Waste Management Innovation, Sustainability and Customer Value

Company Overview Page 2©2011 Waste Management

Waste Management 2011 “Green” vs. “Traditional” Services Page 3©2011 Waste Management

We capture a variety of materials Page 4©2011 Waste Management

Waste Management Key Goals and Progress Page 5©2011 Waste Management

OGG Four Platforms of Focus Renewable Energy Utilizing the entire waste stream or converting landfill gases to valuable energy sources Recycling Technology Repurposing segments of the waste stream Consumer Facing & Sustainability Models Promotion of the WM brand, green messaging and sustainability through various retail and/or consumer focused business models Conversion Technologies Converting segments of the waste stream into valuable energy sources Platforms of Focus Platforms of Focus

Innovative Recycling Technologies Page 7©2011 Waste Management

Waste Management Recycling Services Page 8©2011 Waste Management

Single Stream Recycling Single-stream recycling greatly increases participation - on average up to 50 percent more recyclable materials Helps lower costs and emissions by reducing transportation while capturing new volume Employs advanced recycling technology including magnets, screens and optical scanners to automate the sorting of recyclables Improves local recycling programs by increasing capacity while maintaining material quality Page 9©2011 Waste Management

Organics Recycling WM estimates that million tons are organic in nature from the materials we manage (excluding recycled paper, OCC, etc). WM currently manages over 1.25 million tons of organics to beneficial uses including composting, mulch operations WM currently operated 34 Organics Facilities, has two more that will start up in the next several months, and more in the permitting process.

E-Waste Recycling Fastest growing commodity in the waste stream In 2009, WM processed 12 million pounds of e-waste Operate over 200 eCycling collection depots North America, with a goal of having a recycling center within 20 miles of 95 percent of the population Founder of the Basel Action Network’s E-Stewards Program and adopted the R2 standards Page 11©2011 Waste Management

Renewable Energy Solutions Page 12©2011Waste Management

Wheelabrator Technologies Leader in converting household solid waste into electricity 17 plants across the US Produces enough energy to power 650,000 homes, offsetting the need for 7 million barrels of oil Fifth level 18pt Trebuchet Page 13©2011 Waste Management

Landfill-Gas-To-Energy WM’s landfill gas-to-energy plants generate enough energy to power nearly 500,000 homes 129 facilities as of 1 st Q 2011 Page 14©2011 Waste Management

Landfill-Gas-To-Liquids WM formed a joint venture with Linde North America to build the world’s largest plant to convert landfill gas to ultra low- carbon liquefied natural gas Carbon emissions 97% lower than diesel Facility produces 13,000 gallons of LNG a day and helps power our fleet of 900 natural gas trucks in California Fifth level 18pt Trebuchet Page 15©2011 Waste Management

Emerging Conversion Technologies Page 16©2011 Waste Management

We invested in Terrabon in Terrabon uses an an acid fermentation process that converts biomass into organic salts, that can then be converted to a high-octane gasoline Variety of Organics Materials Processed - Residential & Commercial Food Wastes, Yard & Wood Wastes, other Organic Materials Process creates a “green transportation fuel” - can be blended directly into a refiners’ conventional fuel pool, avoiding many of the blending and logistics challenges presented by ethanol Pilot plant currently operating in College Station - in cooperation with Texas A&M University and Valero Terrabon

Harvest Power In 2010, WM invested in Harvest Power, which plans to build “next- generation” organic waste management facilities Harvest Power plans to create clean biogas and nutrient rich compost through anaerobic digestion (biogas to power), composting and finished product marketing –Fifth level 16pt Trebuchet Page 18©2011 Waste Management

S4 Energy Solutions Waste Management and InEntec LLC formed S4 Energy Solutions in 2009 to develop and commercially deploy gasification technologies S4 plasma gasification technology will produce flexible, clean fuels and energy The first S4 facility being constructed in Arlington, Oregon with commissioning beginning in 2011 Page 19©20XX Waste ManagementMonth XX, 20XX

Enerkem Fluidized bed gasification process Construction begun for a 500 tpd plant in Edmonton, Alberta Technology helps convert carbon based waste materials including municipal solid waste, construction and demolition wood as well as agricultural and forest residues Page 20©2010 Waste Management Very flexible conversion of syngas to ethanol in the short run and valuable chemicals

Genomatica Joint development agreement to research and advance the production of chemicals from MSW Create proprietary, specially designed organisms and manufacturing processes to convert syngas into chemical products Potential use for syngas through anaerobic digestion, gasification and landfill gas Page 21©2011Waste Management Month XX, 20XX

Agilyx Agilyx converts low value, hard to recycle and contaminated plastics into a high value, synthetic crude oil. Anaerobic thermal reclamation process that provides an economical and environmentally responsible solution to process mixed plastic resins from industrial and residential waste streams Complements Waste Management’s other recycling and thermal chemical conversion technology platforms Page 22©20XX Waste ManagementMonth XX, 20XX

Our sustainability consultancy services

Sustainability Services Waste Management uses a holistic approach to: Increase waste reduction Lower costs Enhance compliance & safety Meet LEED standards Sustainability Services has saved customers over $60 million.

New Consumer Products Page 25©2011 Waste Management

Bagster Bagster bags are “Dumpsters in a Bag.” They are 3-yard polypropylene collection bags used as an alternative to traditional, metal bins that must be delivered to customers Sold in over 2,500 hardware stores across North America, including Home Depot, Lowes and Rona. Customers fill the bag and then schedule a pickup Page 26©2011 Waste Management

Greenopolis Greenopolis partners with other companies (like PepsiCo) to increase recycling Greenopolis.com posts daily green content and serves as a hub for rewards program 500 digital kiosks allow consumers to recycle on-the-go at gas stations, grocery stores, etc. Users receive points for what they recycle, which can be redeemed for rewards Digital properties attract 1MM visits per month Page 27©2011 Waste Management

MicroGreen Polymers Technology expands plastic and does not involve petrochemical blowing agents or VOCs in manufacturing process Reduces amount of plastic required to produce new products Technology works well with recycled PET Can be used to make recyclable coffee cups, containers, etc. Fifth level 18pt Trebuchet Page 28©2011 Waste Management

Think Green From Home Through mail-back programs, WM allows customers to recycle fluorescent lights, batteries and CFLs without ever leaving their home. Page 29©2011 Waste Management

Solar Compactors Ideal for busy public areas (downtown, parks, malls) Even works with indirect sunlight Low collection costs because they hold up to 5 times the volume of waste Cities can use side panels as billboards to promote local programs Page 30©2011 Waste Management

What we can bring to our neighbors Our closed landfills are reused Ball Fields Golf Courses BMX Bike Trails 100 facilities certified by the Wildlife Habitat Council We have set aside 25,000 acres for wildlife habitat Page 31©2011 Waste Management

“Our opportunities all arise from the sustainability movement.” David Steiner CEO Waste Management Fortune Magazine Dec Page 32©2011 Waste Management

WM 2010 Sustainability Report at Think Green educational site at Greenopolis on Facebook at For more information: Page 33©2011 Waste Management