Waste Management Announces Cash Dividend

Houston — August 22, 2013 — Waste Management, Inc. (NYSE: WM) today announced the declaration of a quarterly cash dividend of $0.365 per share payable September 20, 2013 to stockholders of record on September 6, 2013.

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.

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