National Fuel Gas Supply Corporation

Third Revised Volume No. 1

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

First Revised Sheet No. 101 First Revised Sheet No. 101 : Superseded

Superseding: Original Sheet No. 101

ESS RATE SCHEDULE

Enhanced Storage Service

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

2.7 Provided such withdrawal from storage and delivery of such gas to

Shipper can be accomplished by Transporter without detriment to

Transporter's facilities and/or Transporter's ability to meet its

firm obligations to other Shippers, Transporter, upon request of

Shipper, shall withdraw on an interruptible basis quantities of gas

in excess of the limitations set forth in Sections 2.3 and 2.11

hereof. Such excess quantities shall be referred to as authorized

overruns.

2.8 Subject to Section 11 of the General Terms and Conditions of this

tariff, an ESS Service Agreement with a primary term of one year or

longer shall continue in effect beyond the expiration of the

primary term until terminated by either party as of the end of

April 1st of any year, upon twelve (12) months written notice to

the other.

2.9 A shipper receiving service under this ESS Rate Schedule shall not

lose priority for purposes of this section by the renewal or

extension of term of that service.

2.10 Service under this ESS Rate Schedule shall be provided on a basis

that is equal in quality for all gas supplies transported hereun-

der, whether or not purchased from Seller.

2.11 The MDIQ applicable to an ESS Shipper shall equal 1/170th of the

MSQ; however, Transporter's obligation to accept gas for injection

during the Injection Season shall be limited to eighty-five percent

(85%) of the MDIQ whenever Shipper's Storage Balance is at or above

eighty percent (80%) of its MSQ.

2.12 The MDWQ applicable to an ESS Shipper shall be set forth in the ESS

Service Agreement. Transporter's obligation to withdraw gas from

storage during the Withdrawal Period shall be limited as fol-

lows: