National Fuel Gas Supply Corporation

Fourth Revised Volume No. 1

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Effective Date: 08/01/1997, Docket: RP97-398-000, Status: Effective

Original Sheet No. 846 Original Sheet No. 846 : Effective

FORM OF UNDERGROUND STORAGE SERVICE AGREEMENT

(Rate Schedule SS-1 -- 110 Day Service)

ARTICLE I (Continued)

Character of Service and Volumes

Maximum Daily

Percentage Injection Volume

Annual Storage Based on _______

Volume Occupied (Mcf)

Less than 10% 1/150

From greater than 10% to 30% 1/160

From greater than 30% to 50% 1/175

From greater than 50% to 70% 1/185

From greater than 70% to 100% 1/200

(iii) Maximum Daily Withdrawal Volume

From the commencement of the first contract year and continuing for

the remaining term of this agreement the Maximum Daily Withdrawal Volume

will vary according to the percentage of Buyer's Annual Storage Volume

occupied at the commencement of any given day as follows:

Maximum Daily

Percentage Injection Volume

Annual Storage Based on _______

Volume Occupied (Mcf)

From greater than 30% to 100% 1/110

From greater than 15% to 30% 1/120

From greater than 10% to 15% 1/135

Less than 10% 1/150