Caledonia Gas And Storage

Original Volume No. 1

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Effective Date: 05/01/2007, Docket: CP05- 15-003, Status: Effective

Original Sheet No. 73 Original Sheet No. 73 : Effective

Revision No.___________

Control No. ___________

Appendix A

to the Service Agreement No. __________

Under FSS Rate Schedule

Between

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

And

________________________ (Customer)

Dated ________________

Maximum Storage Capacity (MSC) _______________

Maximum Daily Injection Quantity (MDIQ) _______________

Maximum Daily Withdrawal Quantity (MDWQ) _______________

Ratchet Levels:

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

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

percentage of MDIQ and MDWQ.

Maximum Daily Injection Quantity Subject to the following Ratchets:

Storage Storage MDIQ Available Daily Injection

Inventory* Inventory Percentage % Quantity (ADIQ) (Dth)

0 to ____% _________ _________ ___________________

____ to ____ % _________ _________ ___________________

____ to ____ % _________ _________ ___________________

____ to ____ % _________ _________ ___________________

____ to ____ % _________ _________ ___________________

Maximum Daily Withdrawal Quantity Subject to the following Ratchets:

Storage Storage MDIQ Available Daily Injection

Inventory* Inventory Percentage % Quantity (ADIQ) (Dth)

0 to ____% _________ _________ ___________________

____ to ____ % _________ _________ ___________________

____ to ____ % _________ _________ ___________________

____ to ____ % _________ _________ ___________________

____ to ____ % _________ _________ ___________________

* - Storage Balance expressed as a percentage of Customer’s MSC.

Receipt Point: ___________________________________________________