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 *
COORS PETER H
  2. Issuer Name and Ticker or Trading Symbol
MOLSON COORS BREWING CO [TAP.A; TAP]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
Vice Chairman of the Board
(Last)
(First)
(Middle)
C/O MOLSON COORS BREWING COMPANY, 1225 17TH STREET, SUITE 3200
3. Date of Earliest Transaction (Month/Day/Year)
05/18/2006
(Street)

DENVER, CO 80202
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
Class B Common Stock 05/18/2006   A   5,500 A $ 0 (1) 219,639 D  
Class B Common Stock               1,470,000 I by the Adolph Coors Jr. Trust (2)
Class B Common Stock               262.41 I by 401(k)
Class B Common Stock               532 I by spouse (3)
Class A Common Stock               1,260,000 I by Adolph Coors Jr. Trust (2)

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
Employee Stock Option (Right to Buy) $ 74.355               (4) 05/12/2005 Class B Common Stock 125,000   125,000 D  
Employee Stock Option (Right to Buy) $ 65.32             02/12/2005(5) 02/12/2014 Class B Common Stock 125,000   125,000 D  
Employee Stock Option (Right to Buy) $ 49.015               (4) 02/12/2013 Class B Common Stock 125,000   125,000 D  
Employee Stock Option (Right to Buy) $ 56               (4) 02/14/2012 Class B Common Stock 125,000   125,000 D  
Employee Stock Option (Right to Buy) $ 69.095               (4) 02/16/2011 Class B Common Stock 125,000   125,000 D  
Employee Stock Option (Right to Buy) $ 48.4375               (4) 02/17/2010 Class B Common Stock 76,645   76,645 D  
Employee Stock Option (Right to Buy) $ 51.5938               (4) 01/03/2010 Class B Common Stock 71,956   71,956 D  
Employee Stock Option (Right to Buy) $ 59.25               (4) 02/16/2009 Class B Common Stock 17,403   17,403 D  
Employee Stock Option (Right to Buy) $ 56.8438               (4) 01/04/2009 Class B Common Stock 45,348   45,348 D  
Employee Stock Option (Right to Buy) $ 33.4063               (4) 01/02/2008 Class B Common Stock 71,448   71,448 D  
Employee Stock Option (Right to Buy) $ 65.33 05/18/2006   A   45,000   05/17/2007(5) 05/17/2016 Class B Common Stock 45,000 $ 0 45,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
COORS PETER H
C/O MOLSON COORS BREWING COMPANY
1225 17TH STREET, SUITE 3200
DENVER, CO 80202
  X     Vice Chairman of the Board

Signatures

 Laura L. McGee as agent for Peter H. Coors   05/19/2006
**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) Mr. Coors was granted an award of restricted stock, which will vest in full on the third anniversary of the date of grant.
(2) Mr. Coors is one of five Trustees of the Adolph Coors Jr. Trust.
(3) Mr. Coors no longer has a reportable beneficial interest in 3,123 shares, which were formerly reported as owned indirectly by children.
(4) This option is fully vested and exercisable.
(5) This option vests in three equal annual installments beginning on the first anniversary of the grant date.

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