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 *
  Coallier Robert
 2. Date of Event Requiring Statement (Month/Day/Year)
02/09/2005		 3. Issuer Name and Ticker or Trading Symbol
MOLSON COORS BREWING CO [TAP.A; TAP]
(Last)
(First)
(Middle)
C/O MOLSON COORS BREWING COMPANY, 311 10TH STREET, NH311		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Global Chief Bus. Dev. Officer
 5. If Amendment, Date Original Filed(Month/Day/Year)
02/18/2005
(Street)

GOLDEN, CO 80401-0030		 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 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
Employee Stock Option (right to buy) 02/09/2005 04/19/2010 Class B Common Stock 29,999 $ 27.11 D  
Employee Stock Option (right to buy) 02/09/2005 05/17/2011 Class B Common Stock 17,760 $ 50.08 D  
Employee Stock Option (right to buy) 02/09/2005 03/09/2012 Class B Common Stock 18,000 $ 81.89 D  
Employee Stock Option (right to buy) 02/09/2005 05/12/2014 Class B Common Stock 12,600 $ 69.98 D  
Employee Stock Option (right to buy) 02/09/2005 05/02/2013 Class B Common Stock 17,760 $ 71.92 D  
Class B exchangeable shares of Molson Coors Canada Inc. 02/09/2005   (1) Class B Common Stock 50,386 (3) $ (2) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Coallier Robert
C/O MOLSON COORS BREWING COMPANY
311 10TH STREET, NH311
GOLDEN, CO 80401-0030		       Global Chief Bus. Dev. Officer  

Signatures

Annita Menogan as agent for Robert Coallier 03/08/2005
**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) The Class B exchangeable shares are redeemable by a subsidiary of Molson Coors Brewing Company at any time after February 9, 2045, for Molson Coors Brewing Company Class B Common Stock or, for non-affiliates only, the equivalent value in cash.
(2) The shares are convertible on a 1-for-1 basis.
(3) This amendment is being filed to reflect an additional 332 Class B exchangeable shares of Molson Coors Canada Inc. delivered in exchange for shares of Molson Inc. automatically purchased on behalf of the Reporting Person through the Molson Employee Stock Purchase Plan in January 2005.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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