Waste Management, Inc. Announces Cash Dividend

Date: August 25, 2006

Source: Waste Management, Inc.

Waste Management, Inc. (NYSE: WMI) announced the declaration of a quarterly cash dividend of $0.22 per share payable September 22, 2006 to stockholders of record on September 5, 2006.

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.

For Further Information:
Waste Management, Inc.
Analysts: Greg Nikkel - 713.265.1358
Media: Lynn Brown - 713.394.5093
Web site: www.wm.com.

(www.wm.com/%5Cwm%5Cinvestor%5Cir2006/20060825_WMI_Announces_Cash_Dividend_(WMI_6-11).pdf)

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