Edgar Filing: CLOUD PEAK ENERGY INC.

Ownership Submission

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person ^*

Â RIO TINTO PLC

2. Date of Event Requiring Statement (Month/Day/Year)
11/19/2009

3. Issuer Name and Ticker or Trading Symbol
CLOUD PEAK ENERGY INC. [CLD]

(Last)

(First)

(Middle)

2 EASTBOURNE TERRACE,Â

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

__X__ Director	__X__ 10% Owner
_____ Officer (give title below)	_____ Other (specify below)

5. If Amendment, Date Original Filed(Month/Day/Year)

(Street)

LONDON,Â X0Â W2 6LG

6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person

(City)

(State)

(Zip)

Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security
(Instr. 4)

2. Amount of Securities Beneficially Owned
(Instr. 4)

3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)

4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Common Membership Units	Â ⁽¹⁾	Â ⁽¹⁾	Common Stock of Cloud Peak Energy Inc., par value $.01/share	60,000,000	$ ⁽¹⁾	I ⁽²⁾	See footnote ⁽²⁾

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
RIO TINTO PLC 2 EASTBOURNE TERRACE LONDON,Â X0Â W2 6LG	Â X	Â X	Â	Â
RIO TINTO EUROPEAN HOLDINGS LTD 2 EASTBOURNE TERRACE LONDON,Â X0Â W2 6LG	Â X	Â X	Â	Â
RIO TINTO WESTERN HOLDINGS LTD 2 EASTBOURNE TERRACE LONDON,Â X0Â W2 6LG	Â X	Â X	Â	Â
RIO TINTO AMERICA HOLDINGS INC 100 QUENTIN ROOSEVELT BOULEVARD GARDEN CITY,Â NYÂ 11530	Â X	Â X	Â	Â
RTAH LLC P.O. BOX 3009 505 SOUTH GILLETTE AVENUE GILLETTE,Â WYÂ 82717-3009	Â X	Â X	Â	Â
RIO TINTO AMERICA INC 3595 S 8309 W MAGNA,Â UTÂ 84044	Â X	Â X	Â	Â
RIO TINTO ENERGY AMERICA INC 505 SOUTH GILLETTE AVENUE GILLETTE,Â WYÂ 82717-3009	Â X	Â X	Â	Â
KENNECOTT MANAGEMENT SERVICES CO P.O. BOX 3009 505 SOUTH GILLETTE AVENUE GILLETTE,Â WYÂ 82717-3009	Â X	Â X	Â	Â

Signatures

/s/ Jim Berson, Attorney-in-Fact, RIO TINTO PLC		11/17/2009
^**Signature of Reporting Person		Date
/s/ Jim Berson, Attorney-in-Fact, RIO TINTO EUROPEAN HOLDINGS LIMITED		11/17/2009
^**Signature of Reporting Person		Date
/s/ Jim Berson, Attorney-in-Fact, RIO TINTO WESTERN HOLDINGS LIMITED		11/17/2009
^**Signature of Reporting Person		Date
/s/ Jim Berson, Attorney-in-Fact, RIO TINTO AMERICA HOLDINGS INC.		11/17/2009
^**Signature of Reporting Person		Date
/s/ Jim Berson, Attorney-in-Fact, RTAH LLC		11/17/2009
^**Signature of Reporting Person		Date
/s/ Jim Berson, Attorney-in-Fact, RIO TINTO AMERICA INC.		11/17/2009
^**Signature of Reporting Person		Date
/s/ Jim Berson, Attorney-in-Fact, RIO TINTO ENERGY AMERICA INC.		11/17/2009
^**Signature of Reporting Person		Date
/s/ Jim Berson, Attorney-in-Fact, KENNECOTT MANAGEMENT SERVICES COMPANY		11/17/2009
^**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	For text of Footnote 1, see Exhibit 99.1.
(2)	For text of Footnote 2, see Exhibit 99.1.
Â Remarks: PrestonÂ ChiaroÂ servesÂ onÂ theÂ boardÂ ofÂ directorsÂ ofÂ theÂ IssuerÂ andÂ isÂ theÂ GroupÂ Executive,Â TechnologyÂ &Â Innovation,Â ofÂ Rio Â Tinto.Â Â AsÂ aÂ result,Â theÂ ReportingÂ OwnersÂ mayÂ beÂ deemedÂ directorsÂ ofÂ theÂ IssuerÂ byÂ deputization. ExhibitÂ List ExhibitÂ 24Â -Â PowersÂ ofÂ Attorney ExhibitÂ 99.1Â -Â TextÂ ofÂ FootnoteÂ 1Â andÂ FootnoteÂ 2.

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