UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934 (Amendment No.     )

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Waste Management, Inc.
(Name of Registrant as Specified In Its Charter)
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)
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*** Exercise Your Right to Vote *** Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting to Be Held on May 14, 2019. WASTE MANAGEMENT, INC. You are receiving this communication because you hold shares in the company named above. This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of WASTE MANAGEMENT, INC. 1001 FANNIN STREET HOUSTON, TX 77002 the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side). We encourage you to access and review all of the important information contained in the proxy materials before voting. proxy materials and voting instructions. E65946-P16748 See the reverse side of this notice to obtain Meeting Information Meeting Type:Annual Meeting For holders as of:March 19, 2019 Date: May 14, 2019Time: 11:00 a.m. CT Location: The Maury Myers Conference Center Waste Management, Inc. 1021 Main Street Houston,Texas 77002

Before You Vote How to Access the Proxy Materials Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (located on the by the arrow XXXX XXXX XXXX XXXX (located on the following page) in the subject line. How To Vote Please Choose One of the Following Voting Methods marked by the arrow XXXX XXXX XXXX XXXX (located on the following page) available and follow the instructions. E65947-P16748 Vote In Person: Many stockholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares. Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card. Proxy Materials Available to VIEW or RECEIVE: Combined Proxy Statement and Annual Report on Form 10-K How to View Online: following page) and visit: www.proxyvote .com. How to Request and Receive a PAPER or E-MAIL Copy: If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request: 1) BY INTERNET:www.proxyvote.com 2) BY TELEPHONE: 1-800-579-1639 3) BY E-MAIL*:sendmaterial@proxyvote.com * If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before April 30, 2019 to facilitate timely delivery.

The Board of Directors recommends you vote FOR each of the nominees in item 1 and FOR proposals 2 and 3: 2. Ratification of the appointment of Ernst & Young LLP as the independent registered public accounting firm for 2019. 1. Election of Directors Nominees: 1a. Frank M. Clark, Jr. 3. Approval of our executive compensation. The Board of Directors recommends you vote AGAINST proposal 4: 1b. James C. Fish, Jr. 1c. Andrés R. Gluski 4. Stockholder proposal regarding a policy restricting accelerated vesting of equity awards upon a change in control, if properly presented at the meeting. 1d. Patrick W. Gross NOTE: In their discretion, upon such other matters that may properly come before the meeting or any adjournment or adjournments thereof. 1e. Victoria M. Holt 1f. Kathleen M. Mazzarella 1g. John C. Pope 1h. Thomas H. Weidemeyer E65948-P16748 Voting Items

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