SIXTH SUPPLEMENTAL INDENTURE

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Exhibit 4.5

SIXTH SUPPLEMENTAL INDENTURE

DATED AS OF June 27, 2008

to

INDENTURE

dated as of September 22, 2005

among

MOLSON COORS CAPITAL FINANCE ULC,

as Issuer,

THE GUARANTORS NAMED THEREIN,

as Guarantors,

THE BANK OF NEW YORK TRUST COMPANY, N.A.,

as U.S. Trustee

and

COMPUTERSHARE TRUST COMPANY OF CANADA

as Canadian Trustee

        SIXTH SUPPLEMENTAL INDENTURE, dated as of June 27, 2008 (this " Sixth Supplemental Indenture "), to the Indenture dated as of September 22, 2005, as supplemented by the First Supplemental Indenture and Second Supplemental Indenture thereto, each dated as of September 22, 2005, the Third Supplemental Indenture thereto dated as of April 10, 2007, the Fourth Supplemental Indenture thereto dated as of February 1, 2008, and the Fifth Supplemental Indenture thereto dated as of May 23, 2008 (collectively, the " Original Indenture " and, together with this Sixth Supplemental Indenture, the " Indenture "), among Molson Coors Capital Finance ULC, a Nova Scotia unlimited liability company (the " Company "), Molson Coors Brewing Company, a Delaware corporation, Coors Brewing Company, a Colorado corporation, Coors Distributing Company, a Colorado corporation, Coors Worldwide, Inc., a Colorado corporation, Coors International Market Development, L.L.L.P., a Colorado limited liability limited partnership, Coors Global Properties, Inc., a Colorado corporation, Coors Intercontinental, Inc., a Colorado corporation, Coors Brewing Company International, Inc., a Colorado corporation, Molson Coors International L.P., 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 "), The Bank of New York Trust Company, N.A., as successor to TD Banknorth, National Association, as U.S. Trustee (the " U.S. Trustee ") and Computershare Trust Company of Canada, a trust company duly incorporated and existing under the laws of Canada, as successor to The Canada Trust Company, as Canadian Trustee (the " Canadian Trustee " and together with the U.S. Trustee, the " Trustees ").

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

        WHEREAS, Coors Distributing Company (" CDC "), a Guarantor, has merged (the " Merger ") with and into Coors Brewing Company (" CBC "), a Guarantor, with CBC being the surviving Person; and

        WHEREAS, Section 5.01(b) of the Indenture requires that when a Guarantor merges with or into another Person, the surviving Person shall expressly assume all of the obligations of such Guarantor, if any, under its Subsidiary Guaranty.

        NOW, THEREFORE, THIS SIXTH SUPPLEMENTAL INDENTURE WITNESSETH:

        That the parties hereto hereby agree as follows:

        Section 1   &nb