Tres Palacios Gas Storage LLC

Original Volume No. 1

Effective Date: 08/01/2008, Docket: RP08-424-000, Status: Effective

Original Sheet No. 53 Original Sheet No. 53

IW RATE SCHEDULE

INTERRUPTIBLE WHEELING SERVICE

(Continued)

3. RATES AND CHARGES

Customer shall pay the rates and charges for Interruptible

wheeling service under this Rate Schedule including the applicable

wheeling rate components set forth in the IW Rate Statement and as

described below:

(a) Interruptible Wheeling Charge. A charge for each

Dth of Customer's Gas wheeled by TRES PALACIOS.

(b) Fuel Reimbursement. The amount of Gas for fuel and

losses determined in accordance with Section 19 of this FERC Gas

Tariff and as set forth in Exhibit A of Customer's Hub Services

Agreement.

reimburse TRES PALACIOS for all fees and charges, as required by

the Commission or any other regulatory body, that are related to

service provided under this Rate Schedule, as set forth in the Hub

Services Agreement.

(d) Taxes. Customer shall reimburse TRES PALACIOS for

all applicable taxes as may be assessed, as set forth in Section

15 of the General Terms and Conditions of this FERC Gas Tariff and

in Exhibit A of the Hub Services Agreement.

4. INVOICE

Each invoice for Interruptible wheeling service shall reflect

the applicable charges set forth under Section 3 of this Rate

Schedule at rates and terms set forth in Exhibit A of Customer's

Hub Services Agreement.

5. TERM

The term for service under this Rate Schedule shall be as set

forth in Exhibit A of Customer's Hub Services Agreement.

6. AUTHORIZATION, RATES, TERMS AND CHANGES

6.1 The Hub Services Agreement and the respective

obligations of the parties hereunder are subject to all valid

laws, orders, rules and regulations of duly constituted

authorities having jurisdiction, and are conditioned upon the

issuance, by FERC, and any state or local governmental agency

having jurisdiction, of requisite authorization for TRES PALACIOS

to provide the wheeling service contemplated hereby and to

construct and operate the Gas wheeling facilities necessary to

provide such wheeling service and for any connected pipeline to

transport Gas to/from the Point(s) of Receipt/Delivery necessary

to effect the wheeling service provided for herein.