Final Reminder: Employee Stock Purchase Plan enrollment ends May 31

HOUSTON Don’t miss out on your opportunity to enroll or change your election in the Employee Stock Purchase Plan (ESPP). This benefit offers you an easy way to buy shares of Waste Management common stock at a discount. As a stockholder, you share in the company’s potential future growth and profitability. The 2014 Mid-Year ESPP Enrollment is open until May 31. To enroll, change your election or view the prospectus, go to www.mywmtotalrewards. com. If you have questions, please contact the Benefits Center at 1-800-964-3373.