Trunkline Gas Company, LLC

Third Revised Volume No. 1

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Effective Date: 07/17/2004, Docket: RP04-333-000, Status: Effective

First Revised Sheet No. 239 First Revised Sheet No. 239 : Effective

Superseding: Original Sheet No. 239

GENERAL TERMS AND CONDITIONS

(Continued)

5. TRANSPORTATION BALANCING (Continued)

(c) Trunkline shall provide the ability to post and trade

imbalances until at least the close of the

seventeenth (17th) Business Day of the Month.

(d) Shippers may trade contract imbalances with other

Shippers having Transportation Service Agreements

within the same Operational Impact Area, as described

in Section 5.2(B)(3) below. Contract imbalances must

be traded with contract imbalances in the opposite

direction and such trade must move Shipper's

imbalance closer to zero. When trading imbalances, a

Quantity must be specified.

(e) Trunkline shall enable the imbalance trading process

by:

. Receiving the request for imbalance trade;

. Receiving the imbalance trade confirmation;

. Sending the imbalance trade notification; and

. Reflecting the trade prior to or on the next

monthly Shipper imbalance or cashout.

(f) Imbalance trades can only be withdrawn by the

initiating Shipper and only prior to the confirming

Shipper's confirmation of the trade. Imbalance

trades are considered final when confirmed by the

confirming Shipper and effectuated by Trunkline.

Imbalance trades shall be deemed to be effectuated

when Trunkline sends the imbalance trade

notification.

(g) After receipt of an imbalance trade confirmation,

Trunkline shall send the imbalance trade notification

to the initiating Shipper and the confirming Shipper

no later than noon (Central Time) on the next

Business Day.