Tres Palacios Gas Storage LLC

Original Volume No. 1

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

Original Sheet No. 49 Original Sheet No. 49

IP RATE SCHEDULE

INTERRUPTIBLE PARKING SERVICE

(Continued)

(a) Interruptible Parking Charge. A charge for each

Dth of Gas in Customer's Park Balance at the end of each Day, for

each Day during a given Month.

(b) Interruptible Parking Injection Charge. A charge

for each Dth of Customer's Gas injected into TRES PALACIOS'

facilities pursuant to Section 2(a) of this Rate Schedule during a

given invoice period.

(c) Interruptible Parking Withdrawal Charge. A charge

for each Dth of Customer's Gas withdrawn from TRES PALACIOS'

facilities pursuant to Section 2(c) of this Rate Schedule during a

given invoice period.

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

losses determined in accordance with Section 19 of the General

Terms and Conditions of this FERC Gas Tariff and set forth in

Exhibit A of Customer's Hub Services Agreement.

(e) Regulatory Fees and Charges. Customer shall

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

Customer's Hub Services Agreement.

(f) Taxes. Customer shall reimburse TRES PALACIOS for

all applicable taxes as may be assessed TRES PALACIOS, as set

forth in Section 15 of the General Terms and Conditions of this

FERC Gas Tariff and in Exhibit A of Customer's Hub Services

Agreement.

4. INVOICE

Each invoice for Interruptible parking 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 parking service contemplated hereby and to

construct and operate the Gas storage facilities necessary to

provide such parking service and for any connected pipeline to

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

to effect the parking service provided for herein.