Waste Management SVP and CFO Robert G. Simpson to Retire as of September 30, 2011

Press Release Source: Waste Management, Inc. On Wednesday June 8, 2011, 7:00 am EDT

HOUSTON–(BUSINESS WIRE)– Waste Management, Inc. (NYSE:WM – News) today announced that senior vice president (SVP) and chief financial officer (CFO) Robert G. Simpson intends to retire as of Sept. 30, 2011. Anticipating that Bob wanted to retire, the company has been conducting a search for a new CFO, and expects that the position will be filled before Bob’s Sept. 30 retirement in order to make an orderly transition.

Simpson’s career spans several major companies from Kraft to Phillip Morris. He joined Waste Management from Tenneco. He has responsibility for the financial affairs of the company, including financial reporting, treasury, tax and financial analysis. Previously he was the company’s senior vice president, chief accounting officer and vice president, tax.

“Bob has played a pivotal role in the success of the company. He has had a steady hand on our financial affairs and operations and has helped us build the strategy we are pursuing today,” said David Steiner, President and CEO of Waste Management. “We value his years of service, his skill and his wit. We’ll miss him and wish him well in retirement.”

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 the largest residential recycler in North America and 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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