Gulf South Pipeline Company L P

Sixth Revised Volume No. 1

Effective Date: 12/31/2000, Docket: GT01- 6-000, Status: Effective

Original Sheet No. 2705 Original Sheet No. 2705 : Effective

GENERAL TERMS AND CONDITIONS

Section 20

(Continued)

Determination of Index "Midpoint" Price - For the month in

which the imbalance occurred, the index "Midpoint" price

per Dekatherm used in the calculation shall be the

arithmetic average of the "Buy" price and the "Sell" price,

multiplied by a factor of 1.0.

(D) If an imbalance or any portion of an imbalance is solely

created by a Customer's inability to reconcile receipt and

deliveries during the month due to issuance of Operational

Flow Orders pursuant to Section 10, then the imbalance

factor used in the calculation of the cash-out provision for

that month will be 1.00 and the applicable index price per

Dekatherm for the month in which the imbalance occurred

shall be the arithmetic average of the "Delivered to

Pipeline" indices published each week during the month in

Natural Gas Week under the title "Gas Price Report" for the

following regions:

Texas, Gulf Coast, Onshore

Louisiana, Gulf Coast, Onshore

Louisiana, North

Southeast

If an imbalance is solely created by a force majeure event,

solely caused by Gulf South or the result of complying with

Gulf South's directions, then the imbalance factor to be

used in the calculation of the cash-out provision for the

month will be 1.00 and the applicable index price per