial losses recognised in equity
    860                         860       693  
Transfers (to)/from assets held for sale
    (718 )     (21 )     (19 )     (71 )     (829 )     774  
Transfers and other movements
    12       (7 )     5       (178 )     (168 )     38  
 
At 31 December
    4,472       866       8,602       539       14,479       13,694  
 
Statement of financial position analysis:
                                               
Current
    133       508       267       209       1,117       1,182  
Non-current
    4,339       358       8,335       330       13,362       12,512  
 
Total
    4,472       866       8,602       539       14,479       13,694  
 
(a)   The main assumptions used to determine the provision for pensions and post retirement healthcare, and other information, including the expected level of future funding payments in respect of those arrangements, are given in note 50.
 
(b)   The provision for other employee entitlements includes a provision for long service leave of US$267 million (2009: US$205 million), based on the relevant entitlements in certain Group operations and includes US$132 million (2009: US$229 million) of provision for redundancy and severance payments. On 1 July 2010, the Performance Share Plan (formerly the Mining Companies Comparative Plan) was redesignated from cash-settled to equity-settled due to a change in settlement terms. This resulted in a provision balance of US$57 million being reclassified to reserves, refer to note 30. Further details of the plan’s treatment are provided in note 49.
 
(c)   The Group’s policy on close down and restoration costs is described in note 1(k). Close down and restoration costs are a normal consequence of mining, and the majority of close down and restoration expenditure is incurred at the end of the relevant operation. Remaining lives of mines and infrastructure range from one to over 50 years with an average, weighted by closure provision, of around 21 years (2009: 23 years). Although the ultimate cost to be incurred is uncertain, the Group’s businesses estimate their respective costs based on feasibility and engineering studies using current restoration standards and techniques. Provisions of US$8,602 million (2009: US$6,916 million) for close down and restoration costs and environmental clean up obligations include estimates of the effect of future inflation and have been adjusted to reflect risk. These estimates have been discounted to their present value at an average rate of approximately four per cent per annum, being an estimate of the long term, risk free, pre-tax cost of borrowing. Excluding the effects of future inflation, and before discounting, this provision is equivalent to some US$12.3 billion (2009: US$10.1 billion).
 
(d)   Some US$687 million (2009: US$505 million) of environmental clean up expenditure is expected to take place within the next five years. The remainder includes amounts for the operation and maintenance of remediation facilities in later years. The provision for environmental clean up expenditure includes the issue described in (e) below.
 
(e)   Includes provision for remediation of contamination of ground water in the vicinity of the Bingham Canyon mine as a result of the agreement between Kennecott Utah Copper (KUC) with the US Environmental Protection Agency (EPA) and the State of Utah in 1995. In September 2008, the EPA withdrew its proposal to list the Kennecott South Zone Site on the Superfund National Priorities List. This action recognises that soil clean up work is complete and that groundwater clean up is adequately initiated and financial assurance is in place to assure completion of the work.
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Notes to the 2010 financial statements continued
 
28   Share capital – Rio Tinto plc
                                                 
    2010     2009     2008                    
    Number     Number     Number     2010     2009     2008  
    (million)     (million)     (million)     US$m     US$m     US$m  
 
Issued and fully paid up share capital
                                               
At 1 January
    1,529.00       1,004.10       1,071.80       246       160       172  
Ordinary shares issued (a) (c)
          524.90       0.18             86        
Own shares purchased and cancelled (b)
                (67.88 )                 (12 )
 
At 31 December
    1,529.00       1,529.00       1,004.10       246       246       160  
 
– Special Voting Share of 10p (d)
  1 only     1 only     1 only                          
– DLC Dividend Share of 10p (d)
  1 only     1 only     1 only                          
– shares repurchased and held in treasury
    2.69       5.03       5.91                          
– shares held by public
    1,526.31       1,523.97       998.19                          
 
 
                                               
Shares held by public
                                               
 
At 1 January
    1,523.97       998.19       997.25                          
Ordinary shares issued (a) (c)
          524.90       0.18                          
Shares reissued from treasury (a) (b)
    2.34       0.88       0.76                          
 
At 31 December
    1,526.31       1,523.97       998.19                          
 
 
                                               
Unissued share capital
                                               
Ordinary shares of 10p each
    171.00       171.00       417.13       27       27       63  
Equalisation Share of 10p (d)
  1 only     1 only     1 only                    
 
Total authorised share capital
    1,700.00       1,700.00       1,421.23       273       273       223  
 
(a)   No new Ordinary shares were issued in 2010. 2,336,005 Ordinary shares were reissued from treasury during the year resulting from the exercise of options under Rio Tinto plc employee share based payment plans, with exercise prices between £7.98p and £40.07p per share (2009: 440,018 shares issued, and 874,925 shares reissued from treasury with exercise prices between £7.98p and £29.38p per share; 2008: 183,714 shares issued, and 763,919 shares reissued from treasury with exercise prices between £8.09p and £35.57p per share). 524,460,478 new Ordinary shares were issued in July 2009 as a result of the Rio Tinto plc rights issue. Further detail on rights issues is provided in note 46.
 
(b)   The authority for the Company to buy back its Ordinary shares was renewed at the 2010 annual general meeting. No shares were bought back and held in treasury from 2008 to 2010. Refer to note 48 for details of the share buy-back programme announced after the statement of financial position date.
 
    During 2008, as part of the Group’s internal capital management programme, Rio Tinto undertook a series of transactions, whereby 67,880,000 shares held by Rio Tinto plc in treasury were sold to Rio Tinto Limited at market value, before being immediately repurchased by Rio Tinto plc for a nominal amount, pursuant to the share purchase approval granted by Rio Tinto plc shareholders at the 2008 Rio Tinto plc annual general meeting. The shares were then cancelled upon their repurchase by Rio Tinto plc.
 
(c)   The aggregate consideration received for treasury shares reissued was US$92 million (2009: US$3 million; 2008: US$25 million). No new shares were issued as a result of the exercise of options under Rio Tinto plc employee share based payment plans. The aggregate consideration for new shares issued resulting from the exercise of options under Rio Tinto plc employee share based payment plans was US$32 million in 2009 and US$6 million in 2008.
 
    The aggregate gross consideration received for new shares issued arising from the rights issue during 2009 was US$12.0 billion. The difference between the nominal value and issue price of the shares issued was credited to merger reserve and expenses associated with the rights issue were charged against the share premium account.
 
(d)   The “Special Voting Share” was issued to facilitate the joint voting by shareholders of Rio Tinto plc and Rio Tinto Limited on Joint Decisions, following the DLC merger. Directors have the ability to issue an Equalisation Share if that is required under the terms of the DLC Merger Sharing Agreement. The “DLC Dividend Share” was issued to facilitate the efficient management of funds within the DLC structure.
During 2010, US$39 million of shares (2009: US$17 million of shares; 2008: nil) were purchased by the Employee Share Ownership Trust on behalf of Rio Tinto plc to satisfy future share options and awards as they vest.
Information relating to share options and other share based incentive schemes is given in note 49 on share based payments.
      


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29   Share capital – Rio Tinto Limited
                                                 
    2010     2009     2008                    
    Number     Number     Number     2010     2009     2008  
    (million)     (million)     (million)     US$m     US$m     US$m  
 
Issued and fully paid up share capital
                                               
At 1 January
    435.76       285.75       285.75       4,924       961       1,219  
Adjustment on currency translation
                      677       710       (258 )
Ordinary shares issued (a)
          150.01                   3,253        
 
At 31 December
    435.76       435.76       285.75       5,601       4,924       961  
– Share capital held by Rio Tinto plc (c)
          171.07       171.07                          
– Special Voting Share of 10p (b)
  1 only     1 only     1 only                          
– DLC Dividend Share of 10p (b)
  1 only     1 only     1 only                          
 
Total share capital (b)
    435.76       606.83       456.82                          
 
(a)   No new Ordinary shares were issued during 2010. 150,015,297 Ordinary shares were issued during 2009 as a result of the Rio Tinto Limited rights issue. The aggregate gross consideration received for new shares issued during 2009 was US$3.2 billion. Further detail on rights issues is provided in note 46.
 
(b)   The “Special Voting Share” was issued to facilitate the joint voting by shareholders of Rio Tinto Limited and Rio Tinto plc on Joint Decisions following the DLC merger. Directors have the ability to issue an Equalisation Share if that is required under the terms of the DLC Merger Sharing Agreement. The “DLC Dividend Share” was issued to facilitate the efficient management of funds within the DLC structure.
 
(c)   The authority for the Company to buy back shares was renewed at the 2010 annual general meeting. During the year ended 31 December 2010, Rio Tinto Limited purchased and cancelled 171,072,520 ordinary shares off-market, which were held by Tinto Holdings Australia Pty Limited (a wholly owned subsidiary of Rio Tinto plc). The selective buy-back and cancellation were approved by shareholders at the 2010 Rio Tinto Limited annual general meeting. As a result of these transactions, no ordinary shares in Rio Tinto Limited were held by the above subsidiary of Rio Tinto plc at 31 December 2010. No shares were bought back during 2009 and 2008. Refer to note 48 for details of the share buy-back programme announced after the statement of financial position date.
Share options exercised during the year to 31 December 2010 under various Rio Tinto Limited employee share option schemes were satisfied by the on-market purchase of Rio Tinto Limited shares by a third party on the Group’s behalf.
Information relating to share options and other share based incentive schemes is given in note 49 on share based payments.
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Notes to the 2010 financial statements continued
 
30   Other reserves and retained earnings
                         
    2010     2009     2008  
    US$m     US$m     US$m  
 
Capital redemption reserve (a)
                       
At 1 January
    12       12        
Own shares purchased and cancelled
                12  
 
At 31 December
    12       12       12  
 
 
                       
Hedging reserves (b)
                       
At 1 January
    (128 )     14       (174 )
Parent and subsidiaries’ net cash flow hedge fair value (losses)/gains
    (72 )     (206 )     28  
Parent and subsidiaries’ net cash flow hedge losses transferred to the income statement
    47       16       245  
Net movement on equity accounted units’ cash flow hedges
    (1 )           3  
Cash flow hedge gains reclassified on disposal
          (4 )      
Tax on the above
    (1 )     52       (88 )
 
At 31 December
    (155 )     (128 )     14  
 
 
                       
Available for sale revaluation reserves (c)
                       
At 1 January
    247       (107 )     57  
Gains/(losses) on available for sale securities
    213       357       (173 )
Gains on available for sale securities transferred to the income statement
    (10 )     (3 )     (1 )
Tax on the above
    (23 )           10  
 
At 31 December
    427       247       (107 )
 
 
                       
Other reserves (d)
                       
At 1 January
    11,776       (169 )     19  
Own shares purchased from Rio Tinto Limited shareholders to satisfy share options
    (84 )     (35 )     (128 )
Employee share options: value of services
    48       30       27  
Merger reserve arising from Rio Tinto plc’s rights issue (d)
          11,936        
Deferred tax on share options
    21       14       (87 )
Cash settled share options reclassified as equity settled
    24              
 
At 31 December
    11,785       11,776       (169 )
 
 
                       
Foreign currency translation reserve (e)
                       
At 1 January
    2,103       (2,072 )     2,514  
Parent and subsidiaries currency translation and exchange adjustments
    1,230       3,732       (4,383 )
Equity accounted units’ currency translation adjustments
    208       456       (300 )
Currency translation reclassified on disposal
    6       (13 )     (2 )
Tax on the above
    27             99  
 
At 31 December
    3,574       2,103       (2,072 )
 
 
                       
 
Total other reserves per statement of financial position
    15,643       14,010       (2,322 )
 


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    2010     2009     2008  
    US$m     US$m     US$m  
 
Retained earnings (f)
                       
At 1 January
    20,477       17,134       19,033  
Parent and subsidiaries’ profit for the year
    14,315       4,497       3,879  
Equity accounted units’ retained profit/(loss) for the year
    9       375       (203 )
Actuarial losses (g)
    (769 )     (973 )     (1,299 )
Tax relating to components of other comprehensive income
    236       269       365  
 
Total comprehensive income for the year
    13,791       4,168       2,742  
Dividends paid
    (1,754 )     (876 )     (1,933 )
Own shares purchased and cancelled
                (2,767 )
Own shares purchased from Rio Tinto plc shareholders to satisfy share options
    (39 )     (17 )      
Ordinary shares held in treasury, reissued to satisfy share options
    8       3       25  
Employee share options (h)
    69       65       34  
Cash settled share options reclassified as equity settled
    33              
 
At 31 December
    32,585       20,477       17,134  
 
 
(a)   The capital redemption reserve was set up to comply with section 170 of the Companies Act 1985, when shares of a company are redeemed or purchased wholly out of the company’s profits. The amount at 31 December 2010 reflects the amount by which the Company’s issued share capital is diminished in accordance with section 733 of the Companies Act 2006.
 
(b)   The hedging reserve records gains or losses on cash flow hedges that are recognised initially in equity, as described in note 1(p.iii).
 
(c)   The available for sale revaluation reserves record fair value gains or losses relating to available for sale securities, as described in note 1(p.i).
 
(d)   Other reserves record the cumulative amount recognised under IFRS 2 in respect of options granted but not exercised to acquire shares in Rio Tinto Limited, less, where applicable, the cost of shares purchased to satisfy share options exercised. The cumulative amount recognised under IFRS 2 in respect of options granted but not exercised to acquire shares in Rio Tinto plc is recorded in retained earnings.
 
    Other reserves includes US$11,936 million which represents the difference between the nominal value and issue price of the shares issued arising from Rio Tinto plc’s rights issue completed in July 2009. No share premium was recorded in the Rio Tinto plc financial statements through the operation of the merger relief provisions of the Companies Act 1985.
 
(e)   Exchange differences arising on the translation of the Group’s net investment in foreign controlled companies are taken to the foreign currency translation reserve, as described in note 1(d). The cumulative differences relating to an investment are transferred to the income statement when the investment is disposed of.
 
(f)   Retained profit and movements in reserves of subsidiaries include those arising from the Group’s share of proportionally consolidated units.
 
(g)   This includes actuarial losses relating to equity accounted units of US$4 million (2009: US$126 million; 2008: US$5 million).
 
(h)   The movement during 2009 included IFRS 2 charges arising from a Broad Based Black Economic Empowerment (BBBEE) transaction. The discount to fair value arising from this transaction was treated as a share based payment in accordance with IFRIC 8 Scope of IFRS 2 (Share based Payments) and AC 503 Accounting for BEE Transactions.
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Notes to the 2010 financial statements continued
 
31   Operating segments
                         
    2010     2009     2008  
Sales revenue (a)   US$m     US$m     US$m  
 
Iron Ore
    24,024       12,598       16,527  
Aluminium
    15,206       12,038       18,297  
Copper
    7,782       6,206       5,748  
Energy
    5,652       4,869       5,984  
Diamonds & Minerals
    3,035       2,618       3,820  
Other Operations
    5,734       6,563       9,405  
 
Reportable segments total
    61,433       44,892       59,781  
Inter-segment transactions
    (1,110 )     (856 )     (1,716 )
 
Gross sales revenue
    60,323       44,036       58,065  
Less share of equity accounted units sales revenue
    (3,747 )     (2,211 )     (3,801 )
 
Consolidated sales revenue
    56,576       41,825       54,264  
 
 
                       
Underlying earnings (b)
                       
 
Iron Ore
    10,189       4,126       6,017  
Aluminium
    773       (560 )     1,281  
Copper
    2,534       1,878       1,615  
Energy
    1,187       1,167       2,432  
Diamonds & Minerals
    328       800       474  
Other Operations
    71       71       13  
 
Reportable segments total
    15,082       7,482       11,832  
Inter-segment transactions
    (15 )     (28 )     25  
Other items
    (554 )     (577 )     (391 )
Exploration and evaluation not attributed to product groups
    (52 )     5       (133 )
Net interest
    (474 )     (584 )     (1,030 )
 
Underlying earnings
    13,987       6,298       10,303  
Items excluded from Underlying earnings (note 2)
    337       (1,426 )     (6,627 )
 
Net earnings attributable to owners of Rio Tinto per income statement
    14,324       4,872       3,676  
 
 
                       
Depreciation and amortisation (c)
                       
Iron Ore
    993       763       705  
Aluminium
    1,563       1,551       1,543  
Copper
    565       541       442  
Energy
    367       296       415  
Diamonds & Minerals
    268       290       361  
Other Operations
    89       315       332  
 
Reportable segments total
    3,845       3,756       3,798  
Other items
    114       111       91  
Less: depreciation and amortisation of equity accounted units
    (522 )     (440 )     (414 )
 
Depreciation and amortisation per note 3
    3,437       3,427       3,475  
 


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    2010     2009     2008  
Tax charge (d)   US$m     US$m     US$m  
 
Iron Ore
    4,602       1,868       2,869  
Aluminium
    (110 )     (565 )     875  
Copper
    705       582       261  
Energy
    537       521       944  
Diamonds & Minerals
    (39 )     37       287  
Other Operations
    10       70       4  
 
Reportable segments total
    5,705       2,513       5,240  
Other items
    (216 )     (270 )     (99 )
Exploration and evaluation not attributed to product groups
    1       (30 )     (31 )
Net interest
    (152 )     (228 )     (380 )
 
 
    5,338       1,985       4,730  
Tax charge excluded from Underlying earnings (note 2)
    (42 )     91       (988 )
 
Tax charge per income statement
    5,296       2,076       3,742  
 
 
                       
Capital expenditure
                       
Iron Ore
    1,716       2,148       2,996  
Aluminium
    1,328       1,690       2,417  
Copper
    958       553       804  
Energy
    685       510       666  
Diamonds & Minerals
    300       519       1,283  
Other Operations
    237       404       662  
 
Reportable segments total
    5,224       5,824       8,828  
Other items
    75       54       151  
Less: capital expenditure of equity accounted units
    (746 )     (522 )     (491 )
 
Capital expenditure per Financial information by business units
    4,553       5,356       8,488  
 
Add: Proceeds from disposal of property, plant and equipment
    38       32       90  
Less: Funding of equity accounted units for major capital expenditure
                (4 )
 
Capital expenditure per cash flow statement
    4,591       5,388       8,574  
 
Rio Tinto’s management structure is based on the principal product groups shown above together with the global functions that support the business. The chief executive of each product group reports to the chief executive of Rio Tinto. The chief executive of Rio Tinto monitors the performance of each product group based on a number of measures including capital expenditure and operating cash flows, with Underlying earnings being the key financial performance indicator. Interest costs and net debt are managed on a group basis.
Generally, business units are allocated to product groups based on their primary product. The Energy product group includes both coal and uranium businesses. The Diamonds & Minerals product group includes businesses with products such as borates, talc and titanium dioxide feedstock together with diamonds operations. The Copper group includes certain gold operations in addition to copper. The Aluminium group excludes Alcan Engineered Products which is included in “Other Operations”. Other Operations includes Rio Tinto’s interests in its US coal operations formerly reported under Rio Tinto Energy America within the Energy product group. 2009 and 2008 comparatives have been restated accordingly.
The Financial information by business unit provided on page 250 of these financial statements provide additional voluntary disclosure which the Group considers is useful to the users of the financial statements.
(a) Sales revenue
Product group gross sales revenue includes the Group’s share of the sales revenue of equity accounted units after adjusting for sales to subsidiaries.
Inter-segment transactions relate to sales between Aluminium and Alcan Engineered Products which is included in Other Operations.
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Notes to the 2010 financial statements continued
 
31   Operating segments continued
(b) Underlying earnings
As discussed in note 2, “Underlying earnings” is an alternative measure of earnings which provides a greater understanding of the underlying business performance of the Group’s operations. The measure of Underlying earnings is used by the chief executive of Rio Tinto to assess the performance of the product groups.
Product group earnings include earnings of subsidiaries and equity accounted units stated before finance items but after the amortisation of discount.
Rio Tinto’s share of the Underlying earnings of equity accounted units amounts to US$1,202 million in 2010 (2009: US$864 million; 2008: US$1,047 million). This amount is attributable as follows: US$1,016 million profit to the Copper group and US$186 million profit to other product groups (2009: US$750 million profit attributable to the Copper product group and US$114 million profit to other product groups; 2008: US$852 million profit attributable to the Copper product group and US$195 million profit to other product groups). These amounts are included in Underlying earnings of the relevant product groups and include the Underlying earnings of the Group’s tolling entities which process bauxite and alumina. Tolling entities recharge the majority of their costs and would generally have minimal earnings.
The Energy product group’s Underlying earnings in 2010 included US$229 million profit after tax in relation to the divestment of Maules Creek and Vickery coal projects. The Diamonds & Minerals product group’s Underlying earnings in 2009 included US$797 million profit after tax in relation to the divestment of undeveloped potash assets in Argentina and Canada. In 2008, the Energy product group’s Underlying earnings included a US$483 million profit after tax in relation to divestment of the undeveloped Kintyre uranium project in Western Australia.
(c) Depreciation and amortisation
Product group depreciation and amortisation totals include 100 per cent of subsidiaries’ depreciation and amortisation and include Rio Tinto’s share of the depreciation and amortisation of equity accounted units. Rio Tinto’s share of the depreciation and amortisation charge of equity accounted units is deducted to arrive at depreciation and amortisation excluding equity accounted units as shown in note 3. These figures exclude impairment charges, which are excluded from Underlying earnings.
(d) Tax charge
This relates to the tax charge on the product group’s Underlying earnings. The reconciling item is the tax on amounts that are excluded in arriving at Underlying earnings. Within product groups, tax of subsidiaries is stated before tax on finance items but after tax on the amortisation of the discount related to provisions. The tax charge excludes tax on the earnings of equity accounted units of US$737 million (2009: US$491 million; 2008: US$596 million) of which US$677 million (2009: US$498 million; 2008: US$515 million) relates to the Copper product group.
32   Operating segments – additional information
                                                 
    2010     2009     2008     2010     2009     2008  
Sales revenue by destination (a)   %     %     %     US$m     US$m     US$m  
 
China
    27.8       24.3       18.8       16,743       10,691       10,934  
Japan
    15.6       13.5       15.2       9,410       5,921       8,825  
United States of America
    14.9       19.5       18.8       9,013       8,569       10,900  
Other Europe (excluding United Kingdom)
    14.4       14.4       20.7       8,682       6,337       12,015  
Other Asia
    14.4       13.2       11.1       8,665       5,822       6,453  
Canada
    3.6       3.6       3.6       2,174       1,621       2,084  
United Kingdom
    2.3       2.6       3.6       1,398       1,161       2,112  
Australia
    2.1       3.1       3.0       1,252       1,373       1,737  
Other
    4.9       5.8       5.2       2,986       2,541       3,005  
 
Gross sales revenue
    100.0       100.0       100.0       60,323       44,036       58,065  
Less share of equity accounted units sales revenue
                            (3,747 )     (2,211 )     (3,801 )
 
Consolidated sales revenue
                            56,576       41,825       54,264  
 
 
(a)   Sales by geographical destination are based on the ultimate country of destination of the product if known. If the eventual destination of the product sold through traders is not known then revenue is allocated to the location of the product at the time when the risks and rewards of ownership are passed. Rio Tinto is domiciled in both the United Kingdom and Australia.


208  Rio Tinto 2010 Annual report
 


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Sales revenue by product
Sales revenues of the Group are derived from the following products sold to external customers:
                         
    2010     2009     2008  
    US$m     US$m     US$m  
     
Iron ore
    23,834       12,096       15,975  
Aluminium
    13,808       11,126       16,542  
Copper
    5,716       4,775       4,495  
Coal
    5,360       5,683       7,011  
Industrial minerals
    2,955       2,677       3,388  
Gold
    1,086       972       379  
Diamonds
    682       450       840  
Other
    6,882       6,257       9,435  
     
Gross sales revenue
    60,323       44,036       58,065  
Less share of equity accounted units sales revenue
    (3,747 )     (2,211 )     (3,801 )
     
Consolidated sales revenue
    56,576       41,825       54,264  
 
Non-current assets other than financial instruments and deferred tax assets
The total of non-current assets other than financial instruments, deferred tax assets, post-employment benefit assets and assets held for sale by location is shown below. This is allocated based on the location of the business units holding the assets.
                 
    2010     2009  
Non-current assets other than financial instruments and deferred tax assets (a)   US$m     US$m  
     
Australia
    36,460       31,543  
Canada
    25,349       24,766  
United States
    4,398       4,720  
South America
    2,404       2,419  
France
    1,890       2,298  
Africa
    1,642       1,665  
United Kingdom
    1,433       928  
Europe (excluding France)
    1,322       2,041  
Indonesia
    646       587  
Other countries
    8,266       1,212  
     
 
    83,810       72,179  
     
Non-current assets excluded from analysis above:
               
Deferred tax assets
    1,863       2,231  
Tax recoverable
    89       85  
Derivatives and other financial assets
    1,334       841  
Loans to equity accounted units (b)
    1,363       1,593  
Accounts receivable
    778       593  
     
Total non-current assets per statement of financial position
    89,237       77,522  
 
 
(a)   Includes investments in equity accounted units totalling US$5,367 million (2009: US$5,312 million) which represents the Group’s share of net assets excluding quasi-equity loans shown separately within “Loans to equity accounted units” above.
 
(b)   Loans to equity accounted units comprise quasi-equity loans of US$1,136 million (2009: US$1,423 million) included in “Investments in equity accounted units” on the face of the statement of financial position and non-quasi equity loans of US$227 million (2009: US$170 million) shown separately.
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Notes to the 2010 financial statements continued
 
33  Financial risk management
The Group’s policies with regard to financial risk management are clearly defined and consistently applied. They are a fundamental part of the Group’s long term strategy covering areas such as foreign exchange risk, interest rate risk, commodity price risk, credit risk, liquidity risk and capital management.
Generally, the Group only sells commodities it has produced but also enters into third party direct transactions and physical swaps on alumina to balance the regional positions and to balance the loading on production facilities. In the long term, natural hedges operate in a number of ways to help protect and stabilise earnings and cash flow.
The Group has a diverse portfolio of commodities and markets, which have varying responses to the economic cycle. The relationship between commodity prices and the currencies of most of the countries in which the Group operates provides further natural protection in the long term. Production of minerals is an important contributor to the Gross Domestic Products of Australia and Canada, countries in which the Group has a large presence. As a consequence, the Australian and Canadian currencies have historically tended to strengthen when commodity prices are high. In addition, the Group’s policy of borrowing primarily at floating US dollar interest rates, after the impact of hedging, helps to counteract the effect of economic and commodity price cycles. These natural hedges significantly reduce the necessity for using derivatives or other forms of synthetic hedging. Such hedging is therefore undertaken to a strictly limited degree, as described below.
Treasury operates as a service to the business of the Rio Tinto Group and not as a profit centre. Strict limits on the size and type of transaction permitted are laid down by the Rio Tinto board and are subject to rigorous internal controls. Senior management is advised of corporate debt and currency, commodity and interest rate derivatives through a monthly reporting framework.
Rio Tinto does not acquire or issue derivative financial instruments for trading or speculative purposes; nor does it believe that it has material exposure to such trading or speculative holdings through its investments in joint ventures and associates. Derivatives are used to separate funding and cash management decisions from currency exposure and interest rate management. The Group uses interest rate and cross currency interest rate swaps in conjunction with longer term funds raised in the capital markets to achieve a predominantly floating rate obligation which is consistent with the Group’s interest and exchange rate policies, ie primarily US dollar LIBOR. However, the Group reserves the right to realise swap positions to take advantage of favourable market conditions and to manage counterparty credit risk. No material exposure to financial instruments held by the Group is considered to exist by virtue of the possible non performance of the counterparties.
Derivative contracts are carried at fair value based on published quotations for the period for which a liquid active market exists. Beyond this period, Rio Tinto’s own assumptions are used.
(i) Foreign exchange risk
Rio Tinto’s shareholders’ equity, earnings and cash flows are influenced by a wide variety of currencies due to the geographic diversity of the Group’s sales and the countries in which it operates. The US dollar, however, is the currency in which the great majority of the Group’s sales are denominated. Operating costs are influenced by the currencies of those countries where the Group’s mines and processing plants are located and also by those currencies in which the costs of imported equipment and services are determined. The Australian and Canadian dollars and the Euro are the most important currencies (apart from the US dollar) influencing costs. In any particular year, currency fluctuations may have a significant impact on Rio Tinto’s financial results. A strengthening of the US dollar against the currencies in which the Group’s costs are denominated has a positive effect on Rio Tinto’s Underlying earnings.
Given the dominant role of the US currency in the Group’s affairs, the US dollar is the currency in which financial results are presented both internally and externally. It is also the most appropriate currency for borrowing and holding surplus cash, although a portion of surplus cash may also be held in other currencies, most notably Australian dollars, Canadian dollars and the Euro. This cash is held in order to meet short term operational and capital commitments and, for the Australian dollar, dividend payments. The Group finances its operations primarily in US dollars, either directly or using cross currency interest rate swaps.
Certain US dollar debt and other financial assets and liabilities including intragroup balances are not held in the functional currency of the relevant subsidiary. This results in an accounting exposure to exchange gains and losses as the financial assets and liabilities are translated into the functional currency of the subsidiary that accounts for those assets and liabilities. These exchange gains and losses are recorded in the Group’s income statement except to the extent that they can be taken to equity under the Group’s accounting policy which is explained in note1(d). Gains and losses on US dollar net debt and on intragroup balances are excluded from Underlying earnings. Other exchange gains and losses are included in Underlying earnings.
As noted above, Rio Tinto hedges interest rate and currency risk on most of its foreign currency borrowings by entering into cross currency interest rate swaps. These have the economic effect of converting fixed rate foreign currency borrowings to floating rate US dollar borrowings. See note 34 – B(c), Financial instruments for the details of currency and interest rate contracts relating to borrowings.


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After taking into account relevant swap instruments, almost all of the Group’s net debt is either denominated in US dollars or in the functional currency of the entity holding the debt. The table below summarises the net debt by currency.
                 
    2010     2009  
Net (debt)/funds by currency   US$m     US$m  
     
United States dollar
    (4,182 )     (18,466 )
Australian dollar
    (201 )     (232 )
South African rand
    62       60  
UK sterling
    24       (35 )
Euro
    (9 )     (140 )
Canadian dollar
    (123 )     (137 )
Other
    145       89  
     
Total
    (4,284 )     (18,861 )
 
Currency hedging
Under normal market conditions, the Group does not generally believe that active currency hedging of transactions would provide long term benefits to shareholders. The Group reviews on a regular basis its exposure and reserves the right to enter into hedges to maintain financial stability. Currency protection measures may be deemed appropriate in specific commercial circumstances and are subject to strict limits laid down by the Rio Tinto board, typically hedging of capital expenditures and other significant financial items such as tax and dividends. There was a legacy of currency forward contracts used to hedge operating cash flow exposures which were acquired with the North companies; these matured in 2010. Refer to note 34-B(a to c), Financial instruments for the currency forward and option contracts used to manage the currency risk exposures of the Group at 31 December 2010.
Foreign exchange sensitivity: Risks associated with exposure to financial instruments
The sensitivities below give the estimated effect of a ten per cent weakening in the full year closing exchange rate of significant currencies against the US dollar on the value of financial instruments. The impact is expressed in terms of the effect on net earnings, Underlying earnings and equity, assuming that each exchange rate moves in isolation. The sensitivities are based on financial assets and liabilities held at year end, where balances are not denominated in the functional currency of the subsidiary and exclude financial assets and liabilities held by equity accounted units. They also exclude exchange movements on local currency deferred tax balances and provisions. These balances will not remain constant throughout 2011, and therefore these numbers should be used with care.
At 31 December 2010
Gains/(losses) associated with 10% weakening of the currency
                                 
                    Of which        
                    amount        
    Closing             impacting     Impact  
    exchange     Effect on net     Underlying     directly on  
    rate     earnings     earnings     equity  
Currency exposure   US cents     US$m     US$m     US$m  
   
Australian dollar (a)
    102       209       75       2  
Canadian dollar
    100       35       56        
South African rand
    15       (5 )           8  
Euro
    133       276       2        
New Zealand dollar
    77       19       3        
 
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Notes to the 2010 financial statements continued
 
33  Financial risk management continued
At 31 December 2009
Gains/(losses) associated with 10% weakening of the currency
                                 
                    Of which        
                    amount        
    Closing             impacting     Impact  
    exchange     Effect on net     Underlying     directly on  
    rate     earnings     earnings     equity  
Currency exposure   US cents     US$m     US$m     US$m  
   
Australian dollar (a)
    89       225       79       (1 )
Canadian dollar
    95       (1 )     64        
South African rand
    14       2             (6 )
Euro
    144       251       13        
New Zealand dollar
    73       2              
 
 
(a)   The sensitivities show the net sensitivity of US$ exposures in A$ functional currency companies, for example, and A$ exposures in US$ functional currency companies. The sensitivity associated with a ten per cent strengthening of the particular currency would be equal and opposite to the figures presented.
 
(b)   The sensitivities presented are on financial assets and liabilities of subsidiaries and proportionally consolidated units, and do not include non-financial instruments such as provisions or post retirement benefits, or sensitivities arising from financial assets and liabilities within equity accounted units. The impact of reflecting these items primarily impacts the Canadian dollar sensitivity, with a US$87 million reduction in net earnings (2009: US$69 million reduction), a US$85 million reduction in Underlying earnings (2009: US$67 million reduction), and a US$167 million increase recorded directly in equity (2009: US$114 million increase).
 
(c)   Rio Tinto Alcan Inc. which has a US functional currency for accounting purposes, has a significant amount of US dollar denominated external and intragroup debt held in Canada and is taxed on a Canadian currency basis. The above sensitivities as at 31 December 2010 for a ten per cent weakening of the Canadian dollar do not include the tax benefit related to this debt. If the Canadian dollar weakened below 1.01 US dollars, capital losses would be generated and not recognised. If the Canadian dollar had strengthened then tax charges would have begun to be recognised at 13 per cent.

Similarly at 31 December 2009, the above sensitivities for a ten per cent weakening of the Canadian dollar did not include any tax benefit related to this debt because the capital losses generated would not have been recognised. If the Canadian dollar had strengthened above 1.03 US dollars then tax charges would have begun to be recognised at 15 per cent.
(ii) Interest rate risk
Interest rate risk refers to the risk that the value of a financial instrument or cash flows associated with the instruments will fluctuate due to changes in market interest rates. Rio Tintos interest rate management policy is generally to borrow and invest at floating interest rates. This approach is based on historical correlation between interest rates and commodity prices. In some circumstances, an element of fixed rate funding may be considered appropriate. Rio Tinto hedges interest rate risk on most of its borrowings by entering into interest rate swaps in order to convert fixed rate foreign currency borrowings to floating rate US dollar borrowings. The market value of these interest rate and cross currency interest rate swaps moves in alignment with the market and at times can act as alternative sources of funding. The Group reviews the positions on a regular basis and may act to either monetise in-the-money value or achieve lower costs of funding. See note 34-B(c), Financial instruments for the details of currency and interest rate contracts relating to borrowings. At the end of 2010, US$5.8 billion (2009: US$8.3 billion) of the Groups gross debt was at fixed rates after taking into account interest rate swaps and finance leases, making the fixed to floating debt ratio 40 per cent fixed to 60 per cent floating (2009: 36 per cent fixed to 64 per cent floating). On a net debt basis, the fixed to floating debt ratio was 114 per cent fixed to (14) per cent floating (2009: 58 per cent to 42 per cent). The net debt ratio at the end of 2010 reflects the high level of cash, cash equivalents and other liquid resources held by the Group, which offset floating rate liabilities in 2010.
A monthly Treasury report is provided to senior management which summarises corporate debt exposed to currency risks and, where applicable, the offsetting derivatives. See note 34-B(c), Financial instruments for the details of currency and interest rate contracts relating to borrowings. See note 22 – Borrowings for the details of debt outstanding at 31 December 2010.
Based on the Groups net debt (refer to note 24) and other floating rate financial instruments outstanding as at 31 December 2010, the effect on net earnings of a half percentage point increase in US dollar LIBOR interest rates, with all other variables held constant, would be an increase of US$2 million (2009: US$37 million) reflecting the high level of cash at period end. These balances will not remain constant throughout 2011, however, and therefore these numbers should be used with care.
(iii) Commodity price risk
The Groups normal policy is to sell its products at prevailing market prices. Exceptions to this rule are subject to strict limits laid down by the Rio Tinto board and to rigid internal controls. Rio Tintos exposure to commodity prices is diversified by virtue of its broad commodity base and the Group does not generally believe commodity price hedging would provide long term benefit to shareholders. However, commodity price protection measures may be deemed appropriate in specific commercial circumstances, typically to obtain certainty over specific site sales where the cost base is relatively fixed and medium term margin achieved is deemed beneficial to shareholders. The Group may hedge certain commitments with some of its customers or suppliers. Details of commodity derivatives held at 31 December 2010 are set out in note 34 – B (a to c), Financial instruments.
Metals such as copper and aluminium are generally sold under contract, often long term, at prices determined by reference to prevailing market prices on terminal markets, such as the London Metal Exchange (LME) and COMEX in New York, usually at the time of delivery. Prices fluctuate widely in response to changing levels of supply and demand but, in the long run, prices are related to the marginal cost of supply. Gold is also priced in an active market in which prices respond to daily changes in quantities offered and sought. Newly mined gold is only one source of supply; investment and disinvestment can be important elements of supply and demand. Contract prices for many other natural resource products including iron ore and coal are generally agreed quarterly or for longer periods with customers, although volume commitments vary by product.
      


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Certain products, predominantly copper concentrate, are “provisionally priced”, ie the selling price is subject to final adjustment at the end of a period normally ranging from 30 to 180 days after delivery to the customer, based on the market price at the relevant quotation point stipulated in the contract. Revenue on provisionally priced sales is recognised based on estimates of fair value of the consideration receivable based on forward market prices. At each reporting date, provisionally priced metal is marked to market based on the forward selling price for the period stipulated in the contract. For this purpose, the selling price can be measured reliably for those products, such as copper, for which there exists an active and freely traded commodity market such as the London Metal Exchange and the value of product sold by the Group is directly linked to the form in which it is traded on that market.
The marking to market of provisionally priced sales contracts is recorded as an adjustment to sales revenue.
At the end of 2010, the Group had 270 million pounds of copper sales (2009: 267 million pounds) that were provisionally priced at US 428 cents per pound (2009: US 335 cents per pound). The final price of these sales will be determined during the first half of 2011. A ten per cent change in the price of copper realised on the provisionally priced sales would increase or reduce net earnings by US$72 million (2009: US$55 million).
Approximately 24 per cent of Rio Tinto’s 2010 Underlying earnings from operating businesses came from products whose prices were terminal market related and the remainder came from products priced by direct negotiation.
Commodity price sensitivity: Risks associated with derivatives
The table below summarises the impact of changes in the market price on the following commodity derivatives including those aluminium forward and option contracts embedded in electricity purchase contracts outstanding at 31 December 2010, but excluding the impact of commodity and embedded derivatives held by equity accounted units (see footnote (a) below). The impact is expressed in terms of the resulting change in the Group’s net earnings for the year or, where applicable, the change in equity. The sensitivities are based on the assumption that the market price increases by ten per cent with all other variables held constant. The Group’s “own use contracts” are excluded from the sensitivity analysis below as they are outside the scope of IAS 39. Such contracts to buy or sell non-financial items can be net settled but were entered into and continue to be held for the purpose of the receipt or delivery of the non-financial item in accordance with the business unit’s expected purchase, sale or usage requirements.
These sensitivities should be used with care. The relationship between currencies and commodity prices is a complex one; changes in exchange rates can influence commodity prices and vice versa.
At 31 December 2010
Gains/(losses) associated with 10% increase from year end price
                 
          Effect  
          directly on  
          equity  
    Effect on net     attributable  
    earnings     to Rio Tinto  
Products   US$m     US$m  
 
Copper
          (21 )
Aluminium
    10       (15 )
Oil
    4        
 
Total
    14       (36 )
 
At 31 December 2009
Gains/(losses) associated with 10% increase from year end price
                 
            Effect directly  
            on equity  
    Effect on net     attributable  
    earnings     to Rio Tinto  
Products   US$m     US$m  
 
Copper
    (1 )     (18 )
Aluminium
    (19 )     (24 )
Oil
    3        
 
Total
    (17 )     (42 )
 
(a) The sensitivities presented do not include those arising from balances within equity accounted units. The impact of reflecting equity accounted units primarily relates to the aluminium sensitivity, with a US$100 million reduction in net earnings (2009: US$55 million reduction).
(iv) Credit risk
Credit risk is the risk that a counterparty will not meet its obligations under a financial instrument or customer contract, leading to a financial loss. The Group is exposed to credit risk from its operating activities (primarily from customer receivables) and from its financing activities, including deposits with banks and financial institutions, foreign exchange transactions and other financial instruments.
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Notes to the 2010 financial statements continued
 
33  Financial risk management continued
Credit risks related to receivables
Customer credit risk is managed by each business unit subject to Rio Tinto’s established policies, procedures and controls relating to customer credit risk management. Credit limits are established for all customers based on internal or external rating criteria. Where customers are rated by an independent credit rating agency, these ratings are used to set credit limits. In circumstances where no independent credit rating exists, the credit quality of the customer is assessed based on an extensive credit rating scorecard. Outstanding customer receivables are regularly monitored and any credit concerns highlighted to senior management. High risk shipments to major customers are generally covered by letters of credit or other forms of credit insurance.
At 31 December 2010, the Group had approximately 138 customers (2009: 70 customers) that owed the Group more than US$5 million each and these balances accounted for approximately 70 per cent (2009: 52 per cent) of all receivables owing. There were 57 customers (2009: 17 customers) with balances greater than US$20 million accounting for just over 53 per cent (2009: just over 30 per cent) of total amounts receivable.
The maximum exposure to credit risk at the reporting date is the carrying value of each class of financial assets mentioned on page 216. The Group does not hold collateral as security for any trade receivables.
Credit risk related to financial instruments and cash deposits
Credit risk from balances with banks and financial institutions is managed by Group Treasury in accordance with a board approved policy. Investments of surplus funds are made only with approved counterparties and within credit limits assigned to each counterparty. Counterparty credit limits are reviewed by the Rio Tinto board on an annual basis, and may be updated throughout the year subject to approval of the Rio Tinto Finance committee. The limits are set to minimise the concentration of risks and therefore mitigate the potential for financial loss through counterparty failure.
No material exposure is considered to exist by virtue of the possible non-performance of the counterparties to financial instruments.
(v) Liquidity and Capital risk management
The Group’s total capital is defined as equity attributable to owners of Rio Tinto plus equity attributable to non–controlling interests plus net debt, and amounted to US$70 billion at 31 December 2010 (2009: US$65 billion).
                 
    2010     2009  
    US$m     US$m  
 
Total capital
               
Equity attributable to owners of Rio Tinto
    58,333       43,831  
Equity attributable to non–controlling interests
    6,941       2,094  
Net debt (note 24)
    4,284       18,861  
 
Total capital
    69,558       64,786  
 
The Group’s overriding objectives when managing capital are to safeguard the business as a going concern; to maximise returns for shareholders and benefits for other stakeholders; and to maintain an optimal capital structure in order to provide a high degree of financial flexibility at the lowest cost of capital. The board and senior management regularly review the capital structure of the Group taking account of strategic priorities and economic conditions within which the Group operates.
The unified credit status of the Group is maintained through cross guarantees whereby contractual obligations of Rio Tinto plc and Rio Tinto Limited are automatically guaranteed by the other. During the 2010 financial year, in recognition of the Group’s improved balance sheet, the Group’s overall credit ratings and outlook were improved. The improvement continued the trend from 2009, during which ratings and outlooks were upgraded following the successful US$15.2 billion rights issues.
In October 2010, the Group tendered US$1.9 billion of its Rio Tinto Finance (USA) Limited 5.875% bond due in 2013 and refinanced this with the issue of three fixed rate Rio Tinto Finance (USA) Limited bonds amounting to US$500 million 1.875% bond due 2015, US$1,000 million 3.5 per cent bond due 2020 and US$500 million 5.2 per cent bond due 2040.
In November 2010, the Group entered into a US$6 billion five year multi–currency committed revolving credit facility with its relationship banks. At 31 December 2010, the facility was undrawn. Any borrowings under this facility are at prevailing LIBOR rates plus an agreed margin dependent on the amount of drawdown and the credit rating of the Group. The facility is not subject to any financial covenants. The overall agreement also enables same day access to a US$ swing–line facility. The funds available under the facility agreement may be used for general corporate purposes of the Group.


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Prior to the new US$6 billion facility, the Group’s back–up facilities consisted of the US$5 billion revolving syndicated bank facility C from the Alcan acquisition facility and a series of standby bi–lateral bank facilities totalling US$2.3 billion. These bi–lateral bank facilities contained no covenants. At 31 December 2009, the bi–lateral facilities were not drawn.
In 2007, Rio Tinto acquired Alcan which was financed using a US$40 billion syndicated bank facility, comprising two term facilities (Facilities A and D) and two revolving facilities (Facilities B and C). This facility contained a financial covenant requiring the maintenance of a ratio of no greater than 4.5 times of net borrowings to EBITDA. Advances under each facility generally bore interest at rates per annum equal to the margin for that facility plus LIBOR and any mandatory costs.
Facility A was fully repaid during 2009. US$8.5 billion was drawn under Facility D at 31 December 2009 but this was fully repaid during 2010. At 31 December 2009, US$2.1 billion of Facility B remained available but undrawn. In February 2010, in accordance with the acquisition facility agreement, proceeds from the sale of the majority of Alcan Packaging to Amcor were used to cancel US$2 billion of the outstanding capacity. At the same time, the Group voluntarily surrendered the remaining US$0.1 billion of this facility. At 31 December 2009, US$5 billion of Facility C was available but undrawn. This facility was cancelled in November 2010.
The Group’s net debt as a percentage of total capital was six per cent at 31 December 2010 (2009: 29 per cent).
The Group has a progressive dividend policy which aims to increase the US dollar value of ordinary dividends over time, taking into account the results for the past year and the outlook. In February 2011, as part of the Group’s capital management programme, a share buy-back of US$5 billion was announced which, subject to market conditions, is planned to be completed by the end of 2012.
The table below analyses the Group’s financial liabilities into relevant maturity groupings based on the remaining period from the statement of financial position date to the contractual maturity date. As the amounts disclosed in the table are the contractual undiscounted cash flows, these balances will not necessarily agree with the amounts disclosed in the statement of financial position.
                                                 
                    Expected                    
    Trade             future     Derivatives     Other     Total  
    and other     Borrowings     interest     related to net     financial     financial  
    payables     before swaps     payments  (a)   debt     liabilities     liabilities  
At 31 December 2010   US$m     US$m     US$m     US$m     US$m     US$m  
 
Financial liabilities
                                               
Within 1 year, or on demand
    (4,985 )     (1,066 )     (705 )     15       (312 )     (7,053 )
Between 1 and 2 years
    (575 )     (557 )     (742 )     17       (276 )     (2,133 )
Between 2 and 3 years
          (1,232 )     (730 )     18       (159 )     (2,103 )
Between 3 and 4 years
          (2,605 )     (606 )     15       (30 )     (3,226 )
Between 4 and 5 years
          (965 )     (530 )     11       (30 )     (1,514 )
After 5 years
          (7,783 )     (4,166 )     (26 )     (22 )     (11,997 )
 
 
    (5,560 )     (14,208 )     (7,479 )     50       (829 )     (28,026 )
 
                                                 
                    Expected                    
    Trade             future     Derivatives     Other     Total  
    and other     Borrowings     interest     related to net     financial     financial  
    payables     before swaps     payments  (a)   debt     liabilities     liabilities  
At 31 December 2009   US$m     US$m     US$m     US$m     US$m     US$m  
 
Financial liabilities
                                               
Within 1 year, or on demand
    (4,416 )     (878 )     (942 )     (52 )     (365 )     (6,653 )
Between 1 and 2 years
          (463 )     (884 )           (203 )     (1,550 )
Between 2 and 3 years
          (9,087 )     (910 )     2       (204 )     (10,199 )
Between 3 and 4 years
          (3,269 )     (840 )           (177 )     (4,286 )
Between 4 and 5 years
          (2,767 )     (591 )           (58 )     (3,416 )
After 5 years
          (6,725 )     (3,857 )     (162 )     (54 )     (10,798 )
 
 
    (4,416 )     (23,189 )     (8,024 )     (212 )     (1,061 )     (36,902 )
 
(a)   Interest payments have been projected using spot interest rates applicable at 31 December, including the impact of interest rate swap agreements, where appropriate. Much of the debt is subject to variable interest rates. Future interest payments are therefore subject to change in line with market rates.
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Notes to the 2010 financial statements continued
 
34 Financial instruments
Except where stated, the information given below relates to the financial instruments of the parent companies and their subsidiaries and proportionally consolidated units, and exclude those of equity accounted units. The information is grouped in the following sections:
A – Financial assets and liabilities by categories
B – Derivative financial instruments
C – Fair values
(A) Financial assets and liabilities by categories
                                         
                                  Other  
                  Available             financial  
          Loans and     for sale     Held at     assets and  
    Total     receivables     securities     fair value     liabilities  
At 31 December 2010   US$m     US$m     US$m     US$m     US$m  
 
Financial assets
                                       
Cash and cash equivalents (note 21)
    9,948       9,948                    
Trade and other receivables (a)
    5,708       5,708                    
Equity shares and quoted funds (note 20)
    950             950              
Other investments, including loans (note 20) (b)
    619       185       64       289       81  
Derivatives and embedded derivatives not related to net debt: not designated as hedges (note 20)
    143                   143        
Derivatives related to net debt (note 20)
    143                   143        
Loans to equity accounted units including quasi-equity loans
    1,473       1,473                    
 
Total financial assets
    18,984       17,314       1,014       575       81  
 
 
                                       
Financial liabilities
                                       
Trade and other payables (c)
    (5,560 )                       (5,560 )
Short term borrowings and bank overdrafts (notes 21 and 22)
    (1,064 )                       (1,064 )
Medium and long term borrowings (note 22)
    (13,277 )                       (13,277 )
Deferred consideration (note 25) (a)
    (108 )                       (108 )
Forward commodity contracts: designated as hedges (note 26)
    (421 )                 (421 )      
Derivatives related to net debt (note 26)
    (34 )                 (34 )      
Other derivatives and embedded derivatives not designated as hedges (note 26)
    (169 )                 (169 )      
Other financial liabilities (note 26)
    (57 )                       (57 )
 
Total financial liabilities
    (20,690 )                 (624 )     (20,066 )
 


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                                    Other  
                    Available             financial  
            Loans and     for sale     Held at     assets and  
    Total     receivables     securities     fair value     liabilities  
At 31 December 2009   US$m     US$m     US$m     US$m     US$m  
 
Financial assets
                                       
Cash and cash equivalents (note 21)
    4,233       4,233                    
Trade and other receivables (a)
    4,739       4,739                    
Equity shares and quoted funds (note 20)
    658             658              
Other investments, including loans (note 20) (b)
    505       270       77       158        
Other liquid resources (note 20)
    73       73                    
Currency and commodity contracts: designated as hedges (note 20)
    8                   8        
Derivatives and embedded derivatives not related to net debt: not designated
as hedges (note 20)
    291                   291        
Loans to equity accounted units including quasi-equity loans
    1,761       1,761                    
 
Total financial assets
    12,268       11,076       735       457        
 
 
                                       
Financial liabilities
                                       
 
Trade and other payables (c)
    (4,416 )                       (4,416 )
Short term borrowings and bank overdrafts (notes 21 and 22)
    (847 )                       (847 )
Medium and long term borrowings (note 22)
    (22,155 )                       (22,155 )
Deferred consideration (note 25) (a)
    (119 )                       (119 )
Forward commodity contracts: designated as hedges (note 26)
    (499 )                 (499 )      
Derivatives related to net debt (note 26)
    (165 )                 (165 )      
Other derivatives and embedded derivatives not designated as hedges (note 26)
    (300 )                 (300 )      
Other financial liabilities (note 26)
    (49 )                       (49 )
 
Total financial liabilities
    (28,550 )                 (964 )     (27,586 )
 
(a)   This excludes pension surpluses, prepayment of tolling charges to jointly controlled entities and other prepayments and accrued income.
 
(b)   This includes US$81 million of held to maturity investments within “Other financial assets and liabilities”.
 
(c)   Trade and other payables includes trade creditors, amounts owed to equity accounted units, other creditors, excluding deferred consideration shown separately, and accruals.
(B) Derivative financial instruments
The Group’s derivatives, including embedded derivatives, as at 31 December 2010, are summarised below:
(a) Forward contracts relating to operating transactions: designated as hedges
                                 
    Total fair value  
    2010     2010     2009     2009  
    Asset     Liability     Asset     Liability  
    US$m     US$m     US$m     US$m  
     
Currency forward contracts
                8        
Copper forward contracts
          (409 )           (435 )
Aluminium forward contracts embedded in electricity purchase contracts
          (12 )           (4 )
Aluminium options embedded in electricity purchase contracts
                      (56 )
Coal forward contracts
                      (4 )
     
Total
          (421 )     8       (499 )
     
 
                               
Less than 1 year
          (159 )     8       (128 )
Between 1 and 5 years
          (262 )           (371 )
     
Total
          (421 )     8       (499 )
 
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Notes to the 2010 financial statements continued
 
34     Financial instruments continued
Reconciliation to statement of financial position categories for derivatives designated as hedges
                 
    2010     2009  
    US$m     US$m  
     
– current assets (note 20)
          8  
     
– current liabilities (note 26)
    (159 )     (128 )
– non-current liabilities (note 26)
    (262 )     (371 )
     
Total derivatives designated as hedges, detailed above
    (421 )     (491 )
 
The above copper forward contracts were entered into as a condition of the refinancing of Palabora in 2005, and reduce the Group’s exposure to movements in the copper price. Coal forward contracts have been entered into in order to reduce exposure to movements in the coal price.
The above currency forward contracts were acquired with companies purchased in 2000 and were entered into by those companies in order to reduce their exposure to the US dollar through forecast sales.
Aluminium price exposures are embedded within certain aluminium smelter electricity purchase contracts. These contracts reduce the Group’s exposure to movements in the aluminium price.
The hedged forecast transactions denominated in foreign currencies and the hedged commodity purchase or sales contracts are expected to occur in line with the maturity dates of the derivatives hedging these particular exposures. Gains and losses recognised in equity for these cash flow hedges will be recycled into the income statement in the period during which the hedged transaction affects the income statement. Where the hedged transaction relates to capital expenditures, the gain or loss on the derivative will be recognised in the income statement within “depreciation” as the fixed asset is amortised.
Gains and losses recognised in the hedging reserve in equity, net of tax and non–controlling interests, for the year to 31 December 2010, comprised cash flow hedge fair value losses of US$56 million including equity accounted units (2009: losses of US$151 million) and net cash flow hedge losses reclassified from equity and included in the income statement for the year amounted to US$29 million (2009: US$13 million; 2008: US$168 million).
The ineffective portion arising from cash flow hedges recognised in the income statement was US$1 million (2009: US$2 million; 2008: US$6 million).
(b) Forward and option contracts relating to operating transactions: not designated as hedges
                                 
    Total fair value
    2010     2010     2009     2009  
    Asset     Liability     Asset     Liability  
    US$m     US$m     US$m     US$m  
     
Currency forward contracts and swaps
    5       (4 )     61        
Aluminium forward contracts
    131       (17 )     216       (47 )
Aluminium options embedded in electricity purchase contracts
          (43 )           (146 )
Aluminium forward contracts embedded in electricity purchase contracts
          (4 )            
Other embedded derivatives
          (101 )           (100 )
Other commodity contracts
    7             14       (7 )
     
Total
    143       (169 )     291       (300 )
     
 
                               
Less than 1 year
    124       (106 )     226       (167 )
Between 1 and 5 years
    18       (47 )     65       (119 )
More than 5 years
    1       (16 )           (14 )
     
Total
    143       (169 )     291       (300 )
     
      


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Reconciliation to statement of financial position categories for derivatives not designated as hedges
                 
    2010     2009  
    US$m     US$m  
 
– non current assets (note 20)
    19       65  
– current assets (note 20)
    124       226  
 
– current liabilities (note 26)
    (106 )     (167 )
– non current liabilities (note 26)
    (63 )     (133 )
 
Total derivatives not designated as hedges, detailed above
    (26 )     (9 )
 
Embedded options exist within electricity purchase contracts for certain smelters. These derivatives reduce the Group’s exposure to movements in the aluminium price. A number of put and call options were combined to form synthetic forward contracts that were designated as hedges of variable priced aluminium sales.
The above aluminium forward contracts were taken out to manage exposure to movements in the aluminium price. These contracts are not designated as hedges as they are predominantly offset by other aluminium forward contracts.
(c) Currency and interest contracts relating to borrowings
                                 
    Total fair value
    2010     2010     2009     2009  
    Asset     Liability     Asset     Liability  
    US$m     US$m     US$m     US$m  
 
Currency and interest rate swap contracts
                      (68 )
Interest rate swap contracts (designated as hedges)
    132       (34 )           (97 )
Interest rate swap contracts (not designated as hedges)
    11                    
 
Total
    143       (34 )           (165 )
 
 
                               
Less than 1 year
    6                   (68 )
Between 1 and 5 years
    137       (34 )           (8 )
More than 5 years
                      (89 )
 
Total
    143       (34 )           (165 )
 
Reconciliation to statement of financial position categories for currency and interest derivatives
                 
    2010     2009  
    US$m     US$m  
 
– non current assets (note 20)
    137        
– current assets (note 20)
    6        
 
– current liabilities (note 26)
          (68 )
– non current liabilities (note 26)
    (34 )     (97 )
 
Total currency and interest rate contracts, detailed above
    109       (165 )
 
The currency contracts are used to swap non–US dollar denominated external debt to US dollar floating. The interest rate contracts are used to convert certain fixed rate obligations to a floating rate. Refer to note 22 – Borrowings for further details.
The ineffective portion arising from fair value hedges recognised in the income statement was US$10 million (2009: nil; 2008: US$91 million).
(C) Fair values
The carrying amounts and fair values of all of the Group’s financial instruments which are not carried at an amount which approximates to their fair value at 31 December are shown in the following table. The fair values of the Group’s cash, short term borrowings and loans to jointly controlled entities and associates approximate their carrying values, as a result of their short maturity or because they carry floating rates of interest.
                                 
    31 December 2010   31 December 2009
 
    Carrying           Carrying        
    value     Fair value     value     Fair value  
    US$m     US$m     US$m     US$m  
 
Primary financial instruments held or issued to finance the Group’s operations
                               
 
Medium and long term borrowings (note 22)
    (13,277 )     (15,875 )     (22,155 )     (23,318 )
 
()


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Notes to the 2010 financial statements continued
 
34  Financial instruments continued
Valuation hierarchy
The table below includes financial instruments carried at fair value in note 34 (A) by valuation method at 31 December 2010.
                                         
                            Not held  
    Total     Level 1  (a)   Level 2  (b)   Level 3  (c)   at fair value  
 
Assets
                                       
Equity shares and quoted funds (note 20)
    950       897       16       37        
Other investments, including loans (note 20)
    619       150             203       266  
 
 
    1,569       1,047       16       240       266  
Derivatives
                                       
Forward contracts: designated as hedges (Section B (a) of note 34)
    (421 )           (409 )     (12 )      
Forward contracts and option contracts not designated as hedges (Section B (b) of note 34)
    (26 )           16       (42 )      
Currency swaps hedging borrowings (Section B (c) of note 34)
                             
Interest rate swap agreements (Section B (c) of note 34)
    109             110       (1 )      
 
 
    1,231       1,047       (267 )     185       266  
 
The table below includes financial instruments carried at fair value in note 34 (A) by valuation method at 31 December 2009.
                                         
                                    Not held at  
    Total     Level 1  (a)   Level 2  (b)   Level 3  (c)   fair value  
 
Assets
                                       
Equity shares and quoted funds (note 20)
    658       644       14              
Other investments, including loans (note 20)
    505       129             106       270  
 
 
    1,163       773       14       106       270  
Derivatives
                                       
Forward contracts: designated as hedges (Section B (a) of note 34)
    (491 )           (430 )     (61 )      
Forward contracts and option contracts not designated as hedges (Section B (b) of note 34)
    (9 )           132       (141 )      
Currency swaps hedging borrowings (Section B (c) of note 34)
    (68 )           (68 )            
Interest rate swap agreements (Section B (c) of note 34)
    (97 )           (97 )            
 
 
    498       773       (449 )     (96 )     270  
 
 
(a)   Valuation is based on unadjusted quoted prices in active markets for identical financial instruments. This category includes listed equity shares and other quoted funds.
 
(b)   Valuation is based on inputs that are observable for the financial instruments which includes quoted prices for similar instruments or identical instruments in markets which are not considered to be active or either directly or indirectly based on observable market data.
 
(c)   Valuation is based on inputs for the asset or liability that are not based on observable market data (unobservable inputs).
 


220  Rio Tinto 2010 Annual report

 


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Level 3 Financial assets and financial liabilities
The table below shows the summary of changes in the fair value of the Group’s level 3 financial assets and financial liabilities for the year ended 31 December 2010 and 31 December 2009.
                 
    31 December 2010     31 December 2009  
    Level 3 financial     Level 3 financial  
       assets and financial     assets and financial  
    liabilities     liabilities  
 
Opening balance
    (96 )     (50 )
Currency translation adjustments
    (2 )     (1 )
Realised gains to income statement
    91       24  
Unrealised gains/(losses) to income statement
    147       (35 )
Unrealised losses to comprehensive income
          (66 )
Additions
    27       38  
Disposals
    18       (6 )
 
Closing balance
    185       (96 )
 
Total losses for the year included in the income statement for assets and liabilities
held at year end
    97       (31 )
 
35  Contingent liabilities and commitments
                 
    2010     2009  
    US$m     US$m  
 
Capital commitments (including those related to joint ventures and associates) (a)
               
Within 1 year
    5,219       2,439  
Between 1 and 3 years
    2,264       1,050  
Between 3 and 5 years
    90       308  
After 5 years
          78  
 
Total
    7,573       3,875  
 
 
(a)   Included in the above table are other commitments of US$25 million (2009: US$117 million). Capital commitments incurred by the Group relating to joint ventures and associates amount to US$1,421 million (2009: US$261 million). Capital commitments incurred jointly with other venturers (Rio Tinto share) relating to joint ventures amount to US$695 million (2009: US$539 million).
 
    In addition to the above, the Group has agreed to provide Ivanhoe Mines Ltd. with an interim loan facility of US$1,800 million while Rio Tinto and Ivanhoe work together to complete project financing for the development of the Oyu Tolgoi copper-gold project. Refer to note 41 for further details relating to the Group’s interest in Ivanhoe Mines Ltd. and Oyu Tolgoi.
Operating leases
The aggregate amount of minimum lease payments under non-cancellable operating leases are as follows:
                 
    2010     2009  
    US$m     US$m  
 
Within 1 year
    507       484  
Between 1 and 3 years
    854       628  
Between 3 and 5 years
    561       287  
After 5 years
    1,107       451  
 
 
    3,029       1,850  
 
()


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Notes to the 2010 financial statements continued
 
35  Contingent liabilities and commitments continued
Unconditional purchase obligations
The aggregate amount of future payment commitments for the next five years under unconditional purchase obligations outstanding at 31 December was:
                 
    2010     2009  
    US$m     US$m  
 
Within 1 year
    2,295       1,339  
Between 1 and 2 years
    1,466       1,054  
Between 2 and 3 years
    1,468       1,113  
Between 3 and 4 years
    1,305       1,006  
Between 4 and 5 years
    1,210       891  
After 5 years
    10,156       7,404  
 
 
    17,900       12,807  
 
Unconditional purchase obligations relate to commitments to make payments in the future for fixed or minimum quantities of goods or services at fixed or minimum prices. The future payment commitments set out above have not been discounted and mainly relate to commitments under “take or pay” power and freight contracts. They exclude unconditional purchase obligations of jointly controlled entities apart from those relating to the Group’s tolling arrangements.
                 
    2010     2009  
    US$m     US$m  
 
Contingent liabilities (excluding those relating to joint ventures and associates)
               
Indemnities and other performance guarantees
    557       316  
 
Contingent liabilities relating to joint ventures and associates (a)
               
Incurred in relation to interests in joint ventures
    214       233  
Incurred in relation to other venturers’ contingent liabilities
    79       73  
 
 
(a)   Amounts disclosed include those arising as a result of the Group’s investments in both jointly controlled assets and jointly controlled entities.
 
(b)   There are a number of legal claims currently outstanding against the Group. No material loss to the Group is expected to result from these claims.
36 Average number of employees
                                                                         
    Subsidiaries and proportionally     Equity accounted units        
    consolidated units (a)     (Rio Tinto share) (a)     Group total  
    2010     2009     2008     2010     2009     2008     2010     2009     2008  
 
The principal locations of employment were:
                                                                       
Australia and New Zealand
    18,772       17,537       17,875       2,428       2,355       2,471       21,200       19,892       20,346  
Europe
    15,205       16,965       16,909       223       274       520       15,428       17,239       17,429  
Canada
    13,418       12,957       12,948       295       500       265       13,713       13,457       12,948  
United States
    6,416       8,830       10,219       721       80       105       7,137       8,910       10,589  
Africa
    5,451       6,539       6,329       2,204       1,673       1,980       7,655       8,212       8,309  
Indonesia
    2,261       2,165       2,206       13                   2,274       2,165       2,206  
South America
    430       2,039       2,909       1,175       1,148       1,116       1,605       3,187       4,025  
Other countries
    869       844       942       833       356       605       1,702       1,200       1,547  
Discontinued operations
    6,180       27,732       28,386                         6,180       27,732       28,386  
 
 
    69,002       95,608       98,723       7,892       6,386       7,062       76,894       101,994       105,785  
 
 
(a)   Employee numbers, which represent the average for the year, include 100 per cent of employees of subsidiary companies. Employee numbers for proportionally consolidated and equity accounted units are proportional to the Group’s interest. Average employee numbers include a part year effect for companies acquired or disposed of during the year.
Part time employees are included on a full time equivalent basis. Temporary employees are included in employee numbers.
People employed by contractors are not included.


222  Rio Tinto 2010 Annual report

 


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37   Principal subsidiaries and consolidated operations
At 31 December 2010
                         
        Class of   Proportion of     Group  
Company and country of incorporation/operation   Principal activities   shares held   class held (%)     interest (%)  
 
Australia  
 
                   
Argyle Diamonds Limited  
Mining and processing of diamonds
  Ordinary     100       100  
Coal & Allied Industries Limited  
Coal mining
  Ordinary     75.71       75.71  
Dampier Salt Limited  
Salt production
  Ordinary     68.40       68.40  
Energy Resources of Australia Limited  
Uranium mining
  Class A     68.39       68.39  
Hamersley Iron Pty Limited  
Iron ore mining
  Ordinary     100       100  
Queensland Coal Pty Limited (a)  
Coal mining
  Ordinary     100       100  
Rio Tinto Aluminium (Holdings) Limited  
Bauxite mining; alumina production;
primary aluminium smelting
  Ordinary     100       100  
 
Canada  
 
                   
Iron Ore Company of Canada Inc. (b)  
Iron ore mining; iron ore pellets
  Common shares     58.72       58.72  
QIT–Fer et Titane Inc.  
Titanium dioxide feedstock;
high purity iron and steel
  Common shares     100       100  
Rio Tinto Alcan Inc.  
Bauxite mining; alumina refining;
  Class B preference shares     100       100  
   
production of specialty alumina;
aluminium smelting; engineered products
  Common shares     100       100  
 
France  
 
                   
Talc de Luzenac France SA  
Mining, refining and marketing of talc
  Ordinary 15.25     100       100  
 
Madagascar  
 
                   
QIT Madagascar Minerals SA  
Ilmenite mining
  Common shares     80       80  
 
Mongolia  
 
                   
Oyu Tolgoi LLC  
Copper and gold mining (in development)
  (c)            
 
Namibia  
 
                   
Rössing Uranium Limited (d)  
Uranium mining
  B N$1     71.16 }     68.58  
   
 
  C N10c     70.59      
 
Papua New Guinea  
 
                   
Bougainville Copper Limited (e)  
Copper and gold mining
  Ordinary 1 Kina     53.58       53.58  
 
South Africa  
 
                   
Palabora Mining Company Limited  
Copper mining, smelting and refining
  Ordinary R1     72.03       57.67  
 
United States of America  
 
                   
Kennecott Holdings Corporation (including Kennecott Utah Copper, Kennecott Land and Kennecott Exploration)
 
Copper and gold mining, smelting and refining, land development and exploration activities
  Common US$0.01     100       100  
U.S. Borax Inc.  
Mining, refining and marketing of borates
  Common US$0.10     100       100  
 
The Group comprises a large number of companies and it is not practical to include all of them in this list. The list therefore only includes those companies that have a more significant impact on the profit or assets of the Group.
The Group’s principal subsidiaries are held by intermediate holding companies and not directly by Rio Tinto plc or Rio Tinto Limited.

With the exception of Iron Ore Company of Canada, which is incorporated in the US companies operate mainly in the countries in which they are incorporated.
(a)   Queensland Coal Pty Limited is the main legal entity that owns the shares shown in note 40 of Hail Creek, Blair Athol, Clermont and Kestrel.
 
(b)   This entity is incorporated in the United States of America but operates in Canada.
 
(c)   The Group holds no direct equity interest in Oyu Tolgoi LLC; this entity is consolidated by virtue of contractual rights which permit the exercise of control over certain policies and activities of Oyu Tolgoi LLC. Refer to note 41 for further details relating to the consolidation of Oyu Tolgoi LLC from 15 December 2010.
 
(d)   The Group’s shareholding in Rössing Uranium Limited carries 35.54 per cent of the total voting rights. Rössing is consolidated by virtue of board control.
 
(e)   The results of Bougainville Copper Limited are not consolidated. See note 47.
()


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Notes to the 2010 financial statements continued
 
At 31 December 2010
                                   
        Number of     Class of   Proportion of     Group  
Company and country of incorporation/operation   Principal activities   shares held     shares held   class held (%)     interest (%)  
 
Australia  
 
                           
Boyne Smelters Limited (a)  
Aluminium smelting
    153,679,560     Ordinary     59.4       59.4  
Leichhardt Coal Pty Limited (b)  
Coal mining
    20,115,000     Ordinary     44.7       44.7  
Queensland Alumina Limited (a)  
Alumina production
    1,769,600     Ordinary     80       80  
 
Chile  
 
                           
Minera Escondida Limitada (c)  
Copper mining and refining
                30       30  
 
New Zealand  
 
                           
New Zealand Aluminium Smelters  
Aluminium smelting
    24,998,400     Ordinary     79.4       79.4  
Limited (a)
 
 
                           
 
Norway  
 
                           
Sor–Norge Aluminium A.S.  
Aluminium smelting
    500,000     Ordinary     50       50  
 
Oman  
 
                           
Sohar Aluminium Company L.L.C.  
Aluminium smelting/power
generation
    37,500     Ordinary     20       20  
 
South Africa  
 
                           
Richards Bay Titanium (Pty) Ltd  
Titanium dioxide/high purity
iron production
        Preferred Ordinary     }

    37.7

 
   
 
        A Ordinary          
   
 
    150,960     B Ordinary     51          
   
 
        A Preference     }     38.5  
   
 
    140,046     B Preference     51      
Richards Bay Mining (Pty) Ltd  
Ilmenite, rutile and zircon mining
        Preferred Ordinary     }     36.3  
   
 
        A Ordinary          
   
 
    36,260     B Ordinary     49      
   
 
        A Preference     }     37.0  
   
 
    31,335     B Preference     49      
 
United States of America  
 
                           
Halco (Mining) Inc.  
(d)
    4,500     Common     45       45  
Pechiney Reynolds Quebec Inc.  
(e)
    100     Common     50 }     50.3  
   
 
    1     Preferred     100      
 
The Group has joint control of the above operations which, except as disclosed in note (d) below, are independent legal entities. It therefore includes them in its accounts using the equity accounting method.
The Group comprises a large number of operations and it is not practical to include all of them in this list. The list therefore only includes those jointly controlled entities that have a more significant impact on the profit or operating assets of the Group.
The Group’s principal jointly controlled entities are held by intermediate holding companies and not directly by Rio Tinto plc or Rio Tinto Limited.
With the exception of footnote (d) and (e), all jointly controlled entities operate mainly in the countries in which they are incorporated.
 
(a)   While the Group holds more than a 50 per cent interest in these entities, other participants have veto rights over operating, financing and strategic decision making. Accordingly, the Group does not have the ability to unilaterally control, and therefore does not consolidate these entities.
 
(b)   Leichhardt has a 31.4 per cent interest in the Blair Athol Coal joint venture. As a result, the Group has a further beneficial interest of 14 per cent in addition to its direct interest of 57.2 per cent, which is owned via a subsidiary of Rio Tinto Limited. The Blair Athol Coal joint venture is disclosed as a jointly controlled asset in note 40.
 
(c)   The year end of Minera Escondida Limitada is 30 June. However, the amounts included in the consolidated financial statements of Rio Tinto are based on accounts of Minera Escondida Limitada that are coterminous with those of the Group.
 
(d)   Halco has a 51 per cent indirect interest in Compagnie des Bauxites de Guinée, a bauxite mine, the core assets of which are located in Guinea.
 
(e)   Pechiney Reynolds Quebec has a 50.1 per cent interest in the Aluminerie de Becancour aluminium smelter, which is located in Canada.
224  Rio Tinto 2010 Annual report


 


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39   Principal associates
At 31 December 2010
                                         
    Principal   Number of     Class of   Proportion of     Group  
Company and country of incorporation/operation   activities   shares held     shares held   class held (%)     interest (%)  
 
Brazil
                                       
Mineração Rio do Norte SA (a)
  Bauxite mining     25,000,000     Ordinary     12.5 }     12  
 
            47,000,000     Preferred     11.8      
 
Cameroon
                                       
Compagnie Camerounaise de l’Aluminum
  Aluminium smelting     1,623,127     Ordinary     46.7       46.7  
 
Canada
                                       
Ivanhoe Mines Ltd (b)
  Copper and gold mining     229,251,843     Common     40.3       40.3  
 
The Group’s principal associates are held by intermediate holding companies and not directly by Rio Tinto plc or Rio Tinto Limited.
The Group comprises a large number of operations and it is not practical to include all of them in this list. The list therefore only includes those associates that have a more significant impact on the profit or operating assets of the Group.
With the exception of Ivanhoe Mines Ltd, the core assets of which are located in Mongolia, all associates operate mainly in the countries in which they are incorporated.
 
(a)   Mineração Rio do Norte SA is accounted for as an associated company because the Group has significant influence through representation on its board of directors.
 
(b)   Ivanhoe Mines Ltd. owns 66 per cent of Oyu Tolgoi LLC, which the Group consolidates (refer to note 37). The Group only equity accounts for its interest in the net assets of Ivanhoe Mines Ltd. that does not relate to Oyu Tolgoi LLC. Refer to note 41 for further details of additions to the Group’s investment in Ivanhoe Mines Ltd. during 2010.
40  Principal jointly controlled assets and other proportionally consolidated units
At 31 December 2010
             
        Group  
Name and country of operation   Principal activities   interest (%)  
 
Australia
           
Tomago Aluminium Joint Venture
  Aluminium smelting     51.6  
Bengalla (a)
  Coal mining     30.3  
Blair Athol Coal (b)
  Coal mining     71.2  
Clermont Coal
  Coal mining     50.1  
Hail Creek
  Coal mining     82  
Kestrel
  Coal mining     80  
Mount Thorley (c)
  Coal mining     60.6  
Warkworth
  Coal mining     42.1  
Northparkes Mine
  Copper/gold mining and processing     80  
Gladstone Power Station
  Power generation     42.1  
Robe River Iron Associates (d)
  Iron ore mining     53  
Hope Downs Joint Venture
  Iron ore mining     50  
HIsmelt®
  Iron technology     60  
 
Brazil
           
Consórcio de Alumínio Maranhão
  Alumina production     10  
 
Canada
           
Alouette
  Aluminium production     40  
 
Diavik
  Mining and processing of diamonds     60  
 
Indonesia
           
Grasberg expansion
  Copper and gold mining     40  
 
The Group comprises a large number of operations, and it is not practical to include all of them in this list. The list therefore only includes those proportionally consolidated units that have a more significant impact on the profit or operating assets of the Group.
The Group’s proportionally consolidated units are held by intermediate holding companies and not directly by Rio Tinto plc or Rio Tinto Limited.
 
(a)   The Group owns a 40 per cent interest in Bengalla through its 75.71 per cent investment in Coal and Allied, giving a beneficial interest to the Group of 30.3 per cent.
 
(b)   The Group has a direct interest of 57.2 per cent in Blair Athol Coal, and an additional 14 per cent interest through its investment in Leichhardt Coal Pty Limited, which is disclosed as a jointly controlled entity in note 38.
 
(c)   The Group owns an 80 per cent interest in Mount Thorley through its 75.71 per cent investment in Coal and Allied, giving a beneficial interest to the Group of 60.6 per cent.
 
(d)   The Group holds 65 per cent of Robe River Iron Associates, of which 30 per cent is held through a 60 per cent owned subsidiary. The Group’s net beneficial interest is, therefore, 53 per cent, net of amounts attributable to outside equity shareholders.
()


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Notes to the 2010 financial statements continued
 
 
41   Purchases and sales of subsidiaries, joint ventures, associates and other interests in businesses
2010 acquisitions
Consolidation of Oyu Tolgoi LLC
On 15 December 2010, Rio Tinto gained control of Oyu Tolgoi LLC, following the signing of a new agreement with Ivanhoe Mines Ltd (“Ivanhoe”). Oyu Tolgoi LLC is consolidated by virtue of Rio Tinto’s contractual rights which permit it to exercise control over certain policies and activities of Oyu Tolgoi LLC. No direct equity interest was acquired under the agreement and the existing equity arrangements were not changed as a result of the agreement. Oyu Tolgoi LLC is owned 66 per cent by Ivanhoe and 34 per cent by the Government of Mongolia. The signing of the agreement did not affect the Government of Mongolia’s economic interest in Oyu Tolgoi LLC.
As part of the agreement by which Rio Tinto obtained its contractual rights, Rio Tinto agreed to exercise its remaining warrants for common shares in Ivanhoe, participate fully in Ivanhoe’s US$1.2 billion rights offering, and to provide Ivanhoe with a US$1.8 billion interim loan facility to fund the Oyu Tolgoi project.
The agreement secured for Rio Tinto the right to increase its ownership in Ivanhoe to 49 per cent by, in addition to exercising its remaining warrants for common shares, acquiring a total of 20 million shares at current market prices, evenly from Citibank and Ivanhoe executive chairman and chief executive officer, Robert Friedland, purchasing shares in the market, and exercising its right to subscribe for Ivanhoe common shares from treasury at market prices until January 2012.
On 15 December 2010, Rio Tinto exercised 33,783,784 Series B warrants for common shares at an exercise price of US$8.88 per share, paying a total of US$300 million, and acquired ten million shares in Ivanhoe from Robert Friedland at a market price of US$25.34 per share, paying a total of US$253 million. These transactions increased Rio Tinto’s ownership in Ivanhoe to 40.5 per cent.
100 per cent of Oyu Tolgoi LLC’s identifiable assets and liabilities have been recognised in the statement of financial position at fair values estimated with the assistance of an independent third party valuer, together with goodwill. The historic cost of acquiring the Group’s indirect share of Oyu Tolgoi LLC through its investment in Ivanhoe was deducted from investments in equity accounted units. The Group’s remaining interest in the assets of Ivanhoe that does not relate to Oyu Tolgoi LLC continues to be equity accounted. The transaction generated a non-cash gain of US$531 million.
Due to the complexity of the valuation process, and the proximity of the date on which the agreement was effective to the reporting date, fair values on consolidation are provisional and will be subject to further review during the 12 months from the date on which the agreement was effective.
Oyu Tolgoi LLC owns and manages the Oyu Tolgoi copper-gold complex in Mongolia, where full scale mine construction and development of a copper concentrator and related infrastructure are under way.
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The fair values of the identifiable assets and liabilities of Oyu Tolgoi LLC were provisionally estimated as follows:
         
    Provisional  
    fair value  
    US$m  
   
Intangible assets
    38  
Property, plant & equipment
    5,755  
Inventories
    6  
Cash
    90  
Other assets
    171  
Loans and borrowings
    (213 )
Deferred tax liabilities
    (834 )
Provisions for liabilities and charges
    (2 )
Other liabilities
    (218 )
Non-controlling interests
    (3,912 )
Goodwill
    963  
   
Net attributable assets including goodwill
    1,844  
   
 
       
   
Total consideration
       
Provisional fair value of indirect equity interest in Oyu Tolgoi
    1,476  
Series B warrants exercised
    300  
Shares acquired from Robert Friedland
    253  
Non-Oyu Tolgoi share of Ivanhoe assets acquired
    (185 )
   
Total consideration
    1,844  
   
 
       
Reconciliation of gain recognised on acquisition
       
Amount allocated from investments in EAUs
    (1,313 )
Attributable assets recognised per above
    1,844  
   
Amount included within gain on consolidation per the income statement
    531  
   
A non-controlling interest arises from the Government of Mongolia’s 34 per cent direct interest in Oyu Tolgoi LLC, and from the portion of Ivanhoe’s 66 per cent direct interest not attributable to Rio Tinto’s 40.5 per cent equity holding in Ivanhoe Mines Ltd. as at 15 December 2010. In arriving at the non-controlling interest figure, an adjustment is made to reflect the fact that repayment of funding made by Ivanhoe is required before Oyu Tolgoi LLC can begin to pay dividends.
Goodwill arising on consolidation of US$963 million mostly comprises US$834 million calculated in accordance with the requirement in IFRS to recognise a deferred tax liability on the difference between the provisional fair value of newly consolidated assets and liabilities and their tax base.
There was no impact on Group sales revenue or profit after tax attributable to continuing operations for the period since Oyu Tolgoi LLC’s consolidation in the Group income statement.
Had Oyu Tolgoi been consolidated from 1 January 2010, the consolidated income statement would have reduced by US$118 million to show profit after tax (before attributing amounts to non-controlling interests) of US$15,066 million. Consolidated sales revenue would have been unaffected.
Ivanhoe Mines Limited
In addition to the agreement described above, during the year ended 31 December 2010 Rio Tinto also entered into the transactions described below in relation to its investment in Ivanhoe Mines Limited (“Ivanhoe”).
On 1 March 2010, Rio Tinto announced that it had agreed to acquire 15 million shares in Ivanhoe at a subscription price of C$16.31 per share, increasing its ownership in Ivanhoe by 2.7 per cent to 22.4 per cent. The total consideration for this acquisition was C$244.7 million (US$241 million). The shares were issued to Rio Tinto in satisfaction of an agreement with Ivanhoe in 2008 to finance equipment for the Oyu Tolgoi copper-gold complex in Mongolia’s South Gobi region. After the completion of the acquisition, Rio Tinto owned 98.6 million shares in Ivanhoe.
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Notes to the 2010 financial statements continued
 
41   Purchases and sales of subsidiaries, joint ventures, associates and other interests in businesses continued
On 30 June 2010, Rio Tinto increased its ownership in Ivanhoe to 29.6 per cent following the exercising of all its Series A warrants for a total consideration of US$393 million. After the completion of the exercise of the Series A warrants, Rio Tinto owned 144.66 million shares in Ivanhoe.
On 13 September 2010, Rio Tinto increased its ownership to 34.9 per cent following automatic conversion of the US$350 million convertible debt facility Rio Tinto made available to Ivanhoe in 2007, which was fully drawn down by mid-2008. After the completion of the conversion of the debt facility, Rio Tinto owned 184.75 million shares in Ivanhoe.
The progressive issue of share options and a share purchase plan at Ivanhoe which occurred after the date on which Oyu Tolgoi LLC was initially consolidated impacted Rio Tinto’s effective share, reducing it to 40.3 per cent at 31 December 2010.
The cash flow statement includes US$907 million in “Acquisitions of subsidiaries, joint ventures & associates”. In accordance with IAS 7, this is stated net of US$90 million cash held in newly consolidated operations at the date of consolidation.
2009 acquisitions
On 28 October 2009, Rio Tinto completed the second tranche of its private placement investment in Ivanhoe Mines Ltd., increasing its ownership by 9.8 per cent to 19.7 per cent of Ivanhoe’s common shares. The second tranche consisted of 46,304,473 common shares at a subscription price of US$8.38 per share for a total consideration of US$388 million.
There were no other significant acquisitions for the year ended 31 December 2009.
2008 acquisitions
There were no significant acquisitions for the year ended 31 December 2008.
2010 disposals
Disposals in 2010 relate mainly to the divestment on 21 December 2010 of the Group’s remaining 48 per cent interest in Cloud Peak Energy Inc., through a secondary offering, for gross proceeds of US$573 million.
Proposed Simandou transaction with Chalco
On 29 July 2010, Rio Tinto and Chalco signed a binding agreement to establish a joint venture (JV) covering the development and operation of the Simandou iron ore project in Guinea. The binding agreement followed the signing of a memorandum of understanding between Rio Tinto and Chalco’s parent Chinalco announced on 19 March 2010. The agreement covers all aspects of how the JV and the project itself will operate and be governed, including planning, construction and management of the mine and associated rail and port infrastructure. Under the terms of the agreement, Rio Tinto’s 95 per cent interest in the Simandou project will be held in the new JV. Chalco will acquire a 47 per cent interest in the new JV by providing US$1.35 billion on an earn-in basis through sole funding of ongoing development work over the next two to three years.
Once Chalco has paid its US$1.35 billion, the effective interests of Rio Tinto and Chalco in the Simandou project would be 50.35 per cent and 44.65 per cent respectively. The remaining five per cent is owned by the International Finance Corporation (IFC), the financing arm of the World Bank. Rio Tinto will retain control of the entity established to own the project.
The Government of Guinea holds an option to acquire up to a 20 per cent interest in the project, and has indicated an intention to exercise this option. Upon the exercise taking effect, the effective interests in the project of each of Rio Tinto, Chalco and IFC would be reduced proportionately; however control would be retained by Rio Tinto.
The formation of the Rio Tinto/Chalco JV remains subject to the satisfaction of certain regulatory requirements.
Once the JV takes effect, a wholly owned subsidiary of Rio Tinto will be appointed manager of the project, providing management services to the JV and being responsible for the day-to-day operations of the project. Rio Tinto and Chalco will also establish a joint marketing company to market and distribute Simandou product to customers under an agency agreement with a wholly owned subsidiary of Rio Tinto.
Chinalco and Rio Tinto have entered into an agreement under which Chinalco guarantees the performance of Chalco’s obligations under the Agreement.
Rio Tinto will continue to account for its interest in the Simandou project as a subsidiary. The contributions to funding made by Chalco to acquire an interest in the project will be credited to equity.
2009 disposals
On 1 December 2009, Rio Tinto completed the sale of Alcan Composites, part of Alcan Engineered Products, to Schweiter Technologies for a total consideration of US$349 million.
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On 20 November 2009, Rio Tinto received US$741 million in connection with Cloud Peak Energy Inc’s initial public offering (IPO) and related transactions, comprising US$434 million net proceeds from the sale of part of Rio Tinto’s interest in Cloud Peak Energy Resources LLC (CPER), in connection with Cloud Peak Energy Inc’s IPO of common stock, and a cash distribution by CPER of US$307 million from the proceeds of its debt offering of US$600 million. An additional US$7 million was received as part of a working capital adjustment at 31 December 2009. Rio Tinto retained an interest in CPER of 48 per cent, which was treated as an equity accounted unit (EAU) until its disposal on 21 December 2010.
US$660 million of sales proceeds arose from these transactions and US$151 million was received as dividends from an EAU. The sales proceeds comprised the gross IPO proceeds of US$459 million, 52 per cent of the cash distribution by CPER (representing the percentage not retained by the Group) and US$38 million of deferred consideration.
On 1 October 2009, Rio Tinto completed the sale of its Jacobs Ranch coal mine to Arch Coal Inc. for a final cash consideration of US$764 million.
On 18 September 2009, Rio Tinto completed the sale of its Corumbá iron ore mine and associated river logistics operations to Vale SA for a cash consideration of US$750 million.
On 26 January 2009, Rio Tinto completed the sale of its 50 per cent equity share of the Alcan Ningxia aluminium joint venture in China to Qingtongxia Aluminium Group Co Ltd (QTX) for gross cash consideration of US$125 million.
The aggregated carrying value of the Group’s share of the major classes of assets and liabilities at the dates of sale were:
         
    2009  
    US$m  
 
Goodwill
    184  
Intangible assets
    169  
Property, plant & equipment
    2,021  
Investments in equity accounted units
    11  
Inventories
    288  
Other financial assets
    251  
Borrowings
    (12 )
Deferred tax liabilities
    (82 )
Provisions
    (796 )
Non-controlling interests
    (1 )
 
Net assets
    2,033  
 
 
       
 
Add: Divestment of investment in associate
    80  
Less: Retained investment in associates
    (359 )
Less: Recycled gains and losses and movements in other comprehensive income
    (18 )
 
Net assets and investments in associates disposed of
    1,736  
 
 
       
 
Consideration
       
 
Cash proceeds (net of transactions costs) (a)
    2,424  
Deferred consideration
    46  
Accrued disposal costs
    (42 )
 
Net consideration
    2,428  
 
Gain on disposal
    692  
 
 
       
Net cash inflow from disposals
    2,424  
Acquisitions of subsidiaries, joint ventures and associates
    (396 )
 
Cash flow from disposals/acquisitions of subsidiaries, joint ventures and associates
    2,028  
 
 
(a)   Cash proceeds were stated net of US$20 million cash and cash equivalents transferred on sale of subsidiaries.
2008 Disposals
On 5 March 2008, the Group completed the sale of its interest (Rio Tinto share 40 per cent) in the Cortez gold mine (previously in the Copper product group) for a sales price which included cash consideration of US$1,695 million. The Group benefits from a deferred bonus payment in the event of a significant discovery of additional reserves and mineralisation at the Cortez mine and also retains a contingent royalty interest in the future production of the property.
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Notes to the 2010 financial statements continued
 
41   Purchases and sales of subsidiaries, joint ventures, associates and other interests in businesses continued
On 16 April 2008, the Group completed the sale of its joint venture interest (Rio Tinto share 70.3 per cent) in the Greens Creek mine to Hecla Mining Company. Greens Creek, which mines silver, gold, zinc and lead, was previously part of the Copper product group. The sale price was US$750 million, comprising a cash component of US$700 million with the balance in the common stock of Hecla Mining Company.
The aggregate profit on disposal of interests in businesses (including investments) in 2008 was US$2,231 million (US$1,470 million net of tax). These gains were excluded from Underlying earnings, as shown in note 2.
The cash flow statement includes US$2,572 million in “Disposals of subsidiaries, joint ventures & associates” and US$9 million paid for acquisitions in 2008. In accordance with IAS 7, these proceeds were stated net of US$5 million cash and cash equivalents transferred on sale of subsidiaries.
Non-cash disposal proceeds of US$88 million were received during the year.
42  Directors’ and key management remuneration
Aggregate remuneration, calculated in accordance with the Companies Act 2006, of the directors of the parent companies was as follows:
                         
    2010     2009     2008  
    US$’000     US$’000     US$’000  
 
Emoluments
    11,384       18,021       10,620  
Long term incentive plans
    3,334       3,092       2,647  
 
 
    14,718       21,113       13,267  
 
Pension contributions: defined contribution plans
    54       389       338  
 
Gains made on exercise of share options
    17,265       20        
 
The aggregate remuneration incurred by Rio Tinto plc in respect of its directors was US$10,510,000 (2009: US$17,784,000; 2008: US$13,214,000). The aggregate pension contribution to defined contribution plans was nil (2009: US$342,000; 2008: US$338,000). The aggregate remuneration, including pension contributions and other retirement benefits, incurred by Rio Tinto Limited in respect of its directors was US$4,262,000 (2009: US$3,718,000; 2008: US$391,000). The aggregate pension contribution to defined contribution plans was US$54,000 (2009: US$47,000; 2008: US$43,000).
During 2010, three directors (2009: three; 2008: two) accrued retirement benefits under defined benefit arrangements, and one director (2009: two; 2008: one) accrued retirement benefits under defined contribution arrangements.
Emoluments included in the table above have been translated from local currency at the average rate for the year with the exception of bonus payments which, together with amounts payable under long term incentive plans, have been translated at the year end rate.
Detailed information concerning directors’ remuneration, shareholdings and options is shown in the Remuneration report, including Tables 1 to 5, on pages 144 to 155 of the 2010 Annual report.
Aggregate compensation, representing the expense recognised under IFRS, of the Group’s key management, including directors, was as follows:
                         
    2010     2009     2008  
    US$’000     US$’000     US$’000  
 
Short term employee benefits and costs
    28,487       35,881       21,086  
Post employment benefits
    3,984       3,692       3,664  
Termination benefits
          1,357        
Share based payments
    20,822       34,476       (5,360 )
 
 
    53,293       75,406       19,390  
 
The figures shown above include employment costs which comprise social security and accident premiums in the UK and US and payroll taxes in Australia paid by the employer as a direct additional cost of hire. In total, they amount to US$2,020,000 (2009: US$2,269,000; 2008: US$1,389,000) and although disclosed here, are not included in Table 1 of the Remuneration report.
In 2005, prior to being appointed a member of key management personnel, Andrew Harding relocated to the United States (US). As an expatriate in the US, Mr Harding was unable to access car leasing arrangements and so was loaned a sum of US$30,000 by the Group for the purposes of purchasing a car. The loan repayable over 60 months attracted interest of US$3,235 during the term of the loan. The balance as at 1 January 2010 was US$4,531 and the loan was repaid in full on 21 December 2010.
More detailed information concerning the remuneration of key management is shown in the Remuneration report, including Tables 1 to 5 on pages 144 to 155 of the 2010 Annual report.
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43  Auditors’ remuneration
                         
    2010     2009     2008  
    US$m     US$m     US$m  
 
Group auditors’ remuneration (a)
                       
Audit services pursuant to legislation
                       
– audit of the Group’s annual accounts
    2.9       2.3       3.2  
– audit of the accounts of the Group’s subsidiaries
    13.8       20.9       26.5  
 
                       
Audit services in connection with divestment programme (b)
    9.1       22.0       24.4  
 
 
                       
 
    25.8       45.2       54.1  
Other services
                       
– services in connection with bond issues/capital raising
    0.3       4.2        
– services in connection with bid defence
                9.4  
– services in connection with divestment programme
    5.0       8.4       25.8  
– taxation services (c)
    0.4       2.1       3.3  
– other services
    1.8       2.2       2.6  
 
Total other services
    7.5       16.9       41.1  
 
 
    33.3       62.1       95.2  
 
 
                       
Remuneration payable to other accounting firms (d)
                       
Audit services pursuant to legislation
                       
– audit of accounts of the Group’s subsidiaries
    2.6       0.5       0.2  
 
                       
Non audit services
                       
– taxation services (c)
    6.6       9.1       15.8  
– financial systems design and implementation
                0.2  
– internal audit
    6.5       8.4       7.1  
– litigation services
    0.4       0.1        
– other services (e)
    15.9       12.2       42.0  
 
 
    32.0       30.3       65.3  
Fees in respect of pension scheme audits
          0.1       0.3  
 
 
    32.0       30.4       65.6  
 
 
    65.3       92.5       160.8  
 
 
(a)   The remuneration payable to PricewaterhouseCoopers, the Group auditors, is approved by the Audit committee. The committee sets the policy for the award of non audit work to the auditors and approves the nature and extent of such work, and the amount of the related fees, to ensure that independence is maintained. The fees disclosed above consolidate all payments made to PricewaterhouseCoopers by the Companies and their subsidiaries, together with the Group’s share of the payments made by proportionally consolidated units. Non-audit services arise largely from assurance and/or regulation related work.
 
(b)   Audit services represent assurance provided in respect of carve-out financial statements.
 
(c)   ‘Taxation services’ includes tax compliance and advisory services. Tax compliance involves the preparation or review of returns for corporation, income, sales and excise taxes. Tax advisory services includes advice on non recurring acquisitions and disposals, advice on transfer pricing and advice on employee global mobility.
 
(d)   ‘Remuneration payable to other accounting firms’ does not include fees for similar services payable to suppliers of consultancy services other than accountancy firms.
 
(e)   ‘Other services’ in 2010, 2009 and 2008 in respect of other accounting firms includes costs relating to capital raising, divestments and similar corporate services, pension fund and payroll administration, advice on accounting matters, secondments of accounting firms’ staff, forensic audit and other consultancy.
 
    ‘Other services’ in 2008 in respect of other accounting firms includes one off costs related to the rejection by the board of the pre-conditional takeover proposal from BHP Billiton which was withdrawn in November 2008.
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Notes to the 2010 financial statements continued
 
44  Related party transactions
Information about material related party transactions of the Rio Tinto Group is set out below:
Subsidiary companies and proportionally consolidated units
Details of investments in principal subsidiary companies are disclosed in note 37.
Information relating to proportionally consolidated units can be found in note 40.
Equity accounted units
Transactions and balances with equity accounted units are summarised below. Purchases relate largely to amounts charged by jointly controlled entities for toll processing of bauxite and alumina. Sales relate largely to charges for supply of coal to jointly controlled marketing entities for onward sale to third party customers.
                         
    2010     2009     2008  
Income statement items   US$m     US$m     US$m  
 
Purchases from equity accounted units
    (3,009 )     (2,558 )     (2,770 )
Sales to equity accounted units
    3,038       2,088       3,011  
 
                         
Cash flow statement items   US$m     US$m     US$m  
 
Net funding of equity accounted units
    (154 )     (265 )     (334 )
 
                         
Statement of financial position items   US$m     US$m          
 
Investments in equity accounted units (note 14) (a)
    6,503       6,735          
Loans to equity accounted units
    337       338          
Loans from equity accounted units
    (278 )     (157 )        
Trade and other receivables: amounts due from equity accounted units (note 17)
    1,341       941          
Trade and other payables: amounts due to equity accounted units (note 25)
    (727 )     (402 )        
 
 
(a)   Further information about investments in equity accounted units is set out in notes 38 and 39.
In November 2009, as part of the disposal process of Cloud Peak, Rio Tinto Energy America Inc. and Cloud Peak Energy Resources LLC (CPER) agreed for existing Rio Tinto plc guaranteed surety bonds and letters of credit, principally securing the reclamation obligations for the Cloud Peak business, to continue for a transition period. All of these guaranteed surety bonds and letters of credit had been replaced by CPER credit enhancements as at 31 December 2010 and Rio Tinto plc has therefore been released from these obligations.
Pension funds
Rio Tinto plc guarantees to pay the Rio Tinto Pension Fund (UK) any contributions due from Group companies participating in that fund, pro rata to its ownership of those companies, in the event that the companies fail to meet their contribution requirements. Furthermore, Rio Tinto plc agreed to put in place a guarantee for the Rio Tinto Pension Fund, in the standard form required by the Pension Protection Fund (PPF), to cover 105 per cent of the Fund’s liabilities measured on the PPF’s prescribed assumptions. Other similar guarantees in place include a Rio Tinto plc guarantee to the Rio Tinto 2009 Pension fund, with no limit on liabilities, and a guarantee from British Alcan Aluminium plc to the British Alcan Pension Plan, covering the contributions due from participating employers up to a PPF funding level of 105 per cent.
Detailed information relating to pension fund arrangements is disclosed in note 50.
Directors and key management
Details of directors’ and key management remuneration are set out in note 42 and in the Remuneration report on pages 128 to 155.
45  Exchange rates in US$
The principal exchange rates used in the preparation of the 2010 financial statements are:
                                                 
    Annual average     Year end  
    2010     2009     2008     2010     2009     2008  
 
Sterling
    1.55       1.57       1.86       1.55       1.61       1.44  
Australian dollar
    0.92       0.79       0.86       1.02       0.89       0.69  
Canadian dollar
    0.97       0.88       0.94       1.00       0.95       0.82  
South African rand
    0.14       0.12       0.12       0.15       0.14       0.11  
Euro
    1.33       1.39       1.47       1.33       1.44       1.41  
 
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46  Rights issues
The terms of the rights issues in 2009 were: 21 New Rio Tinto plc Shares offered for every 40 existing shares at 1,400 pence per share and 21 New Rio Tinto Limited Shares offered for every 40 existing shares at A$28.29 per share, completed on 2 July 2009 and 3 July 2009 respectively.
Both Rio Tinto plc and Rio Tinto Limited entered into a series of forward US dollar derivative exchange contracts to minimise exposure to foreign exchange rates and provide confidence in absolute US dollar rights issue proceeds. The forward contracts taken out by both companies were accounted for as derivatives, for which different accounting treatments were applied in accordance with IFRS hedge accounting rules. This was due to the different functional currencies of Rio Tinto plc and Rio Tinto Limited (US dollar and Australian dollar respectively). Losses on contracts entered into by Rio Tinto plc were charged against share premium as share issue costs, while losses on the contracts entered into by Rio Tinto Limited were recognised in the income statement and excluded from Underlying earnings. Settlement of losses on all contracts were included within “Other investing cash flows” in the cash flow statement.
The rights issues were at a discount to the then market price. Accordingly, the earnings per share for all periods up to the date on which the shares were issued have been adjusted for the bonus element of the rights issues. The bonus factor for Rio Tinto plc was 1.2105 and for Rio Tinto Limited was 1.2679. 2008 comparatives for both earnings per share and ordinary dividends per share were adjusted accordingly.
47  Bougainville Copper Limited (BCL)
Mining has been suspended at the Panguna mine since 1989. Safe mine access by company employees has not been possible since that time and an accurate assessment of the condition of the assets cannot therefore be made. Considerable funding would be required to recommence operations to the level which applied at the time of the mine’s closure in 1989. An Order of Magnitude study undertaken in 2008 indicates that costs in a range of US$2 billion to US$4 billion would be required to re-open the mine assuming all site infrastructure is replaced. The directors consider that the Group does not currently realise a benefit from its interest in BCL and therefore BCL information continues to be excluded from the financial statements.
BCL reported a net profit of US$1 million for the financial year (2009: net profit of US$3 million). This is based upon actual transactions for the financial year. The aggregate amount of capital and reserves reported by BCL as at 31 December 2010 was US$142 million (2009: US$138 million). The Group owns 214,887,966 shares in BCL, representing 53.6 per cent of the issued share capital. The investment of US$195 million was fully provided against in 1991. At 31 December 2010, the number of shares in BCL held by the Group, multiplied by the share price as quoted in the Australian Stock Exchange, resulted in an amount of US$354 million (2009: US$114 million).
48  Events after the statement of financial position date
On 4 January 2011, Rio Tinto completed the divestment of 61 per cent of Alcan Engineered Products (AEP) to certain investment funds affiliated with Apollo Global Management, LLC (Apollo) and the Fonds Stratégique d’Investissement (FSI). The terms of the transaction are confidential.
Apollo is now the majority shareholder in AEP with a 51 per cent stake in a new holding company for AEP, with the FSI holding 10 per cent. Rio Tinto holds a 39 per cent stake and will treat its interest in AEP as an equity accounted unit.
On 3 February, Rio Tinto acquired an additional 34,387,776 additional shares in Ivanhoe Mines Ltd. (“Ivanhoe”), by participating fully in Ivanhoe’s strategic rights offering, paying a total of US$477 million and maintaining the Group’s interest in Ivanhoe. On 3 February, Rio Tinto also completed the purchase of ten million shares in Ivanhoe, together with the rights (1.5 million shares) associated with these shares from Citibank, in accordance with the announcement made on 15 December 2010, paying a total of US$274 million. The transaction increased Rio Tinto’s ownership of Ivanhoe to 42.1 per cent.
On 10 February 2011, as part of its capital management programme, the Group announced a share buy back of US$5 billion which, subject to market conditions, is planned for completion by the end of 2012. At 21 February 2011, 1.725 million Rio Tinto plc shares had been repurchased and held in treasury at an average price of £45.02 per share, resulting in total consideration paid of US$125.5 million. No Rio Tinto Limited shares had been repurchased at 21 February 2011.
On 23 February 2011, Rio Tinto has received a binding offer from Imerys to acquire its talc business for an enterprise value of US$340 million. A period of exclusivity with Imerys has been agreed, and Rio Tinto will respond to this binding offer following consultation with the relevant European works councils.
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Notes to the 2010 financial statements continued
 
49  Share based payments
Rio Tinto plc and Rio Tinto Limited (“the Companies”) have a number of share based payment plans, which are described in detail in the Remuneration report. These plans have been accounted for in accordance with the fair value recognition provisions of “IFRS 2 Share based Payment”, which means that IFRS 2 has been applied to all grants of employee share based payments that had not vested as at 1 January 2004.
The charge/(credit) that has been recognised in the income statement for Rio Tinto’s share based compensation plans, and the related liability (for cash-settled plans), is set out in the table below.
                                         
    Charge/(credit) recognised for the year     Liability at the end of the year  
    2010     2009     2008     2010     2009  
    US$m     US$m     US$m     US$m     US$m  
         
         
Equity-settled plans
    119       76       61              
Cash-settled plans (a)
    5       101       (83 )     5       111  
         
Total
    124       177       (22 )     5       111  
 
 
(a)   From 1 July 2010, the accounting treatment for the Performance Share Plan (formerly called the Mining Companies Comparative Plan) changed from cash settled to equity settled. This resulted in six months of expense being classified as “cash-settled” and the remaining six months as “equity-settled”. For further detail, refer to the Performance Share Plan section in this note.
Effect of the 2009 rights issues
All options and awards outstanding when the rights issues took place were adjusted to nullify any impact on the economic position of the participant at exercise. For Rio Tinto plc options the fair values and exercise prices were reduced by the bonus element and the number of options and awards were increased by the same proportion.
For the Rio Tinto Limited awards, but not options, “top-up” awards were granted to increase the number held with a corresponding decrease in the associated fair value. For Rio Tinto Limited options the exercise price was reduced so that their intrinsic value measured at June 2009 remained unchanged as a result of the rights issue.
Lattice-based option valuation model
The fair value of share options is estimated as at the date of grant using a lattice-based option valuation model. The significant assumptions used in the valuation model are disclosed below. Expected volatilities are based on the historical volatility of Rio Tinto’s share returns under the UK and Australian listings. Historical data was used to estimate employee forfeiture and cancellation rates within the valuation model. Under the Share Option Plans, it is assumed that after options have vested, 20 per cent per annum of participants will exercise their options when the market price is at least 20 per cent above the exercise price of the option. Participants in the Share Savings Plans are assumed to exercise their options immediately after vesting.
The implied lifetime of options granted is derived from the output of the option valuation model and represents the period of time that options granted are expected to be outstanding. The risk-free rate used in the valuation model is equal to the yield available on UK and Australian zero-coupon government bonds (for Rio Tinto plc and Limited options respectively) at the date of grant with a term equal to the expected term of the options.
Summary of options outstanding
A summary of the status of the Companies’ equity-settled share option plans at 31 December 2010, and changes during the year ended 31 December 2010, is presented below.
                                 
            Weighted     Weighted     Aggregate  
            average     average     intrinsic  
            exercise price     remaining     value  
            per option     contractual     2010  
Options outstanding at 31 December 2010   Number     £/A$     life Years     US$m  
 
 
Rio Tinto plc Share Savings Plan (£13 – £32)
    1,359,798       23.85       2.3       44  
Rio Tinto Limited Share Savings Plan (A$24 – A$67)
    2,152,181       52.15       3.0       73  
Rio Tinto plc Share Option Plan (£10 – £48)
    3,771,818       21.15       6.1       140  
Rio Tinto Limited Share Option Plan (A$16 – A$119)
    1,397,053       43.86       6.2       60  
 
 
    8,680,850                       317  
 
 
As at 31 December 2009, there were 11,955,880 options outstanding with an aggregate intrinsic value of US$316 million.
234  Rio Tinto 2010 Annual report


 


Table of Contents

 
                                 
                    Weighted        
            Weighted     average     Aggregate  
            average     remaining     intrinsic  
            exercise price     contractual     value  
            per option     life     2010  
Options exercisable at 31 December 2010   Number     £/A$     Years     US$m  
 
Rio Tinto plc Share Option Plan (£10 – £23)
    1,757,255       14.83       3.5       82  
Rio Tinto Limited Share Option Plan (A$16 – A$55)
    685,440       38.14       3.9       33  
 
 
    2,442,695                       115  
 
 
As at 31 December 2010, there were no options exercisable under either the Rio Tinto plc or the Rio Tinto Limited Share Savings Plans.
Share Savings Plans
Awards under these plans are settled in equity and accounted for accordingly. The fair value of each award on the day of grant was estimated using a lattice-based option valuation model, including allowance for the exercise price being at a discount to market price. The key assumptions used in the valuation are noted in the following table.
                                                 
    Risk-free     Expected     Dividend     Forfeiture     Cancellation     Implied  
    interest rate     volatility     yield     rates     rates  (a)   lifetime  
    %     %     %     %     %     Years  
 
Awards made in 2010
                                               
– Rio Tinto plc
    0.8-2.0       46.0       1.9       5.0       5.0       2.2-5.2  
– Rio Tinto Limited
    4.8-4.9       37.0       1.5       5.0       5.0       3.2-5.2  
 
 
 
(a)   In addition to the regular cancellation rates above it is assumed that on the anniversary of date of grant a proportion of employees will cancel their awards in favour of new awards if the then share price is less than the exercise price. The proportion assumed is a sliding scale from 20 per cent cancelling if the then share price equals the exercise price to 100 per cent cancelling if the then share price is 75 per cent of the exercise price or less.
Rio Tinto plc – Share Savings Plan
                                 
            Weighted             Weighted  
            average             average  
            exercise             exercise  
            price             price  
    2010     2010     2009     2009  
    Number     £     Number     £  
 
Options outstanding at 1 January
    1,474,390       20.90       1,661,006       18.88  
Granted
    370,184       28.49       453,616       22.20  
Forfeited on failure to meet service condition
    (73,396 )     19.57       (57,375 )     20.32  
Exercised
    (300,793 )     15.76       (269,227 )     12.02  
Cancellations
    (51,495 )     22.98       (160,546 )     23.93  
Expired
    (59,092 )     26.60       (153,084 )     15.53  
 
Options outstanding at 31 December
    1,359,798       23.85       1,474,390       20.90  
 
 
                               
 
Weighted average fair value, at date of grant, of options granted during the year (£)
            10.76               9.27  
Share price, at date of grant, of options granted during the year (£)
            36.97               29.72  
Weighted average share price at the time the options were exercised during the year (£)
            34.47               18.29  
 
 
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Notes to the 2010 financial statements continued
 
49  Share based payments continued
Rio Tinto Limited – Share Savings Plan
                                 
          Weighted             Weighted  
          average             average  
          exercise             exercise  
          price             price  
    2010     2010     2009     2009  
    Number     A$     Number     A$  
 
Options outstanding at 1 January
    2,139,259       48.17       1,901,417       43.40  
Granted
    467,076       59.26       1,183,090       48.73  
Forfeited on failure to meet service condition
    (67,913 )     55.43       (95,677 )     51.17  
Exercised
    (245,613 )     31.54       (340,646 )     20.96  
Cancellations
    (100,533 )     55.04       (374,471 )     58.39  
Expired
    (40,095 )     36.22       (134,454 )     23.94  
 
Options outstanding at 31 December
    2,152,181       52.15       2,139,259       48.17  
 
 
                               
 
Weighted average fair value, at date of grant, of options granted during the year (A$)
            24.31               20.89  
Share price, at date of grant, of options granted during the year (A$)
            78.08               64.68  
Weighted average share price at the time the options were exercised during the year (A$)
            71.79               46.43  
 
Share Option Plans
The Group has a policy of settling these awards in equity, although the directors at their discretion can offer a cash alternative. The awards are accounted for in accordance with the requirements applying to equity-settled, share based payment transactions. The performance conditions in relation to Total Shareholder Return (TSR) have been incorporated in the measurement of fair value for these awards by modelling the correlation between Rio Tinto’s TSR and that of the index. The relationship between Rio Tinto’s TSR and the index was simulated many thousands of times to derive a distribution which, in conjunction with the lattice-based option valuation model, was used to determine the fair value of the options.
The key assumptions are noted in the following table.
                                         
    Risk-free     Expected     Dividend     Forfeiture     Implied  
    interest rate     volatility     yield     rates     lifetime  
    %     %     %     %     Years  
 
Awards made in 2010
                                       
– Rio Tinto plc
    2.9       46.0       2.0             5.2  
– Rio Tinto Limited
    5.6       37.0       1.6             6.2  
 
A summary of the status of the Companies’ performance-based share option plans at 31 December 2010, and changes during the year ended 31 December 2010, is presented below.
Rio Tinto plc – Share Option Plan
                                 
          Weighted             Weighted  
          average             average  
          exercise             exercise  
          price             price  
    2010     2010     2009     2009  
    Number     £     Number     £  
 
Options outstanding at 1 January
    5,902,934       17.60       5,647,992       17.25  
Granted
    539,212       37.05       1,284,749       16.53  
Forfeited on failure to meet service condition
    (46,253 )     17.37       (112,917 )     17.30  
Exercised
    (1,561,451 )     13.56       (916,890 )     14.03  
Failed performance conditions
    (854,883 )     22.56              
Expired
    (207,741 )     13.72              
 
Options outstanding at 31 December
    3,771,818       21.15       5,902,934       17.60  
 
 
                               
 
Weighted average fair value, at date of grant, of options granted during the year (£)
            13.91               5.49  
Weighted average share price, at date of grant, of options granted during the year (£)
            36.70               17.44  
Weighted average share price at the time the options were exercised during the year (£)
            36.94               26.89  
 
In addition to the equity-settled options shown above, there were 52,925 cash-settled options outstanding at 31 December 2010. The total liability for these awards at 31 December 2010 was US$2 million (2009: US$4 million).
236  Rio Tinto 2010 Annual report


 


Table of Contents

 
Rio Tinto Limited – Share Option Plan
                                 
          Weighted             Weighted  
          average             average  
          exercise             exercise  
          price             price  
    2010     2010     2009     2009  
    Number     A$     Number     A$  
 
Options outstanding at 1 January
    2,439,297       42.05       2,711,678       38.82  
Granted
    178,630       76.15       540,422       33.45  
Forfeited on failure to meet service condition
    (25,140 )     37.66       (43,559 )     40.24  
Exercised
    (652,443 )     35.21       (769,244 )     24.73  
Failed performance conditions
    (497,884 )     59.01              
Expired
    (45,407 )     35.17              
 
Options outstanding at 31 December
    1,397,053       43.86       2,439,297       42.04  
 
 
                               
 
Weighted average fair value, at date of grant, of options granted during the year (A$)
            26.97               13.35  
Weighted average share price, at date of grant, for options granted during the year (A$)
            76.19               40.03  
Weighted average share price at the time the options were exercised during the year (A$)
            75.32               54.35  
 
In addition to the equity-settled options shown above there were 19,915 cash-settled options outstanding at 31 December 2010. The total liability for these awards at 31 December 2010 was US$1 million (2009: US$2 million).
Share Ownership Plan
The fair values of awards of Matching and Free Shares made by Rio Tinto are taken to be the market value of the shares on the date of purchase. These awards are settled in equity. The total fair value of shares awarded during the year was US$2 million (2009: US$1 million).
Performance Share Plan (formerly the Mining Companies Comparative Plan)
Prior to 2010, the Remuneration committee gave the Plan’s participants the option to receive their awards in cash or as shares. This option resulted in the Plan being classified as a cash-settled share-based payment transaction and it was accounted for accordingly.
In 2010, the Group’s policy for settling these awards changed. For settlement of all future awards under this Plan, participants will be assigned shares with no option to receive a cash alternative. As a result of this, and with effect from 1 July 2010, the Plan has been accounted for in accordance with the requirements applying to equity-settled share-based payment transactions. As required by IFRS 2 the provision balance of US$57 million was transferred directly to equity with no impact on the income statement.
The change in settlement policy has been accounted for under IFRS 2 as a modification. Accordingly, the fair values of the awards granted prior to this change were re-measured at 1 July 2010 and from that date treated as equity-settled awards. The incremental fair value as a result of this modification was nil. This re-measurement was calculated using a Monte Carlo simulation model. The fair value of awards granted after July 2010 are measured at date of grant.
For the purpose of the disclosures below, the grant date fair values of the awards made prior to 2008 were calculated as the market value of the shares at the date of award reduced by 50 per cent for anticipated relative TSR performance. The grant date fair value of the awards made since 2008 were calculated using a Monte Carlo simulation model. In each case fair values were adjusted for non-receipt of dividends between measurement date and date of vesting (excluding awards for executive directors and product group CEOs). Forfeitures are assumed prior to vesting at three per cent per annum of outstanding awards (except for the 2009 awards which applied to senior executives only with no allowance for forfeitures).
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Table of Contents

Notes to the 2010 financial statements continued
 
49 Share based payments continued
Rio Tinto plc – Performance Share Plan
                                 
          Weighted             Weighted  
          average             average  
          fair value             fair value  
          at grant             at grant  
          date             date  
    2010     2010     2009     2009  
    Number     £     Number     £  
 
Non-vested shares at 1 January
    2,324,181       14.98       3,148,648       12.21  
Reclassification of phantom awards
    (19,624 )     12.81              
Awarded
    1,127,414       36.35       191,887       13.56  
Forfeited on failure to meet service condition
    (51,313 )     20.33       (31,116 )     16.19  
Failed performance conditions
    (416,765 )     7.49       (145,215 )     5.81  
Vested
    (488,544 )     7.41       (840,023 )     5.81  
 
Non-vested shares at 31 December
    2,475,349       27.37       2,324,181       14.98  
 
Weighted average share price at date of vesting (£)
            32.06               16.13  
 
                                 
          Total fair             Total fair  
          value             value  
    2010     2010     2009     2009  
    Number     £’000     Number     £’000  
 
Shares issued in settlement of vested awards
    488,544       15,867       292,719       4,801  
Total cash payments made in settlement of vested awards
                          9,236  
 
In addition to the equity-settled options shown above there were 19,624 cash-settled awards outstanding at 31 December 2010. The total liability for these awards at 31 December 2010 was US$1 million.
Rio Tinto Limited – Performance Share Plan
                                 
          Weighted             Weighted  
          average             average  
          fair value at             fair value at  
          grant date             grant date  
    2010     2010     2009     2009  
    Number     A$     Number     A$  
 
Non-vested shares at 1 January
    1,515,643       31.97       2,162,867       26.97  
Reclassification of phantom awards
    (9,563 )     28.28              
Awarded
    576,767       75.81       32,284       32.74  
Forfeited on failure to meet service condition
    (156,918 )     37.49       (36,541 )     35.13  
Failed performance conditions
    (302,218 )     19.61       (87,442 )     15.03  
Vested
    (334,135 )     19.42       (555,525 )     15.03  
 
Non-vested shares at 31 December
    1,289,576       57.09       1,515,643       31.97  
 
Weighted average share price at date of vesting (A$)
            71.94               39.80  
 
                                 
          Total fair             Total fair  
          value             value  
    2010     2010     2009     2009  
    Number     A$’000     Number     A$’000  
 
Shares issued in settlement of vested awards
    334,135       24,466       175,916       7,261  
Total cash payments made in settlement of shares vested during the year
                          17,088  
 
In addition to the equity-settled options shown above there were 9,563 cash-settled awards outstanding at 31 December 2010. The total liability for these awards at 31 December 2010 was less than US$1 million.
Management Share Plan
The Management Share Plan was introduced during 2007 to provide conditional share based awards to management. The vesting of these awards is dependent on service and/or performance based conditions being met. The awards will be settled in equity including the dividends accumulated from date of award to vesting. The awards are accounted for in accordance with the requirements applying to equity-settled share based payment transactions. The fair value of each award on the day of grant is equal to share price on the day of grant less a small adjustment for the timing of dividends. Forfeitures are assumed prior to vesting at five per cent per annum of outstanding awards.
238  Rio Tinto 2010 Annual report


 


Table of Contents

 
A summary of the status of the Companies’ share plans at 31 December 2010, and changes during the year, is presented below.
Rio Tinto plc – Management Share Plan
                                 
            Weighted             Weighted  
            average fair             average fair  
            value at             value at grant  
            grant date             date  
    2010     2010     2009     2009  
    Number     £     Number     £  
 
Non-vested awards at 1 January
    2,131,808       24.00       862,850       36.89  
Awarded
    999,569       36.34       1,593,271       17.84  
Forfeited on failure to meet service condition
    (202,063 )     25.36       (196,816 )     25.77  
Vested
    (423,163 )     25.20       (127,497 )     31.50  
 
Non-vested awards at 31 December
    2,506,151       28.61       2,131,808       24.00  
 
                                 
 
            Weighted             Weighted  
            average             average share  
            share price             price  
    2010     2010     2009     2009  
    Number     £     Number     £  
 
Shares issued in respect of vested awards (including dividend shares applied on vesting)
    374,609       34.69       127,497       22.77  
 
 
In addition to the equity-settled awards shown above, there were 11,545 cash-settled awards outstanding at 31 December 2010. The total liability for these awards at 31 December 2010 was US$1 million (2009: US$6 million).
 
Rio Tinto Limited – Management Share Plan
 
            Weighted             Weighted  
            average             average  
            fair value             fair value  
            at grant             at grant  
            date             date  
    2010     2010     2009     2009  
    Number     A$     Number     A$  
 
Non-vested awards at 1 January
    1,090,803       59.06       511,643       84.06  
Awarded
    569,125       75.71       735,282       43.30  
Forfeited on failure to meet service condition
    (67,484 )     60.72       (119,565 )     65.25  
Vested
    (248,325 )     67.38       (36,557 )     71.77  
 
Non-vested awards at 31 December
    1,344,119       64.49       1,090,803       59.06  
 
 
            Weighted             Weighted  
            average             average  
            share price             share price  
    2010     2010     2009     2009  
    Number     A$     Number     A$  
 
Shares issued in respect of vested awards (including dividend shares applied on vesting)
    282,117       73.59       36,557       50.42  
 
In addition to the equity-settled awards shown above there were 2,056 cash-settled awards outstanding at 31 December 2010. The total liability for these awards at 31 December 2010 was less than US$1 million (2009: less than US$1 million).
Bonus Deferral Plan
The Bonus Deferral Plan was introduced during 2009 and is made up of two parts: the Bonus Deferral Award and the Company Contributed Award. The Bonus Deferral Award was established for the mandatory deferral of 100 per cent of the 2008 Bonus for executive directors and product group executives and 50 per cent of the 2008 Bonus for other executives. In addition, in order to enhance retention of key employees the Company Contributed Award was made in respect of 25 per cent of the gross annual basic salary for other executives. The vesting of these awards is dependent only on service conditions being met. The awards will be settled in equity including the dividends accumulated from date of award to vesting. The awards are accounted for in accordance with the requirements applying to equity-settled share based payment transactions. The fair value of each award on the day of grant is equal to share price on the day of grant less a small adjustment for the timing of dividends vesting. Forfeitures are assumed prior to vesting at three per cent per annum of outstanding awards.
A summary of the status of the Companies’ share plans at 31 December 2010, and changes during the year, is presented on page 240.
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Notes to the 2010 financial statements continued
 
49   Share based payments continued
Rio Tinto plc – Bonus Deferral Plan
                                 
            Weighted             Weighted  
            average fair             average fair  
            value at             value at  
            grant date             grant date  
    2010     2010     2009     2009  
    Number     £     Number     £  
 
Non-vested awards at 1 January
    487,913       17.32                  
Awarded
                536,149       17.32  
Forfeited on failure to meet service condition
    (30,889 )     17.32       (4,907 )     17.32  
Vested
    (204,412 )     17.32       (43,329 )     17.32  
 
Non-vested awards at 31 December
    252,612       17.32       487,913       17.32  
 
                                 
            Weighted             Weighted  
            average             average  
            share price             share price  
    2010     2010     2009     2009  
    Number     £     Number     £  
 
Shares issued in respect of vested awards (including dividend shares applied on vesting)
    213,786       42.74       9,171       29.75  
 
Rio Tinto Limited – Bonus Deferral Plan
                                 
            Weighted             Weighted  
            average             average  
            fair value             fair value  
            at grant             at grant  
            date             date  
    2010     2010     2009     2009  
    Number     A$     Number     A$  
 
Non-vested awards at 1 January
    251,939       41.75                  
Awarded
                278,405       41.75  
Forfeited on failure to meet service condition
    (12,210 )     41.75       (13,460 )     41.75  
Vested
    (108,304 )     41.75       (13,006 )     41.75  
 
Non-vested awards at 31 December
    131,425       41.75       251,939       41.75  
 
                                 
            Weighted             Weighted  
            average             average  
            share price             share price  
    2010     2010     2009     2009  
    Number     A$     Number     A$  
 
Shares issued in respect of vested awards (including dividend shares applied on vesting)
    109,512       86.37       9,714       53.13  
 
240  Rio Tinto 2010 Annual report


 


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50  Post retirement benefits
Description of plans
The Group operates a number of pension and post retirement healthcare plans around the world. Some of these plans are defined contribution and some are defined benefit, with assets held in separate trusts, foundations and similar entities. Valuations of these plans are produced and updated annually to 31 December by qualified actuaries.
For plans that are within the perimeter of the Engineered Products business which was divested early in 2011, the asset and obligation amounts as at 31 December 2010 have been transferred to “Assets and liabilities held for sale” and are therefore excluded from the closing balances shown in this note. The expense, cash flow and actuarial gains/losses for these plans during 2010 are reflected in full in this note.
Pension plans
The majority of the Group’s pension obligations are in Canada, the UK, the US, Switzerland and the Eurozone. There are some defined benefit obligations in Australia but the retirement arrangements there are predominantly defined contribution. In general the Group has a policy of moving towards defined contribution provision.
There are a number of pension arrangements in the UK. The defined benefit sections of these arrangements are linked to final pay and are closed to new members, with new employees being admitted to defined contribution sections. During 2010, the UK Government announced changes to the index that must be used for increasing certain pensions. This change automatically affects some benefits, and has resulted in actuarial gains of approximately US$35 million which are reflected in the figures disclosed below. No amendments were made to plan rules in relation to this change.
In Australia, the main arrangements are principally defined contribution in nature but there are sections providing defined benefits linked to final pay, typically paid in lump sum form.
A number of defined benefit pension plans are sponsored by the US and Canadian entities. The main plans are two Canadian plans for salaried and bargaining employees. Benefits for salaried staff are generally linked to final average pay, while benefits for bargaining employees are reviewed in negotiation with unions.
In Europe, there are defined benefit plans in Switzerland, the Netherlands, Germany and France. The largest single plan is in Switzerland and provides benefits linked to final average pay.
The Group also operates a number of unfunded defined benefit plans, which are included in the figures below.
Post retirement healthcare plans
Certain subsidiaries of the Group, mainly in the US and Canada, provide health and life insurance benefits to retired employees and in some cases to their beneficiaries and covered dependants. Eligibility for cover is dependent upon certain age and service criteria. These arrangements are generally unfunded, and are included in the figures below.
Plan assets
The proportions of the total fair value of assets in the pension plans for each asset class at the statement of financial position date were:
                 
    2010   2009
 
Equities
    53.6 %     54.9 %
Bonds
    34.8 %     33.6 %
Property
    7.1 %     5.5 %
Other
    4.5 %     6.0 %
 
 
    100.0 %     100.0 %
 
The assets of the plans are generally managed on a day-to-day basis by external specialist fund managers. These managers may invest in the Group’s securities subject to limits imposed by the relevant fiduciary committees and local legislation. The approximate total holding of Group securities within the plans is US$24 million (2009: US$19 million).
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Notes to the 2010 financial statements continued
 
50 Post retirement benefits continued
Main assumptions (rates per annum)
The main assumptions for the valuations of the plans under IAS 19 are set out below. Information on the sensitivity of the results to the main assumptions is set out in the sensitivity section on page 245.
                                                         
                                                    Other  
    UK     Australia  (a)   US     Canada     Eurozone     Switzerland     (mainly Africa)  (b)
 
At 31 December 2010
                                                       
Rate of increase in salaries
    4.9%       4.3%       3.8%       3.5%     2.5%       2.6%       4.3%  
Rate of increase in pensions
    3.2%       2.6%             0.9%       1.9%             2.3%  
Discount rate
    5.4%       4.7%       5.3%       5.5%       4.9%       2.6%       5.0%  
Inflation (c)
    3.4%       2.6%       2.3%       2.3%       2.1%       1.6%       2.3%  
 
At 31 December 2009
                                                       
Rate of increase in salaries
    5.0%       4.1%       4.0%       3.5%       2.4%       2.7%       7.7%  
Rate of increase in pensions
    3.4%       2.4%             0.8%       1.5%             5.7%  
Discount rate
    5.5%       4.8%       5.9%       6.5%       5.2%       2.9%       8.9%  
Inflation
    3.5%       2.4%       2.5%       2.3%       2.1%       1.5%       5.7%  
 
 
(a)   The discount rate shown for Australia is after tax.
 
(b)   The assumptions vary by location for the ‘Other’ plans. Assumptions shown are for Southern Africa.
 
(c)   The inflation assumption shown for the UK is for the Retail Price Index. The assumption for the Consumer Price Index at 31 December 2010 was 2.7 per cent.
The main financial assumptions used for the healthcare plans, which are predominantly in the US and Canada, were: discount rate: 5.3 per cent (2009: 6.0 per cent), medical trend rate: 7.4 per cent reducing to 4.9 per cent by the year 2017 broadly on a straight line basis (2009: 7.5 per cent, reducing to 5.1 per cent by the year 2015), claims costs based on individual company experience.
For both the pension and healthcare arrangements, the post retirement mortality assumptions allow for future improvements in longevity. The mortality tables used imply that a man aged 60 at the statement of financial position date has a weighted average expected future lifetime of 24 years (2009: 24 years) and that a man aged 60 in 2030 would have a weighted average expected future lifetime of 26 years (2009: 26 years).
                                                         
                                                    Other  
    UK     Australia     US     Canada     Eurozone     Switzerland     (mainly Africa)  (a)
 
Long term rate of return expected at 1 January 2010
                                                       
Equities
    8.0%       8.7%       8.4%       7.7%       7.8%       6.4%       12.7%  
Bonds
    4.5%       4.8%       5.0%       4.8%       4.8%       2.8%       8.7%  
Property
    6.1%       6.6%       6.4%       5.8%       6.1%       4.4%       10.7%  
Other
    4.2%       2.5%       3.2%       3.1%       2.9%       2.4%       6.5%  
 
                                                       
Long term rate of return expected at 1 January 2009
                                                       
Equities
    7.4%       7.0%       7.6%       7.2%       7.4%       6.5%       11.1%  
Bonds
    4.5%       3.9%       4.0%       5.2%       3.8%       3.1%       7.1%  
Property
    5.5%       5.0%       5.1%       5.2%       5.4%       4.5%       9.1%  
Other
    3.6%       2.4%       2.3%       2.2%       2.5%       2.4%       5.0%  
 
 
(a)   The assumptions vary by location for the “Other” plans. Assumptions shown are for Southern Africa.


242  Rio Tinto 2010 Annual report
 


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The expected rate of return on pension plan assets is determined as management’s best estimate of the long term returns of the major asset classes – equities, bonds, property and other – weighted by the allocation of assets among the categories at the measurement date. The expected rate of return is calculated using geometric averaging. The expected rates of return shown have been reduced to allow for plan expenses including, where appropriate, taxes incurred within pension plans on investment returns. Based on the assumptions made and the distribution of assets the weighted average expected return on assets as at 1 January 2010 was 6.4 per cent (2009: 5.9 per cent) and is expected to be 5.9 per cent as at 1 January 2011.
The sources used to determine management’s best estimate of long term returns are numerous and include country-specific bond yields, which may be derived from the market using local bond indices or by analysis of the local bond market, and country-specific inflation and investment market expectations derived from market data and analysts’ or governments’ expectations as applicable.
Total expense recognised in the income statement
                                         
                    2010     2009     2008  
    Pension     Other     Total     Total     Total  
    benefits     benefits     US$m     US$m     US$m  
 
Current employer service cost for defined benefit plans
    (218 )     (15 )     (233 )     (193 )     (285 )
Interest cost
    (897 )     (77 )     (974 )     (826 )     (882 )
Expected return on assets
    776       1       777       581       857  
Past service cost
    (15 )     (14 )     (29 )     (11 )     (3 )
Gains on curtailment and settlement
    69       42       111       124       5  
 
Total defined benefit expense
    (285 )     (63 )     (348 )     (325 )     (308 )
 
Current employer service cost for defined contribution and industry-wide plans
    (224 )     (1 )     (225 )     (199 )     (194 )
 
Total expense recognised in the income statement
    (509 )     (64 )     (573 )     (524 )     (502 )
 
The above expense amounts are included as an employee cost within net operating costs. In 2010, US$88 million (pre-tax) of curtailment and settlement gains relating to the sale of businesses have been excluded from Underlying earnings (2009: US$61 million, 2008: nil).
Total amount recognised in other comprehensive income before tax
                         
    2010     2009     2008  
    US$m     US$m     US$m  
 
Actuarial losses
    (719 )     (919 )     (1,666 )
(Loss)/gain on currency translation on plans using US dollar functional currency
    (67 )     (70 )     321  
Gain on application of asset limit
          19       26  
 
Total loss recognised in other comprehensive income (a)
    (786 )     (970 )     (1,319 )
 
Cumulative amount recognised in Other comprehensive income at 31 December
    (2,586 )     (1,800 )     (830 )
 
 
(a)   Actuarial loss includes US$4 million loss related to equity accounted units (2009: US$126 million loss; 2008: US$5 million loss).
(Deficits)/surpluses in the plans
The following amounts were measured in accordance with IAS 19 at 31 December:
                                                         
                    2010     2009     2008     2007     2006  
    Pension     Other     Total     Total     Total     Total     Total  
    benefits     benefits     US$m     US$m     US$m     US$m     US$m  
 
Total fair value of plan assets
    13,144             13,144       12,407       9,306       14,350       4,656  
Present value of obligations – funded
    (15,499 )     (8 )     (15,507 )     (15,148 )     (11,044 )     (14,822 )     (4,472 )
Present value of obligations – unfunded
    (892 )     (1,110 )     (2,002 )     (2,385 )     (1,784 )     (2,089 )     (597 )
 
Present value of obligations – total
    (16,391 )     (1,118 )     (17,509 )     (17,533 )     (12,828 )     (16,911 )     (5,069 )
 
Unrecognised past service cost
    9       (6 )     3       (7 )     (12 )     (2 )     3  
 
Effect of asset limit
                            (19 )     (45 )      
 
Aggregate deficit to be shown in the statement of financial position
    (3,238 )     (1,124 )     (4,362 )     (5,133 )     (3,553 )     (2,608 )     (410 )
 
Comprising:
                                                       
– Deficits
    (3,348 )     (1,124 )     (4,472 )     (5,150 )     (3,713 )     (3,313 )     (770 )
– Surpluses
    110             110       17       160       705       360  
 
Net (deficits)/surpluses on pension plans
    (3,238 )           (3,238 )     (3,803 )     (2,648 )     (1,519 )     48  
Unfunded post retirement healthcare obligation
          (1,124 )     (1,124 )     (1,330 )     (905 )     (1,089 )     (458 )
 
The surplus amounts shown above are included in the statement of financial position as Trade and other receivables. See note 17.
Deficits are shown in the statement of financial position as Post retirement benefits. See note 27.
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Notes to the 2010 financial statements continued
 
50 Post retirement benefits continued
Contributions to plans
Contributions to defined benefit pension plans during 2010 totalled US$1,036 million (2009: US$560 million; 2008: US$421 million). The increase compared to 2009 results from a combination of special contributions as a result of the sale of the Packaging business and the acceleration of some contributions from 2011 into 2010. Contributions of US$212 million (2009: US$190 million; 2008: US$184 million) were made to defined contribution arrangements and US$12 million (2009: US$9 million; 2008: US$10 million) to industry-wide plans; these are charged against profits and are included in the figures for defined contribution current employer service costs shown in the previous page.
Contributions for other benefits totalled US$79 million (2009: US$46 million; 2008: US$53 million).
Contributions to defined benefit pension plans for 2011 are estimated to be around US$375 million less than for 2010. This is kept under regular review and actual contributions will be determined in line with the Group’s wider financing strategy. Healthcare plans are generally unfunded and contributions for future years will be equal to benefit payments and therefore cannot be predetermined.
Movements in the present value of the defined benefit obligation and in the fair value of assets
The amounts shown below include, where appropriate, 100 per cent of the costs, contributions, gains and losses in respect of employees who participate in the plans and who are employed in operations that are proportionally consolidated or equity accounted. Consequently, the costs, contributions, gains and losses may not correspond directly to the amounts disclosed above in respect of the Group. Defined contribution plans and industry-wide plans are excluded from the movements below.
                                 
                    2010     2009  
    Pension     Other     Total     Total  
    benefits     benefits     US$m     US$m  
 
Change in present value of obligation:
                               
Present value of obligation at start of the year
    (16,209 )     (1,324 )     (17,533 )     (12,828 )
Current employer service cost
    (218 )     (15 )     (233 )     (204 )
Interest cost
    (897 )     (77 )     (974 )     (826 )
Contributions by plan participants
    (50 )     (3 )     (53 )     (121 )
Experience gain/(loss)
    124       22       146       (139 )
Changes in actuarial assumptions loss
    (1,088 )     (119 )     (1,207 )     (1,671 )
Benefits paid
    962       83       1,045       951  
Transfers to/(from) Assets held for sale (a)
    808       311       1,119       (1,656 )
Inclusion of arrangements
    (15 )           (15 )     (3 )
No longer consolidated
                      21  
Past service cost
    (24 )     (15 )     (39 )     (11 )
Curtailments
    62       42       104       80  
Settlements
    428             428       181  
Currency exchange rate loss
    (274 )     (23 )     (297 )     (1,307 )
 
Present value of obligation at end of the year
    (16,391 )     (1,118 )     (17,509 )     (17,533 )
 
                                         
Gains and losses on obligations   2010     2009     2008     2007     2006  
 
Experience gains/(losses): (ie variances between the estimate of obligations and the subsequent outcome)
    146       (139 )     (37 )     (41 )     (7 )
As a percentage of the present value of the year end obligations
    1%       (1% )     0%       0%       0%  
 
Change in assumptions (loss)/gain (US$m)
    (1,207 )     (1,671 )     1,684       315       124  
 
 
(a)   In 2010, plans within the perimeter of the Engineered Products divestment have been transferred to “Assets and liabilities held for sale”. In 2009, any plans sponsored by the Rio Tinto Alcan Packaging business that were not expected to be sold were transferred out of ‘Assets held for sale’ and reflected in this note.


244  Rio Tinto 2010 Annual report

 


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                    2010     2009  
    Pension     Other     Total     Total  
    benefits     benefits     US$m     US$m  
 
Change in plan assets:
                               
Fair value of plan assets at the start of the year
    12,406       1       12,407       9,306  
Expected return on plan assets
    776       1       777       581  
Actuarial gain on plan assets
    346             346       891  
Contributions by plan participants
    50       3       53       121  
Contributions by employer
    1,038       78       1,116       627  
Benefits paid
    (962 )     (83 )     (1,045 )     (951 )
Transfers (to)/from Assets held for sale (a)
    (401 )           (401 )     882  
Inclusion of arrangements
    15             15        
Refunds of contributions
                      (27 )
Settlements
    (421 )           (421 )     (137 )
Currency exchange rate gain
    297             297       1,114  
 
Fair value of plan assets at the end of the year
    13,144             13,144       12,407  
 
 
                               
Actual return on plan assets
                    1,123       1,472  
 
                                         
    2010     2009     2008     2007     2006  
 
Difference between the expected and actual return on plan assets:
                                       
Gain/(loss) (US$m)
    346       891       (3,308 )     (129 )     256  
As a percentage of year end plan assets
    3%       7%       (36% )     (1% )     5%  
 
 
(a)   In 2010, plans within the perimeter of the Engineered Products divestment have been transferred to “Assets and liabilities held for sale”. In 2009, any plans sponsored by the Rio Tinto Alcan Packaging business that were not expected to be sold were transferred out of ‘Assets held for sale’ and reflected in this note.
Sensitivity
The values reported for the defined benefit pension obligations are sensitive to the actuarial assumptions used for projecting future benefit payments and discounting those payments. The approximate sensitivities to the principal assumptions used to measure the obligations are:
                     
      Approximate (increase)/decrease
      in obligations
        Pensions     Other  
Assumption   Change in assumption   US$m     US$m  
 
Discount rate
  increase of 0.5 percentage points     1,012       64  
 
  decrease of 0.5 percentage points     (1,081 )     (68 )
 
Inflation
  increase of 0.5 percentage points     (609 )     (37 )
 
  decrease of 0.5 percentage points     578       32  
 
Salary increases
  increase of 0.5 percentage points     (131 )     (3 )
 
  decrease of 0.5 percentage points     127       3  
 
Demographic – allowance for future improvements
  participants assumed to have the mortality rates                
in longevity
 
of individuals who are one year older
    390       19  
 
  participants assumed to have the mortality rates                
 
 
of individuals who are one year younger
    (390 )     (19 )
 
Post retirement healthcare sensitivity to changes in assumptions
An increase of one per cent in the assumed medical cost trend rates would increase the aggregate of the current service cost and interest cost components of the post retirement healthcare expense by US$7 million (2009: US$6 million; 2008: US$8 million), and increase the benefit obligation for these plans by US$72 million (2009: US$98 million; 2008: US$85 million). A decrease of one per cent in the assumed medical cost trend rates would decrease the aggregate of the current service cost and interest cost components of the post retirement healthcare expense by US$6 million (2009: US$5 million; 2008: US$7 million), and decrease the benefit obligation for these plans by US$62 million (2009: US$83 million; 2008: US$75 million).
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Rio Tinto financial information by business unit
Years ended 31 December
 
                                                                                 
    Rio Tinto     Gross sales revenue (a)     EBITDA (b)     Net earnings(c)  
             
    interest                                                        
US$ millions   %     2010     2009     2008     2010     2009     2008     2010     2009     2008  
 
Iron Ore
                                                                               
Hamersley (d)
    100.0       16,757       8,874       11,006       11,819       5,190       7,038       7,911       3,283       4,642  
Robe River (e)
    53.0       4,322       2,186       2,728       3,328       1,422       1,983       1,771       718       1,062  
Iron Ore Company of Canada
    58.7       2,447       1,006       2,065       1,379       344       1,251       491       112       443  
Rio Tinto Brasil
    (f)             30       176             (15 )     73             (19 )     44  
Dampier Salt
    68.4       442       453       377       79       203       95       29       88       40  
 
Product group operations
            23,968       12,549       16,352       16,605       7,144       10,440       10,202       4,182       6,231  
Evaluation projects/other
            56       49       175             (32 )     (228 )     (13 )     (56 )     (214 )
 
 
            24,024       12,598       16,527       16,605       7,112       10,212       10,189       4,126       6,017  
 
 
                                                                               
Aluminium
                                                                               
Bauxite & Alumina
            4,959       3,854       6,660       269       (89 )     805       1       (332 )     220  
Primary Metal
            11,828       9,188       14,627       1,976       591       3,010       665       (291 )     1,041  
Other product group items
            517       556       512       120       77       185       42       52       75  
Upstream intersegment
            (2,290 )     (1,606 )     (3,546 )     (8 )     3       23       (6 )     2       16  
 
Product group operations
            15,014       11,992       18,253       2,357       582       4,023       702       (569 )     1,352  
Evaluation projects/other
            192       46       44       61       12       (87 )     71       9       (71 )
 
 
            15,206       12,038       18,297       2,418       594       3,936       773       (560 )     1,281  
 
 
                                                                               
Copper
                                                                               
Kennecott Utah Copper
    100.0       3,327       2,368       2,609       2,178       1,449       1,587       1,342       818       998  
Escondida
    30.0       2,699       2,039       2,402       1,806       1,327       1,464       1,013       760       854  
Grasberg joint venture
    (g)       611       991       53       403       706       38       206       385       4  
Palabora
    57.7       837       635       560       205       123       167       52       17       49  
Northparkes
    80.0       308       173       124       193       98       (1 )     112       53       (12 )
 
Product group operations
            7,782       6,206       5,748       4,785       3,703       3,255       2,725       2,033       1,893  
Evaluation projects/other
                              (282 )     (229 )     (395 )     (191 )     (155 )     (278 )
 
 
            7,782       6,206       5,748       4,503       3,474       2,860       2,534       1,878       1,615  
 
 
                                                                               
Energy
                                                                               
Rio Tinto Coal Australia
    (h)       4,603       3,870       5,142       1,731       1,799       2,900       940       1,017       1,719  
Rössing
    68.6       493       376       383       23       83       260       (3 )     24       101  
Energy Resources of Australia
    68.4       533       620       418       118       358       352       22       138       141  
 
Product group operations
            5,629       4,866       5,943       1,872       2,240       3,512       959       1,179       1,961  
Evaluation projects/other
            23       3       41       427       (15 )     461       228       (12 )     471  
 
 
            5,652       4,869       5,984       2,299       2,225       3,973       1,187       1,167       2,432  
 
 
                                                                               
Diamonds & Minerals
                                                                               
Diamonds
    (i)       682       450       840       158       (7 )     395       70       (68 )     137  
Rio Tinto Iron and Titanium
    (j)       1,331       1,284       1,919       255       209       755       74       (9 )     295  
Rio Tinto Minerals
    (k)       1,015       882       1,061       209       187       183       199       78       86  
 
Product group operations
            3,028       2,616       3,820       622       389       1,333       343       1       518  
Evaluation projects/other
            7       2             (16 )     820       (41 )     (15 )     799       (44 )
 
 
            3,035       2,618       3,820       606       1,209       1,292       328       800       474  
 
Refer to notes a) to l) on page 253.
250  Rio Tinto 2010 Annual report



Table of Contents

 
 

                                                                                 
    Rio Tinto     Gross sales revenue (a)     EBITDA (b)     Net earnings (c)  
             
    interest                                                        
    %     2010     2009     2008     2010     2009     2008     2010     2009     2008  
 
Other Operations
    (l)     5,734       6,563       9,405       211       467       524       71       71       13  
 
 
                                                                               
Inter-segment transactions
            (1,110 )     (856 )     (1,716 )     (22 )     (28 )     58       (15 )     (28 )     25  
Other items
                                    (594 )     (719 )     (378 )     (554 )     (577 )     (391 )
Central exploration and evaluation
                                    (48 )     (22 )     (160 )     (52 )     5       (133 )
Net interest
                                                            (474 )     (584 )     (1,030 )
 
Underlying earnings
            60,323       44,036       58,065       25,978       14,312       22,317       13,987       6,298       10,303  
Items excluded from Underlying earnings
                                    661       159       1,553       337       (1,426 )     (6,627 )
Less share of equity accounted units sales revenue
            (3,747 )     (2,211 )     (3,801 )                                                
 
Total
            56,576       41,825       54,264       26,639       14,471       23,870       14,324       4,872       3,676  
 
 
                                                                               
Depreciation and amortisation in subsidiaries
                                    (3,437 )     (3,427 )     (3,475 )                        
Impairment charges
                                    (982 )     (1,573 )     (8,030 )                        
Depreciation and amortisation in equity accounted units
                                    (522 )     (440 )     (414 )                        
Taxation and finance items in equity accounted units
                                    (903 )     (739 )     (718 )                        
 
Profit before finance items and taxation
                                    20,795       8,292       11,233                          
 
Refer to notes a) to l) on page 253.
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Rio Tinto financial information by business unit continued
 
                                                                                                 
    Rio Tinto     Capital expenditure (m)     Depreciation & amortisation     Operating assets (n)     Employees  
             
    interest     2010     2009     2008     2010     2009     2008     2010     2009     2010     2009     2008  
    %     US$m     US$m     US$m     US$m     US$m     US$m     US$m     US$m     Number     Number     Number  
 
Iron Ore
                                                                                               
Hamersley (d)
    100.0       1,227       1,337       1,860       630       506       466       8,010       7,530       7,525       6,556       6,321  
Robe River (e)
    53.0       222       599       683       222       140       111       2,612       2,751       1,489       1,114       1,011  
Iron Ore Company of Canada
    58.7       253       180       256       108       86       83       847       808       2,179       2,027       2,094  
Rio Tinto Brasil
    (f)           11       146             3       14             5             666       841  
Dampier Salt
    68.4       14       21       27       23       18       21       196       179       439       405       394  
Other
                        24       10       10       10       (37 )     (10 )     767       607       448  
 
 
            1,716       2,148       2,996       993       763       705       11,628       11,263       12,399       11,375       11,109  
 
Aluminium
                                                                                               
Bauxite & Alumina
            484       840       1,183       411       379       381       11,318       10,401       4,975       5,533       5,630  
Primary Metal
            848       866       1,218       1,108       1,133       1,104       25,380       25,483       15,011       15,389       16,405  
Other product group items
            (4 )     (16 )     16       44       39       58       1,628       456       1,998       1,997       2,599  
 
 
            1,328       1,690       2,417       1,563       1,551       1,543       38,326       36,340       21,984       22,919       24,634  
 
Copper
                                                                                               
Kennecott Utah Copper
    100.0       227       176       316       293       296       246       1,476       1,533       1,977       1,878       1,915  
Escondida
    30.0       206       213       120       119       104       98       1,468       1,625       1,033       997       960  
Grasberg joint venture
    (g)     102       79       32       49       47       25       540       378       2,258       2,162       2,185  
Palabora
    57.7       33       16       40       69       67       57             (11 )     2,158       2,030       2,116  
Northparkes
    80.0       53       17       105       32       25       15       403       301       226       186       210  
Other
    (o)     337       52       191       3       2       1       2,776       1,361       879       359       169  
 
 
            958       553       804       565       541       442       6,663       5,187       8,531       7,612       7,555  
 
Energy
                                                                                               
Rio Tinto Coal Australia
    (h)     609       456       449       266       205       194       3,145       2,222       3,186       3,289       3,206  
Rössing
    68.6       35       24       73       31       27       20       201       324       1,592       1,415       1,307  
Energy Resources of Australia
    68.4       41       30       144       70       64       51       348       263       523       521       448  
 
 
            685       510       666       367       296       265       3,694       2,809       5,301       5,225       4,961  
 
Diamonds & Minerals
                                                                                               
Diamonds
    (i)     186       250       652       70       104       175       1,185       1,293       1,064       1,040       1,401  
Rio Tinto Iron & Titanium
    (j)     91       247       563       145       129       118       2,708       2,626       3,528       4,121       4,105  
Rio Tinto Minerals
    (k)     23       22       63       53       57       68       682       693       2,340       2,214       2,580  
Other
                        5                         5             30             103  
 
 
            300       519       1,283       268       290       361       4,580       4,612       6,962       7,375       8,189  
 
Other Operations
    (l)     237       404       662       89       315       482       264       1,925       11,898       16,369       17,315  
Net (liabilities)/assets held for sale
    (p)                                         (101 )     3,462       6,180       27,732       28,386  
Other items
            75       54       151       114       111       91       (2,437 )     (2,906 )     3,639       3,387       3,636  
Less: equity accounted units
            (746 )     (522 )     (491 )     (522 )     (440 )     (414 )                                        
 
Total
            4,553       5,356       8,488       3,437       3,427       3,475       62,617       62,692       76,894       101,994       105,785  
 
Less: Net debt
                                                            (4,284 )     (18,861 )                        
 
Total Rio Tinto shareholders’ equity
                                                            58,333       43,831                          
 
Refer to notes d) to p) on page 253.
252  Rio Tinto 2010 Annual report



Table of Contents

 
 

Business units have been classified according to the Groups management structure. Generally, business units are allocated to product groups based on their primary product. The Energy group includes both coal and uranium businesses. The Diamonds & Minerals product group includes businesses with products such as borates, talc and titanium dioxide feedstock together with diamonds operations. The Copper group includes certain gold operations in addition to copper. The Aluminium group excludes Alcan Engineered Products which is included in “Other Operations” and Alcan Packaging which is included in “Net assets held for sale”.
Aluminium is now presented based on commercial activities splitting it between Bauxite & Alumina, Primary Metal and Other product group items. 2009 comparative information has been restated accordingly.
(a)   Gross sales revenue includes 100 per cent of subsidiaries’ sales revenue and the Group’s share of the sales revenue of equity accounted units (after adjusting for sales to subsidiaries).
(b)   EBITDA of subsidiaries and the Group’s share of EBITDA relating to equity accounted units represent profit before: tax, net finance items, depreciation and amortisation. Underlying EBITDA excludes the same items that are excluded from Underlying earnings.
(c)   Net earnings represent profit after tax for the year attributable to the owners of the Rio Tinto Group. Earnings of subsidiaries and equity accounted units are stated before finance items but after the amortisation of discount related to provisions. Earnings attributed to business units do not include amounts that are excluded in arriving at Underlying earnings.
(d)   Includes Rio Tinto’s interests in Hamersley (100 per cent) and HIsmelt® (60 per cent).
(e)   The Group holds 65 per cent of Robe River Iron Associates, of which 30 per cent is held through a 60 per cent owned subsidiary. The Group’s net interest is, therefore, 53 per cent, net of amounts attributable to outside equity shareholders.
(f)   Rio Tinto completed the sale of its 100 per cent interest in the Corumbá mine, effective 18 September 2009.
(g)   Under the terms of a joint venture agreement, Rio Tinto is entitled to 40 per cent of additional material mined as a consequence of expansions and developments of the Grasberg facilities since 1998.
(h)   Includes Rio Tinto’s 75.7 per cent interest in Coal and Allied, which is managed by Rio Tinto Coal Australia, a 100 per cent subsidiary of Rio Tinto. Coal and Allied owns a 40 per cent interest in Bengalla and an 80 per cent interest in Mount Thorley, giving the Group a beneficial interest in those companies of 30.3 per cent and 60.6 per cent, respectively.
(i)   Diamonds includes Rio Tinto’s interests in Argyle (100 per cent), Diavik (60 per cent) and Murowa (77.8 per cent).
(j)   Includes Rio Tinto’s interests in Rio Tinto Fer et Titane (RTFT) (100 per cent), QMM (80 per cent) and RBM (attributable interest of 37 per cent).
(k)   Includes Rio Tinto’s interests in Rio Tinto Borax (100 per cent) and Luzenac Talc (100 per cent).
(l)   Includes Rio Tinto’s interests in its US coal operations formerly reported under Rio Tinto Energy America.
(m)   Capital expenditure comprises the net cash outflow on purchases less disposals of property, plant and equipment, capitalised evaluation costs and purchases less disposals of other intangible assets.
    The details provided include 100 per cent of subsidiaries’ capital expenditure and Rio Tinto’s share of the capital expenditure of equity accounted units. Amounts relating to equity accounted units not specifically funded by Rio Tinto are deducted before arriving at total capital expenditure for the Group.
(n)   Operating assets of subsidiaries comprise net assets excluding post retirement assets and liabilities, net of tax, and are before deducting net debt. Operating assets are less non-controlling interests,
    which are calculated by reference to the net assets of the relevant companies (ie net of such companies’ debt).
(o)   Includes Rio Tinto’s interests in Oyu Tolgoi LLC which are held indirectly through its investment in Ivanhoe and were recognised at a provisional fair value on 15 December 2010. The Group’s remaining interest in the assets of Ivanhoe Mines that does not relate to Oyu Tolgoi LLC continues to be recognised at historic cost.
(p)   Net (liabilities)/assets held for sale at 31 December 2010 relate to Alcan Engineered Products (AEP) excluding the Cable Division; at 31 December 2009 these comprised Alcan Packaging and other assets held for sale. In 2009 and 2008, AEP was included within Other Operations.
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Australian Corporations Act – summary of ASIC relief
 
Pursuant to section 340 of the Corporations Act 2001 (“Corporations Act”), the Australian Securities and Investments Commission issued an order dated 22 December 2010 that granted relief to Rio Tinto Limited from certain requirements of the Corporations Act in relation to the Company’s financial statements and associated reports. The order essentially continues the relief that has applied to Rio Tinto Limited since the formation of the Group’s Dual Listed Companies (DLC) structure in 1995. The order applied to Rio Tinto Limited’s financial reporting obligations for financial years and half-years ending between 31 December 2010 and 30 June 2014 (inclusive).
In essence, instead of being required under the Corporations Act to prepare consolidated financial statements covering only itself and its controlled entities, the order allows Rio Tinto Limited to prepare consolidated financial statements in which it, Rio Tinto plc and their respective controlled entities are treated as a single economic entity. In addition, those consolidated financial statements are to be prepared:
  in accordance with the principles and requirements of International Financial Reporting Standards as adopted by the European Union (EU IFRS) rather than the Australian Accounting Standards (AAS) (except for one limited instance in the case of any concise report), and in accordance with United Kingdom financial reporting obligations generally;
 
  on the basis that the transitional provisions of International Financial Reporting Standard 1 First-time Adoption of International Financial Reporting Standardsshould be applied using the combined financial statements previously prepared for Rio Tinto Limited, Rio Tinto plc and their respective controlled entities under Generally Accepted Accounting Principles in the United Kingdom, under which the DLC merger between Rio Tinto Limited and Rio Tinto plc was accounted for using ‘merger’, rather than ‘acquisition’, accounting (reflecting that neither Rio Tinto Limited nor Rio Tinto plc was acquired by, or is controlled by, the other, and meaning that the existing carrying amounts, rather than fair values, of assets and liabilities at the time of the DLC merger were used to measure those assets and liabilities at formation);
 
  on the basis that Rio Tinto Limited and Rio Tinto plc are a single company (with their respective shareholders being the shareholders in that single company); and
 
  with a reconciliation, from EU IFRS to AAS, of the following amounts: consolidated profit for the financial year, total consolidated income for the financial year and total consolidated equity at the end of the financial year (see page 162).
Those consolidated financial statements must also be audited in relation to their compliance with relevant United Kingdom and Australian requirements. Rio Tinto Limited must also prepare a Directors’ report which satisfies the content requirements of the Corporations Act (applied on the basis that the consolidated entity for those purposes is the Group), except that the order allows Rio Tinto Limited to prepare a separate Remuneration report that is merely cross-referenced in the Directors’ report, instead of including in the Directors’ report the Remuneration report otherwise required by the Corporations Act. The separate Remuneration report (see pages 128 to 155) must include all the information required to be included in a Remuneration report under the Corporations Act.
Rio Tinto Limited is also required to comply generally with the lodgement and distribution requirements of the Corporations Act (including timing requirements) in relation to those consolidated financial statements (including any concise financial statements), the Auditors report and the Directors’ report. The separate Remuneration report is also required to be lodged with the Australian Securities and Investments Commission at the same time as the consolidated financial statements, and Rio Tinto Limited must not distribute or make available the Remuneration report without the consolidated financial statements and Directors’ report. At the Companys AGM, it is required to allow shareholders to vote on a non binding resolution to adopt the Remuneration report, on the same basis as would otherwise be required for a Remuneration report under the Corporations Act.
Rio Tinto Limited is not required to prepare separate consolidated financial statements solely for it and its controlled entities. Rio Tinto Limited is also no longer required to prepare and lodge parent entity financial statements for itself in respect of each relevant financial year consistent with recent changes made to the Corporations Act.
However, consistent with those changes, Rio Tinto Limited must in accordance with the Corporations Act include in the consolidated financial statements for the Group, as a note, various parent entity information regarding Rio Tinto Limited (including in relation to assets, liabilities, shareholder’s equity, profit and loss, income, guarantees, contingent liabilities, and contractual commitments) prepared in accordance with AAS (see page 246).
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Report of Independent Registered Public Accounting Firms

 

      
To the Boards of Directors and Shareholders of Rio Tinto plc and Rio Tinto Limited:
In our opinion, the accompanying consolidated income statements and the related consolidated statements of financial position, consolidated statements of cash flows and consolidated statements of recognised income and expense present fairly, in all material respects, the financial position of the Rio Tinto Group at December 31, 2010 and 2009 and the results of their operations and cash flows for each of the three years in the period ended December 31, 2010, in conformity with International Financial Reporting Standards (IFRSs) as issued by the International Accounting Standards Board. Also, in our opinion the Rio Tinto Group maintained, in all material respects, effective internal control over financial reporting as of December 31, 2010, based on criteria established in Internal Control - Integrated Framework issued by the COSO. The Rio Tinto Group’s management is responsible for these financial statements, for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in “Management’s report on internal control over financial reporting” as set out in Item 15 on page 127. Our responsibility is to express opinions on these financial statements and on Rio Tinto Group’s internal control over financial reporting based on our integrated audits. We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the financial statements are free of material misstatement and whether effective internal control over financial reporting was maintained in all material respects. Our audits of the financial statements included examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, and evaluating the overall financial statement presentation. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audits also included performing such other procedures as we considered necessary in the circumstances. We believe that our audits provide a reasonable basis for our opinions.
A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorised acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.
Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.
     
 
   
PricewaterhouseCoopers LLP
  PricewaterhouseCoopers
London, United Kingdom
  Brisbane, Australia
4 March 2011
  4 March 2011
 
   
In respect of the Board of Directors and
  In respect of the Board of Directors and
Shareholders of Rio Tinto plc
  Shareholders of Rio Tinto Limited


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Shareholder information
 

The Rio Tinto Group combines Rio Tinto plc, which is registered in England and Wales under company number 719885, and is listed on the London Stock Exchange, and Rio Tinto Limited, which is registered in Australia under ABN 96 004 458 404, and is listed on the Australian Securities Exchange. Rio Tinto is headquartered in London and has executive offices in Melbourne.
Rio Tinto plc adopted new Articles of Association by special resolution passed on 20 April 2009 which were amended further by special resolution on 20 April 2009 effective 1 October 2009. Rio Tinto Limited adopted a new Constitution by special resolution passed on 24 May 2000 and amended by special resolution on 18 April 2002, 29 April 2005, 27 April 2007, 24 April 2008 and 20 April 2009 (effective 20 April 2009 and 1 October 2009). Further information on the Group’s constitutional documents is set out in pages 271 to 272.
Operational structure
The Group consists of a number of wholly and partly owned subsidiaries, joint ventures and associated companies. Rio Tinto’s management structure is designed to facilitate a clear focus on business performance and is structured into five product groups and four global business support groups:
  Aluminium
  Copper
  Diamonds & Minerals
  Energy
  Iron Ore
  Business Support & Operations which includes Exploration
  Technology & Innovation
  People & Organisation
  Legal & External Affairs
The chief executive of each product group and the global head of each business support group are members of the Executive committee and report to the chief executive of Rio Tinto.
Nomenclature and financial data
Rio Tinto plc and Rio Tinto Limited operate as one business organisation, referred to in this report as Rio Tinto, the Rio Tinto Group or, more simply, the Group. These collective expressions are used for convenience only, since both Companies, and the individual companies in which they directly or indirectly own investments, are separate and distinct legal entities.
“Limited”, “plc”, “Pty”, “Inc”, “Limitada”, “L.L.C.”, “A.S.” or “SA” have generally been omitted from Group company names, except to distinguish between Rio Tinto plc and Rio Tinto Limited. Financial data in US dollars (US$) is derived from, and should be read in conjunction with, the 2010 financial statements. In general, financial data in pounds sterling (£) and Australian dollars (A$) have been translated from the consolidated financial statements and have been provided solely for convenience; exceptions arise where data can be extracted directly from source records. Certain key information has been provided in all three currencies in the 2010 financial statements.
Rio Tinto Group sales revenue, profit before finance items and tax, net earnings and operating assets for 2009 and 2010 attributable to the product groups and geographical areas are shown in notes 31 and 32 to the 2010 financial statements. In the Performance section, operating assets and sales revenue for 2008 and 2009 are consistent with the financial information by business unit in the 2010 financial statements.
The tables on pages 78 to 93 show production for 2008, 2009 and 2010 and include estimates of proven and probable ore reserves. Words and phrases, often technical, have been used which have particular
meanings; definitions of these terms are in the Definitions section on pages 276 to 277. The weights and measures used are mainly metric units; conversions into other units are shown on page 274.
History
Rio Tinto’s predecessor companies were formed in 1873 and 1905. The Rio Tinto Company was formed by investors in 1873 to mine ancient copper workings at Rio Tinto, near Seville in southern Spain. The Consolidated Zinc Corporation was incorporated in 1905 to treat zinc bearing mine waste at Broken Hill, New South Wales, Australia.
The RTZ Corporation (formerly The Rio Tinto-Zinc Corporation) was formed in 1962 by the merger of The Rio Tinto Company and The Consolidated Zinc Corporation.
CRA Limited (formerly Conzinc Riotinto of Australia Limited) was formed at the same time by a merger of the Australian interests of The Consolidated Zinc Corporation and The Rio Tinto Company.
Between 1962 and 1995, both RTZ and CRA discovered important mineral deposits, developed major mining projects and also grew through acquisition.
RTZ and CRA were unified in 1995 through a dual listed companies structure. This means that each Company has an identical board of directors and the shareholders of both Companies are in substantially the same position in terms of votes, dividends and capital returns as if they held shares in a single enterprise owning all the assets of both Companies.
In 1997, the RTZ Corporation became Rio Tinto plc and CRA Limited became Rio Tinto Limited, together known as the Rio Tinto Group. Over the past decade, the Group has continued to invest in developments and acquisitions in keeping with its strategy.
In 2007, Rio Tinto completed an agreed takeover of the Canadian aluminium producer Alcan Inc. in a US$38 billion transaction that transformed the Group’s aluminium product group into a global leader in aluminium. With copper and iron ore, this gave the Group a major role in the production of the three key metals associated with the growth and urbanisation of China and other developing countries.
Dividends
Both Companies have paid dividends on their shares every year since incorporation in 1962. The rights of Rio Tinto shareholders to receive dividends are explained under the description of the Dual Listed Companies’ Structure on page 269.
Dividend policy
The aim of Rio Tinto’s progressive dividend policy is to increase the US dollar value of ordinary dividends over time. The rate of the total annual dividend, in US dollars, is determined taking into account the results for the past year and the outlook. Under Rio Tinto’s dividend policy, the interim dividend is set at one half of the total ordinary dividend for the previous year and the final ordinary dividend is expected to be at least equal to the previous interim dividend.
Dividend determination
The majority of the Group’s sales are transacted in US dollars, making this the most reliable measure for the Group’s global business performance. It is Rio Tinto’s main reporting currency and consequently the natural currency for dividend determination. Dividends determined in US dollars are translated at exchange rates prevailing two days prior to the announcement and are then declared payable in sterling by Rio Tinto plc and in Australian dollars by Rio Tinto Limited. On request, shareholders of Rio Tinto plc can elect to receive dividends in Australian dollars and shareholders of Rio Tinto Limited can elect to receive dividends in sterling.


      


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These dividend amounts are calculated by converting the declared dividend using currency exchange rates applicable five business days prior to the dividend payment date.
Shareholders who wish to receive their dividends in any other currencies should contact the Companies’ share registrars, who also offer payment services in other currencies, subject to a fee.
2010 dividends
The 2010 interim and final dividends were determined at 45 US cents and at 63 US cents per share respectively and the applicable translation rates for the interim and final dividend were US$1.59525 and US$1.60960 to the pound sterling and US$0.9133 and US$1.01715 to the Australian dollar respectively. For those Rio Tinto plc shareholders who elected to receive their interim dividend in Australian dollars the applicable conversion rate was A$1.69060 and for Rio Tinto Limited shareholders who elected to receive their dividend in Sterling the applicable conversion rate was £0.59151.
Final dividends of 39.14 pence or 61.94 Australian cents per share and 63 US cents per Rio Tinto plc ADR (each representing one share) will be paid on 31 March 2011. For those Rio Tinto plc shareholders requesting the 2010 final dividend be paid in Australian dollars and those Rio Tinto Limited shareholders requesting the 2010 final dividend be paid in pounds sterling, the applicable conversion rates will be set on 24 March 2011.
On 12 April 2010, Rio Tinto announced a ratio change for the Rio Tinto plc American Depository Receipt (ADR) programme. From 22 April 2010, the ADR record date, the ratio changed from one ADR representing four ordinary shares to one ADR representing one ordinary share. To effect this change, ADR holders received three additional ADRs for every one ADR they held at the record date.
The charts below set out the amounts of interim, final and special cash dividends paid or payable on each share or ADR in respect of each financial year, but before deduction of any withholding tax.
These have been restated for the impact of the 2009 rights issues and the ADR ratio change.
                                         
                    2008     2007     2006  
    2010     2009     restated     restated     restated  
 
Rio Tinto Group – US cents per share
     
Interim
    45.00             55.61       42.53       32.73  
Final
    63.00       45.00       55.61       68.70       52.34  
Special
                             
     
Total
    108.00       45.00       111.22       111.23       85.07  
 
Rio Tinto plc – UK pence per share
     
Interim
    28.21             29.64       20.93       17.53  
Final
    39.14       28.84       37.85       35.27       26.69  
Special
                             
     
Total
    67.35       28.84       67.49       56.20       44.22  
 
Rio Tinto Limited – Australian cents per share
     
Interim
    49.27             63.25       49.64       42.94  
Final
    61.94       51.56       82.97       76.08       67.75  
Special
                             
     
Total
    111.21       51.56       146.22       125.72       110.69  
 
Rio Tinto plc – US cents per ADR
     
Interim
    45.00             55.61       42.53       32.73  
Final
    63.00       45.00       55.61       68.7       52.34  
Special
                             
     
Total
    108.00       45.00       111.22       111.23       85.07  
 
Dividend reinvestment plan (DRP)
Rio Tinto offers a DRP to registered shareholders, which provides the opportunity to use cash dividends to purchase Rio Tinto shares in the market free of commission. Due to local legislation the DRP cannot be extended to shareholders in the US, Canada and certain other countries.
Market listings and share prices
The prices of Rio Tinto plc and Rio Tinto Limited shares and Rio Tinto plc ADRs are available during the day on the Rio Tinto and other websites.
Rio Tinto plc
The principal market for Rio Tinto plc shares is the London Stock Exchange (LSE), the shares trade through the Stock Exchange Electronic Trading Service (SETS) system.
Central to the SETS system is the electronic order book on which an LSE member firm can post buy and sell orders, either on its own behalf or for its clients. Buy and sell orders are executed against each other automatically in strict price, then size, priority. The order book operates from 8:00 am to 4:30 pm daily. From 7:50 am to 8:00 am orders may be added to, or deleted from the book, but execution does not occur. At 8:00 am the market opens by means of an uncrossing algorithm which calculates the greatest volume of trades on the book which can be executed, then matches the orders, leaving unexecuted orders on the book at the start of trading.
All orders placed on the order book are firm and are for standard three day settlement. While the order book is vital to all market participants, orders are anonymous, with the counterparties being revealed to each other only after execution of the trade.
Transactions in Rio Tinto plc shares are subject to the post-trade transparency rules and requirements imposed by the Markets in Financial Instruments Directive (MiFID), as implemented by the UK Financial Services Authority. All transactions in equities that are admitted to trading on a regulated market (irrespective of whether such transactions are concluded on a regulated market), a multilateral trading facility (an MTF), or by an investment firm trading outside a regulated market or an MTF must be disclosed as close to real time as possible but no later than three minutes from completion, unless the transaction qualifies for deferred publication.
Rio Tinto plc shares are also listed on Euronext.
Rio Tinto plc has a sponsored ADR facility with JPMorgan Chase Bank NA (JPMorgan) under a Deposit Agreement, dated 13 July 1988, as amended on 11 June 1990, as further amended and restated on 15 February 1999, 18 February 2005 when JPMorgan became Rio Tinto plc’s depository and on 29 April 2010. The ADRs evidence Rio Tinto plc American Depositary Shares (ADS), each representing one ordinary share following a ratio change on 30 April 2010. The shares are registered with the US Securities and Exchange Commission (SEC), are listed on the New York Stock Exchange (NYSE) and are traded under the symbol RIO. Rio Tinto plc changed its NYSE ticker symbol on 12 October 2010 to align with the Companies’ ticker symbols on the London Stock Exchange and the Australian Securities Exchange.




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Fees and charges payable by a holder of ADSs
In accordance with the terms of the Deposit Agreement, JPMorgan may charge holders of Rio Tinto ADSs, either directly or indirectly, fees or charges up to the amounts described below.
             
Category
    Depositary actions     Associated fee
     
Depositing or substituting the underlying shares
    Issuance of ADSs against the deposit of shares, including deposits and issuance in respect of:
  Share distributions, stock split, rights, merger
  Exchange of securities or other transactions
  Other events or distributions affecting the ADSs or the deposited securities
    US$5.00 per 100 ADSs (or portion thereof) evidenced by the new ADSs delivered
 
       
     
Selling or exercising rights
    Distribution or sale of securities, the fee being in an amount equal to the fee for the execution and delivery of ADSs which would have been charged as a result of the deposit of such securities     US$5.00 for each 100 ADSs (or portion thereof)
 
       
     
Withdrawing an underlying share
    Acceptance of ADSs surrendered for withdrawal of deposited securities     US$5.00 for each 100 ADSs (or portion thereof) evidenced by the ADSs surrendered
 
       
     
Transferring, splitting or grouping receipts
    Transfers, combining or grouping of depositary receipts     US$2.50 per ADS
 
       
     
General depositary services, particularly those
charged on an annual basis
    Other services performed by the depositary in administering the ADRs     Provide information about the depositary’s right, if any, to collect fees and charges by offsetting them against dividends received on deposited securities US$0.02 per ADS (or portion thereof) not more than once each calendar year and payable at the sole discretion of the depositary by billing holders or deducting such charge from one or more cash dividends or other cash distributions
 
       
     
Expenses of the depositary
    Expenses incurred on behalf of holders in connection with:
  Compliance with foreign exchange control regulations or any law or regulation relating to foreign investment
  The depositary’s or its custodian’s compliance with applicable law, rule or regulation
  Stock transfer or other taxes and other governmental charges
  Cable, telex, facsimile and electronic transmission/delivery
  Expenses of the depositary in connection with the conversion of foreign currency into US dollars (which are paid out of such foreign currency)
  Any other charge payable by depositary or its agents
    Expenses payable at the sole discretion of the depository by billing holders or by deducting charges from one or more cash dividends or other cash distributions
     

Fees and payments made by the depositary to the issuer
JPMorgan has agreed to reimburse certain company expenses related to the Rio Tinto plc ADR programme and incurred by the Group in connection with the programme. For the year ended 31 December 2010, JPMorgan reimbursed US$2,050,000 in respect of expenses incurred by the Group in connection with the ADR programme. JPMorgan did not pay any amount on the Group’s behalf to third parties. JPMorgan also waived certain of its standard fees and expenses associated with the administration of the programme relating to routine programme maintenance, reporting, distribution of cash dividends, annual meeting services and report mailing services.
In the year ended 31 December 2009, JPMorgan did not reimburse Rio Tinto with any fees or expenses nor did JPMorgan pay any amount on the Group’s behalf to third parties.
Under certain circumstances, including removal of JPMorgan as depositary or termination of the ADR programme by the Company, the Company is required to repay JPMorgan any amounts of administrative fees and expenses waived during the 12 month period prior to notice of removal or termination.
As at 21 February 2011, there were 47,587 holders of record of Rio Tinto plc’s shares. Of these holders, 331 had registered addresses in the US and held a total of 326,262 Rio Tinto plc shares, representing 0.02 per cent of the total number of Rio Tinto plc shares issued and outstanding as at such date. In addition, 95,340,352 Rio Tinto plc shares were registered in the name of a custodian account in London which represented 6.24 per cent of Rio Tinto plc shares issued and outstanding. These shares were represented by 94,996,313 Rio Tinto plc ADRs held of record by 387 ADR holders. In addition, certain accounts of record with registered addresses other than in the US hold shares, in whole or in part, beneficially for US persons.
ADR holders may instruct JPMorgan as to how the shares represented by their ADRs should be voted.
ADR holders can receive the Annual report free of charge on request.


      


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Rio Tinto is subject to the SEC reporting requirements for foreign companies. A Form 20-F, which corresponds with the Form 10-K in US public companies, will be filed with the SEC. Rio Tinto’s Form 20-F and other filings can be viewed on the Rio Tinto website as well as the SEC website at ww w.sec.gov. ADR holders may also read without charge and copy at prescribed rates any document filed at the public reference facilities of the SEC’s principal office at 100 F Street NE, Washington, DC 20549, US. Please call the SEC at 1-800-SEC-0330 for further information on the operation of the public reference facilities.
Rio Tinto Limited
Rio Tinto Limited shares are listed on the Australian Securities Exchange (ASX). The ASX is the principal trading market for Rio Tinto Limited shares. The ASX is a national stock exchange with an automated trading system.
As at 21 February 2011, there were 192,956 holders of record of Rio Tinto Limited shares. Of these holders, 325 had registered addresses in the US, representing approximately 0.039 per cent
of the total number of Rio Tinto Limited shares issued and outstanding as of such date. In addition, nominee accounts of record with registered addresses other than in the US may hold Rio Tinto Limited shares, in whole or in part, beneficially for US persons.
Investment warning
The following table shows share prices for the period indicated, the reported high and low middle market quotations, which represent an average of bid and asked prices, for Rio Tinto plc’s shares on the LSE based on the LSE Daily Official List, the highest and lowest sale prices of the Rio Tinto plc ADRs as reported on the NYSE composite tape and the high and low closing sale prices of Rio Tinto Limited shares based upon information provided by the ASX. There is no established trading market in the US for Rio Tinto Limited’s shares.
Past performance of shares is not necessarily a guide to future performance. The value of shares and investments and the income derived from them can go down as well as up, and investors may not get back the amount they invested.


                                                 
    Pence per Rio Tinto plc share     US$ per Rio Tinto plc ADS (a)     A$ per Rio Tinto Limited share  
    High     Low     High     Low     High     Low  
     
2006
    3,322       2,352       53.52       37.21       87.97       65.38  
2007
    5,784       2,505       102.30       40.74       146.90       69.50  
2008
    7,078       1,049       118.03       12.50       156.10       32.00  
2009
    3,420       1,140       55.93       16.58       74.89       29.38  
2010
                                               
Aug 2010
    3,455       3,105       55.78       47.10       74.00       69.30  
Sep 2010
    3,762       3,447       60..28       52.32       77.26       72.24  
Oct 2010
    4,208       3,697       66.86       58.36       84.1       77.00  
Nov 2010
    4,454       4,043       72.35       62.73       87.4       82.21  
Dec 2010
    4,584       4,207       72.65       65.74       87.94       83.1  
Jan 2011
    4,543       4,237       73       67.65       87.62       84.05  
2009
                                               
First quarter
    2,047       1,140       30.27       16.58       45.11       29.38  
Second quarter
    2,608       1,784       45.73       26.55       60.89       41.65  
Third quarter
    2,740       1,885       45.84       30.00       62.88       46.63  
Fourth quarter
    3,420       2,505       55.93       39.33       74.89       56.85  
2010
                                               
First quarter
    3,910       3,036       60.11       46.39       80.00       66.60  
Second quarter
    4,062       2,812       62.24       39.30       80.86       61.70  
Third quarter
    3,762       2,880       60.28       43.27       77.26       65.03  
Fourth quarter
    4,584       3,697       72.65       58.36       87.94       77  
 
 
(a)   On 12 April 2010, Rio Tinto announced a ratio change for the Rio Tinto plc ADR programme. With effect from 30 April 2010, one ADR represents one ordinary share of 10p in Rio Tinto plc. Prior to this date one ADR represented four ordinary shares. To effect this change ADR holders received three additional ADRs for every one ADR held as of 22 April 2010, the ADR record date. Prior year comparatives have been restated for the impact of the ratio change.
 
(b)   None of these prices have been restated to take account of the rights issues undertaken in 2009.


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Taxation
UK resident individuals shareholdings in Rio Tinto plc
Taxation of dividends
– Final dividend 2009 (payment date – 1 April 2010)
Dividends carry a tax credit equal to one ninth of the dividend. Individuals who are liable to income tax at the basic rate will have no further tax to pay. Higher rate tax payers are liable to tax on UK dividends at 32.5 per cent, which after taking account of the tax credit, produces an effective tax liability of 25 per cent of the dividend received.
– Interim Dividend 2010 (payment date – 9 September 2010)
The position for basic rate tax payers and higher rate tax payers is as described above. However, as of 6 April 2010, additional rate tax payers are liable to tax on UK dividends at 42.5 per cent, which after taking account of the tax credit, produces an effective tax liability of 26.1 per cent of the dividend received.
Dividend reinvestment plan (DRP)
The taxation effect of participation in the DRP will depend on individual circumstances. Shareholders will generally be liable to tax on dividends reinvested in the DRP on the same basis as if they had received the cash and arranged the investment. The dividend should, therefore, be included in the annual tax return.
The shares acquired should be added to shareholdings at the date and at the net cost shown on the share purchase advice. The actual cost of the shares for Rio Tinto plc shareholders including the stamp duty/stamp duty reserve tax, will form the base cost for capital gains tax purposes.
Capital gains tax
Shareholders who have any queries on capital gains tax issues are advised to consult their financial adviser.
Details of relevant events since 31 March 1982 and adjusted values for Rio Tinto plc securities as at that date are available from the company secretary.
Australian resident individuals shareholdings in Rio Tinto Limited
Taxation of dividends
The basis of the Australian dividend imputation system is that when Australian resident shareholders receive dividends from Rio Tinto Limited, they may be entitled to a credit for the Australian tax paid by the Group in respect of that income, depending on the tax status of the shareholder.
The application of the system results in the Australian tax paid by the Group being allocated to shareholders by way of franking credits attaching to the dividends they receive. Such dividends are known as franked dividends. A dividend may be partly or fully franked. The current Rio Tinto Limited dividend is fully franked and the franking credits attached to the dividend are shown in the distribution statement provided to shareholders.
The extent to which a company can frank a dividend depends on the credit balance in its franking account. Credits to this account can arise in a number of ways, including when a company pays company tax or receives a franked dividend from another company. The dividend is required to be included in a resident individual shareholder’s assessable income. In addition, an amount equal to the franking credit attached to the franked dividend is also included in the assessable income of the resident individual, who may then be
entitled to a rebate of tax equal to the franking credit amount included in their income. Should the franking credits exceed the tax due, the excess is refunded to the resident individual.
The effect of the dividend imputation system on non resident shareholders is that, to the extent that the dividend is franked, no Australian tax will be payable and there is an exemption from dividend withholding tax.
A withholding tax is normally levied at the rate of 15 per cent when unfranked dividends are paid to residents of countries with which Australia has a taxation treaty. Most Western countries have a taxation treaty with Australia. A rate of 30 per cent applies to countries where there is no taxation treaty.
Since 1988, all dividends paid by Rio Tinto Limited have been fully franked. It is the Group’s policy to pay fully franked dividends whenever possible. The boards expect Rio Tinto Limited to be able to pay fully franked dividends for the foreseeable future.
Dividend reinvestment plan (DRP)
Shareholders will generally be liable for tax on dividends reinvested in the DRP on the same basis as if they had received the cash and arranged the investment. The dividend should therefore be included in the annual tax return as assessable income.
The shares acquired should be added to the shareholding at the date of acquisition at the actual cost of the shares, which is the amount of the dividend applied by the shareholder to acquire shares and any incidental costs associated with the acquisition will form part of the cost base or reduced cost base of the shares for capital gains tax purposes.
Capital gains tax
The Australian capital gains tax legislation is complex. If shareholders have acquired shares after 19 September 1985 they may be subject to capital gains tax on the disposal of those shares.
Generally, disposal of shares held on capital account would give rise to a capital gain or loss. A capital gain arises when the proceeds on disposal are greater than the cost base of shares. A capital loss arises when the proceeds on sale are less than the cost base or reduced cost base. Where a capital gain arises on shares held for at least 12 months, individual, trust and superannuation fund shareholders may be eligible for a capital gains tax discount.
Shareholders are advised to seek the advice of an independent taxation consultant on any possible capital gains tax exposure.
US residents
The following is a summary of the principal UK tax, Australian tax and US Federal income tax consequences of the ownership of Rio Tinto plc ADSs, Rio Tinto plc shares and Rio Tinto Limited shares, “the Group’s DSs and shares” by a US holder as defined below. It is not intended to be a comprehensive description of all the tax considerations that are relevant to all classes of taxpayer. Future changes in legislation may affect the tax consequences of the ownership of the Group’s ADSs and shares.
It is based in part on representations by the Group’s depositary bank as depositary for the ADRs evidencing the ADSs and assumes that each obligation in the deposit agreements will be performed in accordance with its terms.
You are a US holder if you are a beneficial owner of the Group’s ADSs and shares and you are: a citizen or resident of the US, a domestic corporation, an estate whose income is subject to US federal income tax regardless of its source, or a trust if a US court can exercise primary


      


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supervision over the trust’s administration and one or more US persons are authorised to control all substantial decisions of the trust.
This section applies to US holders only if shares or ADSs are held as capital assets for tax purposes. This section does not apply to shareholders who are members of a special class of holders subject to special rules, including a dealer in securities, a trader in securities who elects to use a mark-to-market method of accounting for securities holdings, a tax exempt organisation, a life insurance company, a person liable for alternative minimum tax, a person that actually or constructively owns ten per cent or more of Rio Tinto’s voting stock, a person that holds shares or ADSs as part of a straddle or a hedging or conversion transaction, or a person whose functional currency is not the US dollar.
This section is based on the Internal Revenue Code of 1986, as amended, its legislative history, existing and proposed regulations, published rulings and court decisions, and on the convention between the US and UK, and the convention between the US and Australia which may affect the tax consequences of the ownership of the Group’s ADSs and shares. These laws and conventions are subject to change, possibly on a retroactive basis.
For the purposes of the Conventions and of the US Internal Revenue Code of 1986, as amended (the Code), US holders of ADSs are treated as the owners of the underlying shares.
The summary describes the treatment applicable under the conventions in force at the date of this report.
UK taxation of shareholdings in Rio Tinto plc
Taxation of dividends
US holders are not liable to UK withholding tax on dividends paid by Rio Tinto plc. Dividends carry a tax credit equal to one ninth of the net dividend, or ten per cent of the net dividend plus the tax credit. The tax credit is not repayable to US holders.
Capital gains
A US holder will not normally be liable to UK tax on capital gains realised on the disposition of Rio Tinto plc ADSs or shares unless the holder carries on a trade, profession or vocation in the UK through a permanent establishment in the UK and the ADSs or shares have been used for the purposes of the trade, profession or vocation or are acquired, held or used for the purposes of such a permanent establishment.
Inheritance tax
Under the UK Estate Tax Treaty, a US holder, who is domiciled in the US and is not a national of the UK, will not be subject to UK inheritance tax upon the holder’s death or on a transfer during the holder’s lifetime unless the ADSs and shares form part of the business property of a permanent establishment in the UK or pertain to a fixed base situated in the UK used in the performance of independent personal services. In the exceptional case where ADSs or shares are subject both to UK inheritance tax and to US Federal gift or estate tax, the UK Estate Tax Treaty generally provides for tax payments to be relieved in accordance with the priority rules set out in the Treaty.
Stamp duty and stamp duty reserve tax
Transfers of Rio Tinto plc ADSs will not be subject to UK stamp duty provided that the transfer instrument is not executed in, and at all times remains outside, the UK.
Purchases of Rio Tinto plc shares are subject either to stamp duty at a rate of 50 pence per £100 or to stamp duty reserve tax (SDRT) at a rate of 0.5 per cent. Conversions of Rio Tinto plc shares into Rio Tinto plc
ADSs will be subject to additional SDRT at a rate of 1.5 per cent on all transfers to the depositary or its nominee.
Australian taxation of shareholdings in Rio Tinto Limited
Taxation of dividends
US holders are not normally liable to Australian withholding tax on dividends paid by Rio Tinto Limited because such dividends are normally fully franked under the Australian dividend imputation system, meaning that they are paid out of income that has borne Australian income tax. Any unfranked dividends would suffer Australian withholding tax which under the Australian income tax convention is limited to 15 per cent of the gross dividend.
Capital gains
US holders are not normally subject to any Australian tax on the disposal of Rio Tinto Limited ADSs or shares unless they have been used in carrying on a trade or business wholly or partly through a permanent establishment in Australia, or the gain is in the nature of income sourced in Australia.
Gift, estate and inheritance tax
Australia does not impose any gift, estate or inheritance taxes in relation to gifts of shares or upon the death of a shareholder.
Stamp duty
An issue or transfer of Rio Tinto Limited shares does not require the payment of Australian stamp duty.
US federal income tax
In general, taking into account the earlier assumptions that each obligation of the Deposit Agreement and any related agreement will be performed according to its terms, for US federal income tax purposes, if you hold ADRs evidencing ADSs, you will be treated as the owner of the shares represented by those ADRs. Exchanges of shares for ADRs, and ADRs for shares, generally will not be subject to US federal income tax.
Taxation of dividends
Under the US federal income tax laws, and subject to the passive foreign investment company, or PFIC, rules discussed below, if you are a US holder, the gross amount of any dividend the Group pays out of its current or accumulated earnings and profits (as determined for US federal income tax purposes) is subject to US federal income taxation. If you are a non corporate US holder, dividends paid to you in taxable years beginning before 1 January 2011 that constitute qualified dividend income will be taxable to you at a maximum tax rate of 15 per cent provided that, in the case of shares or ADSs, you hold the shares or ADSs for more than 60 days during the 121 day period beginning 60 days before the ex-dividend date. Dividends we pay with respect to the shares or ADSs will generally be qualified dividend income.
You must include any Australian tax withheld from the dividend payment in this gross amount even though you do not in fact receive it. The dividend is taxable to you when you, in the case of shares, or the depositary, in the case of ADSs, receive the dividend, actually or constructively. The dividend will not be eligible for the dividends-received deduction generally allowed to US corporations in respect of dividends received from other US corporations. The amount of the dividend distribution that you must include in your income as a US holder will be the US dollar value of the non US dollar payments made, determined at the spot UK pound/US dollar rate (in the case of Rio Tinto plc) or the spot Australian dollar/US dollar (in the case of Rio Tinto Limited) on the date the dividend distribution is includible in your income, regardless of whether the payment is in fact




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converted into US dollars. Generally, any gain or loss resulting from currency exchange fluctuations during the period from the date you include the dividend payment in income to the date you convert the payment into US dollars will be treated as ordinary income or loss and will not be eligible for the special tax rate applicable to qualified dividend income. The gain or loss generally will be income or loss from sources within the US for foreign tax credit limitation purposes. Distributions in excess of current and accumulated earnings and profits, as determined for US federal income tax purposes, will be treated as a non-taxable return of capital to the extent of your basis in the shares or ADSs and thereafter as capital gain.
Subject to certain limitations, any Australian tax withheld in accordance with the Australia-United States Tax Treaty and paid over to Australia will be creditable or deductible against your US federal income tax liability. Special rules apply in determining the foreign tax credit limitation with respect to dividends that are subject to the maximum 15 per cent tax rate.
For foreign tax credit purposes, dividends will generally be income from sources outside the US and will, depending on your circumstances, generally be either “passive” or “general” income which, in either case, is treated separately from other types of income for purposes of computing the foreign tax credit allowable to you.
Taxation of capital gains
Subject to the PFIC rules discussed below, if you are a US holder and you sell or otherwise dispose of the Group’s ADSs or shares, you will recognise capital gain or loss for US federal income tax purposes equal to the difference between the US dollar value of the amount that you realise and your tax basis, determined in US dollars, in your shares or ADSs. Capital gain of a non corporate US holder is generally taxed at preferential rates where the holder has a holding period greater than one year. The gain or loss will generally be income or loss from sources within the US for foreign tax credit limitation purposes.
Passive Foreign Investment Company (PFIC) Rules
We believe that the Group’s shares or ADSs should not be treated as stock of PFIC for US federal income tax purposes, but this conclusion is a factual determination that is made annually and thus may be subject to change. If we were to be treated as a PFIC, unless the shares or ADSs are “marketable stock” and a US holder elects to be taxed annually on a mark-to-market basis with respect to the shares or ADSs, gain realised on the sale or other disposition of the shares or ADSs would in general not be treated as capital gain. Instead, if you are a US holder, you would be treated as if you had realised such gain and certain “excess distributions” rateably over your holding period for the shares or ADSs and would be taxed at the highest tax rate in effect for each such year to which the gain was allocated, together with an interest charge in respect of the tax attributable to each such year. In addition, dividends that you receive from us will not be eligible for the special tax rates applicable to qualified dividend income if we are a PFIC either in the taxable year of the distribution or the preceding taxable year, but instead will be taxable at rates applicable to ordinary income.
Exchange controls and foreign investment
Rio Tinto plc
There are no UK foreign exchange controls or other restrictions on the import or export of capital or on the payment of dividends to non resident holders of Rio Tinto plc shares or that affect the conduct of Rio Tinto plc’s operations. The Bank of England, however, administers financial sanctions against specified targets related to certain regimes. There are no restrictions under Rio Tinto plc’s Articles of
Association or under UK law that limit the right of non resident owners to hold or vote Rio Tinto plc shares.
Rio Tinto Limited
Under current Australian legislation, the Reserve Bank of Australia does not restrict the import and export of funds and no permission is required for the movement of funds into or out of Australia, except that restrictions apply to certain financial transactions relating to specified individuals and entities associated with certain regimes. The Department of Foreign Affairs and Trade has responsibility for the administration of restrictions relating to terrorists and their sponsors, and the former Iraqi regime.
Rio Tinto Limited may be required to deduct withholding tax from foreign remittances of dividends, to the extent that they are unfranked, and from payments of interest. There are no restrictions under the Constitution of Rio Tinto Limited that limit the right of non residents to hold or vote Rio Tinto Limited shares.
However acquisitions of interests in shares, voting power or certain other equity instruments in Australian companies by foreign interests are subject to review and approval by the Treasurer of the Commonwealth of Australia under the Foreign Acquisitions and Takeovers Act 1975 (the Takeovers Act). The Takeovers Act applies to any acquisition of 15 per cent or more of the outstanding shares of, or voting power in, an Australian company or to any transaction that results in one non resident, or a group of associated non residents, controlling 15 per cent or more of the shares of or voting power in, an Australian company. The Takeovers Act also applies to any transaction which results in a group of non associated non residents controlling 40 per cent or more of the shares of, or voting power in, an Australian company. Persons who are proposing such acquisitions or transactions are required to notify the Treasurer of their intention. The Treasurer has the power to order divestment in cases where such acquisitions or transactions have already occurred. The Takeovers Act does not affect the rights of owners whose interests are held in compliance with the legislation.
Material contracts
Dual listed companies structure
In 1995, Rio Tinto shareholders approved the terms of the dual listed companies merger (the DLC merger) which was designed to place the shareholders of both Companies in substantially the same position as if they held shares in a single enterprise owning all of the assets of both Companies. As a condition of its approval of the DLC merger, the Australian Government required Rio Tinto plc to reduce its shareholding in Rio Tinto Limited to 39 per cent by the end of 2005. Consistent with the commitments made to the Australian Government in 1995, the Rio Tinto plc shareholding in Rio Tinto Limited has been reduced over time. Following the completion in September 2010 of the buy-back of shares held by Tinto Holdings Australia Pty Limited, Rio Tinto plc’s interest in the ordinary shares of Rio Tinto Limited has reduced to nil.
Following the approval of the DLC merger, both Companies entered into a DLC Merger Sharing Agreement (the Sharing Agreement) through which each Company agreed to ensure that the businesses of Rio Tinto plc and Rio Tinto Limited are managed on a unified basis, to ensure that the boards of directors of each Company are the same, and to give effect to certain arrangements designed to provide shareholders of each Company with a common economic interest in the combined enterprise.


      


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In order to achieve this third objective, the Sharing Agreement provided for the ratio of dividend, voting and capital distribution rights attached to each Rio Tinto plc share and to each Rio Tinto Limited share to be fixed in an Equalisation Ratio which has remained unchanged at 1:1. The Sharing Agreement has provided for this ratio to be revised in special circumstances where, for example, certain modifications are made to the share capital of one Company, such as rights issues, bonus issues, share splits and share consolidations, but not to the share capital of the other. Outside these specified circumstances, the Equalisation Ratio can only be altered with the approval of shareholders under the Class Rights Action approval procedure described under Voting rights. In addition, any adjustments are required to be confirmed by the auditors.
One consequence of the DLC merger is that Rio Tinto is subject to a wide range of laws, rules and regulatory review across multiple jurisdictions. Where these rules differ Rio Tinto, as a Group, aims to comply with the strictest applicable level.
Consistent with the creation of a single combined enterprise under the DLC merger, directors of each Company act in the best interests of Rio Tinto as a whole. The Class Rights Action approval procedure is intended to deal with instances where there may be a conflict of interest between the shareholders of each Company.
To ensure that the boards of both Companies are identical, resolutions to appoint or remove directors must be put to shareholders of both as a joint electorate as Joint Decisions as described under Voting rights, and it is a requirement that a person can only be a director of one Company if that person is also a director of the other Company. So, for example, if a person was removed as a director of Rio Tinto plc, he or she would also cease to be a director of Rio Tinto Limited.
Dividend rights
The Sharing Agreement provides for dividends paid on Rio Tinto plc and Rio Tinto Limited shares to be equalised on a net cash basis, that is without taking into account any associated tax credits. Dividends are determined in US dollars and are then, except for ADR holders, translated and paid in sterling and Australian dollars. The Companies are also required to announce and pay their dividends and other distributions as close in time to each other as possible.
In the unlikely event that one Company did not have sufficient distributable reserves to pay the equalised dividend or the equalised capital distribution, it would be entitled to receive a top up payment from the other Company. The top up payment could be made as a dividend on the DLC Dividend Share, or by way of a contractual payment.
If the payment of an equalised dividend would contravene the law applicable to one of the Companies, then they may depart from the Equalisation Ratio. However, should such a departure occur, then the relevant Company will put aside reserves to be held for payment on the relevant shares at a later date.
Rio Tinto shareholders have no direct rights to enforce the dividend equalisation provisions of the Sharing Agreement.
The DLC Dividend Shares can also be utilised to provide the Group with flexibility for internal funds management by allowing dividends to be paid between the two parts of the Group. Such dividend payments are of no economic significance to the shareholders of either Company, as they will have no effect on the Group’s overall resources.
Voting rights
In principle, the Sharing Agreement provides for the public shareholders of Rio Tinto plc and Rio Tinto Limited to vote as a joint electorate on all matters which affect shareholders of both Companies in similar ways. These are referred to as Joint Decisions. Such Joint Decisions include the creation of new classes of share capital, the appointment or removal of directors and auditors and the receiving of annual financial statements. Joint Decisions are voted on a poll.
The Sharing Agreement also provides for the protection of the public shareholders of each Company by treating the shares issued by each Company as if they were separate classes of shares issued by a single company. So decisions that do not affect the shareholders of both Companies equally require the separate approval of the shareholders of both Companies. Matters requiring this approval procedure are referred to as Class Rights Actions and are voted on a poll.
Thus, the interests of the shareholders of each Company are protected against decisions which affect them and the shareholders in the other Company differently, by requiring their separate approval. For example, fundamental elements of the DLC merger cannot be changed unless approved by shareholders under the Class Rights Action approval procedure.
Exceptions to these principles can arise in situations such as where legislation requires the separate approval of a decision by the appropriate majority of shareholders in one Company and where approval of the matter by shareholders of the other Company is not required.
Where a matter has been expressly categorised as either a Joint Decision or a Class Rights Action, the directors do not have the power to change that categorisation. If a matter falls within both categories, it is treated as a Class Rights Action. In addition, the directors can determine that matters not expressly listed in either category should be put to shareholders for their approval under either procedure.
To facilitate the joint voting arrangements each Company has entered into shareholder voting agreements. Each Company has issued a Special Voting Share to a special purpose company held in trust by a common Trustee.
Rio Tinto plc has issued its Special Voting Share (RTP Special Voting Share) to RTL Shareholder SVC and Rio Tinto Limited has issued its Special Voting Share (RTL Special Voting Share) to RTP Shareholder SVC. The total number of votes cast on Joint Decisions by the public shareholders of one Company are voted at the parallel meeting of the other Company. The role of these special purpose companies in achieving this is described below.
In exceptional circumstances, certain public shareholders of the Companies can be excluded from voting at the respective Company’s general meetings because they have acquired shares in one Company in excess of a given threshold without making an offer for all the shares in the other Company. If this should occur, the votes cast by these excluded shareholders will be disregarded.
Following the Companies’ general meetings the overall results of the voting on Joint Decisions and the results of voting on Class Rights Actions and on separate decisions will be announced to the stock exchanges, published on the Rio Tinto website and announced to the media in the UK and Australia.




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At a Rio Tinto plc shareholders’ meeting at which a Joint Decision will be considered, each Rio Tinto plc share will carry one vote and the holder of its Special Voting Share will have one vote for each vote cast by the public shareholders of Rio Tinto Limited. The holder of the Special Voting Share is required to vote strictly and only in accordance with the votes cast by public shareholders for and against the equivalent resolution at the parallel Rio Tinto Limited shareholders’ meeting.
The holders of Rio Tinto Limited ordinary shares do not actually hold any voting shares in Rio Tinto plc by virtue of their holding in Rio Tinto Limited and cannot enforce the voting arrangements relating to the Special Voting Share.
At a Rio Tinto Limited shareholders’ meeting at which a Joint Decision will be considered, each Rio Tinto Limited share will carry one vote and the holder of its Special Voting Share will carry one vote for each vote cast by the public shareholders of Rio Tinto plc in their parallel meeting. The holder of the Special Voting Share is required to vote strictly, and only, in accordance with the votes cast for and against the equivalent resolution at the parallel Rio Tinto plc shareholders’ meeting.
The holders of Rio Tinto plc ordinary shares do not actually hold any voting shares in Rio Tinto Limited by virtue of their holding in Rio Tinto plc and cannot enforce the voting arrangements relating to the Special Voting Share.
Capital distribution rights
If either of the Companies goes into liquidation, the Sharing Agreement provides for a valuation to be made of the surplus assets of both Companies. If the surplus assets available for distribution by one Company on each of the shares held by its public shareholders exceed the surplus assets available for distribution by the other Company on each of the shares held by its public shareholders, then an equalising payment between the two Companies shall be made, to the extent permitted by applicable law, such that the amount available for distribution on each share held by public shareholders of each Company conforms to the Equalisation Ratio. The objective is to ensure that the public shareholders of both Companies have equivalent rights to the assets of the combined Group on a per share basis, taking account of the Equalisation Ratio.
The Sharing Agreement does not grant any enforceable rights to the shareholders of either Company upon liquidation of a Company.
Limitations on ownership of shares and merger obligations
The laws and regulations of the UK and Australia impose restrictions and obligations on persons who control interests in public quoted companies in excess of defined thresholds that, under certain circumstances, include obligations to make a public offer for all of the outstanding issued shares of the relevant company. The threshold applicable to Rio Tinto plc under UK law and regulations is 30 per cent and to Rio Tinto Limited under Australian law and regulations is 20 per cent (on a stand alone basis or, taking into account only Rio Tinto plc interests, on a Joint Decision basis).
As part of the DLC merger, the Articles of Association of Rio Tinto plc and the Constitution of Rio Tinto Limited were amended with the intention of extending these laws and regulations to the combined enterprise and, in particular, to ensure that a person cannot exercise control over one Company without having made offers to the public shareholders of both Companies. It is consistent with the creation of the single economic enterprise, and the equal treatment of the two
sets of shareholders, that these laws and regulations should operate in this way. The Articles of Association of Rio Tinto plc and the constitution of Rio Tinto Limited impose restrictions on any person who controls, directly or indirectly, 20 per cent or more of the votes on a Joint Decision. If, however, such a person only has an interest in either Rio Tinto Limited or Rio Tinto plc, then the restrictions will only apply if they control, directly or indirectly, 30 per cent or more of the votes at that Company’s general meetings.
If one of the thresholds specified above is breached then, subject to certain limited exceptions and notification by the relevant Company, such persons may not attend or vote at general meetings of the relevant Company, may not receive dividends or other distributions from the relevant Company, and may be divested of their interest by the directors of the relevant Company. These restrictions will continue to apply until such persons have either made a public offer for all of the publicly held shares of the other Company, or have reduced their controlling interest below the thresholds specified, or have acquired through a permitted means at least 50 per cent of the publicly held shares of each Company.
These provisions are designed to ensure that offers for the publicly held shares of both Companies would be required to avoid the restrictions set out above, even if the interests which breach the thresholds are only held in one of the Companies. The directors do not have the discretion to exempt a person from the operation of these rules.
Under the Sharing Agreement, the Companies agree to cooperate to enforce the restrictions contained in their Articles of Association and Constitution.
Guarantees
In 1995, each Company entered into a Deed Poll Guarantee in favour of creditors of the other Company. Pursuant to the Deed Poll Guarantees, each Company guaranteed the contractual obligations of the other Company and the obligations of other persons which are guaranteed by the other Company, subject to certain limited exceptions. Beneficiaries under the Deed Poll Guarantees may make demands upon the guarantor thereunder without first having recourse to the Company or persons whose obligations are being guaranteed. The obligations of the guarantor under each Deed Poll Guarantee expire upon termination of the Sharing Agreement and under other limited circumstances, but only in respect of obligations arising after such termination and, in the case of other limited circumstances, the publication and expiry of due notice. The shareholders of the Companies cannot enforce the provision of the Deed Poll Guarantees.
Facility agreement
Rio Tinto Finance plc and Rio Tinto Finance Limited entered into a facility agreement on 12 November 2010 as borrowers with a syndicate of banks. The facility is guaranteed by Rio Tinto plc and Rio Tinto Limited. The facility comprises a US$6 billion multi-currency five year revolving credit facility (including a US$ denominated same day access swingline facility). The funds made available under the Facility Agreement may be used for the general corporate purposes of the Group.
Advances under the revolving facility bear an interest rate per annum equal to the margin (which is dependent on the Group’s long term credit rating as determined by Moody’s and Standard & Poors and the level of drawdown) plus LIBOR or EURIBOR (in relation to any euro loan) plus any mandatory cost.


      


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The Facility Agreement contains no financial covenants.
At 31 December 2010, the facility was undrawn. Further details of the Group’s credit facilities are set out in note 22 of the 2010 financial statements.
Articles of Association and Constitution
As explained on pages 268 to 269, under the terms of the DLC merger the shareholders of Rio Tinto plc and of Rio Tinto Limited entered into certain contractual arrangements which are designed to place the shareholders of both Companies in substantially the same position as if they held shares in a single enterprise which owned all of the assets of both Companies. Generally and as far as is permitted by the UK Companies Act and the Australian Corporations Act and ASX Listing Rules this principle is reflected in the Articles of Association of Rio Tinto plc and in the Constitution of Rio Tinto Limited. Unless stated otherwise the Articles of Association and Constitution are identical. The summaries below include descriptions of material rights of the shareholders of both Rio Tinto plc and Rio Tinto Limited.
No holder of shares, which may be held in either certificated or uncertificated form, will be required to make any additional contributions of capital.
Objects
The objects of Rio Tinto plc were previously set out in the fourth clause of its Memorandum of Association and the objects of Rio Tinto Limited were set out in the second clause of its Memorandum of Association. Included in these objects was the right for each Company to enter into, with one another, operate and carry into effect an Agreement known as the DLC Merger Sharing Agreement (the Sharing Agreement) and a Deed Poll Guarantee (see page 268).
At the 2009 annual general meetings, shareholders of Rio Tinto plc and Rio Tinto Limited approved amendments to the constitutional documents whereby the objects clauses were removed to allow the Companies to have the widest possible scope of activities, save that the relevant parts of Clause 4(A) of the Rio Tinto plc Memorandum, which relate to the powers to operate and carry into effect the Dual Listed Company Structure, be preserved by their inclusion in article 105 (Powers and obligations in relation to the Sharing Agreement).
Similarly and for consistency with Rio Tinto plc’s Articles of Association, Rio Tinto Limited’s Memorandum of Association was also deleted from the Rio Tinto Limited Constitution save for clauses 2(1), 5 and 6, which relate to the powers to operate and carry into effect the Dual Listed Company Structure, and preserve the integrity of the Dual Listed Company voting arrangements. These provisions were incorporated into rules 7 and 111 of the Rio Tinto Limited Constitution.
Directors
Under Rio Tinto plc’s Articles of Association a director may not vote in respect of any proposal in which he or any other person connected with him, has any material interest other than by virtue of his interests in shares or debentures or other securities of or otherwise in or through the Company, except where resolutions:
  indemnify him or a third party in respect of obligations incurred by the director on behalf of, or for the benefit of, the Company, or in respect of obligations of the Company, for which the director has assumed responsibility under an indemnity, security or guarantee;
 
  relate to an offer of securities in which he may be interested as a holder of securities or as an underwriter;
  concern another body corporate in which the director is beneficially interested in less than one per cent of the issued shares of any class of shares of such a body corporate;
 
  relate to an employee benefit in which the director will share equally with other employees; and
 
  relate to liability insurance that the Company is empowered to purchase for the benefit of directors of the Company in respect of actions undertaken as directors (or officers) of the Company.
Under Rio Tinto Limited’s Constitution, except where a director is constrained by Australian law, a director may be present at a meeting of the board while a matter in which the director has a material personal interest is being considered and may vote in respect of that matter.
The directors are empowered to exercise all the powers of the Companies to borrow money, to charge any property or business of the Companies or all or any of their uncalled capital and to issue debentures or give any other security for a debt, liability or obligation of the Companies or of any other person. The directors shall restrict the borrowings of Rio Tinto plc to the limitation that the aggregate amount of all moneys borrowed by the Company and its subsidiaries shall not exceed an amount equal to one and one half times the Company’s share capital plus aggregate reserves unless sanctioned by an ordinary resolution of the Company.
Directors are not required to hold any shares of either Company by way of qualification, but a director is nevertheless entitled to attend and speak at shareholders’ meetings. Nevertheless, as disclosed in the Remuneration report on pages 128 to 155 the Remuneration committee has informed the executive directors that they would be expected to build up a shareholding equal in value to two times salary over five years. As set out on page 141 of the Remuneration report, non executive directors are encouraged to build up a shareholding within three years of their appointment equal in value to one year of the base fee.
The directors may appoint additional members to join the boards during the year. Directors appointed in this way will hold office until the first annual general meeting after their appointment and are eligible for election at that meeting. In subsequent years, and in accordance with the principle introduced by the UK Corporate Governance Code, directors offer themselves for re-election every year. Non executive directors are normally expected to serve at least six years and, except in special circumstances, would not normally serve more than nine years.
Rights attaching to shares
Under English law, dividends on shares may only be paid out of profits available for distribution, as determined in accordance with generally accepted accounting principles and by the relevant law. Shareholders are entitled to receive such dividends as may be declared by the directors. The directors may also pay shareholders such interim dividends as appear to them to be justified by the financial position of the Group.
Any Rio Tinto plc dividend unclaimed after 12 years from the date the dividend was declared, or became due for payment, will be forfeited and returned to the Company. Any Rio Tinto Limited dividend unclaimed may be invested or otherwise made use of by the board for the benefit of the Company until claimed or otherwise disposed of according to Australian law.




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Voting rights
Voting at any general meeting of shareholders on a resolution on which the holder of the Special Voting Share is entitled to vote shall be decided by a poll, and any other resolution shall be decided by a show of hands unless a poll has been duly demanded. On a show of hands, every shareholder who is present in person or by proxy or other duly authorised representative at a general meeting and entitled to vote has one vote regardless of the number of shares held. The holder of the Special Voting Share is not entitled to vote on a show of hands. On a poll, every shareholder who is present in person or by proxy or other duly authorised representative and entitled to vote has one vote for every ordinary share for which he or she is the holder and, in the case of Joint Decisions, the holder of the Special Voting Share has one vote for each vote cast by the public shareholders at the parallel meeting of shareholders. A poll may be demanded by any of the following:
  the chairman of the meeting;
 
  at least five shareholders entitled to vote on the resolution;
 
  any shareholder or shareholders representing in the aggregate not less than one tenth (Rio Tinto plc) or one twentieth (Rio Tinto Limited) of the total voting rights of all shareholders entitled to vote on the resolution;
 
  any shareholder or shareholders holding shares conferring a right to vote at the meeting on which there have been paid-up sums in the aggregate equal to not less than one tenth of the total sum paid up on all the shares conferring that right (Rio Tinto plc); or
 
  the holder of the Special Voting Share.
A proxy form will be treated as giving the proxy the authority to demand a poll, or to join others in demanding one.
The necessary quorum for a Rio Tinto plc general meeting is three members present in person or by proxy or other duly authorised representative and for a Rio Tinto Limited general meeting is two members present in person or by proxy or other duly authorised representative.
Matters are transacted at general meetings by the proposing and passing of resolutions:
  an ordinary resolution, which includes resolutions for the election of directors, the receiving of financial statements, the cumulative annual payment of dividends, the appointment of auditors, the increase of authorised share capital or the grant of authority to allot shares;
 
  a special resolution, which includes resolutions amending the Company’s Articles of Association of Rio Tinto plc or the Constitution of Rio Tinto Limited, disapplying statutory pre-emption rights or changing the Company’s name or the modification of the rights of any class of the Group’s shares at a meeting of the holders of such class of shares or relating to certain matters concerning the winding up of either Company.
An ordinary resolution requires the affirmative vote of a majority of the votes of those persons voting at a meeting at which there is a quorum. Special resolutions require the affirmative vote of not less than three fourths of the persons voting at a meeting at which there is a quorum. In the case of an equality of votes, whether on a show of hands or on a poll, the chairman of the meeting is not entitled to cast the deciding vote in addition to any other vote he may have and the resolution is not deemed to be passed.
The DLC Merger Sharing Agreement further classifies these three kinds of resolutions into “Joint Decisions” and “Class Rights Actions” as explained under voting rights on pages 269 to 270.
Annual general meetings must be convened with 21 days’ advance written notice for Rio Tinto plc and with 28 days for Rio Tinto Limited. Other meetings of Rio Tinto plc must be convened with 21 days, advance written notice for the passing of a special resolution and with 14 days’ for any other resolution, depending on the nature of the business to be transacted. Other meetings of Rio Tinto Limited require 28 days’ notice. The days of delivery or receipt of the notice and the date of the meeting are not included. The notice must specify the nature of the business to be transacted. The board of directors may, if they choose, make arrangements for shareholders who are unable to attend the place of the meeting to participate at other places.
Variation of rights
If, at any time, the share capital is divided into different classes of shares, the rights attached to any class may be varied, subject to the provisions of the relevant legislation, with the consent in writing of holders of three fourths in value of the shares of that class or upon the adoption of an extraordinary resolution passed at a separate meeting of the holders of the shares of that class. At every such separate meeting, all of the provisions of the Articles of Association and Constitution relating to proceedings at a general meeting apply, except that the quorum for Rio Tinto plc should be two or more persons who hold or represent by proxy not less than one third in nominal value of the issued shares of the class.
Rights in a winding-up
Except as the shareholders have agreed or may otherwise agree, upon a winding up, the balance of assets available for distribution:
  after the payment of all creditors including certain preferential creditors, whether statutorily preferred creditors or normal creditors; and
 
  subject to any special rights attaching to any class of shares;
is to be distributed among the holders of ordinary shares according to the amounts paid-up on the shares held by them. This distribution is generally to be made in cash. A liquidator may, however, upon the adoption of an extraordinary resolution of the shareholders, divide among the shareholders the whole or any part of the assets in kind.
The DLC Merger Sharing Agreement further sets out the rights of ordinary shareholders in a liquidation as explained on page 270.
Limitations on voting and shareholding
Except for the provisions of the Foreign Acquisitions and Takeovers Act 1975 which impose certain conditions on the foreign ownership of Australian companies, there are no limitations imposed by law, Rio Tinto plc’s Articles of Association or Rio Tinto Limited’s Constitution, on the rights of non residents or foreign persons to hold or vote the Group’s ordinary shares or ADSs that would not apply generally to all shareholders.
Supplementary information
General shareholder enquiries
Computershare Investor Services PLC and Computershare Investor Services Pty Limited are the share registrars for Rio Tinto plc and Rio Tinto Limited, respectively. All enquiries and correspondence concerning shareholdings, other than shares held in ADR form, should be directed to the respective registrar. Their addresses and


      


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telephone numbers are given under Useful information and contacts on the back page. Shareholders should notify Computershare promptly of any change of address.
Enquiries concerning Rio Tinto plc ADRs should be directed to JPMorgan Chase Bank NA whose address and telephone number are also given under Useful information and contacts.
Warning to shareholders
Many companies have become aware that their shareholders have received unsolicited phone calls or correspondence concerning investment matters. These are typically from overseas based “brokers” who target shareholders, offering to sell them what often turn out to be worthless or high risk shares. The “brokers” can be very persistent and extremely persuasive, and the UK Financial Services Authority (FSA) has reported that the average amount lost by investors is around £20,000.
Shareholders are also warned to carefully consider any unsolicited offers they receive to buy their Rio Tinto shares. Some companies make offers to shareholders for their shareholdings at prices significantly below what they could expect on the market. Although it is not against the law to make an unsolicited offer to buy someone’s shares, it is illegal to mislead or deceive shareholders into accepting an offer. The offer must also comply with strict legal requirements, including prominent details of the current market value of the shares if they were to be sold on the market.
Shareholders are urged to seek independent professional advice to protect themselves against a poor deal.
Investor Centre
Investor Centre is a free, secure, self service website, where shareholders can manage their holdings online. The website enables shareholders to:
  View share balances
 
  Change address details
 
  View payment and tax information
 
  Update payment instructions
In addition, shareholders who register their email address on Investor Centre, can be notified electronically of events such as annual general meetings, and can receive shareholder communications such as the Annual report or notice of meeting electronically online.
Rio Tinto plc shareholders
ww w.investorcentre.co.uk/riotinto
Rio Tinto Limited shareholders
ww w.investorcentre.com
Consolidation of share certificates
If a certificated shareholding in Rio Tinto plc is represented by several individual share certificates, they can be replaced by one consolidated certificate. There is no charge for this service. Share certificates should be sent to Computershare together with a letter of instruction.
Share warrants to bearer
All outstanding share warrants to bearer of Rio Tinto plc have been converted into registered ordinary shares under the terms of a Scheme of Arrangement sanctioned by the Court in 2001. Holders of any outstanding share warrants to bearer should contact the company secretary of Rio Tinto plc for an application form in order to obtain their rights to registered ordinary shares.
Former Alcan Inc. shareholders
Former Alcan Inc. shareholders who have not tendered their Alcan shares to the Rio Tinto offer of US$101.00 per common share are entitled to claim their funds by sending a letter of transmittal together with their stock certificate to Computershare Investor Services Inc., whose details are given under Useful information and contacts.
Corporate nominee service
Computershare in conjunction with Rio Tinto plc, operate a corporate nominee service for private individuals. Further information can be obtained from Computershare.




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Shareholder information continued
 

Rio Tinto on the web
Rio Tinto maintains a substantial amount of information on its website, including this and previous annual reports, many other publications and links to Group company websites.
It is the responsibility of the directors to ensure that processes are in place to maintain information and preserve the integrity of the Rio Tinto website. Legislation in the UK governing the preparation and dissemination of financial statements may differ from legislation in other jurisdictions.
Publications
The following publications are on the website but hard copies can be obtained free of charge on request from the company secretaries:
2010 Annual report
2010 Annual review
The way we work – Rio Tinto’s code of business conduct
Substantial shareholders
Under the UK Disclosure and Transparency Rules and the Australian Corporations Act, any shareholder of Rio Tinto plc with voting rights of three per cent or more or any person with voting power of five per cent or more in Rio Tinto Limited, is required to provide the Companies with notice. The shareholders who have provided such, or an equivalent, notice are:
                         
                    Percentage of  
Rio Tinto plc                   issued share  
  Date of notice     Number of shares     capital  
     
The Capital Group
Companies, Inc
  13 Jun 2006       41,031,494       3.90  
Capital Research and Management
                       
Company
  16 July 2009       75,461,183       4.95  
AXA S.A.
  29 Jan 2008       48,493,873       4.86  
Shining Prospect Pte. Ltd
  2 Feb 2008       119,705,134       12.00  
BlackRock Inc.
  1 Dec 2009       127,744,871       8.38  
Legal & General plc
  1 Oct 2010       60,698,133       3.97  
     
Rio Tinto Limited
                       
     
Shining Prospect Pte. Ltd(a)
  4 Feb 2008              
BlackRock Investment
                       
Management (Australia) Limited
  8 Nov 2010       25,357,003       5.81  
 
 
(a)   Shining Prospect Pte. Ltd, a Singapore based entity owned by Chinalco (Aluminum Corporation of China) acquired 119,705,134 Rio Tinto plc shares on 1 February 2008. Through the operation of Corporations Act as modified, this gives these entities and their associates voting power of 9.32 per cent in the Rio Tinto Group on a joint decision matter, making them substantial shareholders of Rio Tinto Limited as well as of Rio Tinto plc.
As far as is known, Rio Tinto plc and Rio Tinto Limited are not directly or indirectly owned or controlled by another corporation or by any government or natural person. Rio Tinto is not aware of any arrangement which may result in a change in control.
As of 21 February 2011, the total amount of the Group’s voting securities owned by the directors in Rio Tinto plc was 411,355 ordinary shares of 10p each and in Rio Tinto Limited was 53,202 ordinary shares, in aggregate representing less than one per cent of the Group’s total number of shares in issue.
Except as provided under the DLC Merger Sharing Agreement, as explained on page 269, the Group’s major shareholders have the same voting and other rights as other shareholders.
Conversion of weights and measures
1 troy ounce = 31.1 grams
1 kilogram = 32.15 troy ounces
1 kilogram = 2.2046 pounds
1 metric tonne = 2,204.6 pounds
1 metric tonne = 1.1023 short tons
1 metric tonne = 1,000 kilograms
1 short ton = 2,000 pounds
1 long ton = 2,240 pounds
1 gram per metric tonne = 0.02917 troy ounces per short ton
1 gram per metric tonne = 0.03215 troy ounces per metric tonne
1 kilometre = 0.6214 miles
Exchange rates
The following tables show, for the periods and dates indicated, certain information regarding the exchange rates for the pound sterling and Australian dollar, based on the Noon Buying Rates for pounds sterling and Australian dollars expressed in US dollars per £1.00 and per A$1.00.
                                 
Pounds sterling
Year ended 31 December*   Period end     Average rate     High     Low  
       
2010
    1.56       1.55       1.64       1.43  
2009
    1.62       1.57       1.70       1.35  
2008
    1.44       1.86       2.03       1.44  
2007
    1.99       2.00       2.11       1.92  
2006
    1.96       1.84       1.98       1.72  
 
 
Australian dollars
Year ended 31 December*   Period end     Average rate     High     Low  
       
2010
    1.02       0.92       1.02       0.81  
2009
    0.890       0.790       0.940       0.620  
2008
    0.698       0.852       0.983       0.607  
2007
    0.878       0.839       0.937       0.772  
2006
    0.788       0.753       0.791       0.706  
 
 
*   The Noon Buying Rate on such dates differed slightly from the rates used in the preparation of Rio Tinto’s financial statements as of such date. No representation is made that pound sterling and Australian dollar amounts have been, could have been or could be converted into dollars at the Noon Buying Rate on such dates or at any other dates.


      


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Analysis of ordinary shareholders
                                                                 
    Rio Tinto plc     Rio Tinto Limited  
As at 21 February 2011   No of accounts     %     Shares     %     No of accounts     %     Shares     %  
   
1 to 1,000 shares
    34,596       72.70       11,977,286       0.78       160,643       83.25       47,536,022       10.91  
1,001 to 5,000 shares
    10,256       21.55       20,535,127       1.34       28,858       14.96       57,167,901       13.12  
5,001 to 10,000 shares
    925       1.94       6,371,231       0.41       2,277       1.18       15,741,400       3.61  
10,001 to 25,000 shares
    529       1.11       8,320,292       0.55       864       0.45       12,720,963       2.92  
25,001 to 125,000 shares
    613       1.29       37,081,824       2.43       230       0.12       10,608,459       2.43  
125,001 to 250,000 shares
    209       0.44       37,379,248       2.44       35       0.02       6,204,948       1.42  
250,001 to 1,250,000 shares
    302       0.64       172,115,678       11.32       34       0.02       17,220,446       3.95  
1,250,001 to 2,500,000 shares
    67       0.14       118,955,495       7.79       5       0.00       9,049,891       2.08  
2,500,001 shares and over
    88       0.19       1,016,857,880       66.50       10       0.01       259,508,690       59.55  
ADRs
    1       0.00       95,340,352       6.24                          
   
Publicly held shares
    47,586       100.00       1,524,934,413       99.80       192,956       100       435,758,720       100  
Shares held in treasury
    1               4,069,458       0.20                                  
   
 
                    1,529,003,871       100               100       435,758,720       100  
   
Number of holdings less than marketable parcel of A$500
                                    2,533                          
 
Twenty largest registered shareholders
In accordance with the ASX Listing Rules, below are the names of the twenty largest registered holders of Rio Tinto Limited shares and the number of shares and the percentage of issued capital each holds:
                   
              Percentage of  
Rio Tinto Limited   Number of shares     issued share capital  
   
1.
HSBC Custody Nominees (Australia) Limited
    88,809,632       20.38  
2.
JP Morgan Nominees Australia Limited
    60,609,606       13.91  
3.
National Nominees Limited
    58,701,943       13.47  
4.
Citicorp Nominees Pty Limited
    19,127,129       4.39  
5.
Cogent Nominees Pty Limited
    11,019,596       2.53  
6.
JP Morgan Nominees Australia Limited
    7,317,079       1.68  
7.
UBS Wealth Management Australia Nominees Pty Ltd
    3,701,986       0.85  
8.
Citicorp Nominees Pty Limited
    3,585,707       0.82  
9.
Australian Foundation Investment Company Limited
    3,573,706       0.82  
10.
AMP Life Limited
    3,062,306       0.70  
11.
Argo Investments Limited
    2,393,539       0.55  
12.
Perpetual Trustee Company Limited
    2,085,788       0.48  
13.
Queensland Investment Corporation
    1,778,101       0.41  
14.
Australian Reward Investment Alliance
    1,481,201       0.34  
15.
Tasman Asset Management Ltd
    1,311,262       0.30  
16.
UBS Nominees Pty Ltd
    1,244,345       0.29  
17.
RBC Dexia Investor Services Australia Nominees Pty Limited
    1,136,633       0.26  
18.
Citicorp Nominees Pty Limited
    1,017,557       0.23  
19.
Cogent Nominees Pty Limited
    870,383       0.20  
20. 
Australian United Investment Company Limited
    762,500       0.17  
   
 
 
    273,589,999       62.78  
 
 
Large registered shareholders are nominees who hold securities on behalf of beneficial shareholders.


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Definitions
 

Non mining definitions
Throughout this document, the collective expressions Rio Tinto, Rio Tinto Group and Group are used for convenience only. Depending on the context in which they are used, they mean Rio Tinto plc and/or Rio Tinto Limited and/or one or more of the individual companies in which Rio Tinto plc and/or Rio Tinto Limited directly or indirectly own investments, all of which are separate and distinct legal entities.
Unless the context indicates otherwise, the following terms have the meanings shown below:
         
 
ADR
  American Depositary Receipt evidencing American Depositary Shares (ADS).
 
Australian dollars
  Australian currency. Abbreviates to A$.
 
AIFRS
  International Financial Reporting Standards as adopted in Australia.
 
Billion
  One thousand million.
 
Canadian dollars
  Canadian currency. Abbreviates to C$.
 
Company/Companies
  Rio Tinto plc and/or Rio Tinto Limited, as the context so requires.
 
DLC merger
  Dual listed companies merger (1995).
 
EU IFRS
  International Financial Reporting Standards as adopted by the European Union.
 
IASB
  International Accounting Standards Board.
 
IFRS
  International Financial Reporting Standards.
 
LBMA
  London Bullion Market Association.
 
LME
  London Metal Exchange.
 
OECD
  Organisation for Economic Co-operation and Development.
 
Pounds sterling
  UK currency. Abbreviates to £, pence or p.
 
Public shareholders
  The holders of Rio Tinto plc shares that are not companies in the Rio Tinto Limited Group and the holders
 
  of Rio Tinto Limited shares that are not companies in the Rio Tinto plc Group.
 
Rand
  South African currency. Abbreviates to R.
 
Rio Tinto Limited
  Rio Tinto Limited, and, where the context permits, its subsidiaries and associated companies.
 
Rio Tinto Limited Group
  Rio Tinto Limited and its subsidiaries and associated companies.
 
Rio Tinto Limited shareholders
  The holders of Rio Tinto Limited shares.
 
Rio Tinto Limited share
  The shares in Rio Tinto Limited.
 
Rio Tinto Limited/RTL
  The DLC Dividend Share in Rio Tinto Limited.
DLC Dividend Share
       
 
Rio Tinto Limited/RTL
  The Special Voting Share in Rio Tinto Limited.
Special Voting Share
       
 
Rio Tinto plc
  Rio Tinto plc and its subsidiaries and associated companies.
 
Rio Tinto plc ADS
  An American Depositary Share representing the right to receive one Rio Tinto plc ordinary share.
 
Rio Tinto plc Group
  Rio Tinto plc and its subsidiaries and associated companies.
 
Rio Tinto plc ordinary shares
  The shares of 10p each in Rio Tinto plc.
 
Rio Tinto plc shareholders
  The holders of Rio Tinto plc shares.
 
Rio Tinto plc shares
  Rio Tinto plc ordinary shares.
 
Rio Tinto plc/RTP
  The DLC Dividend Share of 10p in Rio Tinto plc.
 
DLC Dividend Share
       
 
Rio Tinto plc/RTP
  The Special Voting Share of 10p in Rio Tinto plc
Special Voting Share
       
 
Share/shares
  Rio Tinto Limited shares or Rio Tinto plc ordinary shares, as the context requires.
 
Sharing Agreement
  The agreement, dated 21 December 1995, as amended between Rio Tinto Limited and Rio Tinto plc relating to the regulation
 
  of the relationship between Rio Tinto Limited and Rio Tinto plc following the DLC merger.
 
US dollars
  United States currency. Abbreviates to dollars, $ or US$ and US cents or USc.
 
      


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Mining and technical definitions
       
 
Alumina
  Aluminium oxide. It is extracted from bauxite in a chemical refining process and is subsequently the principal raw material in the electrochemical process by which aluminium is produced.
 
Anode and cathode copper
  At the final stage of the smelting of copper concentrates, the copper is cast into specially shaped slabs called anodes for subsequent refining to produce refined cathode copper.
 
Bauxite
  Mainly hydrated aluminium oxides (Al2O3 ..2H2O). Principal ore of alumina, the raw material from which aluminium is made.
 
Bioleaching
  The deliberate use of bacteria to speed the chemical release of metals from ores.
 
Block caving
  An underground bulk mining method. It involves undercutting the orebody to induce ore fracture and collapse by gravity. The broken ore is recovered through draw points below.
 
Borates
  A generic term for mineral compounds which contain boron and oxygen.
 
Cathode copper
  Refined copper produced by electrolytic refining of impure copper or by electrowinning.
 
Classification
  Separating crushed and ground ore into portions of different size particles.
 
Coking coal
  By virtue of its carbonisation properties, it is used in the manufacture of coke, which is used in the steel making process. Also known as metallurgical coal.
 
Concentrate
  The product of a physical concentration process, such as flotation or gravity concentration, which involves separating ore minerals from unwanted waste rock. Concentrates require subsequent processing (such as smelting or leaching) to break down or dissolve the ore minerals and obtain the desired elements, usually metals.
 
Cutoff grade
  The lowest grade of mineralised material considered economic to process. It is used in the calculation of the quantity of ore present in a given deposit.
 
Flotation
  A method of separating finely ground minerals using a froth created in water by specific reagents. In the flotation process certain mineral particles are induced to float by becoming attached to bubbles of froth whereas others, usually unwanted, sink.
 
Grade
  The proportion of metal or mineral present in ore, or any other host material, expressed in this document as per cent, grams per tonne or ounces per ton.
 
Head grade
  The average grade of ore delivered to the mill.
 
Ilmenite
  Mineral composed of iron, titanium and oxygen.
 
Metallurgical coal
  By virtue of its carbonisation properties, it is used in the manufacture of coke, which is used in the steel making process. Also known as coking coal.
 
Ore
  A rock from which a metal(s) or mineral(s) can be economically and legally extracted.
 
Ore milled
  The quantity of ore processed.
 
Probable ore reserves
  Reserves for which quantity and grade and/or quality are computed from information similar to that used for proven reserves, but the sites for inspection, sampling and measurement are farther apart or are otherwise less adequately spaced. The degree of assurance, although lower than that for proven reserves, is high enough to assume continuity between points of observation.
 
Proven ore reserves
  Reserves for which (a) quantity is computed from dimensions revealed in outcrops, trenches, workings or drill holes; grade and/or quality are computed from the results of detailed sampling and (b) the sites for inspection, sampling and measurement are spaced so closely and the geologic character is so well defined that size, shape, depth and mineral content of reserves are well established.
 
Rock mined
  The quantity of ore and waste rock excavated from the mine. In this document, the term is only applied to surface mining operations.
 
Rutile
  A mineral composed of titanium and oxygen (TiO2).
 
Stripping ratio
  The tonnes of waste material which must be removed to allow the mining of one tonne of ore.
 
Solvent extraction and electrowinning (SX-EW)
  Processes for extracting metal from an ore and producing pure metal. First the metal is leached into solution; the resulting solution is then purified in the solvent extraction process; the solution is then treated in an electrochemical process (electrowinning) to recover cathode copper.
 
Tailing
  The rock wastes which are rejected from a concentrating process after the recoverable valuable minerals have been extracted.
 
Titanium dioxide feedstock
  A feedstock rich in titanium dioxide, produced, in Rio Tinto’s case, by smelting ores containing titanium minerals.
 
Underlying earnings
  Underlying earnings is an additional measure to provide greater understanding of the underlying business performance of operations.
 
Zircon
  Zirconium mineral (ZrSiO4).
 


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Financial calendar
 

         
2011
       
 
18 January
  Fourth quarter 2010 operations review
 
10 February
  Announcement of results for 2010
 
2 March
  Rio Tinto plc and Rio Tinto Limited shares and Rio Tinto plc ADRs quoted “ex-dividend” for 2010 final dividend
 
4 March
  Record date for 2010 final dividend for Rio Tinto plc shares and ADRs
 
8 March
  Record date for 2010 final dividend for Rio Tinto Limited shares
 
9 March
  Plan notice date for election under the dividend reinvestment plan for the 2010 final dividend for Rio Tinto Limited shares and dividend currency conversion date (Rio Tinto Limited shareholders electing to receive pounds sterling)
 
10 March
  Plan notice date for election under the dividend reinvestment plan for the 2010 final dividend for Rio Tinto plc shares and dividend currency conversion date (Rio Tinto plc shareholders electing to receive Australian dollars)
 
24 March
  Dividend currency conversion date (Rio Tinto plc holders electing to receive Australian dollars and Rio Tinto Limited holders electing to receive pounds sterling)
 
31 March
  Payment date for 2010 final dividend to holders of ordinary shares and ADRs
 
13 April
  First quarter 2011 operations review
 
14 April
  Annual general meeting for Rio Tinto plc
 
5 May
  Annual general meeting for Rio Tinto Limited
 
14 July
  Second quarter 2011 operations review
 
4 August
  Announcement of half year results for 2011
 
10 August
  Rio Tinto plc and Rio Tinto Limited shares and Rio Tinto plc ADRs quoted “ex-dividend” for 2011 interim dividend
 
12 August
  Record date for 2011 interim dividend for Rio Tinto plc shares and ADRs
 
16 August
  Record date for 2011 interim dividend for Rio Tinto Limited shares
 
17 August
  Plan notice date for election under the dividend reinvestment plan for the 2011 interim dividend
 
1 September
  Dividend currency conversion date (Rio Tinto plc holders electing to receive Australian dollars and Rio Tinto Limited holders electing to receive pounds sterling)
 
8 September
  Payment date for 2011 interim dividend to holders of ordinary shares
 
9 September
  Payment date for 2011 interim dividend to holders of Rio Tinto plc ADRs
 
13 October
  Third quarter 2011 operations review
 
 
       
2012
       
 
January
  Fourth quarter 2011 operations review
 
February
  Announcement of results for 2011
 
      


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Registered offices
Rio Tinto plc
2 Eastbourne Terrace
London
W2 6LG
Registered in England No. 719885
Telephone: +44 (0) 20 7781 2000
Facsimile: +44 (0) 20 7781 1800
Website: ww w.riotinto.com
Rio Tinto Limited
Level 33
120 Collins Street
Melbourne
Victoria 3000
ACN 96 004 458 404
Telephone: +61 (0) 3 9283 3333
Facsimile: +61 (0) 3 9283 3707
Website: ww w.riotinto.com
Rio Tinto’s agent in the US is Shannon Crompton,
who may be contacted at
Rio Tinto Services Inc.
80 State Street
Albany
New York, 12207-2543
Shareholders
Please contact the respective registrar if you have any queries about your shareholding.
Rio Tinto plc
Computershare Investor Services PLC
The Pavilions
Bridgwater Road
Bristol BS99 6ZY
Telephone: +44 (0) 870 703 6364
Facsimile: +44 (0) 870 703 6119
UK residents only, Freephone: 0800 435021
Website: ww w.computershare.com
Investor Centre
To find out more about Investor Centre, go to
ww w.investorcentre.co.uk/riotinto
Holders of Rio Tinto American Depositary Receipts (ADRs)
Please contact the ADR administrator if you have any queries about your ADRs.
ADR administrator
JPMorgan Chase & Co
PO Box 64504
St. Paul, MN 55164-0504
Telephone: +1 (651) 453 2128
US residents only, toll free general:
(800) 990 1135
US residents only, toll free Global invest direct:
(800) 428 4237
Website: ww w.adr.com/shareholder
Email: jpmorgan.adr@ wellsfargo.com
Rio Tinto Limited
Computershare Investor Services Pty Limited
GPO Box 2975
Melbourne
Victoria 3001
Telephone: +61 (0) 3 9415 4030
Facsimile: +61 (0) 3 9473 2500
Australian residents only, toll free:
1800 813 292
New Zealand residents only, toll free:
0800 450 740
Website: ww w.computershare.com
Investor Centre
To find out more about Investor Centre go
to ww w.investorcentre.com
Former Alcan Inc. Shareholders
Computershare Investor Services Inc.
9th Floor
100 University Avenue
Toronto
Ontario
M5J 2Y1
Canada
Telephone: +1 514 982 7555
North American residents only, toll free
+1 (866) 624 1341
Website: ww w.computershare.com




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Table of Contents

Item 19.    Exhibits
Exhibits marked “*” have been filed as exhibits to this Annual report on Form 20-F and other exhibits have been incorporated by reference as indicated.
INDEX
         
Exhibit
Number
  Description
  1.1    
Articles of Association of Rio Tinto plc (adopted by special resolution passed on 20 April 2009 and amended on 1 October 2009) (incorporated by reference to Exhibit 1.1 of Rio Tinto plc Annual report on Form 20-F for the fiscal year ended 31 December 2009, File No. 1-10533)
       
 
  1.2    
Constitution of Rio Tinto Limited (ACN 004 458 404) (as adopted by special resolution passed on 24 May 2000 and amended by special resolution on 18 April 2002, 29 April 2005, 27 April 2007, 24 April 2008 and 20 April 2009) (incorporated by reference to Exhibit 1.2 of Rio Tinto plc Annual report on Form 20-F for the fiscal year ended 31 December 2009, File No. 1-10533)
       
 
  3.1    
DLC Merger Implementation Agreement, dated 3 November 1995 between CRA Limited and The RTZ Corporation PLC relating to the implementation of the DLC merger (incorporated by reference to Exhibit 2.1 of Rio Tinto plc’s Annual report on Form 20-F for the financial year ended 31 December 1995, File No. 1-10533)
       
 
  3.2    
DLC Merger Sharing Agreement, dated 21 December 1995 and amended on 14 April 2005, 29 April 2005 and 18 December 2009 between CRA Limited and The RTZ Corporation PLC relating to the ongoing relationship between CRA and RTZ following the DLC merger (incorporated by reference to Exhibit 3.2 of Rio Tinto plc Annual report on Form 20-F for the fiscal year ended 31 December 2009, File No. 1-10533)
       
 
  3.3    
RTZ Shareholder Voting Agreement, dated 21 December 1995 and amended on 18 January 2010 between The RTZ Corporation PLC, RTZ Shareholder SVC Pty. Limited, CRA Limited, R.T.Z. Australian Holdings Limited and The Law Debenture Trust Corporation p.l.c (incorporated by reference to Exhibit 3.3 of Rio Tinto plc Annual report on Form 20-F for the fiscal year ended 31 December 2009, File No. 1-10533)
       
 
  3.4    
CRA Shareholder Voting Agreement, dated 21 December 1995 and amended 18 January 2010 between CRA Limited, CRA Shareholder SVC Limited, The RTZ Corporation PLC and The Law Debenture Trust Corporation p.l.c., relating to the RTZ Special Voting Share (incorporated by reference to Exhibit 3.4 of Rio Tinto plc Annual report on Form 20-F for the fiscal year ended 31 December 2009, File No. 1-10533)
       
 
  4.01    
Rio Tinto plc — Share Option Plan 2004 (incorporated by reference to Exhibit 4.3 of Rio Tinto’s Registration statement on Form S-8, File No. 333-147914)
       
 
  4.02    
Rio Tinto plc — Mining Companies Comparative Plan 2004 (incorporated by reference to Exhibit 4.4 of Rio Tinto’s Registration statement on Form S-8, File No. 333-147914)
       
 
  4.03    
Rio Tinto Limited — Share Option Plan 2004 (incorporated by reference to Exhibit 4.6 of Rio Tinto’s Registration statement on Form S-8, File No. 333-147914)
       
 
  4.04    
Rio Tinto Limited — Mining Companies Comparative Plan 2004 (incorporated by reference to Exhibit 4.7 of Rio Tinto’s Registration statement on Form S-8, File No. 333-147914)
       
 
  4.05    
Medical expenses plan (incorporated by reference to Exhibit 4.67 of Rio Tinto plc’s Annual report on Form 20-F for the financial year ended 31 December 2000, File No. 1-10533)
       
 
  4.06    
Pension plan (incorporated by reference to Exhibit 4.68 of Rio Tinto plc’s Annual report on Form 20-F for the financial year ended 31 December 2000, File No. 1-10533)
       
 
  4.07    
Rules of The Rio Tinto plc 2008 Bonus Deferral Plan (incorporated by reference to Exhibit 4.15 of Rio Tinto plc’s Annual report on Form 20-F for the financial year ended 31 December 2008, File No. 1-10533)
       
 
  4.08    
US Annex to the Rules of the Rio Tinto plc 2008 Bonus Deferral Plan (incorporated by reference to Exhibit 4.16 of Rio Tinto plc’s Annual report on Form 20-F for the financial year ended 31 December 2008, File No. 1-10533)
       
 
  4.09    
Rules of The Rio Tinto Limited 2008 Bonus Deferral Plan (incorporated by reference to Exhibit 4.17 of Rio Tinto plc’s Annual report on Form 20-F for the financial year ended 31 December 2008, File No. 1-10533)
       
 
  4.10    
US Annex to the Rules of the Rio Tinto Limited 2008 Bonus Deferral Plan (incorporated by reference to Exhibit 4.18 of Rio Tinto plc’s Annual report on Form 20-F for the financial year ended 31 December 2008, File No. 1-10533)
       
 
  8.1*    
List of subsidiary companies.
       
 
  12.1*    
Certifications pursuant to Rule 13a-14(a) of the Exchange Act.

 


Table of Contents

         
  13.1*    
Certifications furnished pursuant to Rule 13a-14(b) of the Exchange Act (such certifications are not deemed filed for purpose of Section 18 of the Exchange Act and not incorporated by reference in any filing under the Securities Act).
       
 
  15.1*    
Consent of Independent Accountants to the incorporation of the audit report relating to the Rio Tinto Group and effectiveness of internal control over financial reporting of the Rio Tinto Group by reference in registration statements on Form F-3 and Form S-8.
       
 
  99.1*    
Mine safety and health administration safety data.
 
*   Filed herewith.

 


Table of Contents

Signature
The Registrants hereby certify that they meet all of the requirements for filing on Form 20-F and that they have duly caused and authorised the undersigned to sign this Annual Report on their behalf.
     
Rio Tinto plc
  Rio Tinto Limited
(Registrant)
  (Registrant)
 
   
/s/ Ben Mathews 
 
  /s/ Ben Mathews 
 
Name: Ben Mathews
Title: Secretary
  Name: Ben Mathews
Title: Assistant Secretary
 
   
Date: 15 March 2011
  Date: 15 March 2011