Regulation FD Disclosure (Form 8-K)

On February 23, 2026, Antero Resources Corporation (the "Company") and certain of its wholly-owned subsidiaries completed the previously announced sale of substantially all of their Utica Shale oil and gas assets to an affiliate of Infinity Natural Resources, Inc. and Northern Oil and Gas, Inc. ("NOG") for aggregate cash consideration of $800 million, subject to customary post-closing adjustments, adjustments for the effective date of the transaction and other items, as contemplated by the Purchase and Sale Agreement, dated December 5, 2025, among the Company, Antero Minerals LLC, Monroe Pipeline LLC, Infinity Natural Resources, LLC and NOG, as amended to date.

As previously announced, the Company issued a conditional notice of full redemption with respect to its 7.625% senior notes due 2029 (the "2029 Notes"). The redemption is conditioned upon, among other things, the closing of the sale of the Company's Utica Shale oil and gas assets located in Ohio. With the conditions to the redemption of the 2029 Notes satisfied, the 2029 Notes will be redeemed on February 24, 2026.

The information furnished in this Item 7.01 shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing.