1. Energy Efficiency Natural Gas Programs Presented by: Paul Giguere, Manager of Commercial and Industrial Program Elizabeth Cellucci, Director Energy Efficiency Program Columbia Gas of Massachusetts

2. CMA Energy Efficiency Programs 2 Residential New Construction Heating & Water Heating Weatherization Home Energy Assessment Income Eligible Single Family Retrofit Multi Family Retrofit Commercial & Industrial New Construction & Major Renovation RetrofitSmall Business

3. Commercial and Residential Prescriptive Rebate Program Simple rebate process –Install eligible measure –Submit application with proof of installation –Receive rebate Eligible equipment includes –Space heating (boilers and furnaces) –Commercial kitchen equipment –Many others, steam traps, aerators, LF Showerheads, T-Stats 3  2008 Priorities Description

4. Gas Heating and other equipment rebates 4

5. Gas Commercial Kitchen Equipment Rebates 5 High-Efficiency Combination Oven$1000 High-Efficiency Rack Oven$1000 High-Efficiency Conveyor Oven$1000 ENERGY STAR ® Fryer$1000 ENERGY STAR ® Commercial Convection Oven$1000 ENERGY STAR ® Commercial Steamer$1000 ENERGY STAR ® Commercial Griddle$500 High-Efficiency Pre-Rinse Spray Valve$50/ea

6. Custom Incentive Program 6  2008 Priorities Overview

7. Columbia Gas of Massachusetts Energy Efficiency Programs Paul Giguere, Manager, Commercial and Industrial Program pgiguere@nisource.com Elizabeth Cellucci, Director ecellucci@nisource.comecellucci@nisource.com 508-836-7310 Visit online at www.columbiagasma.comwww.columbiagasma.com Click the tab “Ways to Save” 7