Petal Gas Storage, L. L. C.

Original Volume No. 1

Effective Date: 05/01/2002, Docket: RP02-188-000, Status: Effective

First Revised Sheet No. 204 First Revised Sheet No. 204 : Effective

Superseding: Original Sheet No. 204

FORM OF INTERRUPTIBLE STORAGE SERVICE AGREEMENT

THIS AGREEMENT made this ____ day of ___________, ____ by and between Petal Gas Storage,

L.L.C., a Delaware corporation (hereinafter called "Petal") and _______________________

(hereinafter called "Customer").

WITNESSETH: That in consideration of the mutual covenants herein contained, Petal and

Customer agree that Petal will store natural gas for Customer during the term, at the

rates and on the terms and conditions hereinafter provided.

ARTICLE I - SCOPE AND QUANTITIES

Beginning on the date on which storage service is commenced hereunder and thereafter

for the remaining term of this Agreement, and subject to the provisions of Petal's

ISS Rate Schedule, Petal agrees to receive, cause to be injected into storage for

Customer's account, store, withdraw from storage, and deliver to Customer's

Interconnecting Pipeline quantities of natural gas pursuant to Appendix 1 attached

hereto.

ARTICLE II - RECEIPT AND DELIVERY POINTS

The point(s) at which the gas is to be tendered by Customer to Petal under this

Agreement shall be appropriately designated as such on Appendix 1, as Receipt Point(s).

The point(s) at which the gas is to be tendered by Petal to Customer under this

Agreement shall be appropriately designated as such on Appendix 1, as Delivery Point(s).

ARTICLE III PRICE

The prices to be charged Customer hereunder for the services are market based.

ARTICLE IV - FUEL REIMBURSEMENT

Customer shall pay a monthly charge for an amount of gas for fuel and losses as

provided in Rate Schedule ISS and the General Terms and Conditions of Petal's FERC Gas

Tariff.

ARTICLE V - TAXES AND REGULATORY FEES AND CHARGES

Customer shall reimburse Petal for all applicable taxes as may be assessed Petal for the

receipt, injection, storage, withdrawal and/or delivery of Customer's gas. In addition,

Customer shall reimburse Petal for Customer's pro rata portion of all ad valorem taxes,

property taxes and/or other similar taxes. Customer shall also reimburse Petal for all

fees and charges, as required by regulatory authorities, that are related to the service

provided under this Agreement.