At the Annual Meeting of Waste Management, Inc. (the "Company") held on May 10, 2012, a total of 414,117,241 shares of the Company's common stock, out of a total of 462,671,022 shares of common stock outstanding and entitled to vote, were present in person or represented by proxies. The proposals set forth below were voted on by the Company's stockholders at the Annual Meeting, and each of proposals 1, 2, 3 and 4 were approved by the Company's stockholders. Both of stockholder proposal 5 and stockholder proposal 6 were not approved by the Company's stockholders.

1. Election to the Company's Board of Directors of the following nine director nominees:

                                       Number of             Number of                              Broker
             Name                  Affirmative Votes       Negative Votes       Abstentions       Non-Votes
Bradbury H. Anderson                      339,215,730            4,786,877           349,357       68,701,558
Pastora San Juan Cafferty                 335,674,347            8,320,799           356,818       68,701,558
Frank M. Clark, Jr.                       339,090,347            4,913,589           348,028       68,701,558
Patrick W. Gross                          294,102,175           49,750,409           499,380       68,701,558
John C. Pope                              321,321,852           22,653,560           376,552       68,701,558
W. Robert Reum                            339,081,658            4,885,153           385,153       68,701,558
Steven G. Rothmeier                       334,275,985            9,684,600           391,379       68,701,558
David P. Steiner                          335,898,819            8,064,031           389,114       68,701,558
Thomas H. Weidemeyer                      341,396,061            2,600,450           355,453       68,701,558

2. Ratification of the appointment of Ernst & Young LLP as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2012:

For Against Abstentions 408,070,676 4,543,762 439,084

3. Approval, by non-binding vote, of the Company's executive compensation as described in the Company's 2012 proxy statement:

For Against Abstentions Broker Non-Votes 330,944,617 10,250,721 3,156,626 68,701,558

4. Approval of an amendment to the Company's Employee Stock Purchase Plan to increase the number of shares authorized for issuance under the Plan:

For Against Abstentions Broker Non-Votes 339,353,603 4,432,316 566,045 68,701,558

5. Stockholder proposal relating to a stock retention policy requiring senior executives to retain a significant percentage of stock acquired through equity pay programs until one year following termination of employment:

For Against Abstentions Broker Non-Votes 81,103,153 262,359,192 889,619 68,701,558

For Against Abstentions Broker Non-Votes 15,488,145 328,040,374 823,445 68,701,558