National Fuel Gas Supply Corporation

Fourth Revised Volume No. 1

Effective Date: 04/21/2010, Docket: RP10-504-000, Status: Effective

First Revised Sheet No. 440 First Revised Sheet No. 440

Superseding: Original Sheet No. 440

GENERAL TERMS AND CONDITIONS

25. PROVISIONS APPLICABLE ONLY TO RATE SCHEDULES SS-1 AND SS-2

The provisions of this Section 25 are applicable only to services under

Rate Schedules SS-1 or SS-2. This Section 25 is intended to preserve, to

the extent possible, all the terms of service formerly provided by Penn-

York Energy Corporation ("Penn-York") before Penn-York was merged into

Transporter in 1994. This Section 25 contains the General Terms and

Conditions from Penn-York's tariff upon the effective date of that

merger, except for any Penn-York tariff provision which was effectively

the same as another provision in Transporter's General Terms and

Conditions. Transporter's other General Terms and Conditions shall

govern services under Rate Schedules SS-1 or SS-2 except to the extent of

any conflict with the provisions of this Section 25, in which case the

provisions of this Section 25 shall govern.

25.1 Definition of Terms

The following terms are intended and used and shall be construed to

have the following meanings:

(a) The term "contract year" shall mean the year commencing

April 1.

(b) The term "total heating value" when applied to a cubic foot of

gas, means the number of British thermal units produced by the

complete combustion with air, at a constant pressure, of one

anhydrous (dry) cubic foot of gas at a pressure of 14.73 PSIA

and a temperature of 60 Fahrenheit when the products of

combustion are cooled to the initial temperature of the gas and

air, and when water formed by combustion is condensed to a

liquid state.

express in Mcf's unless other specified.

(d) The term "Penn-York" shall mean Penn-York Energy Corporation,

which was merged into Transporter in 1994. Any references in

Rate Schedules SS-1 or SS-2, or in any service agreement

thereunder, to Penn-York shall be deemed to refer to

Transporter.