1. Click to edit master title style The Regional Energy Challenge for ACEC/NHDOT April 7, 2016

2. Click to edit master title style Usource Overview Delivering energy procurement and cost management solutions ►1,200 clients in 18 states ►4 billion kWh under management (equivalent to 370,000 homes) ►12 Bcf gas under management (equivalent to 120,000 homes) ►90% client retention rate ►Subsidiary of Unitil Corporation (NYSE: UTL), a $500M publicly- traded energy company Electric and gas clients Gas only clients 2

3. Click to edit master title style What’s all the Fuss About? 3 Source: State of the Grid 2016, Gordon van Welie, CEO ISO-NE

4. Click to edit master title style Why Should I Care? 4 Source: Union Leader, January 10, 2016 Source: Union Leader, March 17, 2016

5. Click to edit master title style How Bad Can It Really Be?  Dramatically increased reliance on natural gas in region has created new, higher market demands  Minimal pipeline capacity limits business’ ability to benefit from lower commodity prices  Pipeline space is priced at a premium and all non-interruptible service is spoken for New Hampshire $30.02/Dth Peak day price 2015 New York $3.83/Dth Peak day price 2015

6. Click to edit master title style Natural Gas Projects: Under Construction or Proposed

7. Click to edit master title style PNGTS Continent to Coast (C2C) 7 Continent to Coast (C2C) ► No-build capacity ► 100,000 Dekatherms of gas daily ► 2017 Completion Capacity Offer ► Last no-build capacity ► 100,000 Dekatherms of gas daily ► 2018 Completion Incremental Capacity ► Require looping & compression ► 500,000 Dekatherms of gas daily ► Scalable Increments: 2018/2019 Completion

8. Click to edit master title style Spectra Energy: Three Projects 8 Algonquin Incremental Market ► Capacity for thermal load ► 342,000 Dekatherms of gas daily ► Nov 2016 Completion Access Northeast ► Capacity for electric generation ► 925,000 Dekatherms of gas daily ► Late 2018 Completion Atlantic Bridge ► Additional capacity on Maritimes & Northeast Pipeline ► 132,000 Dekatherms of gas daily ► Nov 2017 Completion

9. Click to edit master title style Kinder Morgan 9 Northeast Energy Direct ► Capacity for thermal and electric generation requirements ► Supply path scalable to 1.2 Bcf per day, market path scalable to 1.3 Bcf per day ► Late 2018 Completion

10. Click to edit master title style Natural Gas: Serving the Off-Pipeline Market

11. Click to edit master title style CNG: For Off-Pipeline Facilities… 11

12. Click to edit master title style …And For Fleets 12

13. Click to edit master title style Electric Transmission Projects

14. Click to edit master title style Transmission Projects: VT, NH & ME 14 The Northeast Energy Link ► 1,100 MW HVDC ► Renewable energy from Maine and Canada ► 2018 in-service New England Clean Power Link ► 1,000 MW HVDC transmission line ► Hydro Power from Canada ► 2019 in-service Northern Pass ► 1,090 MW ► Hydro power from Canada ► 2018 in-service

15. Click to edit master title style Stay Informed 15 www.UsourceEnergy.com LinkedIn: Usource