1. WASTE MANAGEMENT INC. Organizational Chart / New Direction MGT/521 Management Samuel Cunningham January 14, 2013 Nena Fairbanks, Ian Hosein, Brent Kumorowski

2. Current Organizational Chart Board of Directors W. Robert Reum Non-Executive Chairman David P. Steiner President & C.E.O. Member Bradbury Anderson Member Pastora San Juan Cafferty Member Frank M. Clark, Jr. Member John Pope Member Patrick W. Gross Member Thomas Weidemeyer Member Leadership David P. Steiner President & C.E.O. Waste Management Inc. James C. Fish Jr. Executive VP & C.F.O. Waste Management Inc. James E. Trevathan Executive VP & C.O.O. Waste Management Inc. Puneet Bhasin Senior VP Technology, Logistics & Customer Service Chief Information Officer Barry H. Caldwell Senior VP Public Affairs and Communication Chief Communications Officer Waste Management. (n.d.). Board of Directors. Retrieved 13 January 2012, from http://www.investors.wm.com/phoenix.zhtml?c=119743&p=irol-govboard Waste Management. (n.d.). Leadership. Retrieved 13 January 2012, from http://www.investors.wm.com/phoenix.zhtml?c=119743&p=irol-govmanage Reference John J. Morris, Jr. Senior VP Field Operations Jeff M. Harris Senior VP Field Operations Mark Schwartz Senior VP Human Resources Rick L. Wittenbraker Senior VP General Counsel Chief Compliance Officer William Caesar President WM Recycle America L.L.C. WM Organic Growth, Inc. Mark A. Weidman President Wheelabrator Technologies Inc.

3. Proposed Organizational Chart Board of Directors W. Robert Reum Non-Executive Chairman David P. Steiner President & C.E.O. Member Bradbury Anderson Member Pastora San Juan Cafferty Member Frank M. Clark, Jr. Member John Pope Member Patrick W. Gross Member Thomas Weidemeyer Member Leadership David P. Steiner President & C.E.O. Waste Management Inc. WM Recycle America L.L.C. WM Organic Growth, Inc. James C. Fish Jr. Executive VP & C.F.O. Waste Management Inc. James E. Trevathan Executive VP & C.O.O. Waste Management Inc. Puneet Bhasin Senior VP Technology, Logistics & Customer Service Chief Information Officer Barry H. Caldwell Senior VP Public Affairs and Communication Chief Communications Officer John J. Morris, Jr. Senior VP Field Operations East Division Jeff M. Harris Senior VP Field Operations West Division Mark Schwartz Senior VP Human Resources Rick L. Wittenbraker Senior VP General Counsel Chief Compliance Officer William Caesar Executive VP and C.F.O. WM Recycle America L.L.C. WM Organic Growth, Inc. Mark A. Weidman Executive VP and C.F.O. Wheelabrator Technologies Inc. New Position- C.O.O. Wheelabrator Technologies Inc. New Position-SVP Quality Mngmt. Wheelabrator Technologies Inc. New Position- C.O.O. WM Recycle America L.L.C. WM Organic Growth, Inc. New Position-SVP Quality Mngmt. WM Recycle America L.L.C. WM Organic Growth, Inc.