-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 TKFL/Tl8p3Ygu5fZ8I4+CLBwoGeNAdpJvp5tv1C4byIRcU9Njof8UyWSSvIfmkwZ
 8McfK7Ku1MNlrU+4GTODTQ==

<SEC-DOCUMENT>0001181431-05-019074.txt : 20050330
<SEC-HEADER>0001181431-05-019074.hdr.sgml : 20050330
<ACCEPTANCE-DATETIME>20050330130025
ACCESSION NUMBER:		0001181431-05-019074
CONFORMED SUBMISSION TYPE:	3/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050209
FILED AS OF DATE:		20050330
DATE AS OF CHANGE:		20050330

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MOLSON COORS BREWING CO
		CENTRAL INDEX KEY:			0000024545
		STANDARD INDUSTRIAL CLASSIFICATION:	MALT BEVERAGES [2082]
		IRS NUMBER:				840178360
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			1228

	BUSINESS ADDRESS:	
		STREET 1:		P.O. BOX 4030, MAIL #NH375
		CITY:			GOLDEN
		STATE:			CO
		ZIP:			80401
		BUSINESS PHONE:		3032773271

	MAIL ADDRESS:	
		STREET 1:		311 10TH STREET
		CITY:			GOLDEN
		STATE:			CO
		ZIP:			80401

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COORS ADOLPH CO
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BELLINI FRANCESCO
		CENTRAL INDEX KEY:			0001079174
		STATE OF INCORPORATION:			A8

	FILING VALUES:
		FORM TYPE:		3/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14829
		FILM NUMBER:		05712883

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		4509787751

	MAIL ADDRESS:	
		STREET 1:		BIOCHEM PHARMA INC
		STREET 2:		275 ARMAND FRAPPIER BLVD LAVAL QUEBEC
		CITY:			CANADA
		STATE:			A8
</SEC-HEADER>
<DOCUMENT>
<TYPE>3/A
<SEQUENCE>1
<FILENAME>rrd73495.xml
<DESCRIPTION>2ND AMEND TO INITIAL FORM 3 (FEBRUARY 2005)
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2005-02-09</periodOfReport>

    <dateOfOriginalSubmission>2005-02-18</dateOfOriginalSubmission>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000024545</issuerCik>
        <issuerName>MOLSON COORS BREWING CO</issuerName>
        <issuerTradingSymbol>TAP.A; TAP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001079174</rptOwnerCik>
            <rptOwnerName>BELLINI FRANCESCO</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MOLSON COORS BREWING COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>311 10TH STREET, NH 311</rptOwnerStreet2>
            <rptOwnerCity>GOLDEN</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80401-0030</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>82.27</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2005-02-09</value>
            </exerciseDate>
            <expirationDate>
                <value>2013-06-26</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>407</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Class B exchangeable shares of Molson Coors Canada Inc.</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2005-02-09</value>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>14419</value>
                    <footnoteId id="F3"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">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 in cash.</footnote>
        <footnote id="F2">The shares are convertible on a 1-for-1 basis.</footnote>
        <footnote id="F3">This amendment is being filed to correct the number of Class B exchangeable shares held by the Reporting Person, which was erroneously reported as 15,528 Class B exchangeable shares instead of the correct number of 14,419 Class B exchangeable shares.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Annita Menogan as agent for Francesco Bellini</signatureName>
        <signatureDate>2005-03-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----