Caledonia Gas And Storage

First Revised Volume No. 1

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

Original Sheet No. 13 Original Sheet No. 13

ADVANCED INTERRUPTIBLE LOAN SERVICE (“AILS”) RATE STATEMENT

RATE UNITS

Interruptible Loan Market Based/ $/Dth/time period

Charge Negotiable Interruptible Loan Injection Market Based/ $/Dth

Charge Negotiable Interruptible Loan Withdrawal Market Based/ $/Dth

Charge Negotiable

Payment shall be equal to the Interruptible Loan

Charge specified in Customer’s AILS Service Agreement multiplied by

Customer’s Maximum Advanced Loan Quantity or Loan Balance, as specified

in Customer’s Advanced Interruptible Loan Service Agreement, plus the

Interruptible Loan Injection Charge multiplied by the quantity

Caledonia shall have injected for Customer’s account (including fuel,

if applicable), plus the Interruptible Loan Withdrawal Charge

multiplied by the quantity Caledonia shall have withdrawn for

Customer’s account (including fuel, if applicable), as specified in

Customer’s AILS Service Agreement.

Overrun Injection Market Based/ $/Dth

Charge Negotiable Payment shall be equal to the Overrun Injection

Charge specified in Customer’s AILS 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 AILS 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withdrawn from storage for Customer’s account in excess of Customer’s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

This amount of Gas

shall be reimbursed by Customer in kind or paid in dollars per Dth, on

a daily basis as determined pursuant to the General Terms and

Conditions of this FERC Gas Tariff or Customer’s executed AILS Service

Agreement.