National Fuel Gas Supply Corporation

Third Revised Volume No. 1

Effective Date: 04/01/1997, Docket: RP97-201-000, Status: Effective

Second Revised Sheet No. 131K Second Revised Sheet No. 131K : Superseded

Superseding: First Revised Sheet No. 131K

IR-1 RATE SCHEDULE

Hub Service - Imbalance Resolution Schedule

2. APPLICABILITY AND CHARACTER OF SERVICE (Cont'd)

Transporter from meeting all of its firm and interruptible

service obligations as an interstate pipeline, including

Transporter's system management needs. In the event that ser-

vice has already commenced and Transporter learns that the

continued furnishing of service may prevent Transporter from

meeting all of its firm and interruptible service obligations

as an interstate pipeline, then Transporter may, at its sole

discretion and upon giving appropriate notice to Shipper(s),

interrupt the continuation of any or all of the services

hereunder.

not similarly situated to non-Hub Shippers.

2.3 Service hereunder shall consist of the advance of gas by Transport-

er, up to the Maximum Advance Quantity (MAQ) specified in the IR-1

Service Agreement, at one of the Hub Point(s), and the acceptance

at the same or any other Hub Point(s) of the quantity advanced by

Transporter hereunder.

2.4 Shipper shall be required to return the quantity of gas advanced by

Transporter.

2.5 Shipper may nominate for the return of advanced gas at any time,

subject to Section 13 of the General Terms and Conditions of this

Tariff, and Transporter shall accept such gas to the extent it has

capacity to do so. The voluntary return of advanced gas hereunder

shall have a priority of service equal to service under the IT Rate

Schedule.

2.6 Shipper must return the quantities of gas specified in Section 2.3

hereof within forty eight (48) hours of receipt of notification

from Transporter.