Trunkline Gas Company, LLC

Third Revised Volume No. 1

Effective Date: 05/17/2009, Docket: RP09-519-000, Status: Effective

First Revised Sheet No. 530 First Revised Sheet No. 530

Superseding: Original Sheet No. 530

OPERATIONAL BALANCING AGREEMENT (Continued)

FORM OF SERVICE AGREEMENT

ARTICLE 5

CUSTODY TRANSFER PROCEDURES

5.1 In the event that a capacity constraint occurs on either

Party's facilities which results in curtailment of deliveries through

the Interconnection Point, the Party on whose system the constraint has

occurred shall determine the appropriate reallocation of Quantities to

be delivered for the respective accounts of the Shippers. Notice of any

such reallocation of Quantities due to curtailment shall be promptly

provided pursuant to the provisions of Article III. If the constraint

occurs at the Interconnection Point, the Party which owns the meter at

the Interconnection Point shall be deemed to have the constraint on its

system.

5.2 Any Quantities of Gas received and delivered to correct an

operational imbalance shall be adjusted for variations in BTU content in

accordance with the applicable provisions of the FERC Gas Tariff of the

Party which receives the Gas. Measurement of Gas for all purposes

hereunder shall be in accordance with the provisions set forth in the

measuring Party's then effective FERC Gas Tariff, if applicable.

ARTICLE 6

TERM

6.1 This Agreement shall be effective from the date stated on

Exhibit A and shall continue in effect until terminated by Trunkline or

OBA Party upon at least thirty (30) days prior written notice by

certified mail to the other.

ARTICLE 7

ASSIGNMENT; CHANGE OF OPERATOR

7.1 OBA Party shall not assign this Agreement without

Trunkline's prior written consent.

7.2 OBA Party shall give Trunkline thirty (30) days written

notice by certified mail prior to OBA Party transferring or terminating

its duties as operator of the Interconnection Point. In the event of

such transfer or termination of duties, OBA Party shall remain liable

under this Agreement until this Agreement is terminated pursuant to

Section 6.1 or assigned pursuant to Section 7.1.