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. 48 First Revised Sheet No. 48

Superseding: Original Sheet No. 48

IP RATE SCHEDULE

INTERRUPTIBLE PARKING SERVICE

(Continued)

(b) The storage of Gas in amounts up to Customer's Maximum Park

Quantity provided that all Firm Storage Service storage needs have

been satisfied; and

(c) The withdrawal from storage on any Day and delivery of

Customer's Gas per Customer's nomination to the Point(s) of

Delivery up to Customer's Maximum Daily Withdrawal Quantity

("MDWQ") stated in the Customer's Hub Services Agreement, provided

that all Firm Storage Service nominations or withdrawals have been

satisfied, and that Customer has a quantity of Gas stored in

Customer's Park Balance not less than the quantity the Customer

shall have nominated for withdrawal on such Day.

To the extent storage capacity which is being utilized by an

Interruptible Customer hereunder is needed by TRES PALACIOS in

order to satisfy TRES PALACIOS' obligations to Firm Storage

Services, TRES PALACIOS shall require Customer to withdraw all, or

any portion of, the IP Gas quantities held in storage by TRES

PALACIOS for the account of Customer as specified by TRES

PALACIOS. Unless TRES PALACIOS otherwise agrees, Customer shall

be required to make ratable withdrawals. If Customer fails to

withdraw such IP Park Balance, then TRES PALACIOS may take, free

and clear of any adverse claims, title to such IP Park Balance as

Customer was instructed to withdraw. TRES PALACIOS' notice to

Customer may be given orally, but shall be confirmed in writing

via e-mail or facsimile to the Customer.

In the event that TRES PALACIOS retains and takes title to any

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

credit the value of such gas, net of any costs incurred by TRES

PALACIOS to take title to and/or resell such Gas, in accordance

with the provisions of Section 32 of the General Terms and

Conditions of this FERC Gas Tariff.

In the event TRES PALACIOS needs to require Customer to

withdraw its Gas from storage pursuant to this Section, TRES

PALACIOS shall provide day-ahead notice to Customer that it must

withdraw Gas at its MDWQ during the next Gas Day. TRES PALACIOS

shall repeat this notice on a daily basis until all of Customer's

Gas is withdrawn from storage or until the circumstances

necessitating interruption are alleviated. In the event Customer

makes a timely nomination in response to a notification by TRES

PALACIOS pursuant to this paragraph, Customer's obligation to

comply with that notification shall be tolled until such time as

TRES PALACIOS' operational conditions allow TRES PALACIOS to

schedule the nomination.

3. RATES AND CHARGES

Customer shall pay rates and charges for Interruptible parking

service under this Rate Schedule including the applicable parking

rate components set forth in the IP Rate Statement and as

described below: