SIXTH SUPPLEMENTAL INDENTURE

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Exhibit 4.9

SIXTH SUPPLEMENTAL INDENTURE

DATED AS OF June 30, 2008

to

INDENTURE

dated as of June 15, 2007

among

MOLSON COORS BREWING COMPANY,

as Issuer

THE GUARANTORS NAMED THEREIN,

as Guarantors

and

DEUTSCHE BANK TRUST COMPANY AMERICAS,

as Trustee

        SIXTH SUPPLEMENTAL INDENTURE, dated as of June 30, 2008 (this " Sixth Supplemental Indenture "), to the Indenture dated as of June 15, 2007, as supplemented by the First Supplemental Indenture thereto dated as of June 15, 2007, the Second Supplemental Indenture thereto dated as of January 31, 2008, the Third Supplemental Indenture thereto dated as of February 1, 2008, the Fourth Supplemental Indenture dated as of May 23, 2008, and the Fifth Supplemental Indenture thereto dated as of June 27, 2008 (the " Original Indenture " and, together with this Sixth Supplemental Indenture, the " Indenture "), among Molson Coors Brewing Company, a Delaware corporation (the " Company "), Coors Brewing Company, a Colorado corporation, Molson Coors Capital Finance ULC, a Nova Scotia unlimited liability company, Coors Distributing Company, a Colorado corporation, Coors International Market Development, L.L.L.P., a Colorado limited liability limited partnership, Coors Global Properties, Inc., a Colorado corporation, Molson Coors International LP, a Delaware limited partnership, CBC Holdco, Inc., a Colorado corporation, MCBC International Holdco, Inc., a Colorado corporation, Molson Coors International General, ULC, a Nova Scotia unlimited liability company, Coors International Holdco, ULC, a Nova Scotia unlimited liability company, Molson Coors Callco ULC, a Nova Scotia unlimited liability company (collectively, the " Guarantors "), and Deutsche Bank Trust Company Americas, a New York banking corporation, as Trustee (the " Trustee ").

        WHEREAS, the Company, the Guarantors and the Trustee are authorized to enter into this Sixth Supplemental Indenture pursuant to Section 9.01 of the Original Indenture;

        WHEREAS, pursuant to Section 4.05 of the Original Indenture, the Company shall cause each of its Subsidiaries that guarantees any Senior Indebtedness of the Company after the Issue Date to, at the same time, execute and deliver to the Trustee a Guaranty Agreement pursuant to which such Subsidiary will guarantee payment of the Securities on the same terms and conditions as those set forth in Article 10 of the Original Indenture; and

        WHEREAS, on June 30, 2008, Molson Canada 2005, a Subsidiary of the Company, agreed to guarantee the obligations under the Credit Agreement dated as of March 2, 2005 among the Company, the Parent, Molson Canada 2005, Molson Inc., Molson Coors Canada Inc. and Coors Brewers Limited, the Lenders party thereto, Wachovia Bank, National Association, as Administrative Agent, Issuing Bank and Swingline Lender, and Bank of Montreal, as Canadian Administrative Agent, Issuing Bank and Swingline Lender, as amended, restated, supplemented or otherwise modified from time to time.

        NOW, THEREFORE, THIS SIXTH SUPPLEMENTAL INDENTURE WITNESSETH:

        That the parties hereto hereby agree as follows:

        Section 1     Defined Terms; Rules of Interpretation.     Capitalized terms used herein and