WASTE MANAGEMENT INC

Waste Management, Inc. is a holding company and all operations are conducted by its subsidiaries. When the terms the Company, we, us or our are used in this document, those terms refer to Waste Management, Inc., together with its consolidated subsidiaries and consolidated variable interest entities. When we use the term WMI, we are referring only to Waste Management, Inc., the parent holding company. WMI was incorporated in Oklahoma in 1987 under the name USA Waste Services, Inc. and was reincorporated as a Delaware company in 1995. In a 1998 merger, the Illinois-based waste services company formerly known as Waste Management, Inc. became a wholly-owned subsidiary of WMI and changed its name to Waste Management Holdings, Inc. ( WM Holdings ). At the same time, our parent holding company changed its name from USA Waste Services to Waste Management, Inc. Like WMI, WM Holdings is a holding company and all operations are conducted by subsidiaries. Our principal executive offices are located at 800 Capitol Street, Suite 3000, Houston, Texas 77002. Our telephone number is (713) 512-6200. Our website address is www.wm.com. Our annual reports on Form 10-K, quarterly reports on Form 10-Q and current reports on Form 8-K are all available, free of charge, on our website as soon as practicable after we file the reports with the SEC. Our stock is traded on the New York Stock Exchange under the symbol WM. We are North America’s leading provider of comprehensive environmental solutions, providing services throughout the United States ( U.S. ) and Canada.