NATIONAL FUEL GAS CO

For the period ended Mar 12, 2026. Filed Jan 23, 2026.

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Mar 12, 2026 · Filed Jan 23, 2026

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NFG$73.43-0.7%Stored close · as of Nov 6, 2026

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Contents

Code of Ethics

The Company has adopted a Code of Business Conduct and Ethics that applies to the Company’s directors, principal executive officer, principal financial officer, controller, other officers and employees that is designed to deter wrongdoing and to promote honest and ethical conduct. The code deals with a variety of corporate matters, including compliance with laws, conflicts of interest, corporate opportunities, use of company resources, fair dealing and confidentiality of company information. The text of the code is available on the Company’s website atwww.nationalfuel.com, under the Governance section of our Investor Relations page.

30	National Fuel Gas Company \| 2026 PROXY STATEMENT

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