Southern Natural Gas Company

Seventh Revised Volume No. 1

Effective Date: 04/01/1999, Docket: RP98-363-000, Status: Effective

First Revised Sheet No. 56 First Revised Sheet No. 56 : Effective

Superseding: Original Sheet No. 56

RATE SCHEDULE FT-NN

Firm Transportation Service - No Notice

(Continued)

administrative rights or its own contract rights. As part of the

agency appointment, SHIPPER must require its agent to provide

COMPANY with the order in which COMPANY is to allocate gas,

under Section 13.2 of the General Terms and Conditions hereto,

from the agent's aggregate CSS storage account to the FT-NN

Service Agreement served by said account. Such order must be

provided electronically via SoNet Premier to COMPANY no later

than 5:00 p.m. on the day prior to the day for which it applies

and shall remain in effect until changed in the same

manner for a subsequent day. SHIPPER agrees to indemnify

COMPANY and hold it harmless from all actions taken by its agent

in the management of SHIPPER'S CSS storage account on an

aggregate basis. SHIPPER must notify COMPANY in writing prior

to terminating its participation in this arrangement and shall require

its agent to provide COMPANY a written certification as to the

quantity of gas in SHIPPER'S CSS storage account as of the date

SHIPPER chooses to no longer allow its storage to be aggregated by

its agent. The provisions of this Section 4(e)(iii) also are available

to ACQUIRING SHIPPERS who acquire CSS capacity under the

temporary releases referenced in Section 4(e)(i) and (ii) above to

the extent SHIPPER agrees to aggregation in the manner set forth

above.

5. SIMULTANEOUS RECEIPT AND DELIVERY OF GAS

(a) Although services under this Rate Schedule will be provided on the basis

that gas will be received and delivered by COMPANY on a simultaneous

basis, COMPANY'S obligation under this Rate Schedule to deliver gas to

or for the account of SHIPPER on any day of transportation is limited to

making available at the Delivery Point(s) a thermally equivalent quantity of

gas (less gas retained for compressor fuel, company-use gas, and

unaccounted-for gas) to the quantity of gas tendered by or for the account

of SHIPPER at the Receipt Point(s). SHIPPER'S right under this Rate

Schedule to take gas at a Delivery Point on a day of transportation is

limited to taking a thermally