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. 870 First Revised Sheet No. 870 : Effective

Superseding: Original Sheet No. 870

INTERCONNECTION AGREEMENT

ARTICLE V

(Cont'd)

(including rights set forth in any tariff provisions incorporated by

reference below), Positive Imbalances shall be resolved either "in-kind" or

by "cash-out" in accordance with the provisions applicable to Shippers as

set forth at Sections 14.9-14.13 of the General Terms and Conditions of

Transporter's effective FERC Gas Tariff.

ARTICLE VI

INCORPORATION OF TARIFF PROVISIONS

(A) The provisions of Transporterþs effective FERC Gas Tariff

applicable to the relationship between Transporter and Operator, and any

revisions thereof that may be made effective hereafter, are hereby made

applicable to and part hereof by reference. Without limitation of the

foregoing, such tariff provisions include the definitions therein and the

provisions regarding gas quality, measurement, measurement equipment,

possession of gas and responsibility, warranty of title, force majeure and

remedies, nominating and scheduling services, unauthorized tenders and

receipts, and gas industry standards.

ARTICLE VII

MISCELLANEOUS

(A) No change, modification or alteration of this Agreement shall be

or become effective until executed in writing by the parties hereto, and no

course of dealing between the parties shall be construed to alter the terms

hereof, except as expressly stated herein.

(B) No waiver by any party of any one or more defaults by the other

in the performance of any provisions of this Agreement shall operate or be

construed as a waiver of any other default or defaults, whether of a like

or of a different character.