1. Green Building – Monterey, CA January 2011

3. NATIONAL PRESENCE IN KEY METROPOLITAN/ GOVERNMENT TARGET MARKETS Allentown, PA San Jose, CA Lee, MA Greensboro, NC Charlotte, NC Locust, NC Saddle Brook, NJ Redmond, WA Salt Lake City, UT Elk Grove Village, IL Ventura, CA San Diego, CA Glendora, CA New York, NY Austin, TX 400+ employees in 23 offices By Function Denver, CO Phoenix, AZ Dallas, TX South Plainfield, NJ Bronx, NY Buffalo, NY Emeryville, CA Hilo, HI

4. LED lighting Fluorescent office lights Warehouse high-bay Exterior decorative and parking lot lighting Water saving fixtures Insulation / Weatherization Window Film Building Envelope Mechanical & Electrical Efficiency Photovoltaic Solar thermal Wind LIME ENERGY NATIONWIDE SERVICES Investment-grade audits and engineering Regional Construction & Installation Services Lime Energy implements Renewable Energy Solutions when appropriate for our customers. Water Efficiency & Weatherization Energy Efficient Lighting Central plant boilers and chillers Controls and Monitoring Energy Productivity Fire safety Security Energy Engineering Solar Scoping studies

7. DELIVERY PROCESS PERFORMANCE PERIOD Opportunity Assessment IMPLEMENTATION DEVELOPMENT ORIGINATION Site Survey Conceptual Design Final Cost & Scope Execute scope of work Demonstrate ROI Handle documentation for rebates and incentives Provide ongoing energy use monitoring

14. WHY LIME ENERGY? Extensive Intellectual Capital & Technical Expertise Independent Service Provider Using Best-of-Breed Technologies Financing and Rebate Procurement Capabilities National Service Capabilities Diversified Across Service Lines and End Markets