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First Revised Sheet No. 65K First Revised Sheet No. 65K : Superseded

Superseding: Original Sheet No. 65K

FST RATE SCHEDULE

Firm Storage Transportation Service

3. RATE (Cont'd)

(f) With respect to services resulting from the assignment of

capacity associated with Transporter's Rate Schedule X-58 to

firm shippers of Transcontinental Gas Pipe Line Corporation,

a surcharge to Transporter's reservation and commodity charges

(set forth on Sheet No. 5A as "X-58 conversion surcharge"),

applicable to services that were converted from Mcf to Dth on

the basis of 1.000 Dth per Mcf.

(g) Amortization Surcharge. A charge per month per Dth of

Contract MDTQ, provided that the Shippers listed on Sheet No.

238 of Transporter's FERC Gas Tariff shall be exempt from the

Amortization Surcharge.

3.3 Transporter will retain the percent of receipts set forth on Sheet

No. 5A as "fuel, loss and company-use retention".

3.4 Except as provided by valid rule or regulation, Transporter is not

obligated to offer to transport or transport gas at any rates or

allowances less than the maximum rates and allowances specified for

this rate schedule on Sheet No. 5A; however, nothing precludes

Transporter from charging a rate between the maximum and minimum

rate or retaining an allowance less than the maximum allowance for

service under this Rate Schedule as set forth on Sheet No. 5A.

4. AUTHORIZED OVERRUN TRANSPORTATION

4.1 Upon request of Shipper, Transporter may (but is not obligated to)

receive, transport, and deliver quantities of natural gas in

excess of Shipper's Contract MDWTQ or MDITQ any day under the FST

Service Agreement when, in Transporter's judgment, the delivery

capacity of its system will permit such receipt, transportation,

and delivery without impairing the ability of Transporter to meet

its other delivery obligations. Deliveries pursuant to such

Authorized Overrun Transportation shall be subordinated to all firm

transportation and firm storage services and shall be scheduled,