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 *
  Trust u/w/o Thomas Henry Pentland Molson
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 THE ROYAL TRUST COMPANY, 1 PACE VILE MARE
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
See remarks
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

MONTREAL, A8 H3B 3L5
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)
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

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
Class A exchangeable shares of Molson Coors Canada Inc. 02/09/2005   (1) Class A Common Stock 6,964 $ (4) I By BAX Investments Limited (5)
Class A Common Stock (3) 02/09/2005   (2) Class B Common Stock 6,964 $ (4) I By BAX Investments Limited (5)
Class A exchangeable shares of Molson Coors Canada Inc. 02/09/2005   (1) Class A Common Stock 7,720 $ (4) I By DJS Holdings Ltd. (6)
Class A Common Stock (3) 02/09/2005   (2) Class B Common Stock 7,720 $ (4) I By DJS Holdings Ltd. (6)
Class B exchangeable shares of Molson Coors Canada Inc. 02/09/2005   (1) Class B Common Stock 279,392 $ (4) I By BAX Investments Limited (5)
Class B exchangeable shares of Molson Coors Canada Inc. 02/09/2005   (1) Class B Common Stock 143,698 $ (4) I By 6339522 Canada Inc. (7)
Class B exchangeable shares of Molson Coors Canada Inc. 02/09/2005   (1) Class B Common Stock 279,401 $ (4) I By DJS Holdings Ltd. (6)
Class B exchangeable shares of Molson Coors Canada Inc. 02/09/2005   (1) Class B Common Stock 145,092 $ (4) I By 6339549 Canada Inc. (8)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Trust u/w/o Thomas Henry Pentland Molson
C/O THE ROYAL TRUST COMPANY
1 PACE VILE MARE
MONTREAL, A8 H3B 3L5
      See remarks

Signatures

/s/ Eric Herbert Molson as Trustee of the Trust u/w/o Thomas Henry Pentland Molson 02/16/2005
**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 the corresponding class of Molson Coors Common Stock or, for non-affiliates only, the equivalent value in cash.
(2) No expiration date.
(3) These shares of Class A Common Stock are not outstanding, but are issuable upon conversion of the Class A exchangeable shares of Molson Coors Canada Inc.
(4) These shares are convertible on a 1-for-1 basis.
(5) These shares are owned directly by BAX Investments Limited, which is controlled by the reporting person.
(6) These shares are owned directly by DJS Holdings Ltd., which is controlled by the reporting person.
(7) These shares are owned directly by 6339522 Canada Inc., a wholly owned subsidiary of BAX Investments Ltd.
(8) These shares are owned directly by 6339549 Canada Inc., which is a wholly owned subsidiary of DJS Holdings Ltd.
 
Remarks:
The reporting person may be deemed to be a member of a Section 13(d) group that owns more than 10% of the issuer's 
outstanding Class A Common Stock, but disclaims membership in any such group and beneficial ownership of any securities held 
by the other members of such a group.

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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