1 unchanged sentence
Trading Arrangements
−Removed: During the quarter ended March 31, 2025, no director or officer (as defined in Rule 16a-1(f) promulgated under the Exchange Act) of the Company adopted or terminated any “Rule 10b5–1 trading arrangement” or any “non-Rule 10b5–1 trading arrangement,” as each term is defined in Item 408 of Regulation S-K.
−Removed: Table of Content
+Added: During the quarter ended June 30, 2025, no director or officer (as defined in Rule 16a-1(f) promulgated under the Exchange Act) of the Company adopted or terminated any “Rule 10b5–1 trading arrangement” or any “non-Rule 10b5–1 trading arrangement,” as each term is defined in Item 408 of Regulation S-K.
Description of Exhibit
−Removed: • Officer’s Certificate dated February 19, 2025, establishing the terms of the 5.50% Notes due 2030 and 5.95% Notes due 2035 (Exhibit 4.1.1, Form 8-K dated February 19, 2025).
−Removed: 10.1 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.
+Added: 10.1 Consulting Services Agreement, dated as of June 13, 2025, between National Fuel Gas Company and Donna L.
31.1 Written statements of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a) of the Exchange Act.
1 unchanged sentence
32•• Certification furnished pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
−Removed: 99 National Fuel Gas Company Consolidated Statements of Income for the Twelve Months Ended March 31, 2025 and 2024.
+Added: 99 National Fuel Gas Company Consolidated Statements of Income for the Twelve Months Ended June 3 0 , 2025 and 2024.
+Added: Table of Content
+Added: Description of Exhibit
101 Interactive data files submitted pursuant to Regulation S-T, formatted in Inline XBRL (eXtensible Business Reporting Language):
−Removed: (i) the Consolidated Statements of Income and Earnings Reinvested in the Business for the six months ended March 31, 2025 and 2024, (ii) the Consolidated Statements of Comprehensive Income for the six months ended March 31, 2025 and 2024, (iii) the Consolidated Balance Sheets at March 31, 2025 and September 30, 2024, (iv) the Consolidated Statements of Cash Flows for the six months ended March 31, 2025 and 2024 and (v) the Notes to Condensed Consolidated Financial Statements.
+Added: (i) the Consolidated Statements of Income and Earnings Reinvested in the Business for the nine months ended June 30, 2025 and 2024, (ii) the Consolidated Statements of Comprehensive Income for the nine months ended June 30, 2025 and 2024, (iii) the Consolidated Balance Sheets at June 30, 2025 and September 30, 2024, (iv) the Consolidated Statements of Cash Flows for the nine months ended June 30, 2025 and 2024 and (v) the Notes to Condensed Consolidated Financial Statements.
104 Cover Page Interactive Data File (embedded within the Inline XBRL document)
−Removed: • Incorporated herein by reference as indicated.
•• In accordance with Item 601(b)(32)(ii) of Regulation S-K and SEC Release Nos.
6 unchanged sentences
Controller and Chief Accounting Officer
+Added: July 31, 2025
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.