Southern Natural Gas Company

Original Volume No. 2

Effective Date: 02/03/1991, Docket: RP90-139-004, Status: Effective

First Sub. Thirteenth Rev. Sheet No. 582 First Sub. Thirteenth Rev. Sheet No. 582 : Effective

Superseding: Twelfth Revised Sheet No. 582

RATE SCHEDULE X-58 (Continued)

operate compression facilities to effect delivery of such gas at said points.

2. The gas to be redelivered by Southern to Transco hereunder shall be

delivered and received at the maximum pressure available from time to time

in Southern's pipeline facilities at the Point of Redelivery, it being

understood and agreed that Transco shall have the right but not the

obligation at its sole cost and expense, to install and operate any

compression facilities required to effect receipt of such gas at the

Point of Redelivery.

VI. TRANSPORTATION SERVICE CHARGES, TAXES

1. Commencing with the effective date hereof and unless and until changed as

hereinafter provided in this Article VI, Transco agrees to pay to Southern

for the service and transportation provided hereunder sixty-one and

seven-tenths cents (61.7›) 1/ for each MMBTU redelivered by Southern to

Transco at the Point of Redelivery.

2. The charges hereinabove provided shall be subject to increase or decrease

pursuant to any Order issued by the Federal Energy Regulatory Commission

(the FERC), or any other governmental agency having jurisdiction, in any

rate proceeding initiated by, or applicable to, Southern. Transco agrees

that Southern shall, at all times during the term hereof, have the right

to effect changes in such charges by seeking authorization from duly

constituted regulatory authorities for any such adjustments as may be

needed to assure Southern that it will receive just and reasonable

compensation for the services performed hereunder for Transco. Nothing

herein contained shall prejudice the rights of Transco to contest at any

time changes to the charges set forth above with regard to the services

rendered hereunder by Southern.

3. In addition to the amounts otherwise due pursuant to this Article VI.,

Transco shall, to the extent such amounts are not included in the charges

hereinabove provided, pay or reimburse Southern for the full amount of

any present or future tax or assessment levied upon Southern with respect

to the receipt, transportation and redelivery of gas for Transco

hereunder, excluding, however, ad valorem or similar taxes now or

hereafter levied upon the physical facilities of Southern utilized to

receive, transport and redeliver gas for Transco as herein provided.

VII. TERM

1. This agreement shall be in full force and effect as of the date first

hereinabove written, and, subject to Paragraph 3., Article

1/ Revised Charge: Winter 27.7› Summer 16.7›

Plus the ACA unit charge and the volumetric Take-or-Pay surcharge which

are set forth in Sections 21 and 22, respectively, of Southern's FERC Gas

Tariff, Sixth Revised Volume Number 1.