Mississippi Canyon Gas Pipeline, LLC

First Revised Volume No. 1

Effective Date: 03/01/1999, Docket: RP99-228-000, Status: Effective

Original Sheet No.20A Original Sheet No.20A : Effective

5. (a) (continued):

Option Q: Quarterly Election

(i) If the summation of the quantity of gas

allocated to Shipper's FT-2 Transportation

Service Agreement at the Delivery Point(s) in

the month plus the two preceding months

equals or exceeds 80% of the Maximum Daily

Quantity specified in the FT-2 Transportation

Service Agreement for the same three months

multiplied by the Shipper Specific Heating

Value for the same three months and

multiplied by the number of days in the

months: a reservation charge equal to the

product of the applicable Reservation Rate

multiplied by the quantity of gas allocated

to Shipper's FT-2 Transportation Service

Agreement at the Delivery Point(s) during the

month; or

(ii) If the summation of the quantity of gas allocated

to Shipper's FT-2 Transportation Service Agreement

at the Delivery Point(s) in the month plus the two

preceding months is less than 80% of the Maximum

Daily Quantity specified in the FT-2

Transportation Service Agreement for the same

three months multiplied by the Shipper Specific

Heating Value for the same three months and

multiplied by the number of days in the months: a

reservation charge equal to the product of the

applicable Reservation Rate multiplied by the

Maximum Daily Quantity specified in the FT-2

Transportation Service Agreement multiplied by the

Shipper Specific Heating Value for the month and

multiplied by the number of days in the month; and

(iii) The minimum number of Delivery Periods, as

the term Delivery Period is defined in

article 1.4 Option Q of the FT-2

Transportation Service Agreement, shall be

four (4) and all Delivery Periods shall be

consecutive.