Mississippi River Transmission Corp.

Third Revised Volume No. 1

Effective Date: 05/01/1996, Docket: RP96-199-000, Status: Effective

Second Revised Sheet No. 149 Second Revised Sheet No. 149 : Superseded

Superseding: First Revised Sheet No. 149

GENERAL TERMS AND CONDITIONS

(Continued)

10. TRANSPORTATION BALANCING (Continued)

(ix) Any imbalances resulting from revised flow

information that are determined after the transportation or

storage for that month has been billed will be cashed out at

the first tier dollar values set forth in Section

10.4(d)(ii) hereof after any necessary revised NNT storage

adjustments have been made.

10.5 Gas Trading Program

(a) The Gas Trading Program will be available to permit

Customers to trade gas to offset individual contract imbalances

incurred during the same month.

(b) A Customer transmits for posting to the Electronic

Bulletin Board a "Buy" or "Sell" message setting forth the

quantity of gas it desires to buy or sell, and a telephone

contact. Parties interested in negotiating a trade must contact

directly the posting Customer.

trade must telecopy to MRT a gas trading form indicating their

agreement to the trade, the amount to be traded, and the receipt

point(s) where the traded gas was sourced. The receipt point(s)

listed on the trade form must be valid under the receiving party's

contract. MRT will only approve trades which will not harm MRT

operationally or financially. MRT will indicate its approval on

the trading forms and telecopy the approved forms to the parties

involved. MRT will then transfer the receipt quantities traded

between the appropriate contracts and update the allocations and

balancing statements for each Customer for the affected month.

(d) For each month, MRT will establish a Gas Trading

Period during which MRT will accept gas trading forms. The Gas

Trading Period will last at least ten (10) days, and MRT will

provide at least three (3) days prior notice of each Gas Trading

Period on its Electronic Bulletin Board.