Tres Palacios Gas Storage LLC

Original Volume No. 1

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

First Revised Sheet No. 50 First Revised Sheet No. 50

Superseding: Original Sheet No. 50

IP RATE SCHEDULE

INTERRUPTIBLE PARKING SERVICE

(Continued)

6.2 TRES PALACIOS shall have the right to propose to FERC or

any other governing regulatory body such changes in its rates and

terms of service as it deems necessary, and the Hub Services

Agreement shall be deemed to include any changes which are made

effective pursuant to order or regulation or provisions of law,

without prejudice to Customer's right to protest the same;

provided, however, that any market-based rates negotiated between

TRES PALACIOS and its Customer(s) shall remain in effect during

the term of the Hub Services Agreement(s) specifying such rates.

7. CURTAILMENT

If, due to any cause whatsoever, TRES PALACIOS' capability to

receive or deliver quantities of Gas is impaired so that TRES

PALACIOS is unable to receive or deliver the quantities provided

for in its Storage Service Agreements with Customers for

Interruptible services, then capacity, withdrawals and/or

injections will be allocated according to the priority of service

as set forth in Section 5 of the General Terms and Conditions of

this FERC Gas Tariff.

8. EXPIRATION OF TERM

8.1 Upon expiration without renewal or upon termination of the

Customer's Hub Services Agreement, any of Customer's Gas remaining

in the TRES PALACIOS storage facility shall be deemed sold to TRES

PALACIOS at a price equal to 80% of the price realized for such

Gas pursuant to an auction held in accordance with Section 32 of

the General Terms and Conditions of this FERC Gas Tariff.

However, if Customer was unable to withdraw its IP Gas quantities

due to an interruption of Customer's withdrawal service by TRES

PALACIOS during the last ten Days before termination, Customer

shall be allowed to withdraw its Gas within a reasonable period

following the end of the contract term.

8.2 Payment for the remaining quantities of Gas shall appear

as a credit on the last statement rendered by TRES PALACIOS to

Customer. To the extent that the credit exceeds the total charges

in that statement, the difference shall be paid by TRES PALACIOS

to Customer on or before the 25th day of the Month following the

Month of such expiration or termination.

8.3 In the event that TRES PALACIOS purchases and takes title

to any of Customer's Gas pursuant to this Section 8, TRES PALACIOS

shall dispose of such gas at auction and shall credit the net

proceeds received from such auction in accordance with the

provisions of Section 32 of the General Terms and Conditions of

this FERC Gas Tariff.