National Fuel Gas Supply Corporation

Fourth Revised Volume No. 1

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

Third Revised Sheet No. 174 Third Revised Sheet No. 174

Superseding: Second Revised Sheet No. 174

IR-2 RATE SCHEDULE

Hub Service - Imbalance Resolution Schedule

3. RATE (Cont'd.)

3.3 Transporter will retain the percent of receipts set forth on

Sheet No. 9 as "Fuel and Company Use retention" and the percent

of receipts set forth on Sheet No. 9 as "Transportation LAUF

retention".

3.4 Transporter is not obligated to offer to resolve imbalances or to

resolve imbalances at any rates less than the maximum rates

specified for this Rate Schedule on Sheet No. 9; however, nothing

precludes Transporter from charging a rate between the maximum

and minimum rates (the current Posted Rate) for this service

under this Rate Schedule.

4. GENERAL TERMS AND CONDITIONS

The General Terms and Conditions of Transporter's effective FERC Gas

Tariff, Fourth Revised Volume No. 1, and any revisions thereof that may

be proposed and made effective from time to time thereafter, shall

apply to and are made a part of this Rate Schedule, to the extent such

terms and conditions are not inconsistent with the express terms of

this IR-2 Rate Schedule.