WASTE MANAGEMENT INC

Securities Trading Plans of Directors and Executive Officers

On September 5, 2026, John J. Morris, Jr., President, adopted a stock trading plan (the “Morris Plan”) intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act. The Morris Plan will commence on February 1, 2027, and will automatically terminate on the earlier of December 31, 2027 and the completion of all the contemplated transactions set forth therein. The Morris Plan provides for the potential sale of up to 67% of net after-tax shares of our common stock received from the payout of performance share unit (“PSU”) equity compensation awards, for the performance period ended December 31, 2026, upon our common stock reaching specified market prices. Mr. Morris received a target grant of 12,164 PSU awards with a performance period ended December 31, 2026; the number of shares to be paid out to Mr. Morris on account of these PSU awards can range from zero to 200% of the initial target grant. As a result, the number of shares of common stock to potentially be sold pursuant to the Morris Plan will be determined in the first quarter of 2027 based on certification by the Management Development and Compensation Committee of the Board of Directors of the Company’s achievement relative to applicable performance measures for the underlying PSU awards.

On September 5, 2026, Michael J. Watson, Senior Vice President and Chief Customer Officer, adopted a stock trading plan (the “Watson Plan”) intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act. The Watson Plan will commence on January 4, 2027, and will automatically terminate on the earlier of December 31, 2027 and the completion of all the contemplated transactions set forth therein. The Watson Plan provides for (i) the potential cashless exercise of up to 8,321 stock options, pursuant to which shares of our common stock will be sold to cover the option exercise price, tax obligations, commission and fees, and the proceeds from the sale of the remaining shares after settlement will be delivered to Mr. Watson and (ii) the potential sale of all net after-tax shares of our common stock received from the payout of PSU equity compensation awards for the performance period ended December 31, 2026. Each of the contemplated transactions will occur upon our common stock reaching specified market prices. Mr. Watson received a target grant of 5,856 PSU awards with a performance period ended December 31, 2026; the number of shares to be paid out to Mr. Watson on account of these PSU awards can range from zero to 200% of the initial target grant. As a result, as described above in connection with the Morris Plan, the number of shares of common stock to potentially be sold pursuant to the Watson Plan will be determined in the first quarter of 2027.

On September 8, 2026, Charles Boettcher, Executive Vice President and Chief Legal Officer, adopted a stock trading plan (the “Boettcher Plan”) intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act. The Boettcher Plan will commence on December 8, 2026, and will automatically terminate on the earlier of December 31, 2027 and the completion of all the contemplated transactions set forth therein. The Boettcher Plan provides for (i) the potential sale of up to 20,000 shares of our common stock and (ii) the potential cashless exercise of three stock option awards totaling 39,654 stock options, pursuant to which shares of our common stock will be sold to cover the option exercise price, tax obligations, commissions and fees, and proceeds from the sale of the remaining shares after settlement will be delivered to Mr. Boettcher. Each of the contemplated transactions will occur upon our common stock reaching specified market prices.