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. 36 Original Sheet No. 36 : Effective

ISS RATE SCHEDULE

INTERRUPTIBLE STORAGE SERVICE

(Continued)

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

Storage Service Agreement executed by the parties 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(s) of the Interruptible

Storage 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 Storage 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 ISS 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.

8.2 Payment for the remaining quantities of Gas shall appear

as a credit on the last statement rendered by PPEC to Customer.

To the extent that the credit exceeds the total charges in that

statement, the difference shall be paid by PPEC to Customer on or

before the 25th day of the Month following the Month of such

expiration or termination.

8.3 In the event that PPEC purchases and takes title to any

of Customer's Gas pursuant to this Section 8, PPEC shall dispose

of such Gas by auction and shall credit the net proceeds received

from such auction in accordance with the provisions of Section 32

of the General Terms and Conditions of this FERC Gas Tariff.