Antero Resources — Oct 29, 2025 release

Year-to-date, Antero has purchased approximately 4.7 million shares for an aggregate $163 million. Antero’s share purchases were at a 6% discount to the year-to-date volume weighted average price per share through September 30, 2025. Antero has approximately $915 million of capacity remaining on its previously approved share repurchase program.   Natural Gas Hedge Program - Antero added natural gas swaps for the fourth quarter of 2025, and full years 2026 and 2027 in order to support its acquisitions and its dry and lean gas development program. The Company increased its fourth quarter 2025 natural gas swaps by approximately 550 BBtu/d, bringing its total to 646 BBtu/d at $3.70/MMBtu. Antero also added 600 BBtu/d of natural gas swaps for 2026 at $3.82/MMBtu and 100 BBtu/d of natural gas swaps for 2027 at $3.93/MMBtu. In addition, Antero restructured its natural gas costless collars for 2026, raising the floor price from $3.14 per MMBtu to $3.22 per MMBtu with a ceiling price of $5.83 per MMBtu. For more details, please see the presentation titled “Hedges and Guidance Presentation” on Antero’s website. The hedges below are as of October 29, 2025.   Swaps   Natural Gas MMBtu/d     Weighted Average Index Price ($/MMBtu)     % of Estimated Natural Gas Production (1)   4Q 2025 NYMEX Henry Hub Swap     646,087     $ 3.70       26 %                           2026 NYMEX Henry Hub Swap     600,000