Trunkline Gas Company, LLC

Third Revised Volume No. 1

Effective Date: 08/01/2003, Docket: RP03-534-000, Status: Effective

Original Sheet No. 529 Original Sheet No. 529 : Effective

OPERATIONAL BALANCING AGREEMENT (Continued)

FORM OF SERVICE AGREEMENT

ARTICLE 2

TARIFF PROVISIONS

2.1 The Parties agree that this Agreement and the activity at the

Interconnection Point shall be governed by the General Terms and

Conditions of the Tariff, including the provisions of Section 7 of the

General Terms and Conditions of the Tariff, unless specifically set

forth otherwise in this Agreement.

ARTICLE 3

CONFIRMATION OF NOMINATIONS

3.1 By 4:00 p.m. of the Nomination Date, each Party shall

provide written or electronic notice to the other Party concerning the

confirmed nominations received by each Party from the Shippers for whose

account the Parties will deliver or receive Gas at the Interconnection

Point. Notice of subsequent changes by the Shippers in nominated

Quantities during any given Month will be similarly provided by the

affected Party on the day of any such change. Any changes to such

confirmed nominations to adjust for operational errors in the confirmed

Quantities shall be effective only if confirmed in writing by the

Parties. All written communications concerning confirmed nominations or

changes to confirmed nominations shall be substantially in the form

provided by Trunkline, unless the Parties otherwise expressly agree in

writing.

ARTICLE 4

DAILY SCHEDULING AND MONTHLY BALANCING

4.1 The Parties intend that the Quantities of Gas actually

delivered and received each Gas Day at the Interconnection Point will

equal the confirmed nominations. Each Party will allocate the

Quantities to be delivered and received at the Interconnection Point

among the Shippers in accordance with the confirmed nominations. Any

variance between actual Quantities and confirmed nomination Quantities

at the Interconnection Point for any Gas Day shall be subject to daily

scheduling and monthly balancing provisions as set forth in Sections 5.1

and 5.2 of the Tariff and such daily scheduling and monthly balancing

variances are the responsibility of OBA Party.

4.2 Nothing herein shall limit or restrict Trunkline's right to

issue an Operational Flow Order pursuant to the Tariff.