1. GrowSmart Summit
October, 2012
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2.  Summit Utilities, Inc. (SUI) is a leader in the natural gas utility industry through
its strategy of expanding natural gas distribution service to un-served areas.
 SUI currently manages approximately $260M in assets through its subsidiaries in
Colorado, Missouri and Maine.
 SUI is wholly-owned by the Infrastructure Investments Fund, a private equity
fund advised by JP Morgan Asset Management
Infrastructure Investment
Fund
(IIF)
Summit Utilities, Inc.
(Holdings Company)
Summit Natural Gas of Maine, Summit Natural Gas of Summit Utilities Management
Colorado Natural Gas, Inc. Summit Gas Transmission, Inc. Wolf Creek Energy, LLC.
Inc. Missouri, Inc. Services, LLC
(Distribution) (Transmission) (Gas Supply)
(Distribution) (Distribution) (Contract Services)
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3. SUI Key Facts
 Summit Utilities, Inc. was formed in 2004 to be the holding company for the operating
utilities and related companies.
 Colorado Natural Gas, Inc. (CNG) was founded in 1997 to provide natural gas service
to the mountain communities west of Denver and Colorado Springs.
 2012 customer count is 19,000
 2012 natural gas throughput is over 1.7 billion cubic feet (BCF)
 Over 890 miles of natural gas mains installed since 1997
 Summit Natural Gas of Missouri, Inc. was founded in 2004 when the municipal-
owned gas systems in Gallatin and Hamilton, Missouri were purchased.
 2012 customer count is approximately 15,000
 2012 natural gas throughput is over 2.6 BCF in 2012
 Over 400 miles of natural gas mains installed since 2004
 Acquired the Southern Missouri Natural Gas system on January 1, 2012
 Wolf Creek Energy, LLC, founded in 1997 provide gas procurement and supply
services to the large transportation customers of Colorado Natural Gas, Inc.
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4. Summit Natural Gas of Maine
 Summit Natural Gas of Maine, Inc. was founded in 2012 in
order to pursue the opportunities we have identified in
Maine:
 The Kennebec Valley:
 15,000 homes and businesses on gas by the 4th year
 Savings to our customers of $40,000,000 per year
 The Penobscot Valley and Aroostook County
 10,000 homes and businesses on gas by the 4th year
 Savings to our customers of $25,000,000 per year
 Rockland area and the Mid-Maine Coast
 Yarmouth, Falmouth, Cumberland
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5. 21st Century Infrastructure: Key decisions
today will impact our
economy, environment and
communities. What’s ahead in
broadband, natural gas lines and
transmission lines for renewable electricity
sources?
What's on the horizon at the intersection of
Maine's economy, community, environment?
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6. Maine’s Economy
 Natural Gas service will:
 Strengthen the competitive position of Maine
companies in the world markets
 Save 40% of heating costs relative to #2 Fuel Oil
 Bring approximately $10,000 of investment in the
utility for each customer
 Bring approximately $5,000 of additional work for
the HVAC industry for conversions from oil to gas
 Create hundreds of new jobs
 Reduce our dependence on foreign oil
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7. Maine’s Communities
 Natural Gas service will:
 Reduce required government assistance (LIHEAP)
for heating assistance for low-income residents
 Reduce heavy truck traffic on our roads
 Increase local property tax revenues
 Lower operating costs for schools, hospitals, other
community buildings
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8. Maine’s Environment
 Natural Gas service will:
 Reduce the carbon footprint of all who convert from fuel
oil or propane
Fuel Kg CO2 /mmbtu Percent Reduction
Residual Oil (#6) 78.80 33%
Distillate Oil (#2 Heating Oil) 73.15 28%
Kerosene 72.31 27%
Propane 63.10 16%
 Reduce the potential for environmentally disastrous
incidents from spills
 Provide the infrastructure support for the conversion to
natural gas fueled vehicles
 Improve indoor air quality
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9. American Gas Association
The Promise of Natural Gas
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10. The Promise of
Natural Gas
• America has seen a fundamental shift in
the natural gas marketplace
• Technological advances, a newly accessible
and abundant domestic resource, and an
extensive delivery infrastructure make
natural gas the foundation fuel for our
economy
• This abundance of home-grown natural gas
provides an opportunity to satisfy significant
new demand at affordable prices well into
the future
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11. Domestic Abundance

12. Supporting Increases in
Demand
Natural Gas Supply Natural Gas Use
90.0 90.0
80.0 80.0
70.0 70.0
60.0 60.0
50.0 50.0
40.0 40.0
30.0 30.0
20.0 20.0
2012
2013
2012
2014
2013
10.0 10.0
2015
2014
2016
2015
2016
2017
2017
2018
2018
-
2019
0.0
2019
2020
2020
2021
2021
2022
2022
Conventional Associated Residential Commercial
Coal Bed Methane Tight Industrial Power
Shale Pipeline Net Imports Other LNG Net Exports
Source: Wood Mackenzie Spring 2012.

13. A Future of Market
Stability
Relative natural
Henry Hub Spot Price
gas market
$2011/MMBtu stability during the
next ten years —
12 an outlook that
Historical Prices
supports
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High and Low responsible
Base Case
Demand
resource
development and
8 reflects continued
advancements in
6 extraction and
impacts
4
technology
2
-
1994 1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 2018 2020 2022
Source: Wood Mackenzie Spring 2012.
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14. Investing in our Energy
Future

15. Southern Missouri
Natural Gas
 In 2011, SUMS took over management of the SMNG
System Infill Project
 $13MM project completed on time and under budget
 Original Scope 1775 new customers, currently
marketing has signed up 2086 new customers and 1800
new service lines have been installed
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