Document:

<PAGE>

                                                     SERVICE AGREEMENT NO. 79616
                                                     CONTROL NO. 2004-05-26-0009

                              SST SERVICE AGREEMENT

THIS AGREEMENT, made and entered into this 16th day of August, 2004 by and
between:

     Columbia Gas Transmission Corporation
     ("Transporter")
     AND
     PG Energy Inc
     ("Shipper")

WITNESSETH: That in consideration of the mutual covenants herein contained, the
parties hereto agree as follows:

Section 1. Service to be Rendered. Transporter shall perform and Shipper shall
receive service in accordance with the provisions of the effective SST Rate
Schedule and applicable General Terms and Conditions of Transporter's FERC Gas
Tariff, Second Revised Volume No. 1 (Tariff), on file with the Federal Energy
Regulatory Commission (Commission), as the same may be amended or superseded in
accordance with the rules and regulations of the Commission. The maximum
obligation of Transporter to deliver gas hereunder to or for Shipper, the
designation of the points of delivery at which Transporter shall deliver or
cause gas to be delivered to or for Shipper, and the points of receipt at which
Shipper shall deliver or cause gas to be delivered, are specified in Appendix A,
as the same may be amended from time to time by agreement between Shipper and
Transporter, or in accordance with the rules and regulations of the Commission.
Service hereunder shall be provided subject to the provisions of Part 284, 223
of Subpart G of the Commission's regulations. Shipper warrants that service
hereunder is being provided on behalf of Shipper.

Section 2. Term. Service under this Agreement shall commence as of April 1,
2005, and shall continue in full force and effect until March 31, 2010.
Pre-granted abandonment shall apply upon termination of this Agreement, subject
to any right of first refusal Shipper may have under the Commission's
regulations and Transporter's Tariff.

Section 3. Rates. Shipper shall pay Transporter the charges and furnish
Retainage as described in the above-referenced Rate Schedule, unless otherwise
agreed to by the parties in writing and specified as an amendment to this
Service Agreement. Transporter may agree to discount its rate to Shipper below
Transporter's maximum rate, but not less than Transporter's minimum rate. Such
discounted rate may apply to: a) specified quantities (contract demand or
commodity quantities); b) specified quantities above or below a certain level or
all quantities if quantities exceed a certain level; c) quantities during
specified time periods; d) quantities at specified points, locations, or other
defined geographical areas; and e) that a specified discounted rate will apply
in a specified relationship to the quantities actually transported (i.e., that
the reservation charge will be adjusted in a specified relationship to
quantities actually transported). In addition, the discount agreement may
include a provision that if one rate component which was at or below the
applicable maximum rate at the time the discount agreement was executed
subsequently exceeds the applicable maximum rate due to a change in
Transporter's maximum rate so that such rate component must be adjusted downward
to equal the new applicable maximum rate, then other rate components may be
adjusted upward to achieve the agreed overall rate, so long as none of the
resulting rate components exceed the maximum rate applicable to that rate
component. Such changes to rate components shall be applied prospectively,
commencing with the date a Commission order accepts revised tariff sheets.
However, nothing contained herein shall be construed to alter a refund
obligation under applicable law for any period during which rates had been
charged under a discount agreement exceeded rates which ultimately are found to
be just and reasonable.

<PAGE>

                                                     SERVICE AGREEMENT NO. 79616
                                                     CONTROL NO. 2004-05-26-0009

                              SST SERVICE AGREEMENT

Section 4. Notices. Notices to Transporter under this Agreement shall be
addressed to it at Post Office Box 1273, Charleston, West Virginia 25325-1273,
Attention: Manager-Customer Services and notices to Shipper shall be addressed
to it at:

     PG Energy Inc
     Director Of Gas Supply
     One PEI Center
     Wilkes-Barre,. PA 18711-0601
     ATTN: Bill Eckert

until changed by either party by written notice.

<PAGE>

                                                     SERVICE AGREEMENT NO. 79616
                                                     CONTROL NO. 2004-05-26-0009

                              SST SERVICE AGREEMENT

Section 5. Superseded Agreements. This Service Agreement supersedes and cancels,
as of the effective date hereof, the Following Service Agreements: N/A.

PG Energy Inc

By: /s/ Bruce Davis
    ---------------------------------
Name: Bruce Davis
Title: Vice-President of Marketing &
       Gas Supply
Date: August 5, 2004

Columbia Gas Transmission Corporation

By: /s/ T. N. Brasselle
    ---------------------------------
Name: T. N. Brasselle
Title: MGR Customer Services
Date: AUG 17 2004

<PAGE>

                                                     REVISION NO. ______________
                                                     CONTROL NO. 2004-05-26-0009

APPENDIX A TO SERVICE AGREEMENT NO. 79616

UNDER RATE SCHEDULE   SST

BETWEEN (TRANSPORTER) COLUMBIA GAS TRANSMISSION CORPORATION

AND (SHIPPER)         PG ENERGY INC

           OCTOBER THROUGH MARCH TRANSPORTATION DEMAND. 11,282 DTH/DAY
           APRIL THROUGH SEPTEMBER TRANSPORTATION DEMAND 5,641 DTH/DAY

                             PRIMARY RECEIPT POINTS

<TABLE>
<CAPTION>
SCHEDULING
POINT NO.    SCHEDULING POINT NAME          MAXIMUM DAILY QUANTITY (DTH/DAY)
---------    ---------------------          --------------------------------
<S>          <C>                     <C>    <C>
STOW         STORAGE WITHDRAWALS     STOW             11,282
</TABLE>

<PAGE>

                                                     REVISION NO. ______________
                                                     CONTROL NO. 2004-05-26-0009

APPENDIX A TO SERVICE AGREEMENT NO. 79616

UNDER RATE SCHEDULE   SST

BETWEEN (TRANSPORTER) COLUMBIA GAS TRANSMISSION CORPORATION

AND (SHIPPER)         PG ENERGY INC

                            Primary Delivery Points

<TABLE>
<CAPTION>
                                                       Maximum                                       Minimum
                                                        Daily           Design                       Delivery
                                                       Delivery         Daily         Aggregate      Pressure       Hourly
Scheduling   Scheduling   Measuring    Measuring      Obligation       Quantity         Daily       Obligation     Flowrate
 Point No.   Point Name   Point No.    Point Name   (Dth/day) (1/)  (Dth/day) (1/)  Quantity (1/)  (psig) (1/)  (Dth/hour) (1/)
----------  ------------  ---------  -------------  --------------  --------------  -------------  -----------  ---------------
<S>         <C>           <C>        <C>            <C>             <C>             <C>            <C>          <C>
E5          MARTINS       E5                            13,769                      FN01
            CK3/DELIVERY
E9          YNG WOMANS    E9                            13,769                      FN01
            CK-RENOVA
57          PA GAS WTR    600039     RENOVO P.G.W.       7,000                      FN01
            OP-08
</TABLE>

<PAGE>

                                                     REVISION NO. ______________
                                                     CONTROL NO. 2004-05-26-0009

APPENDIX A TO SERVICE AGREEMENT NO. 79616

UNDER RATE SCHEDULE   SST

BETWEEN (TRANSPORTER) COLUMBIA GAS TRANSMISSION CORPORATION

AND (SHIPPER)         PG ENERGY INC

(1/) Application of MDDOs, DDQs, and ADQs and/or minimum pressure
     and/or hourly flowrate shall be as follows:

FN01 Shipper's MDDOs in the winter period, that is, from November 1 through
     March 31 of each year, shall be 13,769 Dth/day at Martin's Creek [E5] and 0
     (zero) Dth/day at Young Woman's Creek [E9]. Shipper's MDDOs in the summer
     period, that is, from April 1 through October 31 of each year shall be 0
     (zero) Dth/day at Martin's Creek [E5} and 13,769 Dth/day at Young Woman's
     Creek [E9]. As long as Rate Schedule X-103 dated October 10, 1980 between
     Columbia Gas Transmission Corporation and Transcontinental Pipe Line
     Corporation ("Transco") is in effect. Transporter may schedule, utilizing
     the X-103 Rate Schedule, a corresponding amount of natural gas for delivery
     to Transco's delivery points at Muncy, Old Lycoming and Saylor Temp Meter.
     Upon termination of Rate Schedule X-103, Transporter will make deliveries
     for Shipper at Martin's Creek [E5] or Young Woman's Creek [E9] as set forth
     above, and Shipper will be responsible for arranging downstream
     transportation on Transco for further downstream deliveries.

     In addition, Shipper shall have an additional year round MDDO of 7,000
     Dth/day at scheduling point [57] Renova.

     The following notes apply to all scheduling points on this contract:

GFN1 UNLESS STATION SPECIFIC MDDOS ARE SPECIFIED IN A SEPARATE FIRM SERVICE
     AGREEMENT BETWEEN SELLER AND BUYER, SELLERS AGGREGATE MAXIMUM DAILY
     DELIVERY OBLIGATION, UNDER THIS AND ANY OTHER SERVICE AGREEMENT BETWEEN
     SELLER AND BUYER, AT THE STATIONS LISTED ABOVE SHALL NOT EXCEED THE MDDO
     QUANTITIES SET FORTH ABOVE FOR EACH STATION.

<PAGE>

                                                     REVISION NO. ______________
                                                     CONTROL NO. 2004-05-26-0009

APPENDIX A TO SERVICE AGREEMENT NO. 79616

UNDER RATE SCHEDULE   SST

BETWEEN (TRANSPORTER) COLUMBIA GAS TRANSMISSION CORPORATION

AND (SHIPPER)         PG ENERGY INC

The Master list of Interconnects (MLI) as defined in Section 1 of the General
Terms and Conditions of Transporter's Tariff is incorporated herein by reference
for purposes of listing valid secondary receipt and delivery points.

      Yes   X   No (Check applicable blank) Transporter and Shipper have
-----     -----
mutually agreed to a Regulatory Restructuring Reduction Option pursuant to
Section 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff.

      Yes   X   No (Check applicable blank) Shipper has a contractual right of
-----     -----
first refusal equivalent to the right of first refusal set forth from time to
time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas
Tariff.

      NOTE: SHIPPER CONTINUES TO HAVE A REGULATORY RIGHT OF FIRST REFUSAL.

Service pursuant to this Appendix A, Revision No. 0 shall be affective April 1,
2005 through March 31, 2010.

      Yes   X   No (Check applicable blank) This Appendix A, Revision No. 0
-----     -----
shall cancel and supersede the Previous Appendix A, Revision No.
_________________________ effective as of _______, 20__, to the Service
Agreement referenced above.

  X   Yes       No (Check applicable blank) All Gas shall be delivered at
-----     -----
existing points of Interconnection within the MDDO's, and/or ADQ's, and/or
DDQ's, as applicable, set forth in Transporter's currently effective Rate
Schedule SST Appendix A, Revision No. 0 with Shipper, which for such points set
forth are incorporated herein by reference.

With the exception of this Appendix A, Revision No. 0 all other terms and
conditions of said Service Agreement shall remain in full force and effect.

PG Energy Inc

By: /s/ Bruce Davis
    ---------------------------------
Name: Bruce Davis
Title: Vice-President of Marketing &
       Gas Supply
Date: August 5, 2004

Columbia Gas Transmission Corporation

By: /s/ T. N. Brasselle
    ---------------------------------
Name: T. N. Brasselle
Title: MGR Customer Services
Date: AUG 17 2004

<PAGE>

                                                     REVISION NO. 10
                                                     CONTROL NO. 2004-03-16-0002

APPENDIX A TO SERVICE AGREEMENT NO. 38047

UNDER RATE SCHEDULE   SST

BETWEEN (TRANSPORTER) COLUMBIA GAS TRANSMISSION CORPORATION

AND (SHIPPER)         PG ENERGY INC

The Master list of Interconnects (MLI) as defined in Section 1 of the General
Terms and Conditions of Transporter's Tariff is incorporated herein by reference
for purposes of listing valid secondary receipt and delivery points.

      Yes   X   No (Check applicable blank) Transporter and Shipper have
-----     -----
mutually agreed to a Regulatory Restructuring Reduction Option pursuant to
Section 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff.

      Yes   X   No  (Check applicable blank) Shipper has a contractual right of
-----     -----
first refusal equivalent to the right of first refusal set forth from time to
time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas
Tariff.

      NOTE: SHIPPER CONTINUES TO HAVE A REGULATORY RIGHT OF FIRST REFUSAL.

Service pursuant to this Appendix A, Revision No. 10 shall be effective November
1, 2004 through March 31, 2005.

  X   Yes       No (Check applicable blank) This Appendix A, Revision No. 10
-----     -----
shall cancel and supersede the Previous Appendix A, Revision No. 9 effective as
of October 1, 2001, to the Service Agreement referenced above.

  X   Yes       No (Check applicable blank) All Gas shall be delivered at
-----     -----
existing points of interconnection within the MDDO's, and/or ADQ's, and/or
DDQ's, as applicable, set forth in Transporter's currently effective Rate
Schedule SST Appendix A, Revision No. 10 with Shipper, which for such points set
forth are incorporated herein by reference.

With the exception of this Appendix A, Revision No. 10 all other terms and
conditions of said Service Agreement shall remain in full force and effect.

PG Energy Inc

By: /s/ Bruce Davis
    ---------------------------------
Name: Bruce Davis
Title: Vice-President of Marketing &
       Gas Supply
Date: August 5, 2004

Columbia Gas Transmission Corporation

By: /s/ T. N. Brasselle
    ---------------------------------
Name: T. N. Brasselle
Title: MGR Customer Services
Date: AUG 17 2004<PAGE>

                                                               Contract # 2.1106
                                                                            FTPO

                                SERVICE AGREEMENT

                                     between

                   TRANSCONTINENTAL GAS PIPE LINE CORPORATION

                                       and

                                 PG ENERGY INC.

                               Dated July 10, 1997

<PAGE>

                                SERVICE AGREEMENT

     THIS AGREEMENT entered into this 10th day of July, 1997, by and between
TRANSCONTINENTAL GAS PIPE LINE CORPORATION, a Delaware corporation, hereinafter
referred to as "Seller," first party, and PG ENERGY INC., hereinafter referred
to as "Buyer," second party,

                                   WITNESSETH

     WHEREAS, Seller owns and operates an interstate gas pipeline system; and

     WHEREAS, Buyer submitted a request for firm transportation service to be
made available through an expansion of its transmission facilities, referred to
as the "1997 Pocono Expansion Project";

     WHEREAS, Seller and PG Energy Inc. ("PG Energy") are parties to a Precedent
Agreement, dated March 31, 1997 providing for firm transportation service of up
to a Transportation Contract Quantity of 33,500 dt per day through Seller's
pipeline system under Rate Schedule FT; and

     WHEREAS, Seller will provide firm transportation service hereunder to
Buyer pursuant to Seller's blanket certificate authorization and Rate Schedule
FT for the 33,500 dt per day Transportation Contract Quantity pursuant to the
terms and conditions of this agreement.

     NOW, THEREFORE, Seller and Buyer agree as follows:

                                    ARTICLE I
                           GAS TRANSPORTATION SERVICE

     1. Subject to the terms and provisions of this agreement and of Seller's
Rate Schedule FT, Buyer agrees to deliver or cause to be delivered to Seller gas
for transportation and Seller agrees to receive, transport and redeliver natural
gas to Buyer or for the account of Buyer, on a firm basis, up to a
Transportation Contract Quantity ("TCQ") of 33,500 dt per day.

     2. Transportation service rendered hereunder shall not be subject to
curtailment or interruption except as provided in Section 11 of the General
Terms and Conditions of Seller's FERC Gas Tariff.

                                   ARTICLE II
                                POINT OF RECEIPT

     Buyer shall deliver or cause to be delivered gas at the point of receipt
hereunder at a pressure sufficient to allow the gas to enter Seller's pipeline
system at the varying pressures that may exist in such system from time to time;
provided, however, the pressure of the gas delivered or caused to be delivered
by Buyer shall not exceed the maximum operating pressure of Seller's pipeline
system at such point of receipt. In the event the maximum operating pressure of
Seller's pipeline system, at the point of receipt hereunder, is from time to
time increased or decreased, then the maximum allowable pressure of the gas
delivered or caused to be delivered by Buyer to Seller at the point of receipt
shall be correspondingly increased or decreased upon written notification of
Seller to Buyer. The point of receipt for natural gas received for
transportation pursuant to this agreement shall be:

                                        2

<PAGE>

                          SERVICE AGREEMENT (CONTINUED)

     See Exhibit A, attached hereto, for point of receipt.

                                   ARTICLE III
                                POINT OF DELIVERY

     Seller shall redeliver to Buyer or for the account of Buyer the gas
transported hereunder at the following point of delivery and at a pressure of:

     See Exhibit B, attached hereto, for point of delivery and pressure.

                                   ARTICLE IV
                                TERM OF AGREEMENT

     This agreement shall be effective as of the later of November 1, 1997 or
the date that the facilities of Seller necessary to commence service of all or
part of Buyer's TCQ hereunder are ready for service and shall remain in force
and effect until 10:00 a.m. Eastern Standard Time November 1, 2017 and
thereafter until terminated by Seller or Buyer upon at least one hundred eighty
days (180) written notice; provided, however, this agreement shall terminate
immediately and, subject to the receipt of necessary authorizations, if any,
Seller may discontinue service hereunder if (a) Buyer, in Seller's reasonable
judgement fails to demonstrate credit worthiness, and (b) Buyer fails to provide
adequate security in accordance with Section 32 of the General Terms and
Conditions of Seller's Volume No. 1 Tariff.

                                    ARTICLE V
                             RATE SCHEDULE AND PRICE

     1. Buyer shall pay Seller for natural gas delivered to Buyer hereunder in
accordance with Seller's Rate Schedule FT and the applicable provisions of the
General Terms and Conditions of Seller's FERC Gas Tariff as filed with the
Federal Energy Regulatory Commission, and as the same may be legally amended or
superseded from time to time. Such Rate Schedule and General Terms and
Conditions are by this reference made a part hereof. In the event Buyer and
Seller mutually agree to a negotiated rate and specified term for service
hereunder, provisions governing such negotiated rate (including surcharges) and
term shall be set forth on Exhibit C to the service agreement.

     2. Seller and Buyer agree that the quantity of gas that Buyer delivers or
causes to be delivered to Seller shall include the quantity of gas retained by
Seller for applicable compressor fuel, line loss make-up (and injection fuel
under Seller's Rate Schedule GSS, if applicable) in providing the transportation
service hereunder, which quantity may be changed from time to time and which
will be specified in the currently effective Sheet No. 44 of Volume No. 1 of
this Tariff which relates to service under this agreement and which is
incorporated herein.

                                        3
<PAGE>

                          SERVICE AGREEMENT (CONTINUED)

     3. In addition to the applicable charges for firm transportation service
pursuant to Section 3 of Seller's Rate Schedule FT, Buyer shall reimburse Seller
for any and all filing fees incurred as a result of Buyer's request for service
under Seller's Rate Schedule FT, to the extent such fees are imposed upon Seller
by the Federal Energy Regulatory Commission or any successor governmental
authority having jurisdiction.

                                   ARTICLE VI
                                  MISCELLANEOUS

     1. This Agreement supersedes and cancels as of the effective date hereof
the following cantract(s) between the parties hereto: None.

     2. No waiver by either party of any one or more defaults by the other in
the performance of any provisions of this agreement shall operate or be
construed as a waiver of any future default or defaults, whether of a like or
different character.

     3. The interpretation and performance of this agreement shall be in
accordance with the laws of the State of Texas, without recourse to the law
governing conflict of laws, and to all present and future valid laws with
respect to the subject matter, including present and future orders, rules and
regulations of duly constituted authorities.

     4. This agreement shall be binding upon, and inure to the benefit of the
parties hereto and their respective successors and assigns.

     5. Notices to either party shall be in writing and shall be considered as
duly delivered when mailed to the other party at the following address:

          (a)  If to Seller:
               Transcontinental Gas Pipe Line Corporation
               P.O. Box 1396
               Houston, Texas, 77251
               Attention: Director, Customer Services

          (b)  If to Buyer:
               PG Energy Inc.
               One PEI Center
               Wilkes-Barre, PA 18711-0601
               Attention: Director, Gas Supply

Such addresses may be changed from time to time by mailing appropriate notice
thereof to the other party by certified or registered mail.

                                        4

<PAGE>

                          SERVICE AGREEMENT (CONTINUED)

IN WITNESS WHEREOF, the parties hereto have caused this agreement to be signed
by their respective officers or representatives thereunto duly authorized.

                                        TRANSCONTINENTAL GAS PIPE LINE
                                        CORPORATION
                                        (Seller)

                                        BY: /s/ Frank J. Ferazzi
                                            ------------------------------------
                                            Frank J. Ferazzi
                                            Vice President
                                            Customer Service

                                        PG ENERGY INC.
                                        (Buyer)

                                        By: /s/ John F. Kell, Jr.
                                            ------------------------------------
                                            John F. Kell, Jr.
                                            Vice President, Financial Services

                                        5

<PAGE>

                                    Exhibit A

         ATTACHED AND MADE PART OF THAT SERVICE AGREEMENT BY AND BETWEEN
  TRANSCONTINENTAL GAS PIPE LINE CORPORATION, AS SELLER, AND PG ENERGY INC., AS
                           BUYER, DATED July 10, 1997

                                Point of Receipt

The point of interconnection between Seller and CNG Transmission Corporation
near the Leidy Storage Field, Clinton County, Pennsylvania.

<PAGE>

                                    Exhibit B

         ATTACHED AND MADE PART OF THAT SERVICE AGREEMENT BY AND BETWEEN
  TRANSCONTINENTAL GAS PIPE LINE CORPORATION, AS SELLER, AND PG ENERGY INC., AS
                           BUYER, DATED July 10, 1997

<TABLE>
<CAPTION>
          Point of Delivery                             Pressure
          -----------------                             --------
<S>                                     <C>
The point of interconnection between    Pressures existing from time to time in
Seller's Leidy Line and Buyer's         Seller's system at the point of
facilities at the Shickshinny Meter     delivery.
Station near Salem Township, Luzerne
County, Pennsylvania.
</TABLE>

<PAGE>

                                    Exhibit C

         ATTACHED AND MADE PART OF THAT SERVICE AGREEMENT BY AND BETWEEN
  TRANSCONTINENTAL GAS PIPE LINE CORPORATION, AS SELLER, AND PG ENERGY INC., AS
                           BUYER, DATED July 10, 1997

Specification of Negotiated Rate and Term

None.

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