Filed Pursuant to Rule 424(b)(5)
Registration Number 333-97697
PROSPECTUS SUPPLEMENT
(To Prospectus dated November 20, 2002)
25,000 SHARES
WASTE MANAGEMENT, INC.
COMMON STOCK
Our common stock is listed on the New York Stock Exchange under the trading symbol “WMI.” On
February 27, 2006, the last reported sale price of the common stock on the New York Stock Exchange
was $33.85 per share.
We are issuing the shares directly to a warrant holder upon exercise by such holder of
currently outstanding warrants. The warrants, originally issued in April1996, entitle the holder
to purchase 25,000 shares of our common stock at a purchase price of $24.00 per share. We will use
the proceeds of $600,000 for general corporate purposes.
Investing in the common stock involves risks that are described in the “Risk Factors” section
beginning on page 4 of the prospectus dated November 20, 2002.
NEITHER THE SECURITIES AND EXCHANGE COMMISSION NOR ANY STATE SECURITIES COMMISSION HAS
APPROVED OR DISAPPROVED OF THESE SECURITIES OR PASSED UPON THE ADEQUACY OR ACCURACY OF THIS
PROSPECTUS SUPPLEMENT. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
We expect to deliver the shares against payment therefor in Houston, Texas on or about March
1, 2006.
Prospectus Supplement dated March 1, 2006