Southern Natural Gas Company

Seventh Revised Volume No. 1

Effective Date: 09/22/2004, Docket: RP04-494-000, Status: Effective

Third Revised Sheet No. 296 Third Revised Sheet No. 296 : Effective

Superseding: Second Revised Sheet No. 296

FORM OF FIRM TRANSPORTATION

SERVICE AGREEMENT

(Continued)

8.4 This Agreement shall bind and benefit the successors and assigns of the respective

parties hereto. Subject to the provisions of Section 22 of the General Terms and

Conditions applicable hereto, either party may assign this Agreement to an affiliated company

without the prior written consent of the other party, provided that the affiliated company is

creditworthy pursuant to Section 2.1(d) of the General Terms and Conditions, but neither

party may assign this Agreement to a nonaffiliated company without the prior written consent

of the other party, which consent shall not be unreasonably

withheld; provided, however, that either party may assign or pledge this

Agreement under the provisions of any mortgage, deed of trust, indenture or similar

instrument.

8.5 Exhibits A, A-1, B, B-1, and _________ attached to this Agreement constitute a part of this

Agreement and are incorporated herein.

8.6 This Agreement is subject to all present and future valid laws and orders, rules,

and regulations of any regulatory body of the federal or state government having or

asserting jurisdiction herein. After the execution of this Agreement for firm transportation

capacity from Company, each party shall make and diligently prosecute all necessary

filings with federal or other governmental bodies, or both, as may be required for the

initiation and continuation of the transportation service

which is the subject of this Agreement and to construct and operate any facilities

necessary therefore. Each party shall have the right to seek such

governmental authorizations as it deems necessary, including the right to prosecute

its requests or applications for such authorization in the manner it deems

appropriate. Upon either party's request, the other party shall timely provide or

cause to be provided to the requesting party such information and material not

within the requesting party's control and/or possession that may be required for such

filings. Each party shall promptly inform the other party of any changes in the

representations made by such party herein and/or in the information provided

pursuant to this paragraph. Each party shall promptly provide the party with a copy

of all filings, notices, approvals, and authorizations in the course of the prosecution

of its filings. In the event all such necessary regulatory approvals have not been

issued or have not been issued on terms and conditions acceptable to Company or Shipper within

_______ months from the date of the initial FERC application therefore,

then Company or Shipper may terminate this Agreement without further liability or

obligation to the other party by giving written notice thereof at any time subsequent

to the end of such _______-month period, but prior to the receipt of all such

acceptable approvals. Company or Shipper may waive their rights to terminate this Agreement

under this Section upon mutual agreement in writing. Such notice will be effective as of the

date