X0303 4 2010-05-13 0000823768 WASTE MANAGEMENT INC WM 0001028870 RUSH CARL V JR 1001 FANNIN STREET SUITE 4000 HOUSTON TX 77002 1 VP - Organic Growth Phantom Stock Units 2010-05-13 4 A 0 18.3294 0 A 1988-08-08 1988-08-08 Common Stock 18.3294 5839.8047 D Phantom stock units accrued under the Waste Management, Inc. 409A Deferral Savings Plan, a supplemental retirement savings plan. A phantom stock unit is equivalent to one share of Common Stock. These securities generally do not carry a conversion exercise price. Participant's Company stock fund account on any given date may not exactly equal the number of share equivalents represented by a prior balance plus additions due to variables affecting the determination of Company stock fund unit values under the Plan on any such date. Linda J. Smith, Attorney-in-fact 2010-05-14