Mississippi River Transmission Corp.

Third Revised Volume No. 1

Effective Date: 05/01/1997, Docket: RP97- 73-002, Status: Effective

First Revised Sheet No. 114 First Revised Sheet No. 114 : Superseded

Superseding: Original Sheet No. 114

GENERAL TERMS AND CONDITIONS

(Continued)

7. CONDITIONS OF RECEIPT AND DELIVERY (Continued)

(b) Constant Rates. MRT shall tender and Customer shall

receive gas transported hereunder at uniform hourly rates as and when

operationally feasible throughout each day and throughout each month.

7.12 Delivery Point Aggregation

MRT will treat all the operationally similar delivery points of

an integrated system as one delivery point. Such aggregated points

shall be set forth in MRT's Services Handbook, and shall be

designated with one delivery location code.

7.13 PDA - Deliveries

(a) The PDA methodology provided will be utilized by MRT for

the allocation of deliveries. The PDA methodologies which may be

agreed upon in accordance with GISB Standards include: ranked, pro

rata (weighted), percentage and swing. Entities affected by the

allocation of gas quantities shall be entitled to know the allocation

methodology utilized, except that MRT shall keep confidential the

names of the other entities involved unless otherwise agreed by the

affected parties. MRT shall provide daily operational allocations

within one (1) business day after the day of gas flow as set forth in

Section 10.1 of these General Terms and Conditions. MRT may use

scheduled quantities as the basis for such reports if such

information is the best information available.

(b) Two welded parties should agree on who submits a PDA

methodology and who allocates at the point before gas flows

("allocating party").

effect for a point.

(d) Only one PDA allocation methodology should be applied per

allocation period.

(e) The upstream or downstream party providing the point

confirmation should submit the PDA to the allocating party after or

during confirmation and before start of gas day.