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. 230 Original Sheet No. 230 : Effective

Exhibit A to the Interruptible Storage Service Agreement

between PPEC and

____________________(Customer)

dated __________

Effective Date or Event: ______________________________________

Storage inventory charge _________________________

Storage injection charge _________________________

Storage withdrawal charge _________________________

Fuel reimbursement _________________________

Effective Date or Event: ______________________________________

Storage inventory charge _________________________

Storage injection charge _________________________

Storage withdrawal charge _________________________

Fuel reimbursement _________________________

Notes:

1. The charges for a specified period shall remain in effect

until the conclusion of the Gas Day preceding the date or event

specified as the date or event on which revised charges are to

become effective.

2. Additional lines may be added if PPEC and Customer agree to

more than two sets of date ranges defining specific charges.