Tres Palacios Gas Storage LLC

Original Volume No. 1

Effective Date: 11/05/2009, Docket: RP10-33-000, Status: Effective

First Revised Sheet No. 15 First Revised Sheet No. 15

Superseding: Original Sheet No. 15

IL RATE STATEMENT - INTERRUPTIBLE LOAN SERVICE*

RATE UNITS

Interruptible Loan Market Based/ $/Dth

Charge Negotiable

Interruptible Loan Market Based/ $/Dth

Injection Charge Negotiable

Interruptible Loan Market Based/ $/Dth

Withdrawal Charge Negotiable

Payment shall be equal to the Interruptible Loan Charge multiplied

by the Dth quantity of Customer's Loan Balance at the end of each

Day, such amounts summed for all Days in a given Month, plus the

Interruptible Loan Injection Charge multiplied by the quantity

TRES PALACIOS shall have injected for Customer's account, plus the

Interruptible Loan Withdrawal Charge multiplied by the quantity

TRES PALACIOS shall have withdrawn for Customer's account, as

applicable and specified in the Customer's Hub Services Agreement.

Fuel Market Based/ In Kind %

Reimbursement Negotiable

This amount of Gas shall be reimbursed by Customer in kind, as

determined pursuant to the General Terms and Conditions of this

FERC Gas Tariff and the Customer's Hub Services Agreement.

In addition to the charges specified above, Customer shall pay all

applicable taxes set forth in either the General Terms and

Conditions of this FERC Gas Tariff or the Customer's Hub Services

Agreement and all other applicable surcharges, including, but not

limited to, ACA charges.

* All quantities of Gas are measured in Dekatherms (Dth).