National Fuel Gas Supply Corporation

Fourth Revised Volume No. 1

Effective Date: 01/01/1999, Docket: RP99-180-000, Status: Effective

First Revised Sheet No. 390 First Revised Sheet No. 390 : Effective

Superseding: Sub. Original Sheet No. 390

GENERAL TERMS AND CONDITIONS

14. ALLOCATION AND IMBALANCES (Cont'd.)

(vii) Transporter is not required to exercise its option if

Transporter believes, in its sole discretion, that

exercise of its option would not be prudent at that

time.

14.10 Cash-Out of Imbalances

If a Shipper which has elected (or been deemed to elect) to

resolve imbalances via cash-out has a Cumulative Monthly

Imbalance in excess of one MITL, that Shipper's entire Cumulative

Monthly Imbalance shall be cashed-out as described in this

Section 14.10.

(a) Clearing of negative imbalances. Should such imbalance be

negative, the imbalance shall be subject to Negative Imbal-

ance Cash-Out.

The Negative Imbalance Cash-Out Price is a price per Dth

which is applied to the amount of the Shipper's negative

imbalance. Shipper's regular invoice for transportation

services will include the money owed by Shipper under this

Negative Imbalance Cash-Out, which will be subject to all

payment and collection requirements applicable to that bill.

Upon receipt of payment, Transporter will make gas account-

ing entries reducing the amount of Shipper's negative imbal-

ance accordingly.

Transporter shall post the Negative Imbalance Cash-Out Price

for each month on its Web Site. The Negative Imbalance

Cash-Out Price shall be equal to one hundred ten percent

(110%) of the following index (the "Index"):

SWI + WAT