Petal Gas Storage, L. L. C.

Original Volume No. 1

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Effective Date: 05/01/2007, Docket: RP07-378-000, Status: Effective

Thirteenth Revised Sheet No. 4 Thirteenth Revised Sheet No. 4 : Effective

Superseding: Twelfth Revised Sheet No. 4

STATEMENT OF RATES

Daily Daily

Maximum Minimum

Rate Schedule LNG-1 Rate Rate

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

Demand Charge per Dt of

Vaporization Quantity

Base Rate $ 0.11129 $ 0.00000

Electric Power Unit Rate $ 0.00275 $ 0.00000

Total Rate $ 0.11404 $ 0.00000

Authorized Excess Vaporization

Charge per Dt $ 4.16246 $ 0.00000

Rate Schedule LNG-2

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

Commodity Rate per Dt $ 4.16246 $ 0.00000

NOTES:

1. Pursuant to Section 16 of the General Terms and Conditions, the above charges under Rate

Schedules LNG-1 and LNG-2, shall be increased to include the Annual Charge Adjustment (ACA)

as below:

Annual Charge Adjustment

(ACA) per Dt $ 0.0016 $ 0.0016

2. Pursuant to Section 18 of the General Terms and Conditions, the above charges under Rate

Schedules LNG-1 and LNG-2, shall be increased to apply the fuel retention percentage as

below:

Retention for Fuel and Gas

Otherwise Used or Lost and

Unaccounted For 2.00% 2.00%