Kennedy Michael N.

SEC source: 0001104659-26-055126 · tm2613563-1_4seq1.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,085,192

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 6, 2025.

F3 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.57 to $39.75, inclusive.

F4 · balance_after: Includes 172,117 shares of common stock of the Issuer subject to restricted stock units awards and 70,747 performance share units in respect of which performance has been certified, in each case that remain subject to service-based vesting.

SEC source: 0001104659-26-055126 · tm2613563-1_4seq1.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,100,278

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 6, 2025.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.57 to $39.56, inclusive. The reporting person undertakes to provide to 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 ranges set forth in footnotes (2) and (3).

F4 · balance_after: Includes 172,117 shares of common stock of the Issuer subject to restricted stock units awards and 70,747 performance share units in respect of which performance has been certified, in each case that remain subject to service-based vesting.

SEC source: 0001104659-26-055123 · tm2613566-1_4seq1.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,500,594

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 6, 2025.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.57 to $22.06, inclusive. The reporting person undertakes to provide to 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 (2).

F3 · balance_after: Includes 472,354 shares of Common Stock subject to previously granted restricted stock units that remain subject to vesting.

SEC source: 0001104659-26-031540 · tm269303-1_4seq1.xml · derivative · entry 3

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 · 10,510 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.

F1 · derivative.exercise_price: On March 7, 2023, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") granted performance share units (the "2023 TSR PSUs"), 25% of which vest based on the Issuer's absolute total shareholder return ("TSR") over the fourth and final performance period, which ran from March 7, 2023 through March 7, 2026 (the "Fourth Tranche"). On March 16, 2026, the Compensation Committee certified the Issuer's absolute TSR over the fourth performance period between the target and maximum performance level, resulting in the Fourth Tranche becoming earned at 101.52% of the target amount granted for that tranche and 25.38% of the total target number of 2023 TSR PSUs granted.

F1 · price: On March 7, 2023, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") granted performance share units (the "2023 TSR PSUs"), 25% of which vest based on the Issuer's absolute total shareholder return ("TSR") over the fourth and final performance period, which ran from March 7, 2023 through March 7, 2026 (the "Fourth Tranche"). On March 16, 2026, the Compensation Committee certified the Issuer's absolute TSR over the fourth performance period between the target and maximum performance level, resulting in the Fourth Tranche becoming earned at 101.52% of the target amount granted for that tranche and 25.38% of the total target number of 2023 TSR PSUs granted.

F1 · derivative.exercise_date: On March 7, 2023, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") granted performance share units (the "2023 TSR PSUs"), 25% of which vest based on the Issuer's absolute total shareholder return ("TSR") over the fourth and final performance period, which ran from March 7, 2023 through March 7, 2026 (the "Fourth Tranche"). On March 16, 2026, the Compensation Committee certified the Issuer's absolute TSR over the fourth performance period between the target and maximum performance level, resulting in the Fourth Tranche becoming earned at 101.52% of the target amount granted for that tranche and 25.38% of the total target number of 2023 TSR PSUs granted.

F1 · derivative.expiration_date: On March 7, 2023, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") granted performance share units (the "2023 TSR PSUs"), 25% of which vest based on the Issuer's absolute total shareholder return ("TSR") over the fourth and final performance period, which ran from March 7, 2023 through March 7, 2026 (the "Fourth Tranche"). On March 16, 2026, the Compensation Committee certified the Issuer's absolute TSR over the fourth performance period between the target and maximum performance level, resulting in the Fourth Tranche becoming earned at 101.52% of the target amount granted for that tranche and 25.38% of the total target number of 2023 TSR PSUs granted.

SEC source: 0001104659-26-031540 · tm269303-1_4seq1.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,271,018

F3 · shares: In connection with the vesting and settlement of the 2023 TSR PSUs 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 March 16, 2026.

F2 · balance_after: Includes 172,117 shares of common stock of the Issuer ("Common Stock") subject to restricted stock units ("RSU") awards and 70,747 performance share units ("PSUs") in respect of which performance has been certified, in each case that remain subject to service-based vesting.

SEC source: 0001104659-26-031540 · tm269303-1_4seq1.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,284,747

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.

F1 · shares: On March 7, 2023, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") granted performance share units (the "2023 TSR PSUs"), 25% of which vest based on the Issuer's absolute total shareholder return ("TSR") over the fourth and final performance period, which ran from March 7, 2023 through March 7, 2026 (the "Fourth Tranche"). On March 16, 2026, the Compensation Committee certified the Issuer's absolute TSR over the fourth performance period between the target and maximum performance level, resulting in the Fourth Tranche becoming earned at 101.52% of the target amount granted for that tranche and 25.38% of the total target number of 2023 TSR PSUs granted.

F2 · balance_after: Includes 172,117 shares of common stock of the Issuer ("Common Stock") subject to restricted stock units ("RSU") awards and 70,747 performance share units ("PSUs") in respect of which performance has been certified, in each case that remain subject to service-based vesting.

SEC source: 0001104659-26-026025 · tm268379-4_4seq1.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,753

Underlying: Common stock, par value $0.01 per share · 25,753 shares

Expires not disclosed

F5 · derivative.exercise_price: Each PSU represents a contingent right to receive one share of Common Stock.

F6 · derivative.exercise_date: Vesting of the PSUs granted on March 7, 2026 is contingent upon the achievement of a performance and service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on March 7, 2026 and ending on March 7, 2027, Performance Period Two beginning on March 7, 2027 and ending on March 7, 2028, Performance Period Three beginning on March 7, 2028 and ending on March 7, 2029, and Performance Period Four beginning on March 7, 2026 and ending on March 7, 2029. Continued service is generally required through the end of each such performance period.

F7 · derivative.exercise_date: The performance component for one quarter of the PSUs is determined following the completion of each respective performance period and will be settled shortly thereafter, contingent upon continued service through the end of the applicable performance period. Depending on the level of achievement of such goals, the actual number of PSUs earned could range from 0% to 200% of the target number of PSUs shown in column 5.

F6 · derivative.expiration_date: Vesting of the PSUs granted on March 7, 2026 is contingent upon the achievement of a performance and service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on March 7, 2026 and ending on March 7, 2027, Performance Period Two beginning on March 7, 2027 and ending on March 7, 2028, Performance Period Three beginning on March 7, 2028 and ending on March 7, 2029, and Performance Period Four beginning on March 7, 2026 and ending on March 7, 2029. Continued service is generally required through the end of each such performance period.

F7 · derivative.expiration_date: The performance component for one quarter of the PSUs is determined following the completion of each respective performance period and will be settled shortly thereafter, contingent upon continued service through the end of the applicable performance period. Depending on the level of achievement of such goals, the actual number of PSUs earned could range from 0% to 200% of the target number of PSUs shown in column 5.

SEC source: 0001104659-26-026025 · tm268379-4_4seq1.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,274,237

F3 · shares: In connection with the vesting and settlement of RSUs through the issuance of Common Stock pursuant to the 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 March 6, 2026.

F4 · balance_after: Includes 172,117 shares of Common Stock subject to previously granted RSU awards and 91,451 shares of Common Stock subject to PSU's in respect of which performance has been certified, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-026025 · tm268379-4_4seq1.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,307,440

F1 · shares: Reflects the grant of restricted stock units ("RSUs") pursuant to the Amended and Restated Antero Resources Corporation 2020 Long-Term Incentive Plan (the "Plan") which vest as to 1/3 of the total amount granted on each of the first three anniversaries of March 7, 2026, generally subject to continued employment through each vesting date.

F2 · balance_after: Includes 247,610 shares of common stock, par value $0.01 per share ("Common Stock") of Antero Resources Corporation (the "Issuer") subject to previously granted RSU awards and 91,451 shares of Common Stock subject to performance share units ("PSUs") in respect of which performance has been certified, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-26-026029 · tm268378-3_4seq1.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,600,594

F4 · balance_after: Includes 472,354 shares of Common Stock subject to previously granted RSUs that remain subject to vesting.

SEC source: 0001104659-26-026029 · tm268378-3_4seq1.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,615,594

F3 · shares: In connection with the vesting and settlement of RSUs through the issuance of Common Stock pursuant to the Plan, the Issuer withheld shares of 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 March 6, 2026.

F4 · balance_after: Includes 472,354 shares of Common Stock subject to previously granted RSUs that remain subject to vesting.

SEC source: 0001104659-26-026029 · tm268378-3_4seq1.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,724,120

F1 · shares: Reflects the grant of RSUs pursuant to the Amended and Restated Antero Midstream Corporation Long Term Incentive Plan (the "Plan") which vest as to 1/3 of the total amount granted on each of the first three anniversaries of March 7, 2026, generally subject to continued employment through each vesting date.

F2 · balance_after: Includes 719,114 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Midstream Corporation (the "Issuer") subject to previously granted RSUs that remain subject to 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: 0001104659-26-020884 · tm267315-1_4seq1.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,462,910

F3 · shares: In connection with the vesting and settlement of PSUs through the issuance of Common Stock pursuant to the Amended and Restated Antero Midstream Corporation 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 February 24, 2026.

F2 · balance_after: Includes 457,904 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-26-020884 · tm267315-1_4seq1.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,552,302

F1 · shares: Each performance share unit ("PSU") represented a contingent right to receive one share of common stock ("Common Stock") of Antero Midstream Corporation (the "Issuer"). On February 24, 2026, the Compensation Committee of the Issuer certified performance and authorized settlement with respect to PSUs originally granted on April 15, 2023, which vested based on the Issuer's return on invested capital over a three year period.

F2 · balance_after: Includes 457,904 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-25-121259 · tm2533401-1_4seq1.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,349,090

F1 · balance_after: Includes 457,904 shares of common stock of Antero Midstream Corporation subject to previously granted restricted stock units that remain subject to 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: 0001104659-25-046251 · tm2514438-2_4seq1.xml · derivative · entry 3

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common stock, par value $0.01 per share · 13,787 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.

F1 · derivative.exercise_price: On May 6, 2025, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") certified the Issuer's absolute total shareholder return ("TSR") performance over the third performance period, which ran from April 15, 2024 through April 15, 2025, at the maximum level, resulting in 25% of the target number of performance share units ("PSUs") originally granted on April 15, 2022 that vest based on absolute TSR becoming earned at 200% of the target amount granted over such third performance period.

F2 · derivative.exercise_price: On May 6, 2025, the Compensation Committee also certified the Issuer's absolute TSR performance over the fourth performance period, which ran from April 15, 2022 through April 15, 2025, in between floor and target levels, resulting in 25% of the PSUs originally granted on April 15, 2022 that vest based on absolute TSR becoming earned at 39.49% of the target amount granted over such fourth performance period. The service-based vesting requirements applicable to the PSUs originally granted on April 15, 2022 that vest based on absolute TSR were satisfied as of April 15, 2025 and the awards will be settled in connection with the Compensation Committee's certification of performance.

F1 · price: On May 6, 2025, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") certified the Issuer's absolute total shareholder return ("TSR") performance over the third performance period, which ran from April 15, 2024 through April 15, 2025, at the maximum level, resulting in 25% of the target number of performance share units ("PSUs") originally granted on April 15, 2022 that vest based on absolute TSR becoming earned at 200% of the target amount granted over such third performance period.

F2 · price: On May 6, 2025, the Compensation Committee also certified the Issuer's absolute TSR performance over the fourth performance period, which ran from April 15, 2022 through April 15, 2025, in between floor and target levels, resulting in 25% of the PSUs originally granted on April 15, 2022 that vest based on absolute TSR becoming earned at 39.49% of the target amount granted over such fourth performance period. The service-based vesting requirements applicable to the PSUs originally granted on April 15, 2022 that vest based on absolute TSR were satisfied as of April 15, 2025 and the awards will be settled in connection with the Compensation Committee's certification of performance.

F1 · derivative.exercise_date: On May 6, 2025, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") certified the Issuer's absolute total shareholder return ("TSR") performance over the third performance period, which ran from April 15, 2024 through April 15, 2025, at the maximum level, resulting in 25% of the target number of performance share units ("PSUs") originally granted on April 15, 2022 that vest based on absolute TSR becoming earned at 200% of the target amount granted over such third performance period.

F2 · derivative.exercise_date: On May 6, 2025, the Compensation Committee also certified the Issuer's absolute TSR performance over the fourth performance period, which ran from April 15, 2022 through April 15, 2025, in between floor and target levels, resulting in 25% of the PSUs originally granted on April 15, 2022 that vest based on absolute TSR becoming earned at 39.49% of the target amount granted over such fourth performance period. The service-based vesting requirements applicable to the PSUs originally granted on April 15, 2022 that vest based on absolute TSR were satisfied as of April 15, 2025 and the awards will be settled in connection with the Compensation Committee's certification of performance.

F1 · derivative.expiration_date: On May 6, 2025, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") certified the Issuer's absolute total shareholder return ("TSR") performance over the third performance period, which ran from April 15, 2024 through April 15, 2025, at the maximum level, resulting in 25% of the target number of performance share units ("PSUs") originally granted on April 15, 2022 that vest based on absolute TSR becoming earned at 200% of the target amount granted over such third performance period.

F2 · derivative.expiration_date: On May 6, 2025, the Compensation Committee also certified the Issuer's absolute TSR performance over the fourth performance period, which ran from April 15, 2022 through April 15, 2025, in between floor and target levels, resulting in 25% of the PSUs originally granted on April 15, 2022 that vest based on absolute TSR becoming earned at 39.49% of the target amount granted over such fourth performance period. The service-based vesting requirements applicable to the PSUs originally granted on April 15, 2022 that vest based on absolute TSR were satisfied as of April 15, 2025 and the awards will be settled in connection with the Compensation Committee's certification of performance.

SEC source: 0001104659-25-046251 · tm2514438-2_4seq1.xml · nonDerivative · entry 2

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,186,240

F4 · shares: In connection with the vesting and settlement of the PSUs originally granted on April 15, 2022 through the issuance of Common Stock pursuant to the 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 May 6, 2025.

F3 · balance_after: Includes 160,888 shares of common stock of the Issuer ("Common Stock") subject to previously granted restricted stock unit awards ("RSUs") and 160,515 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-25-046251 · tm2514438-2_4seq1.xml · nonDerivative · entry 1

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,197,369

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.

F1 · shares: On May 6, 2025, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") certified the Issuer's absolute total shareholder return ("TSR") performance over the third performance period, which ran from April 15, 2024 through April 15, 2025, at the maximum level, resulting in 25% of the target number of performance share units ("PSUs") originally granted on April 15, 2022 that vest based on absolute TSR becoming earned at 200% of the target amount granted over such third performance period.

F2 · shares: On May 6, 2025, the Compensation Committee also certified the Issuer's absolute TSR performance over the fourth performance period, which ran from April 15, 2022 through April 15, 2025, in between floor and target levels, resulting in 25% of the PSUs originally granted on April 15, 2022 that vest based on absolute TSR becoming earned at 39.49% of the target amount granted over such fourth performance period. The service-based vesting requirements applicable to the PSUs originally granted on April 15, 2022 that vest based on absolute TSR were satisfied as of April 15, 2025 and the awards will be settled in connection with the Compensation Committee's certification of performance.

F3 · balance_after: Includes 160,888 shares of common stock of the Issuer ("Common Stock") subject to previously granted restricted stock unit awards ("RSUs") and 160,515 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-25-035578 · tm2512442-4_4seq1.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,364,090

F1 · shares: In connection with the vesting and settlement of restricted stock units ("RSUs") through the issuance of common stock ("Common Stock") of Antero Midstream Corporation (the "Issuer") pursuant to the Antero Midstream Corporation 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 April 15, 2025.

F2 · balance_after: Includes 457,904 shares of Common Stock subject to previously granted RSUs that remain subject to vesting.

SEC source: 0001104659-25-035573 · tm2512444-3_4seq1.xml · derivative · entry 5

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,006

Underlying: Common stock, par value $0.01 per share · 20,002 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.

F3 · derivative.exercise_price: In connection with the completion of the first performance period, which ran from March 7, 2024 through March 7, 2025, the Compensation Committee certified the Issuer's absolute TSR at the maximum level, resulting in 25% of the PSUs originally granted on March 7, 2024 that vest based on the Issuer's absolute TSR becoming earned at 200% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until March 7, 2027.

F3 · price: In connection with the completion of the first performance period, which ran from March 7, 2024 through March 7, 2025, the Compensation Committee certified the Issuer's absolute TSR at the maximum level, resulting in 25% of the PSUs originally granted on March 7, 2024 that vest based on the Issuer's absolute TSR becoming earned at 200% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until March 7, 2027.

F3 · derivative.exercise_date: In connection with the completion of the first performance period, which ran from March 7, 2024 through March 7, 2025, the Compensation Committee certified the Issuer's absolute TSR at the maximum level, resulting in 25% of the PSUs originally granted on March 7, 2024 that vest based on the Issuer's absolute TSR becoming earned at 200% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until March 7, 2027.

F3 · derivative.expiration_date: In connection with the completion of the first performance period, which ran from March 7, 2024 through March 7, 2025, the Compensation Committee certified the Issuer's absolute TSR at the maximum level, resulting in 25% of the PSUs originally granted on March 7, 2024 that vest based on the Issuer's absolute TSR becoming earned at 200% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until March 7, 2027.

SEC source: 0001104659-25-035573 · tm2512444-3_4seq1.xml · derivative · entry 4

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,705

Underlying: Common stock, par value $0.01 per share · 20,704 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.

F1 · derivative.exercise_price: In connection with the completion of the second performance period, which ran from March 7, 2024 through March 7, 2025, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") certified the Issuer's absolute total shareholder return ("TSR") at the maximum level, resulting in 25% of the performance share units ("PSUs") originally granted on March 7, 2023 that vest based on the Issuer's absolute TSR becoming earned at 200% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until March 7, 2026.

F1 · price: In connection with the completion of the second performance period, which ran from March 7, 2024 through March 7, 2025, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") certified the Issuer's absolute total shareholder return ("TSR") at the maximum level, resulting in 25% of the performance share units ("PSUs") originally granted on March 7, 2023 that vest based on the Issuer's absolute TSR becoming earned at 200% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until March 7, 2026.

F1 · derivative.exercise_date: In connection with the completion of the second performance period, which ran from March 7, 2024 through March 7, 2025, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") certified the Issuer's absolute total shareholder return ("TSR") at the maximum level, resulting in 25% of the performance share units ("PSUs") originally granted on March 7, 2023 that vest based on the Issuer's absolute TSR becoming earned at 200% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until March 7, 2026.

F1 · derivative.expiration_date: In connection with the completion of the second performance period, which ran from March 7, 2024 through March 7, 2025, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") certified the Issuer's absolute total shareholder return ("TSR") at the maximum level, resulting in 25% of the performance share units ("PSUs") originally granted on March 7, 2023 that vest based on the Issuer's absolute TSR becoming earned at 200% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until March 7, 2026.

SEC source: 0001104659-25-035573 · tm2512444-3_4seq1.xml · nonDerivative · entry 3

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,183,582

F5 · shares: In connection with the vesting and settlement of RSUs through the issuance of common stock ("Common Stock") of the Issuer pursuant to the Antero Resources Corporation Amended and Restated 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 April 15, 2025.

F6 · balance_after: Includes 160,888 shares of Common Stock subject to RSU awards and 172,031 PSUs in respect of which performance has been certified, in each case that remain subject to service-based vesting.

SEC source: 0001104659-25-035573 · tm2512444-3_4seq1.xml · nonDerivative · entry 2

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,196,111

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.

F3 · shares: In connection with the completion of the first performance period, which ran from March 7, 2024 through March 7, 2025, the Compensation Committee certified the Issuer's absolute TSR at the maximum level, resulting in 25% of the PSUs originally granted on March 7, 2024 that vest based on the Issuer's absolute TSR becoming earned at 200% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until March 7, 2027.

F4 · balance_after: Includes 189,373 shares of Common Stock subject to RSU awards and 172,031 PSUs in respect of which performance has been certified, in each case that remain subject to service-based vesting.

SEC source: 0001104659-25-035573 · tm2512444-3_4seq1.xml · nonDerivative · entry 1

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,176,109

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.

F1 · shares: In connection with the completion of the second performance period, which ran from March 7, 2024 through March 7, 2025, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") certified the Issuer's absolute total shareholder return ("TSR") at the maximum level, resulting in 25% of the performance share units ("PSUs") originally granted on March 7, 2023 that vest based on the Issuer's absolute TSR becoming earned at 200% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until March 7, 2026.

F2 · balance_after: Includes 189,373 shares of Common Stock subject to restricted stock units ("RSU") awards and 152,029 PSUs in respect of which performance has been certified, in each case that remain subject to service-based vesting.

SEC source: 0001104659-25-022251 · tm258730-1_4seq1.xml · derivative · entry 3

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,823

Underlying: Common stock, par value $0.01 per share · 31,823 shares

Expires not disclosed

F5 · derivative.exercise_price: Each PSU represents a contingent right to receive one share of Common Stock.

F6 · derivative.exercise_date: Vesting of the PSUs granted on March 7, 2025 is contingent upon the achievement of a performance and service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on March 7, 2025 and ending on March 7, 2026, Performance Period Two beginning on March 7, 2026 and ending on March 7, 2027, Performance Period Three beginning on March 7, 2027 and ending on March 7, 2028, and Performance Period Four beginning on March 7, 2025 and ending on March 7, 2028. Continued service is generally required through the end of each such performance period.

F7 · derivative.exercise_date: The performance component for one quarter of the PSUs is determined following the completion of each respective performance period and will be settled shortly thereafter, contingent upon continued service through the end of the performance period. Depending on the level of achievement of such goals, the actual number of PSUs earned could range from 0% to 200% of the target number of PSUs shown in column 5.

F6 · derivative.expiration_date: Vesting of the PSUs granted on March 7, 2025 is contingent upon the achievement of a performance and service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on March 7, 2025 and ending on March 7, 2026, Performance Period Two beginning on March 7, 2026 and ending on March 7, 2027, Performance Period Three beginning on March 7, 2027 and ending on March 7, 2028, and Performance Period Four beginning on March 7, 2025 and ending on March 7, 2028. Continued service is generally required through the end of each such performance period.

F7 · derivative.expiration_date: The performance component for one quarter of the PSUs is determined following the completion of each respective performance period and will be settled shortly thereafter, contingent upon continued service through the end of the performance period. Depending on the level of achievement of such goals, the actual number of PSUs earned could range from 0% to 200% of the target number of PSUs shown in column 5.

SEC source: 0001104659-25-022251 · tm258730-1_4seq1.xml · nonDerivative · entry 2

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,155,405

F3 · shares: In connection with the vesting and settlement of RSUs through the issuance of Common Stock pursuant to the 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 March 7, 2025.

F4 · balance_after: Includes 189,373 shares of Common Stock subject to previously granted RSU awards and 131,325 shares of Common Stock subject to PSU's in respect of which performance has been certified, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-25-022251 · tm258730-1_4seq1.xml · nonDerivative · entry 1

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,179,277

F1 · shares: Reflects the grant of restricted stock units ("RSUs") pursuant to the Amended and Restated Antero Resources Corporation 2020 Long-Term Incentive Plan (the "Plan") which vest as to 1/3 of the total amount granted on each of the first three anniversaries of March 7, 2025, generally subject to continued employment through each vesting date.

F2 · balance_after: Includes 243,650 shares of common stock, par value $0.01 per share ("Common Stock") of Antero Resources Corporation (the "Issuer") subject to previously granted RSU awards and 131,325 shares of Common Stock subject to performance share units ("PSUs") in respect of which performance has been certified, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-25-022248 · tm258731-3_4seq1.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,408,394

F3 · shares: In connection with the vesting and settlement of RSUs through the issuance of Common Stock pursuant to the Plan, the Issuer withheld shares of 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 March 7, 2025.

F4 · balance_after: Includes 558,639 shares of Common Stock subject to previously granted RSUs that remain subject to vesting.

SEC source: 0001104659-25-022248 · tm258731-3_4seq1.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,487,896

F1 · shares: Reflects the grant of restricted stock units ("RSUs") pursuant to the Amended and Restated Antero Midstream Corporation Long Term Incentive Plan (the "Plan") which vest as to 1/3 of the total amount granted on each of the first three anniversaries of March 7, 2025, generally subject to continued employment through each vesting date.

F2 · balance_after: Includes 739,405 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Midstream Corporation (the "Issuer") subject to previously granted RSUs that remain subject to vesting.

SEC source: 0001104659-25-019884 · tm257999-2_4seq1.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,289,922

F3 · shares: In connection with the vesting and settlement of PSUs through the issuance of Common Stock pursuant to the Antero Midstream Corporation Long Term Incentive Plan (the "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 February 27, 2025.

F2 · balance_after: Includes 541,431 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-25-019884 · tm257999-2_4seq1.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,353,282

F1 · price: Each performance share unit ("PSU") represented a contingent right to receive one share of common stock ("Common Stock") of Antero Midstream Corporation (the "Issuer"). On February 27, 2025, the Compensation Committee of the Issuer certified performance and authorized settlement with respect to PSUs originally granted on April 15, 2022, which vested based on the Issuer's return on invested capital over a three year period.

F2 · balance_after: Includes 541,431 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-25-018509 · tm257777-1_4seq1.xml · derivative · entry 7

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,218

Underlying: Common stock, par value $0.01 per share · 12,218 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.

F10 · derivative.exercise_price: On February 28, 2024, the Compensation Committee certified the Issuer's absolute total stockholder return ("TSR") performance over the second performance period, which ran from January 1, 2024 through December 31, 2024, at maximum performance, resulting in 50% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such second performance period becoming earned.

F10 · price: On February 28, 2024, the Compensation Committee certified the Issuer's absolute total stockholder return ("TSR") performance over the second performance period, which ran from January 1, 2024 through December 31, 2024, at maximum performance, resulting in 50% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such second performance period becoming earned.

F10 · derivative.exercise_date: On February 28, 2024, the Compensation Committee certified the Issuer's absolute total stockholder return ("TSR") performance over the second performance period, which ran from January 1, 2024 through December 31, 2024, at maximum performance, resulting in 50% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such second performance period becoming earned.

F10 · derivative.expiration_date: On February 28, 2024, the Compensation Committee certified the Issuer's absolute total stockholder return ("TSR") performance over the second performance period, which ran from January 1, 2024 through December 31, 2024, at maximum performance, resulting in 50% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such second performance period becoming earned.

SEC source: 0001104659-25-018509 · tm257777-1_4seq1.xml · nonDerivative · entry 6

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,115,630

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.

F10 · shares: On February 28, 2024, the Compensation Committee certified the Issuer's absolute total stockholder return ("TSR") performance over the second performance period, which ran from January 1, 2024 through December 31, 2024, at maximum performance, resulting in 50% of the PSUs originally granted on October 19, 2022 that vest based on absolute TSR over such second performance period becoming earned.

F11 · balance_after: Includes 180,003 shares of Common Stock subject to previously granted RSUs and 131,325 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-25-018509 · tm257777-1_4seq1.xml · nonDerivative · entry 5

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,103,412

F8 · shares: On February 25, 2025, the Compensation Committee certified the Issuer's net debt to adjusted EBITDAX multiple over the first performance period, which ran from January 1, 2024 through December 31, 2024, at between target and 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 180.53% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until December 31, 2025.

F9 · balance_after: Includes 180,003 shares of Common Stock subject to previously granted RSUs and 119,107 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-25-018509 · tm257777-1_4seq1.xml · nonDerivative · entry 4

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,079,339

F6 · shares: On February 25, 2025, the Compensation Committee certified the Issuer's net debt to adjusted EBITDAX multiple over the second performance period, which ran from January 1, 2024 through December 31, 2024, at between target and 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 180.53% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until December 31, 2025.

F7 · balance_after: Includes 180,003 shares of Common Stock subject to previously granted RSUs and 95,034 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-25-018509 · tm257777-1_4seq1.xml · nonDerivative · entry 3

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,054,421

F4 · shares: On February 25, 2025, the Compensation Committee certified the Issuer's net debt to adjusted EBITDAX multiple over the second performance period, which ran from January 1, 2024 through December 31, 2024, at between target and maximum performance levels, resulting in 33% of the PSUs originally granted on October 19, 2022 that vest based on the Issuer's net debt to adjusted EBITDAX multiple becoming earned at 180.53% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until December 31, 2025.

F5 · balance_after: Includes 180,003 shares of Common Stock subject to previously granted RSUs and 70,116 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-25-018509 · tm257777-1_4seq1.xml · nonDerivative · entry 2

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,039,717

F3 · shares: In connection with the vesting and settlement of the PSUs originally granted on April 15, 2022 through the issuance of Common Stock pursuant to the 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, 2025.

F2 · balance_after: Includes 180,003 shares of common stock of the Issuer ("Common Stock") subject to previously granted restricted stock unit awards ("RSUs") and 55,412 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-25-018509 · tm257777-1_4seq1.xml · nonDerivative · entry 1

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,059,394

F1 · shares: On February 25, 2025, 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, 2024 through December 31, 2024, at between target and maximum performance levels, resulting in 33% of the performance share units ("PSUs") originally granted on April 15, 2022 that vest based on the Issuer's net debt to adjusted EBITDAX multiple becoming earned at 180.53% of the target amount granted. The service-based vesting requirements applicable to the PSUs originally granted on April 15, 2022 that vest based on the Issuer's net debt to adjusted EBITDAX multiple were satisfied as of December 31, 2024.

F2 · balance_after: Includes 180,003 shares of common stock of the Issuer ("Common Stock") subject to previously granted restricted stock unit awards ("RSUs") and 55,412 shares of Common Stock subject to previously granted PSUs, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-24-108845 · tm2426250-2_4seq1.xml · nonDerivative · entry 1

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,045,537

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, 2024.

F2 · balance_after: Includes 180,003 shares of Common Stock subject to RSU awards and 86,120 shares of Common Stock subject to previously granted performance share units, in each case, that remain subject to service-based vesting.

SEC source: 0001104659-24-061290 · tm2414516-1_4seq1.xml · nonDerivative · entry 1

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,032,251

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.40 to $34.05, inclusive.

F2 · balance_after: Includes 196,294 shares of Common Stock subject to RSU awards and 87,734 performance share units in respect of which performance has been certified, in each case that remain subject to service-based vesting.

SEC source: 0001104659-24-062606 · tm2414699-1_4seq1.xml · derivative · entry 5

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,514

Underlying: Common stock, par value $0.01 per share · 11,516 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.

F5 · derivative.exercise_price: On May 14, 2024, the Compensation Committee certified the Issuer's absolute TSR over the second performance period, which ran from April 15, 2023 through April 15, 2024, at the maximum level, resulting in 25% of the PSUs originally granted on April 15, 2022 that vest based on the Issuer's absolute TSR becoming earned at 200% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until April 15, 2025.

F5 · price: On May 14, 2024, the Compensation Committee certified the Issuer's absolute TSR over the second performance period, which ran from April 15, 2023 through April 15, 2024, at the maximum level, resulting in 25% of the PSUs originally granted on April 15, 2022 that vest based on the Issuer's absolute TSR becoming earned at 200% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until April 15, 2025.

F5 · derivative.exercise_date: On May 14, 2024, the Compensation Committee certified the Issuer's absolute TSR over the second performance period, which ran from April 15, 2023 through April 15, 2024, at the maximum level, resulting in 25% of the PSUs originally granted on April 15, 2022 that vest based on the Issuer's absolute TSR becoming earned at 200% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until April 15, 2025.

F5 · derivative.expiration_date: On May 14, 2024, the Compensation Committee certified the Issuer's absolute TSR over the second performance period, which ran from April 15, 2023 through April 15, 2024, at the maximum level, resulting in 25% of the PSUs originally granted on April 15, 2022 that vest based on the Issuer's absolute TSR becoming earned at 200% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until April 15, 2025.

SEC source: 0001104659-24-062606 · tm2414699-1_4seq1.xml · derivative · entry 4

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common stock, par value $0.01 per share · 26,260 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.

F1 · derivative.exercise_price: On May 14, 2024, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") certified the Issuer's absolute total shareholder return ("TSR") performance over the third performance period, which ran from April 15, 2023 through April 15, 2024, at the maximum level, resulting in 25% of the performance share units ("PSUs") originally granted on April 15, 2021 that vest based on absolute TSR becoming earned at 200% of the target amount granted over such third performance period.

F2 · derivative.exercise_price: On May 14, 2024, the Compensation Committee also certified the Issuer's absolute TSR performance over the fourth performance period, which ran from April 15, 2021 through April 15, 2024, at the maximum level, resulting in 25% of the PSUs originally granted on April 15, 2021 that vest based on absolute TSR becoming earned at 200% of the target amount granted over such fourth performance period. The service-based vesting requirements applicable to the PSUs originally granted on April 15, 2021 that vest based on absolute TSR were satisfied as of April 15, 2024.

F1 · price: On May 14, 2024, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") certified the Issuer's absolute total shareholder return ("TSR") performance over the third performance period, which ran from April 15, 2023 through April 15, 2024, at the maximum level, resulting in 25% of the performance share units ("PSUs") originally granted on April 15, 2021 that vest based on absolute TSR becoming earned at 200% of the target amount granted over such third performance period.

F2 · price: On May 14, 2024, the Compensation Committee also certified the Issuer's absolute TSR performance over the fourth performance period, which ran from April 15, 2021 through April 15, 2024, at the maximum level, resulting in 25% of the PSUs originally granted on April 15, 2021 that vest based on absolute TSR becoming earned at 200% of the target amount granted over such fourth performance period. The service-based vesting requirements applicable to the PSUs originally granted on April 15, 2021 that vest based on absolute TSR were satisfied as of April 15, 2024.

F1 · derivative.exercise_date: On May 14, 2024, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") certified the Issuer's absolute total shareholder return ("TSR") performance over the third performance period, which ran from April 15, 2023 through April 15, 2024, at the maximum level, resulting in 25% of the performance share units ("PSUs") originally granted on April 15, 2021 that vest based on absolute TSR becoming earned at 200% of the target amount granted over such third performance period.

F2 · derivative.exercise_date: On May 14, 2024, the Compensation Committee also certified the Issuer's absolute TSR performance over the fourth performance period, which ran from April 15, 2021 through April 15, 2024, at the maximum level, resulting in 25% of the PSUs originally granted on April 15, 2021 that vest based on absolute TSR becoming earned at 200% of the target amount granted over such fourth performance period. The service-based vesting requirements applicable to the PSUs originally granted on April 15, 2021 that vest based on absolute TSR were satisfied as of April 15, 2024.

F1 · derivative.expiration_date: On May 14, 2024, the Compensation Committee (the "Compensation Committee") of Antero Resources Corp. (the "Issuer") certified the Issuer's absolute total shareholder return ("TSR") performance over the third performance period, which ran from April 15, 2023 through April 15, 2024, at the maximum level, resulting in 25% of the performance share units ("PSUs") originally granted on April 15, 2021 that vest based on absolute TSR becoming earned at 200% of the target amount granted over such third performance period.

F2 · derivative.expiration_date: On May 14, 2024, the Compensation Committee also certified the Issuer's absolute TSR performance over the fourth performance period, which ran from April 15, 2021 through April 15, 2024, at the maximum level, resulting in 25% of the PSUs originally granted on April 15, 2021 that vest based on absolute TSR becoming earned at 200% of the target amount granted over such fourth performance period. The service-based vesting requirements applicable to the PSUs originally granted on April 15, 2021 that vest based on absolute TSR were satisfied as of April 15, 2024.