THE CORPORATE LIBRARY

Related Party Transactions and Outside Related Director Information

Waste Management, Inc. (WMI)

3/28/2006 Proxy Information

No related party transactions or special transactions reported for this company. Director relationships marked "Outside Related" at this firm will most often be former executives of the company. Additional information regarding these relationships will be added during our regular updates.

4/6/2005 Proxy Information

Cherie C. Rice, our Vice President — Finance and Treasurer, is engaged to Jerome M. Kruszka, President and Chief Operating Officer of Waste Corporation of America (“WCA”), one of our competitors. In 2000, we sold approximately $110 million of assets to WCA and, as part of the transaction, WCA issued us a promissory note in the aggregate principal amount of approximately $11 million. The note, which was paid in full in June 2004, was an unsecured obligation and accrued interest at the rate of 8.5% per annum until maturity. From time to time, the Company and WCA may provide waste disposal services to each other. Neither Ms. Rice nor Mr. Kruszka have a direct interest in any of the transactions described; however, as executive officers of their respective companies, they each are deemed to have an indirect interest in such transactions.

4/8/2004 Proxy Information

During 2003, Carl Vogt, a member of our Board of Directors, was “of counsel” to Fulbright & Jaworski L.L.P. We have retained Fulbright & Jaworski L.L.P. to provide legal services for several years, including the years in which Mr. Vogt has served as a director. Mr. Vogt has had no involvement with, or knowledge of, the services provided to the Company by Fulbright & Jaworski, L.L.P., nor did he receive any compensation in connection with the services provided. The amount of legal fees paid to Fulbright & Jaworski L.L.P. did not exceed one percent of the firm’s gross revenues for any fiscal year in which Mr. Vogt has been a member of the Board, and therefore is not considered material. Mr. Vogt terminated his “of counsel” relationship with Fulbright & Jaworski L.L.P. on April 1, 2004, and has no further professional relationship with the firm.

Cherie C. Rice, our Vice President and Treasurer, is engaged to be married to Jerome M. Kruszka, President and Chief Operating Officer of Waste Corporation of America (“WCA”), one of our competitors. In 2000, we sold approximately $110 million of assets to WCA and, as part of the transaction, WCA issued us a promissory note in the aggregate principal amount of approximately $11 million. The note, which is due in October 2005, is an unsecured obligation and accrues interest at the rate of 8.5% per annum until maturity. At December 31, 2003, approximately $13.6 million was owed on the note. Additionally, in 2003, we transacted over $1 million of business with WCA, including approximately $950,000 of disposal fees we paid to them and $150,000 of disposal fees they paid to us. Neither Ms. Rice nor Mr. Kruszka have a direct interest in any of the transactions described; however, as executive officers of their respective companies, they each are deemed to have an indirect interest in such transactions.

4/4/2003 Proxy Information

Mr. Carl Vogt, a member of the Board of Directors, is "Of Counsel" to Fulbright & Jaworski L.L.P., a nationally and internationally based law firm. During 2002 we retained Fulbright & Jaworski L.L.P. to provide legal services. The amount of legal fees paid to Fulbright & Jaworski L.L.P. did not exceed 5% of the law firm's gross revenues for its last fiscal year, and is, therefore, not considered material.