Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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 *
Quass Mary K.
   2. Issuer Name and Ticker or Trading Symbol
UNITED FIRE & CASUALTY CO [UFCS] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
118 SECOND AVENUE SE, P.O. BOX 73909		 3. Date of Earliest Transaction (Month/Day/Year)
02/18/2011
(Street)

CEDAR RAPIDS, IA 52407-3909		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (right to buy) $ 20.4 (1) 02/18/2011   A   3,000     (2) 02/18/2021 Common Stock 3,000 $ 0 3,000 D  
Stock Option (right to buy) $ 22.46 (1)               (3) 05/19/2020 Common Stock 3,000   3,000 D  
Stock Option (right to buy) $ 33.78 (1)               (4) 05/21/2018 Common Stock 3,000   3,000 D  
Stock Option (right to buy) $ 29.28 (1)               (5) 11/16/2017 Common Stock 2,000   2,000 D  
Stock Option (right to buy) $ 31.05 (1)               (6) 05/17/2016 Common Stock 1,333   1,333 D  
Stock Option (right to buy) $ 39.13 (1)               (7) 02/17/2016 Common Stock 2,000   2,000 D  
Stock Option (right to buy) $ 27.32 (8)               (7) 05/19/2014 Common Stock 2,000   2,000 D  
Stock Option (right to buy) $ 16.13 (8)               (7) 05/21/2013 Common Stock 2,000   2,000 D  
Stock Option (right to buy) $ 16.98 (8)               (7) 05/15/2012 Common Stock 1,000   1,000 D  
Stock Option (right to buy) $ 15.25 (8)               (7) 05/16/2011 Common Stock 1,000   1,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Quass Mary K.
118 SECOND AVENUE SE
P.O. BOX 73909
CEDAR RAPIDS, IA 52407-3909		   X      

Signatures

 /s/ Mary K. Quass by Dianne M. Lyons, Attorney-in-Fact   02/22/2011
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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) Under the terms of the 2005 United Fire & Casualty Company Nonqualified Nonemployee Stock Option and Restricted Stock Plan, the option exercise price for these stock options is calculated as the average of the high and low trading price of the issuer's common stock on the grant date.
(2) 3,000 options become exercisable in five equal installments of 600 option shares each on 02/18/2012, 02/18/2013, 02/18/2014, 02/18/2015 and 02/18/2016.
(3) 3,000 options become exercisable in five equal installments of 600 option shares each on 05/19/2011, 05/19/2012, 05/19/2013, 05/19/2014 and 05/19/2015.
(4) 1,200 options currently exercisable and 1,800 options become exercisable in three equal installments of 600 options each on 05/21/2011, 05/21/2012 and 05/21/2013.
(5) 1,200 options currently exercisable and 800 options become exercisable in two equal installments of 400 options each on 11/16/2011 and 11/16/2012.
(6) 1,066 options currently exercisable and 267 options vesting on 05/17/2011.
(7) All options currently exercisable.
(8) The exercise price of these stock options represents the closing price of issuer's common stock on the grant date.

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