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NATIONAL FUEL GAS CO

For the period ended Sep 30, 2025. Filed Nov 21, 2025.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Nov 21, 2025

NFG$74.66+0.7%Stored close · as of Nov 10, 2026

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Contents

Item 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

Item 15Exhibits and Financial Statement Schedules
(a)1.Financial Statements

Financial statements filed as part of this report are listed in the index included in Item 8 of this Form 10-K, and reference is made thereto.

(a)2.Financial Statement Schedules

All schedules are omitted because they are not applicable or the required information is shown in the Consolidated Financial Statements or Notes thereto.

(a)3.Exhibits

All documents referenced below were filed pursuant to the Securities Exchange Act of 1934 by National Fuel Gas Company (File No. 1-3880), unless otherwise noted.

ExhibitNumberDescription ofExhibits
2Plan of Acquisition, Reorganization, Arrangement, Liquidation or Succession:
•Securities Purchase Agreement, dated as of October 20, 2025, by and between the Company and CenterPoint Energy Resources Corp. (Exhibit 10.1, Form 8-K dated October 21, 2025)
3(i)Articles of Incorporation:
•Restated Certificate of Incorporation of National Fuel Gas Company dated September 21, 1998; Certificate of Amendment of Restated Certificate of Incorporation dated March 14, 2005 (Exhibit 3.1, Form 10-K for fiscal year ended September 30, 2012)
•Certificate of Amendment of Restated Certificate of Incorporation, as amended, of National Fuel Gas Company (Exhibit 3.1, Form 8-K dated March 16, 2021)
3(ii)By-Laws:
•By-Laws of National Fuel Gas Company, as amended June 15, 2022 (Exhibit 3.1, Form 8-K dated June 17, 2022)
4Instruments Defining the Rights of Security Holders, Including Indentures:
•Indenture dated as of October 1, 1999, between the Company and The Bank of New York Mellon (formerly The Bank of New York) (Exhibit 4.1, Form 10-K for fiscal year ended September 30, 1999)
•Officers Certificate establishing 3.95% Notes due 2027, dated September 27, 2017 (Exhibit 4.1.1, Form 8-K dated September 27, 2017)

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ExhibitNumberDescription ofExhibits
•Officers Certificate establishing 4.75% Notes due 2028, dated August 17, 2018 (Exhibit 4.1.1, Form 8-K dated August 17, 2018)
•Officer’s Certificate establishing 2.95% Notes due 2031, dated February 24, 2021 (Exhibit 4.1.1, Form 8-K dated February 24, 2021)
•Officer’s Certificate establishing 5.50% Notes due 2026, dated May 18, 2023 (Exhibit 4.1.1, Form 8-K dated May 18, 2023)
•Officer’s Certificate establishing 5.50% Notes due 2030 and 5.95% Notes due 2035, dated February 19, 2025 (Exhibit 4.1.1, Form 8-K dated February 19, 2025)
10Material Contracts:
•Form of Indemnification Agreement, dated September 2006, between the Company and each Director (Exhibit 10.1, Form 8-K dated September 18, 2006)
•Credit Agreement, dated as of February 28, 2022, among the Company, the Lenders party thereto, and JPMorgan Chase Bank, N.A. as Administrative Agent (Exhibit 10.1, Form 8-K dated February 28, 2022)
•Amendment No. 1 to Credit Agreement, dated as of May 3, 2022, among the Company, the Lenders party thereto, and JPMorgan Chase Bank, N.A. as Administrative Agent (Exhibit 10.1, Form 10-Q dated May 6, 2022)
•Credit Agreement Existing Maturity Date Extension Consent, dated January 28, 2025, among the Company, the Lenders party thereto, and JPMorgan Chase Bank, N.A., as Administrative Agent (Exhibit 10.1, Form 10-Q for the quarterly period ended March 31, 2025)
10.1Amendment No. 2 to Credit Agreement, dated as of November 6, 2025, among the Company, the Lenders party thereto, and JPMorgan Chase Bank, N.A. as Administrative Agent
•Term Loan Agreement, dated as of February 14, 2024, among the Company, the Lenders party thereto, and JPMorgan Chase Bank, N.A., as Administrative Agent (Exhibit 10.1, Form 8-K dated February 14, 2024)
10.2Amendment No. 1 to Term Loan Agreement, dated as of November 6, 2025, among the Company, the Lenders party thereto, and JPMorgan Chase Bank, N.A. as Administrative Agent
Management Contracts and Compensatory Plans and Arrangements:
•Standard Form of Amended and Restated Employment Continuation and Noncompetition Agreement among the Company, a subsidiary of the Company (other than Seneca) and an executive officer (Exhibit 10.1, Form 10-K for the fiscal year ended September 30, 2008)
•Form of Employment Continuation and Noncompetition Agreement between Seneca Resources Company, LLC and an executive officer of the Company employed by Seneca (Exhibit 10.1, Form 10-K for the fiscal year ended September 30, 2024)
•National Fuel Gas Company 2010 Equity Compensation Plan, as amended and restated December 7, 2023 (Exhibit 10.1, Form 8-K dated March 11, 2024)
•National Fuel Gas Company 2012 Annual At Risk Compensation Incentive Plan (Exhibit 10.2, Form 10-Q for the quarterly period ended March 31, 2012)
•National Fuel Gas Company Executive Annual Cash Incentive Program (Exhibit 10.3, Form 10-Q for the quarterly period ended December 31, 2009)
•National Fuel Gas Company Deferred Compensation Plan, as amended and restated through March 20, 1997 (Exhibit 10.3, Form 10-K for fiscal year ended September 30, 1997)
•Amendment to National Fuel Gas Company Deferred Compensation Plan, dated June 16, 1997 (Exhibit 10.4, Form 10-K for fiscal year ended September 30, 1997)

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ExhibitNumberDescription ofExhibits
•Amendment No. 2 to the National Fuel Gas Company Deferred Compensation Plan, dated March 13, 1998 (Exhibit 10.1, Form 10-K for fiscal year ended September 30, 1998)
•Amendment to the National Fuel Gas Company Deferred Compensation Plan, dated February 18, 1999 (Exhibit 10.1, Form 10-Q for the quarterly period ended March 31, 1999)
•Amendment to National Fuel Gas Company Deferred Compensation Plan, dated June 15, 2001 (Exhibit 10.3, Form 10-K for fiscal year ended September 30, 2001)
•Amendment to the National Fuel Gas Company Deferred Compensation Plan, dated October 21, 2005 (Exhibit 10.5, Form 10-K for fiscal year ended September 30, 2005)
•Amendment to National Fuel Gas Company Deferred Compensation Plan, dated December 14, 2020 (Exhibit 10.3, Form 10-Q for the quarterly period ended December 31, 2020)
•National Fuel Gas Company Deferred Compensation Plan for Directors and Officers (Amended and Restated Effective September 1, 2021) (Exhibit 10.1, Form 8-K dated June 23, 2021)
•Form of Letter Regarding Tophat Plan and Internal Revenue Code Section 409A, dated July 12, 2005 (Exhibit 10.7, Form 10-K for fiscal year ended September 30, 2005)
•National Fuel Gas Company Tophat Plan, as amended September 20, 2007 (Exhibit 10.3, Form 10-K for the fiscal year ended September 30, 2007)
•Amendment to National Fuel Gas Company Tophat Plan, dated December 14, 2020 (Exhibit 10.5, Form 10-Q for the quarterly period ended December 31, 2020)
•Split Dollar Insurance and Death Benefit Agreement, dated September 15, 1997, between the Company and David F. Smith (Exhibit 10.13, Form 10-K for fiscal year ended September 30, 1999)
•Amendment Number 1 to Split Dollar Insurance and Death Benefit Agreement by and between the Company and David F. Smith, dated March 29, 1999 (Exhibit 10.14, Form 10-K for fiscal year ended September 30, 1999)
•National Fuel Gas Company Parameters for Executive Life Insurance Plan (Exhibit 10.1, Form 10-K for fiscal year ended September 30, 2004)
•National Fuel Gas Company and Participating Subsidiaries Executive Retirement Plan, Amended and Restated as of September 24, 2008 (Exhibit 10.5, Form 10-K for the fiscal year ended September 30, 2008)
•Amendment to National Fuel Gas Company and Participating Subsidiaries Executive Retirement Plan, dated June 1, 2010 (Exhibit 10.1, Form 10-Q for the quarterly period ended June 30, 2010)
•Amendment to National Fuel Gas Company and Participating Subsidiaries Executive Retirement Plan, dated August 13, 2015 (Exhibit 10.2, Form 10-K for the fiscal year ended September 30, 2015)
•Amendment to National Fuel Gas Company and Participating Subsidiaries Executive Retirement Plan, dated December 14, 2020 (Exhibit 10.4, Form 10-Q for the quarterly period ended December 31, 2020)
•National Fuel Gas Company 2009 Non-Employee Director Equity Compensation Plan, as amended and restated March 11, 2020 (Exhibit 10.1, Form 10-Q for the quarterly period ended March 31, 2020)
•Form of Award Notice for Return on Capital Performance Shares under the National Fuel Gas Company 2010 Equity Compensation Plan (Exhibit 10.1, Form 10-Q for the quarterly period ended December 31, 2024)

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ExhibitNumberDescription ofExhibits
•Form of Award Notice for Total Shareholder Return Performance Shares under the National Fuel Gas Company 2010 Equity Compensation Plan (Exhibit 10.2, Form 10-Q for the quarterly period ended December 31, 2024)
•Form of Award Notice for Emissions Reduction Performance Shares under the National Fuel Gas Company 2010 Equity Compensation Plan (Exhibit 10.3, Form 10-Q for the quarterly period ended December 31, 2024)
•Form of Award Notice for Return on Capital Performance Shares under the National Fuel Gas Company 2010 Equity Compensation Plan (Exhibit 10.1, Form 10-Q for the quarterly period ended December 31, 2023)
•Form of Award Notice for Total Shareholder Return Performance Shares under the National Fuel Gas Company 2010 Equity Compensation Plan (Exhibit 10.2, Form 10-Q for the quarterly period ended December 31, 2023)
•Form of Award Notice for ESG Performance Shares under the National Fuel Gas Company 2010 Equity Compensation Plan (Exhibit 10.3, Form 10-Q for the quarterly period ended December 31, 2023)
•Form of Award Notice for Retention Grant Return on Capital Performance Shares under the National Fuel Gas Company 2010 Equity Compensation Plan (Exhibit 10.4, Form 10-Q for the quarterly period ended December 31, 2023)
•Form of Award Notice for Retention Grant Return on Total Shareholder Return Performance Shares under the National Fuel Gas Company 2010 Equity Compensation Plan (Exhibit 10.5, Form 10-Q for the quarterly period ended December 31, 2023)
•Form of Award Notice for Return on Capital Performance Shares under the National Fuel Gas Company 2010 Equity Compensation Plan (Exhibit 10.1, Form 10-Q for the quarterly period ended December 31, 2022)
•Form of Award Notice for Total Shareholder Return Performance Shares under the National Fuel Gas Company 2010 Equity Compensation Plan (Exhibit 10.2, Form 10-Q for the quarterly period ended December 31, 2022)
•Form of Award Notice for ESG Performance Shares under the National Fuel Gas Company 2010 Equity Compensation Plan (Exhibit 10.3, Form 10-Q for the quarterly period ended December 31, 2022)
•Administrative Rules of the Compensation Committee of the Board of Directors of National Fuel Gas Company, as amended and restated effected December 1, 2023 (Exhibit 10.6, Form 10-Q for the quarterly period ended December 31, 2023)
•Retirement and Consulting Services Agreement, dated as of March 9, 2023, between National Fuel Gas Distribution Corporation and Karen M. Camiolo (Exhibit 10.1, Form 10-Q for the quarterly period ended March 31, 2023)
•Consulting Services Agreement, dated as of June 13, 2025, between the Company and Donna L. DeCarolis (Exhibit 10.1, Form 10-Q for the quarterly period ended June 30, 2025)
19Insider Trading Policies and Procedures:
•Policy on Insider Trading in National Fuel Gas Company Securities, dated September 14, 2023 (Exhibit 19, Form 10-K for the fiscal year ended September 30, 2024)
21Subsidiaries of the Registrant
23Consents of Experts:
23.1Consent of Netherland, Sewell & Associates, Inc. regarding Seneca Resources Company, LLC
23.2Consent of Independent Registered Public Accounting Firm

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ExhibitNumberDescription ofExhibits
31Rule 13a-14(a)/15d-14(a) Certifications:
31.1Written statements of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a) of the Exchange Act
31.2Written statements of Principal Financial Officer pursuant to Rule 13a-14(a)/15d-14(a) of the Exchange Act
32••Certification furnished pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
97Policy Relating to Recovery of Erroneously Awarded Compensation:
•National Fuel Gas Company Clawback Policy, effective December 1, 2023 (Exhibit 97, Form 10-K for the fiscal year ended September 30, 2024)
99Additional Exhibits:
99.1Report of Netherland, Sewell & Associates, Inc. regarding Seneca Resources Company, LLC
99.2Company Maps
101Interactive data files submitted pursuant to Regulation S-T, formatted in Inline XBRL (eXtensible Business Reporting Language): (i) the Consolidated Statements of Income and Earnings Reinvested in the Business for the years ended September 30, 2025, 2024 and 2023, (ii) the Consolidated Statements of Comprehensive Income for the years ended September 30, 2025, 2024 and 2023, (iii) the Consolidated Balance Sheets at September 30, 2025 and September 30, 2024, (iv) the Consolidated Statements of Cash Flows for the years ended September 30, 2025, 2024 and 2023 and (v) the Notes to Consolidated Financial Statements.
104Cover Page Interactive Data File (embedded within the Inline XBRL document)
•Incorporated herein by reference as indicated.
All other exhibits are omitted because they are not applicable or the required information is shown elsewhere in this Annual Report on Form 10-K.
••In accordance with Item 601(b)(32)(ii) of Regulation S-K and SEC Release Nos. 33-8238 and 34-47986, Final Rule: Management’s Reports on Internal Control Over Financial Reporting and Certification of Disclosure in Exchange Act Periodic Reports, the material contained in Exhibit 32 is “furnished” and not deemed “filed” with the SEC and is not to be incorporated by reference into any filing of the Registrant under the Securities Act of 1933 or the Exchange Act, whether made before or after the date hereof and irrespective of any general incorporation language contained in such filing, except to the extent that the Registrant specifically incorporates it by reference.
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