Petal Gas Storage, L. L. C.

Original Volume No. 1

Effective Date: 06/01/2002, Docket: RP02-332-000, Status: Effective

First Revised Sheet No. 217 First Revised Sheet No. 217 : Effective

FORM OF ADVANCING SERVICE AGREEMENT (Continued)

Petal shall maintain personnel and equipment available to receive and act upon

nomination changes and confirmations twenty-four (24) hours per day, seven (7) days per

week. In the event that Petal fails to obtain confirmation from Customer's Transporter

of Customer's nomination, Petal shall notify Customer of such failure as soon as

possible.

ARTICLE VIII - INCORPORATION OF RATE SCHEDULE AND TARIFF PROVISIONS

This Agreement shall be subject to the terms and provisions of Petal's Rate Schedule

AS, as filed with the Federal Energy Regulatory Commission, together with the General

Terms and Conditions applicable thereto (including any changes in said Rate Schedule or

General Terms and Conditions as may from time to time be filed and made effective by

Petal).

ARTICLE IX - NOTICES

Except as otherwise provided in the General Terms and Conditions applicable to this

Agreement, any notice under this Agreement shall be tendered in accordance with Appendix

2 to this Agreement.

ARTICLE X - TRANSFER AND ASSIGNMENT

Any individual or entity which shall succeed by purchase, merger, or consolidation to

the properties, substantially as an entirety, of Petal or Customer, as the case may be,

shall be entitled to the rights and shall be subject to the obligations of its

predecessor in title under this Agreement. No assignment of this Agreement by either

party or any of the rights or obligations hereunder shall be made unless there first

shall have been obtained the consent thereto in writing of the other party, which

consent shall not be unreasonably delayed or withheld. Any release of Customer from

its obligations hereunder shall be conditioned on the approval of Petal's lenders/note

holders.

It is agreed, however, that the restrictions on assignment contained in this Article

shall not in any way prevent either party to this Agreement from pledging or mortgaging

its rights hereunder as security for its indebtedness without the written consent of the

other party. This Agreement shall be binding upon and shall inure to the benefit of the

respective authorized successors and assigns.