AR

• Net income was $279 million; Adjusted Net Income was $236 million (Non-GAAP).
• Adjusted EBITDAX was $595 million, up 57% from the prior year period.
• Full-year 2026 production guidance raised to 4.15-4.2 Bcfe/d; cash production expense guidance lowered to $2.20-$2.30 per Mcfe.
• Completed $315 million of strategic acquisitions in July 2026 in the Marcellus footprint.

2.02 Results of Operations and Financial Condition · 9.01 Financial Statements and Exhibits

• Antero Resources Corporation will participate in the J.P. Morgan Natural Resources Conference: An Energy, Power, Renewables and Mining Event on June 23, 2026.
• The disclosure is furnished under Item 7.01 Regulation FD and is not deemed filed for SEC purposes.
• The report was signed by Brendan E. Krueger, Chief Financial Officer and Senior Vice President—Finance and Treasurer.

7.01 Regulation FD Disclosure

• Proceeds from note issuances are expected to fund general corporate purposes, including working capital, capital expenditures, acquisitions, and repayment of other indebtedness.
• Notes will be sold at a discount or par with maturities not exceeding 397 days, and the senior unsecured revolving credit facility will serve as a liquidity backstop.
• As of the filing date, no notes had been issued under the program.
• The program involves commercial paper dealers and a national bank as issuing and paying agent, with the form of dealer agreement filed as Exhibit 10.1.

1.01 Entry into a Material Definitive Agreement · 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement · 9.01 Financial Statements and Exhibits

• At the June 3, 2026 annual meeting, stockholders elected Brenda R. Schroer and Thomas B. Tyree, Jr. as Class I directors to serve until the 2029 annual meeting.
• Stockholders ratified KPMG LLP as independent auditor for 2026 with 259,193,326 votes for, 3,761,323 against, and 283,472 abstentions.
• The advisory say-on-pay proposal on named executive officer compensation passed with 224,923,971 votes for, 10,613,627 against, and 470,323 abstentions.
• The report was filed under Item 5.07 to disclose the voting results of the annual meeting, with Item 9.01 covering the exhibit of the cover page data file.

5.07 Submission of Matters to a Vote of Security Holders · 9.01 Financial Statements and Exhibits

• The company posted an updated investor presentation on its website at www.anteroresources.com on the same date.
• The presentation was furnished, not filed, and is not subject to Section 18 liabilities or incorporated by reference into other filings.
• The report was signed by Brendan E. Krueger, Chief Financial Officer and Senior Vice President – Finance and Treasurer.
• The company's common stock trades on the New York Stock Exchange under the symbol 'AR'.

7.01 Regulation FD Disclosure

• First quarter 2026 net production averaged a company record 3.9 Bcfe/d, up 13% year-over-year.
• Net income was $535 million; Adjusted Net Income was $357 million (Non-GAAP).
• Closed HG acquisition in early February and completed Ohio Utica Shale divestiture in late February.
• Full-year 2026 production guidance unchanged at ~4.1 Bcfe/d; cash production expense guidance reduced to $2.25-$2.35 per Mcfe.

2.02 Results of Operations and Financial Condition · 9.01 Financial Statements and Exhibits

• Antero Resources Corporation will participate in the Raymond James & Associates' 47th Annual Institutional Investors Conference on March 3, 2026.
• The information furnished under Item 7.01 is not deemed 'filed' for SEC purposes and is not incorporated by reference into any other filings.
• The report was signed by Brendan E. Krueger, Chief Financial Officer and Senior Vice President—Finance and Treasurer, on March 3, 2026.

7.01 Regulation FD Disclosure

• Antero Resources and certain subsidiaries closed the sale of substantially all Utica Shale oil and gas assets to an affiliate of Infinity Natural Resources, Inc. and Northern Oil and Gas, Inc. (NOG) on February 23, 2026.
• The sale was made under a Purchase and Sale Agreement dated December 5, 2025, among Antero, Antero Minerals LLC, Monroe Pipeline LLC, Infinity Natural Resources, LLC, and NOG, as amended.
• With the closing, conditions for the redemption of Antero's 7.625% senior notes due 2029 were satisfied; the notes will be redeemed on February 24, 2026.
• The disclosure was furnished under Item 7.01 Regulation FD Disclosure and is not deemed filed for SEC purposes.

7.01 Regulation FD Disclosure · 9.01 Financial Statements and Exhibits