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. 209 Original Sheet No. 209 : Effective

FIRM PARKING SERVICE AGREEMENT

(For Use Under Rate Schedule FP)

This Agreement is made as of the ______day of_____________ ____,

by and between PINE PRAIRIE ENERGY CENTER, LLC, a Delaware limited

liability company herein called "PPEC," and ________________ an

__________, herein called "Customer," (each of PPEC and Customer,

a "Party," and collectively, the "Parties"), pursuant to the

following recitals and representations:

WHEREAS, PPEC owns and operates an underground natural gas storage

facility known as the Pine Prairie Energy Center, located in

Louisiana, and is authorized to provide natural gas storage and

related services in interstate commerce by way of the Pine Prairie

Energy Center; and

WHEREAS, Customer has requested that PPEC provide certain firm

parking natural gas storage services for Customer; and

WHEREAS, PPEC has agreed to provide such firm parking storage

services for Customer subject to the terms and conditions set

forth in this Agreement.

NOW, THEREFORE, PPEC and Customer agree as follows:

ARTICLE I - SCOPE OF AGREEMENT

Following the commencement of service hereunder, in accordance

with the terms of PPEC's Rate Schedule FP, and of this Agreement,

PPEC shall on any Day of the Injection Period receive for

injection into storage for Customer's account a quantity of Gas up

to Customer's Maximum Daily Injection Quantity of ____ Dth, shall

store quantities of Gas so injected in the Pine Prairie Energy

Center, LLC underground gas storage facility located in Louisiana,

up to a Maximum Park Quantity of ______ Dth (on a cumulative

basis), and on demand on any Day during the Withdrawal Period

shall allow Customer to withdraw from Customer's Storage Inventory

and deliver to Customer a quantity of Gas up to Customer's Maximum

Daily Withdrawal Quantity of _______ Dth. Injections shall occur

under this Agreement beginning on the first day of the Primary

Term (as defined in Article V) and ending on ________________,

____ ("Injection Period"), such that Customer's Storage Inventory

at the end of the Injection Period is equal to Customer's Maximum

Park Quantity. Withdrawals shall occur under this Agreement

beginning on ________________, ____ and ending on the last day of

the Primary Term ("Withdrawal Period"). There shall be no

injections or withdrawals under this Agreement from the end of the

Injection Period until the beginning of the Withdrawal Period.

ARTICLE II - POINTS OF RECEIPT AND DELIVERY

The point(s) at which the Gas is to be tendered by Customer to

PPEC under this Agreement shall be the point(s) designated on

Exhibit "A" hereto (Customer's Point(s) of Receipt).

The point(s) at which the Gas is to be tendered by PPEC to

Customer under this Agreement shall be the point(s) designated on

Exhibit "A" hereto (Customer's Point(s) of Delivery).