Apollo to Sell Remaining Stake of 33 Million Shares of Allied

Date: May 7, 2007

Source: Allied Waste Industries, Inc.

Allied Waste Industries, Inc. Announces Secondary Offering

Allied Waste Industries, Inc. (NYSE: AW), a leading waste services company, today announced that funds affiliated with Apollo Management, L.P. have agreed to sell 32.8 million shares of the Company's common stock in an at-the-market public offering underwritten by Goldman, Sachs & Co. This sale of previously unregistered shares represents 8.9 percent of the current shares outstanding and all of Apollo's interest in Allied Waste. The shares will be offered pursuant to an effective registration statement filed with the Securities and Exchange Commission. The Company will not receive any proceeds from the offering.

A prospectus relating to the offering, when available, may be obtained from Goldman, Sachs & Co., Prospectus Department, 85 Broad Street, New York, New York 10004, Fax: 212-902-9316 or email at prospectus-ny@ny.email.gs.com.

This news release shall not constitute an offer to sell or the solicitation of any offer to buy nor shall there be any sale of these securities in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state.

About Allied Waste Industries, Inc.

Allied Waste is America's second largest non-hazardous solid waste services company and an environmental leader. Headquartered in Phoenix, AZ, Allied Waste provides waste collection, transfer, recycling and disposal services to millions of residential, commercial and industrial customers in over 100 major markets spanning 37 states and Puerto Rico. Our team of 24,000 dedicated employees operates within a highly efficient, integrated organization that generated $6 billion of revenue in 2006.

For more information, visit: www.alliedwaste.com.

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