| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13D/A | 2007-09-14 | New Mountain Vantage LP | NATIONAL FUEL GAS CO | - | - | EDGAR |
| SC 13D/A | 2007-09-12 | New Mountain Vantage LP | NATIONAL FUEL GAS CO | 5,310,700 | 6.4% | EDGAR |
| SC 13D/A | 2007-08-07 | New Mountain Vantage LP | NATIONAL FUEL GAS CO | 5,153,200 | 6.2% | EDGAR |
| SC 13G/A | 2007-02-05 | VANGUARD FIDUCIARY TRUST CO | NATIONAL FUEL GAS CO | 5,391,957 | 6.5% | EDGAR |
| SC 13D/A | 2006-11-28 | New Mountain Vantage LP | NATIONAL FUEL GAS CO | 4,674,524 | 5.6% | EDGAR |
| SC 13D | 2006-10-30 | New Mountain Vantage LP | NATIONAL FUEL GAS CO | 3,727,900 | 4.5% | EDGAR |
| SC 13G | 2006-02-10 | KENNEDY BERNARD J | NATIONAL FUEL GAS CO | 4,233,329 | 4.8% | EDGAR |
| SC 13G/A | 2006-02-08 | VANGUARD FIDUCIARY TRUST CO | NATIONAL FUEL GAS CO | 5,716,237 | 6.8% | EDGAR |
| SC 13G/A | 2005-02-11 | KENNEDY BERNARD J | NATIONAL FUEL GAS CO | 4,484,595 | 5.2% | EDGAR |
| SC 13G/A | 2005-02-02 | VANGUARD FIDUCIARY TRUST CO | NATIONAL FUEL GAS CO | 5,743,037 | 6.9% | EDGAR |
| SC 13G | 2004-02-20 | KENNEDY BERNARD J | NATIONAL FUEL GAS CO | 4,576,105 | 5.4% | EDGAR |
| SC 13G | 2004-02-10 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | NATIONAL FUEL GAS CO | 2,704,026 | 3.3% | EDGAR |
| SC 13G/A | 2004-01-29 | VANGUARD FIDUCIARY TRUST CO | NATIONAL FUEL GAS CO | 5,882,219 | 7.2% | EDGAR |
| SC 13G/A | 2003-02-12 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | NATIONAL FUEL GAS CO | 7,007,542 | 8.7% | EDGAR |
| SC 13G/A | 2003-02-11 | VANGUARD FIDUCIARY TRUST CO | NATIONAL FUEL GAS CO | 5,054,366 | 6.3% | EDGAR |
| SC 13G | 2002-02-13 | VANGUARD FIDUCIARY TRUST CO | NATIONAL FUEL GAS CO | 3,994,717 | 5.0% | EDGAR |
| SC 13G/A | 2002-02-12 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | NATIONAL FUEL GAS CO | 6,797,012 | 8.6% | EDGAR |
| SC 13G | 2001-02-12 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | NATIONAL FUEL GAS CO | 2,059,084 | 5.2% | EDGAR |