WASTE MANAGEMENT INC

Securities Trading Plans of Directors and Executive Officers

On May 20, 2025, Tara J. Hemmer, Senior Vice President and Chief Sustainability Officer, adopted a written net share settlement plan (the “Hemmer Plan”). The Hemmer Plan went into effect on the date of adoption andwas not intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act. The Hemmer Plan provided that, upon our common stock reaching specified market prices on or before June 5, 2025, the Company would exercise up to 53,429 stock options and withhold shares of common stock necessary to cover the option exercise price and tax obligations. The options were automatically exercised pursuant to the terms of the Hemmer Plan and all remaining shares of common stock resulting from the option exercises after the net share settlement process were delivered to Ms. Hemmer.

On May 30, 2025, Charles Boettcher, Executive Vice President and Chief Legal Officer, adopted a written net share settlement plan (the “Boettcher Plan”). The Boettcher Plan went into effect on the date of adoption andwas not intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act. The Boettcher Plan provided that, upon our common stock reaching specified market prices on or before June 6, 2025, the Company would exercise up to 15,072 stock options and withhold shares of common stock necessary to cover the option exercise price and tax obligations. The options were automatically exercised pursuant to the terms of the Boettcher Plan and all remaining shares of common stock resulting from the option exercises after the net share settlement process were delivered to Mr. Boettcher.