Caledonia Gas And Storage

Original Volume No. 1

Effective Date: 12/05/2007, Docket: RP08- 57-000, Status: Effective

First Revised Sheet No. 81 First Revised Sheet No. 81 : Effective

Superseding: Superseding Original Sheet No. 81

Revision No.___________

Control No. ______________

Appendix A

to the Service Agreement No. __________

Under ILS Rate Schedule

Between

Caledonia Energy Partners, L.L.C. (Caledonia)

And

________________________ (Customer)

Dated ________________

Request Quantities:

Maximum Interruptible Loan Quantity (MILQ)

_________________

Maximum Daily Withdrawal Quantity (MDWQ) _________________

Withdrawal Period: from: ________ to: ________

Maximum Daily Injection Quantity (MDIQ) _________________

Injection Period: from: ________ to: ________

Ratchet Levels:

The quantities of Gas that Customer may inject or withdraw, pursuant to this

ILS Service Agreement shall be determined by the following ratchets, as a

percentage of MDWQ and MDIQ.

Maximum Daily Withdrawal Quantity Subject to the following Ratchets:

Storage Balance*

Percentage (%)

Storage Balance

(Dth)

MDWQ

Percentage (%)

Available Daily Withdrawal Quantity (ADWQ) (Dth)

0 to ____%

____ to ____%

____ to ____ %