EIGHTH SUPPLEMENTAL INDENTURE

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Exhibit 4.3

EIGHTH SUPPLEMENTAL INDENTURE

DATED AS OF June 30, 2008

to

INDENTURE

dated as of May 7, 2002

among

COORS BREWING COMPANY,

as Issuer

THE GUARANTORS NAMED THEREIN,

as Guarantors

and

DEUTSCHE BANK TRUST COMPANY AMERICAS,

as Trustee

        EIGHTH SUPPLEMENTAL INDENTURE, dated as of June 30, 2008 (this " Eighth Supplemental Indenture "), to the Indenture dated as of May 7, 2002, as supplemented by the First Supplemental Indenture thereto dated as of May 7, 2002, the Second Supplemental Indenture thereto dated as of October 3, 2003, the Third Supplemental Indenture thereto dated as of February 17, 2005, the Fourth Supplemental Indenture thereto dated as of April 10, 2007, the Fifth Supplemental Indenture thereto dated as of February 1, 2008, the Sixth Supplemental Indenture thereto dated as of May 23, 2008 and the Seventh Supplemental Indenture thereto dated as of June 27, 2008 (collectively, the " Original Indenture " and, together with this Eighth Supplemental Indenture, the " Indenture "), among Coors Brewing Company, a Colorado corporation (the " Company "), Molson Coors Brewing Company (f/k/a Adolph Coors Company), a Delaware corporation (the " Parent "), Coors Distributing Company, a Colorado corporation, Coors International Market Development, LLLP., a Colorado limited liability limited partnership, Coors Worldwide, Inc., a Colorado corporation, Coors Global Properties, Inc. (f/k/a Coors Caribe, Inc.), a Colorado corporation, Coors International, Inc., a Colorado corporation, Coors Brewing Company International, Inc., a Colorado corporation, Molson Coors Capital Finance ULC, a Nova Scotia unlimited liability company, 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 "), 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 Eighth Supplemental Indenture pursuant to Section 9.01 of the Original Indenture;

        WHEREAS, pursuant to Section 4.06 of the Original Indenture, each of the Parent and the Company shall cause each of its Subsidiaries that guarantees any Senior Debt of the Parent or 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 Administr