Southern Natural Gas Company

Seventh Revised Volume No. 1

Effective Date: 03/01/2008, Docket: RP08-180-000, Status: Effective

Fifth Revised Sheet No. 52 Fifth Revised Sheet No. 52 : Effective

Superseding: Fourth Revised Sheet No. 52

RATE SCHEDULE FT-NN

Firm Transportation Service - No Notice

(Continued)

Section 3(c) (continued)

(iii) No Notice Service: The applicable Injection and Withdrawal

Charges under Rate Schedule CSS as set forth on the currently

effective Sheet Nos. 20 or 31 multiplied by the aggregate quantities

of gas injected or withdrawn for SHIPPER'S account hereunder during

each day of the month plus the percentage of the quantities of gas

injected or withdrawn for SHIPPER'S account to be retained by

COMPANY as a fuel charge as set forth on currently effective Sheet

No. 20.

(d) The rates which are stated on the currently effective Sheet Nos. 16-17 or 28-29 set

forth the maximum rates applicable to each service provided under this

Rate Schedule, and the range represented by the maximum and minimum

rates stated for each such service. SHIPPER shall pay the maximum rates

for service under this Rate Schedule unless COMPANY, in its reasonable

judgment, offers to discount its rates to SHIPPER under this Rate

Schedule, or unless the parties have agreed to a Negotiated Rate under Section 34 of

the General Terms and Conditions. Any discount or Negotiated Rate agreed to by

COMPANY and the effective period thereof shall be stated on an executed Exhibit

E or Exhibit F to the Service Agreement, respectively, and shall be made on a not

unduly discriminatory basis. In the case of a discount, it shall be granted

consistent with the applicable provisions of Section 42 of the General Terms and

Conditions. The rates for service under this Rate Schedule shall

not be discounted below the applicable minimum rates specified on the

currently effective Sheet Nos. 16-17 or 28-29.

(e) In addition to the charges specified above, SHIPPER shall pay to

COMPANY the following charges and such other charges applicable to

service hereunder as may be set forth from time to time in the General

Terms and Conditions:

(i) GRI surcharges: Unless collected by another party or discounted,

the current Gas Research Institute surcharges as set forth in Section

29 of the General Terms and Conditions of COMPANY'S FERC

Gas Tariff, Seventh Revised Volume No. 1, as said charges may be

changed from time to time.

(ii) ACA charge: An Annual Charge Adjustment charge as prescribed

by Section 28 of the General Terms and Conditions of

COMPANY'S FERC Gas Tariff, Seventh Revised Volume No. 1, as

said charge may be changed from time to time. The ACA charge shall

not be assessed, however, on deliveries to a SHIPPER'S Rate

Schedule CSS or ISS storage account.