Pine Prairie Energy Center, LLC

Original Volume No. 1

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Effective Date: 09/01/2007, Docket: RP07-563-001, Status: Effective

Substitute Original Sheet No. 250 Substitute Original Sheet No. 250 : Effective

Superseding: Original Sheet No. 250

Page ___ of ___

Exhibit A

to the Hub Services Agreement

between PPEC and ______________ (Customer)

Hub Administrator & Customer agree that the following charges

and components of service shall apply to this Hub Services

Transaction:

Interruptible Wheeling Service (Rate Schedule IW):

Maximum Daily Wheeling Quantity (MDTQ) _____________ Dth

From: Point of Receipt _____________

To: Point of Delivery _____________

Interruptible Wheeling Charge _____________ $/Dth

Fuel Reimbursement _____________ %

Interruptible Balancing Service (Rate Schedule IB):

Maximum Storage Quantity _____________ Dth

Maximum Loan Quantity _____________ Dth

Maximum Daily Injection Quantity _____________ Dth

Maximum Daily Withdrawal Quantity _____________ Dth

Interruptible Balancing Charge _____________ $/Dth

Injection Charge _____________ $/Dth

Withdrawal Charge _____________ $/Dth

Fuel Reimbursement _____________ %

This Exhibit A Shall be Effective as Follows:

Begin Date ___________ __, ______

End Date ___________ __, ______

Customer:

Signature:_____________________________ Date:_________________

Time:__________________

Hub Administrator Approval:

Signature:_____________________________ Date:_________________

Time:__________________