Pine Prairie Energy Center, LLC

Original Volume No. 1

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Effective Date: 09/01/2007, Docket: RP07-563-000, Status: Effective

Original Sheet No. 41 Original Sheet No. 41 : Effective

IP RATE SCHEDULE

INTERRUPTIBLE PARKING SERVICE

(Continued)

6. AUTHORIZATION, RATES, TERMS AND CHANGES

6.1 The Interruptible Parking Service Agreement and the

respective obligations of the parties hereunder are subject to all

valid laws, orders, rules and regulations of duly constituted

authorities having jurisdiction, and are conditioned upon the

issuance, by FERC, and any state or local governmental agency

having jurisdiction, of requisite authorization for PPEC to

provide the parking service contemplated hereby and to construct

and operate the Gas storage facilities necessary to provide such

parking service and for any connected pipeline to transport Gas

to/from the Point(s) of Receipt/Delivery necessary to effect the

parking service provided for herein.

6.2 PPEC shall have the right to propose to FERC or any

other governing regulatory body such changes in its rates and

terms of service as it deems necessary, and the Interruptible

Parking Service Agreement shall be deemed to include any changes

which are made effective pursuant to order or regulation or

provisions of law, without prejudice to Customer's right to

protest the same; provided, however, that any market-based rates

negotiated between PPEC and its Customer(s) shall remain in effect

during the term of the Interruptible Parking Service Agreement(s)

specifying such rates.

7. CURTAILMENT

If, due to any cause whatsoever, PPEC's capability to receive

or deliver quantities of Gas is impaired so that PPEC is unable to

receive or deliver the quantities provided for in its Storage

Service Agreements with Customers for Interruptible services, then

capacity, withdrawals and/or injections will be allocated

according to the priority of service as set forth in Section 5 of

the General Terms and Conditions of this FERC Gas Tariff.

8. EXPIRATION OF TERM

8.1 Upon expiration without renewal or upon termination of

Customer's Interruptible Parking Service Agreement, any of

Customer's Gas remaining in the PPEC storage facility shall be

deemed sold to PPEC at a price equal to 80% of the price realized

for such Gas pursuant to an auction held in accordance with

Section 32 of the General Terms and Conditions of this FERC Gas

Tariff. However, if Customer was unable to withdraw its IP Gas

quantities due to an interruption of Customer's withdrawal service

by PPEC during the last ten Days before termination, Customer

shall be allowed to withdraw its Gas within a reasonable period

following the end of the contract term.