Waste Management, Inc. (NYSE: WM) announced that it has scheduled an analyst conference call on Thursday, February 16, 2012 at 10:00 a.m. Eastern Time to discuss fourth quarter and full year 2011 financial results. These results are expected to be released before the opening of the market on Thursday, February 16, 2012 and will be available on Waste Management’s website, www.wm.com, after release to the wire services. Certain statements and answers to questions during the conference call may contain “forward-looking statements.” These statements, and all phases of the Company’s operations, are subject to risks and uncertainties, any one of which could cause actual results to differ materially from those described in the forward-looking statements. Investors are reminded that these forward-looking statements must be considered in conjunction with the cautionary warnings and risk factors, which are detailed in Waste Management’s most recent Annual Report on Form 10-K filed with the SEC and available from the Company. What: Waste Management fourth quarter and full year 2011 earnings release conference call When: Thursday, February 16, 2012 at 10:00 a.m. Eastern Time Where: A live audio webcast of the conference call can be accessed by logging onto www.wm.com and selecting “Events and Presentations” in the Investor Relations section of our website. You may also listen to the analyst conference call by telephone by contacting the conference call operator 5-10 minutes prior to the scheduled start time and asking for the “Waste Management Conference Call – Call ID 38143289.” US/Canada Dial-In #: (877) 710-6139. Int'l/Local Dial-In #: (706) 643-7398. Participation will be in listen-only mode. Replay: A replay of the call will be available beginning at approximately 1:00 p.m. ET February 16th through 5:00 p.m. ET on March 1st. To hear a replay of the call over the Internet, access Waste Management’s website at www.wm.com. To hear a telephonic replay of the call, dial (855) 859-2056 or (404) 537-3406 and enter conference code 38143289. ABOUT WASTE MANAGEMENT Waste Management, Inc., based in Houston, Texas, is the leading provider of comprehensive waste management services in North America. Through its subsidiaries, the company provides collection, transfer, recycling and resource recovery, and disposal services. It is also a leading developer, operator and owner of waste-to-energy and landfill gas-to-energy facilities in the United States. The company’s customers include residential, commercial, industrial, and municipal customers throughout North America. To learn more information about Waste Management visit www.wm.com or www.thinkgreen.com.