Petal Gas Storage, L. L. C.

Original Volume No. 1

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Effective Date: 05/01/2002, Docket: RP02-188-000, Status: Effective

Second Revised Sheet No. 3 Second Revised Sheet No. 3 : Effective

Superseding: First Revised Sheet No. 3

PETAL GAS STORAGE, L.L.C.

FSS RATE STATEMENT - FIRM STORAGE SERVICE*

RATE UNITS

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Storage Capacity Charge Market Based/Negotiable $/dth

Paid on a monthly basis. Payment is equal to the Storage Capacity Charge multiplied

by Customer's Firm Storage Capacity.

Storage Deliverability Charge Market Based/Negotiable $/dth

Paid on a monthly basis. Payment is equal to the Storage Deliverability Charge

multiplied by Customer's Total Maximum Daily Withdrawal Quantity.

Storage Injection Charge Market Based/Negotiable $/dth

Paid on a monthly basis. Payment is equal to the Storage Injection Charge multiplied

by the dth quantity injected by the Customer during a given month.

Overrun Injection Charge Market Based/Negotiable $/dth

Paid on a monthly basis. Payment is equal to the Overrun Injection Charge multiplied

by the dth quantity injected by Customer pursuant to Section 3(a) under Rate Schedule

FSS.

Storage Withdrawal Charge Market Based/Negotiable $/dth

Paid on a monthly basis. Payment is equal to the Storage Withdrawal Charge multiplied

by the dth quantity withdrawn by Customer during a given month.

Overrun Withdrawal Charge Market Based/Negotiable $/dth

Paid on a monthly basis. Payment is equal to the Overrun Withdrawal Charge multiplied

by the dth quantity withdrawn by Customer pursuant to Section 3(b) under Rate Schedule

FSS.

Fuel Reimbursement Charge. A monthly charge for fuel and losses associated with

providing storage services for Customer equal to the applicable Fuel Reimbursement

Calculation.

* All quantities of natural gas are measured in dekatherms (dth).