AR

SEC source: 0001104659-26-020888 · tm267480-2_4seq1.xml · nonDerivative · entry 6

Krueger Brendan E. · CIK 0001860656 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 308,919

F11 · shares: In connection with the vesting and settlement of the PSUs originally granted on October 19, 2022; March 7, 2023; and March 7, 2025 through the issuance of Common Stock pursuant to the Amended and Restated Antero Resources Corporation 2020 Long-Term Incentive Plan, the Issuer withheld Common Stock that would have otherwise been issued to the Reporting Person to satisfy their tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common Stock on February 25, 2026

F10 · balance_after: Includes 78,389 shares of Common Stock subject to previously granted RSUs and 44,662 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-020888 · tm267480-2_4seq1.xml · nonDerivative · entry 5

Krueger Brendan E. · CIK 0001860656 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 350,152

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · shares: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return ("TSR") performance over the third performance period, which ran from January 1, 2025 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such third performance period becoming earned at 99.2% of the target amount granted over such third performance period.

F9 · shares: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return TSR performance over the fourth and final performance period, which ran from January 1, 2023 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such fourth performance period becoming earned at 27.13% of the target amount granted over such fourth performance period.

F10 · balance_after: Includes 78,389 shares of Common Stock subject to previously granted RSUs and 44,662 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-020888 · tm267480-2_4seq1.xml · nonDerivative · entry 4

Krueger Brendan E. · CIK 0001860656 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 345,403

F7 · shares: On February 25, 2026, the Compensation Committee certified the Issuer's net debt to adjusted EBITDAX multiple over the first performance period, which ran from January 1, 2025 through December 31, 2025, at maximum performance levels, resulting in 33% of the PSUs originally granted on March 7, 2025 that vest based on the Issuer's net debt to adjusted EBITDAX multiple becoming earned at 200% of the target amount granted. The service-based vesting requirements applicable to the aforementioned tranche of PSUs originally granted on March 7, 2025 that vest based on the Issuer's net debt to adjusted EBITDAX multiple were satisfied as of December 31, 2025.

F6 · balance_after: Includes 78,389 shares of Common Stock subject to previously granted RSUs and 52,182 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-020888 · tm267480-2_4seq1.xml · nonDerivative · entry 3

Krueger Brendan E. · CIK 0001860656 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 332,451

F5 · shares: On February 25, 2026, the Compensation Committee certified the Issuer's net debt to adjusted EBITDAX multiple over the second performance period, which ran from January 1, 2025 through December 31, 2025, at maximum performance levels, resulting in 33% of the PSUs originally granted on March 7, 2024 that vest based on the Issuer's net debt to adjusted EBITDAX multiple becoming earned at 200% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until December 31, 2026.

F6 · balance_after: Includes 78,389 shares of Common Stock subject to previously granted RSUs and 52,182 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-020888 · tm267480-2_4seq1.xml · nonDerivative · entry 2

Krueger Brendan E. · CIK 0001860656 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 319,425

F3 · shares: On February 25, 2026, the Compensation Committee certified the Issuer's net debt to adjusted EBITDAX multiple over the third and final performance period, which ran from January 1, 2025 through December 31, 2025, at maximum performance levels, resulting in 33% of the PSUs originally granted on March 7, 2023 that vest based on the Issuer's net debt to adjusted EBITDAX multiple becoming earned at 200% of the target amount granted. The service-based vesting requirements applicable to the PSUs originally granted on March 7, 2023 that vest based on the Issuer's net debt to adjusted EBITDAX multiple were satisfied as of December 31, 2025.

F4 · balance_after: Includes 78,389 shares of Common Stock subject to previously granted RSUs and 39,156 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-020888 · tm267480-2_4seq1.xml · nonDerivative · entry 1

Krueger Brendan E. · CIK 0001860656 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 305,943

F1 · shares: On February 25, 2026, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") certified the Issuer's net debt to adjusted EBITDAX multiple over the third and final performance period, which ran from January 1, 2025 through December 31, 2025, at maximum performance levels, resulting in 33% of the performance share units ("PSUs") originally granted on October 19, 2022 that vest based on the Issuer's net debt to adjusted EBITDAX multiple becoming earned at 200% of the target amount granted. The service-based vesting requirements applicable to the PSUs originally granted on October 19, 2022 that vest based on the Issuer's net debt to adjusted EBITDAX multiple were satisfied as of December 31, 2025.

F2 · balance_after: Includes 78,389 shares of common stock of the Issuer ("Common Stock") subject to previously granted restricted stock unit awards ("RSUs") and 64,807 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-020890 · tm267480-3_4seq1.xml · derivative · entry 7

Kennedy Michael N. · CIK 0001477679 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common stock, par value $0.01 per share · 7,718 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return ("TSR") performance over the third performance period, which ran from January 1, 2025 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such third performance period becoming earned at 99.2% of the target amount granted over such third performance period.

F9 · derivative.exercise_price: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return TSR performance over the fourth and final performance period, which ran from January 1, 2023 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such fourth performance period becoming earned at 27.13% of the target amount granted over such fourth performance period.

F8 · price: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return ("TSR") performance over the third performance period, which ran from January 1, 2025 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such third performance period becoming earned at 99.2% of the target amount granted over such third performance period.

F9 · price: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return TSR performance over the fourth and final performance period, which ran from January 1, 2023 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such fourth performance period becoming earned at 27.13% of the target amount granted over such fourth performance period.

F8 · derivative.exercise_date: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return ("TSR") performance over the third performance period, which ran from January 1, 2025 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such third performance period becoming earned at 99.2% of the target amount granted over such third performance period.

F9 · derivative.exercise_date: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return TSR performance over the fourth and final performance period, which ran from January 1, 2023 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such fourth performance period becoming earned at 27.13% of the target amount granted over such fourth performance period.

F8 · derivative.expiration_date: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return ("TSR") performance over the third performance period, which ran from January 1, 2025 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such third performance period becoming earned at 99.2% of the target amount granted over such third performance period.

F9 · derivative.expiration_date: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return TSR performance over the fourth and final performance period, which ran from January 1, 2023 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such fourth performance period becoming earned at 27.13% of the target amount granted over such fourth performance period.

SEC source: 0001104659-26-020890 · tm267480-3_4seq1.xml · nonDerivative · entry 6

Kennedy Michael N. · CIK 0001477679 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,204,427

F11 · shares: In connection with the vesting and settlement of the PSUs originally granted on October 19, 2022; March 7, 2023; and March 7, 2025 through the issuance of Common Stock pursuant to the Amended and Restated Antero Resources Corporation 2020 Long-Term Incentive Plan, the Issuer withheld Common Stock that would have otherwise been issued to the Reporting Person to satisfy their tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common Stock on February 25, 2026.

F10 · balance_after: Includes 144,597 shares of Common Stock subject to previously granted RSUs and 91,451 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-020890 · tm267480-3_4seq1.xml · nonDerivative · entry 5

Kennedy Michael N. · CIK 0001477679 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,278,579

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · shares: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return ("TSR") performance over the third performance period, which ran from January 1, 2025 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such third performance period becoming earned at 99.2% of the target amount granted over such third performance period.

F9 · shares: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return TSR performance over the fourth and final performance period, which ran from January 1, 2023 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such fourth performance period becoming earned at 27.13% of the target amount granted over such fourth performance period.

F10 · balance_after: Includes 144,597 shares of Common Stock subject to previously granted RSUs and 91,451 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-020890 · tm267480-3_4seq1.xml · nonDerivative · entry 4

Kennedy Michael N. · CIK 0001477679 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,270,861

F7 · shares: On February 25, 2026, the Compensation Committee certified the Issuer's net debt to adjusted EBITDAX multiple over the first performance period, which ran from January 1, 2025 through December 31, 2025, at maximum performance levels, resulting in 33% of the PSUs originally granted on March 7, 2025 that vest based on the Issuer's net debt to adjusted EBITDAX multiple becoming earned at 200% of the target amount granted. The service-based vesting requirements applicable to the aforementioned tranche of PSUs originally granted on March 7, 2025 that vest based on the Issuer's net debt to adjusted EBITDAX multiple were satisfied as of December 31, 2025.

F6 · balance_after: Includes 144,597 shares of Common Stock subject to previously granted RSUs and 103,669 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-020890 · tm267480-3_4seq1.xml · nonDerivative · entry 3

Kennedy Michael N. · CIK 0001477679 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,249,645

F5 · shares: On February 25, 2026, the Compensation Committee certified the Issuer's net debt to adjusted EBITDAX multiple over the second performance period, which ran from January 1, 2025 through December 31, 2025, at maximum performance levels, resulting in 33% of the PSUs originally granted on March 7, 2024 that vest based on the Issuer's net debt to adjusted EBITDAX multiple becoming earned at 200% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until December 31, 2026.

F6 · balance_after: Includes 144,597 shares of Common Stock subject to previously granted RSUs and 103,669 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-020890 · tm267480-3_4seq1.xml · nonDerivative · entry 2

Kennedy Michael N. · CIK 0001477679 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,222,973

F3 · shares: On February 25, 2026, the Compensation Committee certified the Issuer's net debt to adjusted EBITDAX multiple over the third and final performance period, which ran from January 1, 2025 through December 31, 2025, at maximum performance levels, resulting in 33% of the PSUs originally granted on March 7, 2023 that vest based on the Issuer's net debt to adjusted EBITDAX multiple becoming earned at 200% of the target amount granted. The service-based vesting requirements applicable to the PSUs originally granted on March 7, 2023 that vest based on the Issuer's net debt to adjusted EBITDAX multiple were satisfied as of December 31, 2025.

F4 · balance_after: Includes 144,597 shares of Common Stock subject to previously granted RSUs and 76,997 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-020890 · tm267480-3_4seq1.xml · nonDerivative · entry 1

Kennedy Michael N. · CIK 0001477679 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,195,367

F1 · shares: On February 25, 2026, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") certified the Issuer's net debt to adjusted EBITDAX multiple over the third and final performance period, which ran from January 1, 2025 through December 31, 2025, at maximum performance levels, resulting in 33% of the performance share units ("PSUs") originally granted on October 19, 2022 that vest based on the Issuer's net debt to adjusted EBITDAX multiple becoming earned at 200% of the target amount granted. The service-based vesting requirements applicable to the PSUs originally granted on October 19, 2022 that vest based on the Issuer's net debt to adjusted EBITDAX multiple were satisfied as of December 31, 2025.

F2 · balance_after: Includes 144,597 shares of common stock of the Issuer ("Common Stock") subject to previously granted restricted stock unit awards ("RSUs") and 129,521 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-020885 · tm267480-1_4seq1.xml · derivative · entry 7

Schultz Yvette K · CIK 0001904142 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common stock, par value $0.01 per share · 5,937 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return ("TSR") performance over the third performance period, which ran from January 1, 2025 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such third performance period becoming earned at 99.2% of the target amount granted over such third performance period.

F9 · derivative.exercise_price: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return TSR performance over the fourth and final performance period, which ran from January 1, 2023 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such fourth performance period becoming earned at 27.13% of the target amount granted over such fourth performance period.

F8 · price: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return ("TSR") performance over the third performance period, which ran from January 1, 2025 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such third performance period becoming earned at 99.2% of the target amount granted over such third performance period.

F9 · price: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return TSR performance over the fourth and final performance period, which ran from January 1, 2023 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such fourth performance period becoming earned at 27.13% of the target amount granted over such fourth performance period.

F8 · derivative.exercise_date: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return ("TSR") performance over the third performance period, which ran from January 1, 2025 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such third performance period becoming earned at 99.2% of the target amount granted over such third performance period.

F9 · derivative.exercise_date: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return TSR performance over the fourth and final performance period, which ran from January 1, 2023 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such fourth performance period becoming earned at 27.13% of the target amount granted over such fourth performance period.

F8 · derivative.expiration_date: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return ("TSR") performance over the third performance period, which ran from January 1, 2025 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such third performance period becoming earned at 99.2% of the target amount granted over such third performance period.

F9 · derivative.expiration_date: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return TSR performance over the fourth and final performance period, which ran from January 1, 2023 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such fourth performance period becoming earned at 27.13% of the target amount granted over such fourth performance period.

SEC source: 0001104659-26-020885 · tm267480-1_4seq1.xml · nonDerivative · entry 6

Schultz Yvette K · CIK 0001904142 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 315,763

F11 · shares: In connection with the vesting and settlement of the PSUs originally granted on October 19, 2022; March 7, 2023; and March 7, 2025 through the issuance of Common Stock pursuant to the Amended and Restated Antero Resources Corporation 2020 Long-Term Incentive Plan, the Issuer withheld Common Stock that would have otherwise been issued to the Reporting Person to satisfy their tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common Stock on February 25, 2026.

F10 · balance_after: Includes 88,272 shares of Common Stock subject to previously granted RSUs and 55,828 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-020885 · tm267480-1_4seq1.xml · nonDerivative · entry 5

Schultz Yvette K · CIK 0001904142 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 365,864

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · shares: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return ("TSR") performance over the third performance period, which ran from January 1, 2025 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such third performance period becoming earned at 99.2% of the target amount granted over such third performance period.

F9 · shares: On February 25, 2026, the Compensation Committee certified the Issuer's absolute total stockholder return TSR performance over the fourth and final performance period, which ran from January 1, 2023 through December 31, 2025, resulting in 25% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such fourth performance period becoming earned at 27.13% of the target amount granted over such fourth performance period.

F10 · balance_after: Includes 88,272 shares of Common Stock subject to previously granted RSUs and 55,828 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-020885 · tm267480-1_4seq1.xml · nonDerivative · entry 4

Schultz Yvette K · CIK 0001904142 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 359,927

F7 · shares: On February 25, 2026, the Compensation Committee certified the Issuer's net debt to adjusted EBITDAX multiple over the first performance period, which ran from January 1, 2025 through December 31, 2025, at maximum performance levels, resulting in 33% of the PSUs originally granted on March 7, 2025 that vest based on the Issuer's net debt to adjusted EBITDAX multiple becoming earned at 200% of the target amount granted. The service-based vesting requirements applicable to the aforementioned tranche of PSUs originally granted on March 7, 2025 that vest based on the Issuer's net debt to adjusted EBITDAX multiple were satisfied as of December 31, 2025.

F6 · balance_after: Includes 88,272 shares of Common Stock subject to previously granted RSUs and 65,226 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-020885 · tm267480-1_4seq1.xml · nonDerivative · entry 3

Schultz Yvette K · CIK 0001904142 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 346,975

F5 · shares: On February 25, 2026, the Compensation Committee certified the Issuer's net debt to adjusted EBITDAX multiple over the second performance period, which ran from January 1, 2025 through December 31, 2025, at maximum performance levels, resulting in 33% of the PSUs originally granted on March 7, 2024 that vest based on the Issuer's net debt to adjusted EBITDAX multiple becoming earned at 200% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until December 31, 2026.

F6 · balance_after: Includes 88,272 shares of Common Stock subject to previously granted RSUs and 65,226 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-020885 · tm267480-1_4seq1.xml · nonDerivative · entry 2

Schultz Yvette K · CIK 0001904142 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 330,693

F3 · shares: On February 25, 2026, the Compensation Committee certified the Issuer's net debt to adjusted EBITDAX multiple over the third and final performance period, which ran from January 1, 2025 through December 31, 2025, at maximum performance levels, resulting in 33% of the PSUs originally granted on March 7, 2023 that vest based on the Issuer's net debt to adjusted EBITDAX multiple becoming earned at 200% of the target amount granted. The service-based vesting requirements applicable to the PSUs originally granted on March 7, 2023 that vest based on the Issuer's net debt to adjusted EBITDAX multiple were satisfied as of December 31, 2025.

F4 · balance_after: Includes 88,272 shares of Common Stock subject to previously granted RSUs and 48,944 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-020885 · tm267480-1_4seq1.xml · nonDerivative · entry 1

Schultz Yvette K · CIK 0001904142 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 313,839

F1 · shares: On February 25, 2026, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") certified the Issuer's net debt to adjusted EBITDAX multiple over the third and final performance period, which ran from January 1, 2025 through December 31, 2025, at maximum performance levels, resulting in 33% of the performance share units ("PSUs") originally granted on October 19, 2022 that vest based on the Issuer's net debt to adjusted EBITDAX multiple becoming earned at 200% of the target amount granted. The service-based vesting requirements applicable to the PSUs originally granted on October 19, 2022 that vest based on the Issuer's net debt to adjusted EBITDAX multiple were satisfied as of December 31, 2025.

F2 · balance_after: Includes 88,272 shares of common stock of the Issuer ("Common Stock") subject to previously granted restricted stock unit awards ("RSUs") and 81,007 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-017608 · tm266843-1_4seq1.xml · nonDerivative · entry 1

Hardesty Benjamin A. · CIK 0001587768 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 174,242

SEC source: 0001104659-26-002646 · tm262859-1_4seq1.xml · nonDerivative · entry 1

Munoz Jeffrey S. · CIK 0002043289 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,569

SEC source: 0001104659-26-002660 · tm262859-3_4seq1.xml · nonDerivative · entry 1

Sutil Vicky · CIK 0001508550 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,423

SEC source: 0001104659-26-002677 · tm262859-6_4seq1.xml · nonDerivative · entry 1

Schroer Brenda R · CIK 0001580332 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,626

SEC source: 0001104659-26-002672 · tm262859-5_4seq1.xml · nonDerivative · entry 1

Hardesty Benjamin A. · CIK 0001587768 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 178,867

SEC source: 0001104659-26-002662 · tm262859-4_4seq1.xml · nonDerivative · entry 1

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 369,903

SEC source: 0001104659-26-002653 · tm262859-7_4seq1.xml · nonDerivative · entry 1

Mutschler Jacqueline C · CIK 0001793080 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,956

SEC source: 0001104659-26-002648 · tm262859-2_4seq1.xml · nonDerivative · entry 1

Tyree Thomas B JR · CIK 0001309347 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,423

SEC source: 0001104659-25-109416 · tm2530837-1_4aseq1.xml · nonDerivative · entry 1

Krueger Brendan E. · CIK 0001860656 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 295,917

F1 · price: The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $33.18 to $33.61. The reporting person undertakes to provide to Antero Resources Corporation (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (1).

F2 · balance_after: Includes 78,389 shares of Common Stock subject to previously granted RSUs and 83,879 shares of Common Stock subject to previously granted performance share units, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-25-109248 · tm2530805-1_4seq1.xml · nonDerivative · entry 1

Krueger Brendan E. · CIK 0001860656 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 295,917

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.18 to $33.61. The reporting person undertakes to provide to Antero Resources Corporation (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1).

F2 · balance_after: Includes 78,389 shares of Common Stock subject to previously granted RSUs and 83,879 shares of Common Stock subject to previously granted performance share units, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-25-106371 · tm2530222-1_4seq1.xml · nonDerivative · entry 1

Hardesty Benjamin A. · CIK 0001587768 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 176,557

SEC source: 0001104659-25-100153 · tm2528863-3_4seq1.xml · nonDerivative · entry 1

Pearce Sheri · CIK 0001808080 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,305

F1 · shares: In connection with the vesting and settlement of restricted stock units ("RSUs") through the issuance of common stock ("Common Stock") of Antero Resources Corporation (the "Issuer") pursuant to the Amended and Restated Antero Resources Corporation 2020 Long Term Incentive Plan, the Issuer withheld Common Stock that would otherwise have been issued to the Reporting Person to satisfy their tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common Stock on October 15, 2025.

F2 · balance_after: Includes 58,848 shares of Common Stock subject to previously granted RSUs that remain subject to service-based vesting.

SEC source: 0001104659-25-100151 · tm2528863-2_4seq1.xml · nonDerivative · entry 1

Krueger Brendan E. · CIK 0001860656 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 290,917

F1 · shares: In connection with the vesting and settlement of restricted stock units ("RSUs") through the issuance of common stock ("Common Stock") of Antero Resources Corporation (the "Issuer") pursuant to the Amended and Restated Antero Resources Corporation 2020 Long Term Incentive Plan, the Issuer withheld Common Stock that would otherwise have been issued to the Reporting Person to satisfy their tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common Stock on October 15, 2025.

F2 · balance_after: Includes 78,389 shares of Common Stock subject to previously granted RSUs and 83,879 shares of Common Stock subject to previously granted performance share units, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-25-100150 · tm2528863-1_4seq1.xml · nonDerivative · entry 1

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,179,075

F1 · shares: In connection with the vesting and settlement of restricted stock units ("RSUs") through the issuance of common stock ("Common Stock") of Antero Resources Corporation (the "Issuer") pursuant to the Amended and Restated Antero Resources Corporation 2020 Long Term Incentive Plan, the Issuer withheld Common Stock that would otherwise have been issued to the Reporting Person to satisfy their tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common Stock on October 15, 2025.

F2 · balance_after: Includes 144,597 shares of Common Stock subject to previously granted RSUs and 160,515 shares of Common Stock subject to previously granted performance share units, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-25-100154 · tm2528863-4_4seq1.xml · nonDerivative · entry 1

Schultz Yvette K · CIK 0001904142 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 301,307

F1 · shares: In connection with the vesting and settlement of restricted stock units ("RSUs") through the issuance of common stock ("Common Stock") of Antero Resources Corporation (the "Issuer") pursuant to the Amended and Restated Antero Resources Corporation 2020 Long Term Incentive Plan, the Issuer withheld Common Stock that would otherwise have been issued to the Reporting Person to satisfy their tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common Stock on October 15, 2025.

F2 · balance_after: Includes 88,272 shares of Common Stock subject to previously granted RSUs and 104,849 shares of Common Stock subject to previously granted performance share units, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-25-099331 · tm2528664-6_4seq1.xml · nonDerivative · entry 1

Munoz Jeffrey S. · CIK 0002043289 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,857

SEC source: 0001104659-25-099316 · tm2528664-1_4seq1.xml · nonDerivative · entry 1

Sutil Vicky · CIK 0001508550 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,711

SEC source: 0001104659-25-099337 · tm2528664-7_4seq1.xml · nonDerivative · entry 1

Tyree Thomas B JR · CIK 0001309347 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,711

SEC source: 0001104659-25-099328 · tm2528664-5_4seq1.xml · nonDerivative · entry 1

Mutschler Jacqueline C · CIK 0001793080 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,244

SEC source: 0001104659-25-099326 · tm2528664-4_4seq1.xml · nonDerivative · entry 1

Schroer Brenda R · CIK 0001580332 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,914

SEC source: 0001104659-25-099322 · tm2528664-3_4seq1.xml · nonDerivative · entry 1

Hardesty Benjamin A. · CIK 0001587768 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 177,982

SEC source: 0001104659-25-099320 · tm2528664-2_4seq1.xml · nonDerivative · entry 1

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 368,191

SEC source: 0001104659-25-067779 · tm2520707-4_4seq1.xml · nonDerivative · entry 1

Munoz Jeffrey S. · CIK 0002043289 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,157

SEC source: 0001104659-25-067782 · tm2520707-6_4seq1.xml · nonDerivative · entry 1

Sutil Vicky · CIK 0001508550 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,011

SEC source: 0001104659-25-067781 · tm2520707-5_4seq1.xml · nonDerivative · entry 1

Tyree Thomas B JR · CIK 0001309347 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,011

SEC source: 0001104659-25-067783 · tm2520707-7_4seq1.xml · nonDerivative · entry 1

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 366,491

SEC source: 0001104659-25-067778 · tm2520707-3_4seq1.xml · nonDerivative · entry 1

Mutschler Jacqueline C · CIK 0001793080 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,544

SEC source: 0001104659-25-067777 · tm2520707-2_4seq1.xml · nonDerivative · entry 1

Schroer Brenda R · CIK 0001580332 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,214

SEC source: 0001104659-25-067776 · tm2520707-1_4seq1.xml · nonDerivative · entry 1

Hardesty Benjamin A. · CIK 0001587768 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 175,972

SEC source: 0001104659-25-054353 · tm2516550-1_4seq1.xml · nonDerivative · entry 1

Hardesty Benjamin A. · CIK 0001587768 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 174,473