Tres Palacios Gas Storage LLC

Original Volume No. 1

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Effective Date: 07/25/2009, Docket: RP09-260-004, Status: Effective

First Revised Sheet No. 21 First Revised Sheet No. 21

Superseding: Original Sheet No. 21

FSS RATE SCHEDULE

FIRM STORAGE SERVICE

(Continued)

(c) The withdrawal from storage on any Day of Customer's Gas per

Customer's nomination up to Customer's Maximum Daily Withdrawal

Quantity ("MDWQ") as stated in Customer's executed Firm Storage

Service Agreement and the delivery of such Gas to the Point(s) of

Delivery, provided that Customer has a quantity of Gas in

Customer's firm Storage Inventory not less than the quantity

Customer shall have nominated for withdrawal on such Day.

2.2 Customer's rights to utilize Points of Receipt and

Points of Delivery as primary points shall be specified in

Customer's Firm Storage Service Agreement as a Maximum Daily

Receipt Quantity ("MDRQ") or Maximum Daily Delivery Quantity

("MDDQ") applicable to each such point. TRES PALACIOS shall

afford a prospective Firm Storage Service Customer the right to

negotiate with TRES PALACIOS to include in its Firm Storage

Service Agreement the right to use any other TRES PALACIOS Points

of Receipt or Points of Delivery, or primary points in excess of

MDRQ or MDDQ, on a secondary basis, subject to Customer's MDIQ and

MDWQ, the priorities of service and other provisions of this

Tariff and the Federal Energy Regulatory Commission's regulations

and policies generally governing receipt and delivery point

flexibility.

3. RATES AND CHARGES

Customer shall pay rates and charges for Firm Storage Service

under this Rate Schedule including the applicable storage rate

components set forth in the FSS Rate Statement and as described

below:

(a) Storage Reservation Charge. A Monthly charge for

each Dth of Customer's Maximum Storage Quantity.

(b) Withdrawal Reservation Charge. A Monthly charge

for each Dth of Customer's Maximum Daily Withdrawal Quantity.

(c) Injection Reservation Charge. A Monthly charge

for each Dth of Customer's Maximum Daily Injection Quantity.

(d) Storage Injection Charge. A usage charge for each

Dth of Customer's Gas injected into TRES PALACIOS' facilities

pursuant to Section 2.1(a) of this Rate Schedule for each Day

during a given Month.