Southern Natural Gas Company

Seventh Revised Volume No. 1

Effective Date: 11/01/2007, Docket: RP08- 52-000, Status: Effective

Third Revised Sheet No. 356 Third Revised Sheet No. 356 : Effective

Superseding: Second Revised Sheet No. 356

Service Agreement No. ________

Authorization: _______________

PRO FORMA

FORM OF SERVICE AGREEMENT

UNDER RATE SCHEDULE CSS

THIS AGREEMENT, made and entered into as of this ______ day of

____________, _____, by and between Southern Natural Gas Company, a Delaware

general partnership, hereinafter referred to as "Company", and __________________________, a

____________ corporation, hereinafter referred to as "Shipper".

WITNESSETH

WHEREAS, Company has undertaken to provide a firm storage service under

Part 284 of the Federal Energy Regulatory Commission's (Commission) Regulations and Company's

Rate Schedule CSS of its FERC Gas Tariff; and

WHEREAS, Shipper has requested storage service on a firm basis pursuant to

Rate Schedule CSS and has submitted to Company a request for such storage service in

compliance with Section 7 of Company's Rate Schedule CSS; and/or

WHEREAS, Shipper may acquire, from time to time, released firm storage capacity under

Section 22 of the General Terms and Conditions of Company's FERC Gas Tariff; and

WHEREAS, Company is willing to render firm storage service to Shipper

pursuant to the provisions of Rate Schedule CSS, this Agreement and

Part 284 of the Commission's Regulations.

NOW, THEREFORE, the parties hereby agree as follows:

ARTICLE I

QUANTITY OF SERVICE

1.1 Subject to the terms and provisions of this Agreement and Company's Rate

Schedule CSS and the General Terms and Conditions applicable thereto, Shipper

has the right to maintain in Company's Storage fields under the terms of this

Agreement an aggregate quantity of natural gas up to the Maximum Storage Quantity

set forth on Exhibit A hereto or any effective Capacity Release Transaction. Company's obligation to

accept gas at the Storage Point specified on Exhibit A hereto for injection into

Storage on any day is limited