Petal Gas Storage, L. L. C.

Original Volume No. 1

Effective Date: 07/25/2008, Docket: RP08-421-000, Status: Effective

Third Revised Sheet No. 122 Third Revised Sheet No. 122

Superseding: Second Revised Sheet No. 122

GENERAL TERMS AND CONDITIONS (Continued)

are in terms of such unit. Notwithstanding the foregoing, it is agreed

that, for all purposes, the dth content of the gas received and

delivered by Petal hereunder shall be measured on an "as delivered"

basis rather than a fully saturated or "wet" basis.

13.2 Petal shall install, maintain and operate, or cause to be installed,

maintained and operated, the measurement facilities required hereunder.

Said measurement facilities shall be so equipped with orifice meters,

recording gauges, or other types of meters of standard make and design

commonly acceptable in the industry, as to accomplish the accurate

measurement of gas delivered hereunder. The retrieval of data,

calibrating and adjustment of meters shall be done by Petal or its

agent.

14. BILLINGS AND PAYMENTS

14.1 Invoice. On or before the ninth (9th) Business Day of each month, Petal

shall provide Customer (including a Replacement Customer) an invoice

(which may be transmitted by fax or electronic mail) setting forth (i)

the Capacity and Deliverability Charges due for the current month (or

applicable Standby Charges); (ii) the total quantity of gas received

from and delivered to Customer hereunder during the preceding month(s),

with applicable Point(s) of Receipt and Point(s) of Delivery properly

identified, and the amount (Injection, Withdrawal and Overrun Charges)

due therefore; and (iii) the amount of Customer's gas in storage as of

the close of the preceding month and information sufficient to explain

and support any adjustments made by Petal in determining the amount

billed. If actual volumes are not available by the ninth (9th) business

day of the month, Petal may invoice based on estimated volumes, based on

best available data, subject to adjustment to actuals at a later date.

14.2 Application of Payments for Released Storage Capacity. Payments to

Petal by a Replacement Customer for released capacity shall by applied

as follows: (i) Petal shall retain amounts equal to the Releasing

Customer's rates for Storage Injection Charge, Overrun Injection Charge,

Storage Withdrawal Charge, and Overrun Withdrawal Charge multiplied by

the Replacement Customer's volumes; (ii) Petal will credit the balance

to Capacity and Deliverability Charges due from the