Attached files
file | filename |
---|---|
EX-99 - EX-99 - NATIONAL FUEL GAS CO | nfg-3312021xexhibit99.htm |
EX-32 - EX-32 - NATIONAL FUEL GAS CO | nfg-3312021xexhibit32.htm |
EX-31.2 - EX-31.2 - NATIONAL FUEL GAS CO | nfg-3312021xexhibit312.htm |
EX-31.1 - EX-31.1 - NATIONAL FUEL GAS CO | nfg-3312021xexhibit311.htm |
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