X0305 4 2012-05-13 0000024545 MOLSON COORS BREWING CO TAP 0001439263 Glendinning Stewart 1225 17TH STREET SUITE 3200 DENVER CO 80202 1 Chief Financial Officer Class B Common Stock 2012-05-13 4 A 0 12097.0000 0.0000 A 79469.0000 D Class B Common Stock 2012-05-13 4 F 0 3898.0000 41.3200 D 75571.0000 D Class B Common Stock 2012-05-14 4 F 0 1702.0000 40.9300 D 73869.0000 D Represents shares of Class B common stock issued to the reporting person in exchange for performance units (PUs) granted on 5/14/09 under the Molson Coors Brewing Company Incentive Compensation Plan. The PUs vested in accordance with their terms upon the achievement of certain specified performance goals applicable to such PUs. Represents shares of Class B common stock withheld in lieu of cash payment for applicable taxes in connection with the vesting of PUs issued to the reporting person on 5/14/09 as reported in this Form 4. Represents shares of Class B common stock withheld in lieu of cash payment for applicable taxes in connection with the vesting of previously reported RSUs issued to the reporting person on 5/14/09. Margaret A. Beck, by Power of Attorney 2012-05-15