Southern Natural Gas Company

Seventh Revised Volume No. 1

Effective Date: 09/01/2009, Docket: RP09-427-000, Status: Suspended

Ninety-First Revised Sheet No. 17 Ninety-First Revised Sheet No. 17

Superseding: Ninetieth Revised Sheet No. 17

FIRM TRANSPORTATION SERVICES - NO NOTICE (FT-NN)

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(Continued)

Production

Area Zone 1 Zone 2 Zone 3

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Small Shipper Charge 2/

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Maximum/Maximum Including

Surcharges: 55.80¢/55.97¢ 66.70¢/66.87¢ 91.30¢/91.47¢ 125.50¢/125.67¢

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Minimum: 2.7¢ 3.4¢ 5.7¢ 7.1¢

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Fuel Retention:

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Forward Haul Fuel,

Used & Unaccounted For 1.09% 1.09% 1.52% 1.84%

Intrazone Fuel,

Used & Unaccounted For 1.09% 0.41% 0.41% 0.41%

Backhaul Fuel,

Used & Unaccounted For 0.16% 0.16% 0.16% 0.16%

2/ Surcharges applicable to service under Rate Schedule FT-NN for shippers designated

as small shippers.

Storage Cost Reconciliation

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

GRI Surcharge: $ .000 applicable to each Dth transported.

ACA Surcharge: $ .0017 applicable to each Dth transported.