Southern Natural Gas Company

Seventh Revised Volume No. 1

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Effective Date: 03/01/2010, Docket: RP09-427-003, Status: Effective

Seventeenth Revised Sheet No. 26 Seventeenth Revised Sheet No. 26

Superseding: Sixteenth Revised Sheet No. 26

SETTLEMENT RATES 3/

FIRM TRANSPORTATION SERVICES (FT)

Production

Area Zone 1 Zone 2 Zone 3

---------- ------ ------ ------

Reservation Charge (Dth) 1/

------------------------

Maximum/Maximum Including

Surcharges: $5.71/5.71 $6.45/6.45 $9.65/9.65 $12.77/12.77

----------- ----------- ----------- -----------

Minimum: $ 0.00 $ 0.00 $ 0.00 $ 0.00

------------ ----------- ----------- -----------

Maximum Daily Volumetric $.1877/.1877 $.2121/.2121 $.3173/.3173 $.4198/.4198

Capacity Release Rates 2/ ------------ ------------ ------------ ------------

Transportation Charge (Dth) 1/

Maximum/Maximum Including DELIVERY ZONE

Surcharges: Production

Receipt Zone Area Zone 1 Zone 2 Zone 3

------------ ---------- ------ ------ ------

Production Area 4.10¢/4.29¢ 4.50¢/4.69¢ 5.80¢/5.99¢ 6.60¢/6.79¢

Zone 1 4.10¢/4.29¢ 2.90¢/3.09¢ 4.30¢/4.49¢ 5.10¢/5.29¢

Zone 2 4.10¢/4.29¢ 2.90¢/3.09¢ 3.90¢/4.09¢ 4.70¢/4.89¢

Zone 3 4.10¢/4.29¢ 2.90¢/3.09¢ 3.90¢/4.09¢ 3.40¢/3.59¢

DELIVERY ZONE

Minimum: Production

Receipt Zone Area Zone 1 Zone 2 Zone 3

------------ ---------- ------ ------ ------

Production Area 4.10¢ 4.50¢ 5.80¢ 6.60¢

Zone 1 4.10¢ 2.90¢ 4.30¢ 5.10¢

Zone 2 4.10¢ 2.90¢ 3.90¢ 4.70¢

Zone 3 4.10¢ 2.90¢ 3.90¢ 3.40¢

Backhaul Transportation Charge (Dth) 1/ DELIVERY ZONE

Max/Max With Surcharges: Production

Receipt Zone Area Zone 1 Zone 2 Zone 3

Production Area 4.10¢/4.29¢ N/A N/A N/A

Zone 1 4.10¢/4.29¢ 2.90¢/3.09¢ N/A N/A

Zone 2 4.10¢/4.29¢ 2.90¢/3.09¢ 3.90¢/4.09¢ N/A

Zone 3 4.10¢/4.29¢ 2.90¢/3.09¢ 3.90¢/4.09¢ 3.40¢/3.59¢

Backhaul Transportation DELIVERY ZONE

Charge Minimum: Production

Receipt Zone Area Zone 1 Zone 2 Zone 3

Production Area 4.10¢ N/A N/A N/A

Zone 1 4.10¢ 2.90¢ N/A N/A

Zone 2 4.10¢ 2.90¢ 3.90¢ N/A

Zone 3 4.10¢ 2.90¢ 3.90¢ 3.40¢

1/ Surcharges applicable to service under Rate Schedule FT.

Storage Cost Reconciliation

Mechanism Volumetric Surcharge: $ .000 applicable to each Dth transported

GRI Surcharge: $ .000 applicable to reservation quantities

of high load factor shippers and $.00

is applicable to reservation quantities

of low load factor shippers.

$ .000 applicable to each Dth transported.

ACA Surcharge: $ .0019 applicable to each Dth transported.

2/ See Section 22 of the General Terms and Conditions for exceptions to these maximum capacity release rates.

3/ The foregoing rates have been established pursuant to the terms of the Settlement filed in Docket No.

RP09-427 applicable to all Supporting and Non-Opposing Parties as defined in the Settlement. Such rates shall

remain in effect until superseded by new rates placed into effect consistent with the provisions of the Docket

No. RP09-427 Settlement.