National Fuel Gas Supply Corporation

Fourth Revised Volume No. 1

Effective Date: 10/01/2002, Docket: RP02-448-000, Status: Effective

First Revised Sheet No. 331 First Revised Sheet No. 331 : Effective

Superseding: Sub. Original Sheet No. 331

GENERAL TERMS AND CONDITIONS

1. DEFINITIONS OF TERMS (Cont'd.)

1.18 The term "Commission" shall mean the Federal Energy Regulatory

Commission or any superseding Federal agency.

1.19 The term "Hub Services" shall include Parking as set forth in Rate

Schedule P-1 and P-2, Wheeling as set forth in rate Schedule W-1,

and Imbalance Resolution Service as set forth in Rate Schedule IR-1

and IR-2, as may be offered to shippers.

1.20 The term "hub service agreement" shall mean the agreement by and

between Shipper and Transporter to enter into Hub service

transactions.

1.21 The term "Non-Hub Services" shall mean any services performed by

Transporter under any Rate Schedule other than the W-1, P-1, P-2,

or IR-1 or IR-2 Rate Schedule.

1.22 The term "Non-Hub Shippers" shall mean any shippers purchasing

"Non-Hub" Services from Transporter.

1.23 The term "NAESB Standards" shall mean those standardized procedures

and mechanisms for electronic communication that have been adopted

by the Wholesale Gas Quadrant of the North American Energy

Standards Board (formerly the Gas Industry Standards Board) and

incorporated by reference in the Commission's regulations.

1.24 The term "Operator" shall mean a party that operates facilities

that interconnect with the facilities of Transporter.

1.25 The term "EDM" shall mean electronic data mechanism as defined by

then-effective standards established by the Wholesale Gas Quadrant

of the North American Energy Standards Board (formerly the Gas

Industry Standards Board) and approved by the Federal Energy

Regulatory Commission.