| Id | Content |
|---|---|
| F1 | Acquired through dividend reinvestment feature of the National Fuel Gas Company Deferred Compensation Plan for Directors and Officers, exempt under Rule 16a-11. |
| F2 | Each deferred stock unit is the economic equivalent of one share of common stock. The deferred stock units become payable, in shares of common stock, after the reporting person's termination of service as a director, pursuant to the reporting person's distribution election under the National Fuel Gas Company Deferred Compensation Plan for Directors and Officers. |
| F3 | Acquired through quarterly grant under the National Fuel Gas Company 2009 Non-Employee Director Equity Compensation Plan, and deferred pursuant to the reporting person's election under the National Fuel Gas Company Deferred Compensation Plan for Directors and Officers. |