Caledonia Gas And Storage

First Revised Volume No. 1

Effective Date: 09/30/2010, Docket: RP10-1032-000, Status: Effective

Original Sheet No. 7 Original Sheet No. 7

ADVANCED INTERRUPTIBLE STORAGE SERVICE (“AISS”) RATE STATEMENT

RATE UNITS

Interruptible Storage Market Based/ $/Dth/time period

Charge Negotiable

Payment shall be equal to the Advanced Interruptible

Storage Charge specified in Customer’s AISS Agreement multiplied by

Customer’s Advanced Interruptible Maximum Storage Quantity or

Customer’s Advanced Interruptible Storage Inventory, as specified in

Customer’s AISS Agreement.

Storage Injection Market Based/ $/Dth

Charge Negotiable

Payment shall be equal to the Storage Injection

Charge specified in Customer’s AISS Service Agreement multiplied by

the Dth quantity (including fuel, if applicable) Customer tenders to

Caledonia for injection into storage.

Storage Withdrawal Market Based/ $/Dth

Charge Negotiable

Payment shall be equal to the Storage Withdrawal

Charge specified in Customer’s AISS Service Agreement multiplied by the

Dth quantity (including fuel, if applicable) Caledonia withdraws from

storage for Customer’s account.

Overrun Injection Market Based/ $/Dth

Charge Negotiable

Payment shall be equal to the Overrun Injection

Charge specified in Customer’s AISS Service Agreement multiplied by the

Dth quantity (including fuel, if applicable) Caledonia shall have

injected into storage for Customer’s account in excess of Customer’s

Maximum Daily Injection Quantity for such Gas Day during a given Month.

Overrun Withdrawal Market Based/ $/Dth

Charge Negotiable

Payment shall be equal to the Overrun Withdrawal

Charge specified in Customer’s AISS Service Agreement multiplied by the

Dth quantity (including fuel, if applicable) Caledonia shall have

withdrawn from storage for Customer’s account in excess of Customer’s

Maximum Daily Withdrawal Quantity for such Gas Day during a given Month.

Fuel Reimbursement Market Based/ $/Dth or in kind