National Fuel Gas Supply Corporation

Fourth Revised Volume No. 1

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

Second Revised Sheet No. 107 Second Revised Sheet No. 107

Superseding: Sub. First Revised Sheet No. 107

FSS RATE SCHEDULE

Firm Storage Service

5. STORAGE FIELD LOSSES (Cont'd.)

Shipper is placed on notice that Transporter may recognize storage gas

losses for rate and accounting purposes. Such losses shall be valued at

the current replacement cost of gas. After accounting recognition of

any such loss, Transporter shall record and maintain a regulatory asset

account which shall be maintained until Transporter's next general rate

change filing under Section 4 of the Natural Gas Act. In any of

Transporter's general rate change filings, Transporter may propose to

amortize storage gas losses through its base rates. This provision

shall apply to storage gas losses incurred but unamortized as of the

date upon which this provision becomes effective, and to those incurred

after that date.

6. GENERAL TERMS AND CONDITIONS

All of the General Terms and Conditions of Seller'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 hereafter shall apply

to and are made a part of this rate schedule.