AR

SEC source: 0001104659-21-071802 · tm2117496-1_4seq1.xml · nonDerivative · entry 1

Pearce Sheri · CIK 0001808080 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,822

F1 · balance_after: Includes 77,590 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-054938 · tm2114154-1_4seq1.xml · derivative · entry 5

Warren Glen C Jr · CIK 0001375364 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,250

Underlying: Common stock, par value $0.01 per · 16,750 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: Each PSU represents a contingent right to receive one share of Common Stock.

F8 · derivative.exercise_date: Each PSU represents a contingent right to receive one share of Common Stock.

F8 · derivative.expiration_date: Each PSU represents a contingent right to receive one share of Common Stock.

F9 · balance_after: Vesting of these PSUs granted on July 15, 2020 is contingent upon the achievement of both a performance and a service requirement. One third of the remaining 50,250 PSUs will become earned based on the Issuer's absolute TSR over the course of each of Performance Period Two (beginning on April 15, 2021 and ending on April 15, 2022), Performance Period Three (beginning on April 15, 2022 and ending on April 15, 2023), and Performance Period Four (beginning on the grant date and ending on April 15, 2023).

SEC source: 0001104659-21-054938 · tm2114154-1_4seq1.xml · nonDerivative · entry 2

Warren Glen C Jr · CIK 0001375364 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,555,870

F4 · shares: On April 22, 2021, the Compensation Committee of the Issuer certified the Issuer's relative TSR performance over the first performance period, which ran from July 15, 2020 through April 15, 2021, at the maximum level, resulting in 25% of the PSUs originally granted on July 15, 2020 that vest based on relative TSR becoming earned at 150% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until April 15, 2023.

F2 · balance_after: Includes 3,848,997 shares of common stock of the Issuer ("Common Stock") held by Canton Investment Holdings LLC ("Canton"). The Reporting Person is the managing member and 50% owner of Canton. The Reporting Person disclaims beneficial ownership of all shares of Common Stock held by Canton except to the extent of his pecuniary interest therein.

F5 · balance_after: Includes 100,500 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting and 50,250 shares of Common Stock subject to previously granted performance stock unit awards that remain subject to vesting

SEC source: 0001104659-21-054938 · tm2114154-1_4seq1.xml · nonDerivative · entry 1

Warren Glen C Jr · CIK 0001375364 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,530,745

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 April 22, 2021, the Compensation Committee of the Issuer certified the Issuer's absolute total shareholder return ("TSR") performance over the first performance period, which ran from July 15, 2020 through April 15, 2021, at the maximum level, resulting in 25% of the performance share units ("PSUs") originally granted on July 15, 2020 that vest based on absolute TSR becoming earned at 150% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until April 15, 2023.

F2 · balance_after: Includes 3,848,997 shares of common stock of the Issuer ("Common Stock") held by Canton Investment Holdings LLC ("Canton"). The Reporting Person is the managing member and 50% owner of Canton. The Reporting Person disclaims beneficial ownership of all shares of Common Stock held by Canton except to the extent of his pecuniary interest therein.

F3 · balance_after: Includes 100,500 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting and 25,125 shares of Common Stock subject to previously granted performance stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-054933 · tm2114154d2_4seq1.xml · derivative · entry 4

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,625

Underlying: Common stock, par value $0.01 per share · 41,875 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.

F6 · derivative.exercise_price: Each PSU represents a contingent right to receive one share of Common Stock.

F6 · derivative.exercise_date: Each PSU represents a contingent right to receive one share of Common Stock.

F6 · derivative.expiration_date: Each PSU represents a contingent right to receive one share of Common Stock.

F7 · balance_after: Vesting of these PSUs granted on July 15, 2020 is contingent upon the achievement of both a performance and a service requirement. One third of the remaining 125,625 PSUs will become earned based on the Issuer's absolute TSR over the course of each of Performance Period Two (beginning on April 15, 2021 and ending on April 15, 2022), Performance Period Three (beginning on April 15, 2022 and ending on April 15, 2023), and Performance Period Four (beginning on the grant date and ending on April 15, 2023).

SEC source: 0001104659-21-054933 · tm2114154d2_4seq1.xml · nonDerivative · entry 2

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,261,765

F3 · shares: On April 22, 2021, the Compensation Committee of the Issuer certified the Issuer's relative TSR performance over the first performance period, which ran from July 15, 2020 through April 15, 2021, at the maximum level, resulting in 25% of the PSUs originally granted on July 15, 2020 that vest based on relative TSR becoming earned at 150% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until April 15, 2023.

F4 · balance_after: Includes 487,594 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting and 125,624 shares of Common Stock subject to previously granted performance stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-054933 · tm2114154d2_4seq1.xml · nonDerivative · entry 1

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,198,953

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 April 22, 2021, the Compensation Committee of the Issuer certified the Issuer's absolute total shareholder return ("TSR") performance over the first performance period, which ran from July 15, 2020 through April 15, 2021, at the maximum level, resulting in 25% of the performance share units ("PSUs") originally granted on July 15, 2020 that vest based on absolute TSR becoming earned at 150% of the target amount granted. These PSUs remain outstanding and subject to service-based vesting requirements until April 15, 2023.

F2 · balance_after: Includes 487,594 shares of common stock of the Issuer ("Common Stock") subject to previously granted restricted stock unit awards that remain subject to vesting and 62,812 shares of Common Stock subject to previously granted performance stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-052007 · tm2113367-3_4seq1.xml · nonDerivative · entry 2

Pearce Sheri · CIK 0001808080 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,822

F3 · shares: Reflects the grant of restricted stock units pursuant to the Antero Resources Corporation 2020 Long-Term Incentive Plan which vest as to 25% of the total amount granted on each of the first four anniversaries of April 15, 2021, subject to continued employment through each vesting date.

F4 · balance_after: Includes 77,590 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-052007 · tm2113367-3_4seq1.xml · nonDerivative · entry 1

Pearce Sheri · CIK 0001808080 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,562

F1 · shares: In connection with the vesting and settlement restricted stock units through the issuance of common stock of the Issuer ("Common Stock") pursuant to the 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 her 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, 2021.

F2 · balance_after: Includes 51,330 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-052000 · tm2113367-1_4seq1.xml · derivative · entry 3

Ash W Patrick · CIK 0001673454 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,260

Underlying: Common stock, par value $0.01 · 26,260 shares

Expires not disclosed

F5 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of Common Stock.

F6 · derivative.exercise_date: Vesting of the PSUs granted on April 15, 2021 is contingent upon the achievement of both a performance and a service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on the grant date and ending on April 15, 2022, Performance Period Two beginning on April 15, 2022 and ending on April 15, 2023, Performance Period Three beginning on April 15, 2023 and ending on April 15, 2024, and Performance Period Four beginning on the grant date and ending on April 15, 2024.

F7 · derivative.exercise_date: The performance component for one quarter of the PSUs is determined following the completion of each respective 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, as shown in column 5. Irrespective of the performance achieved during each performance period, the PSUs generally will not vest unless the Reporting Person also remains continuously employed from the grant date through April 15, 2024.

F6 · derivative.expiration_date: Vesting of the PSUs granted on April 15, 2021 is contingent upon the achievement of both a performance and a service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on the grant date and ending on April 15, 2022, Performance Period Two beginning on April 15, 2022 and ending on April 15, 2023, Performance Period Three beginning on April 15, 2023 and ending on April 15, 2024, and Performance Period Four beginning on the grant date and ending on April 15, 2024.

F7 · derivative.expiration_date: The performance component for one quarter of the PSUs is determined following the completion of each respective 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, as shown in column 5. Irrespective of the performance achieved during each performance period, the PSUs generally will not vest unless the Reporting Person also remains continuously employed from the grant date through April 15, 2024.

F6 · derivative.underlying_shares: Vesting of the PSUs granted on April 15, 2021 is contingent upon the achievement of both a performance and a service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on the grant date and ending on April 15, 2022, Performance Period Two beginning on April 15, 2022 and ending on April 15, 2023, Performance Period Three beginning on April 15, 2023 and ending on April 15, 2024, and Performance Period Four beginning on the grant date and ending on April 15, 2024.

F6 · balance_after: Vesting of the PSUs granted on April 15, 2021 is contingent upon the achievement of both a performance and a service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on the grant date and ending on April 15, 2022, Performance Period Two beginning on April 15, 2022 and ending on April 15, 2023, Performance Period Three beginning on April 15, 2023 and ending on April 15, 2024, and Performance Period Four beginning on the grant date and ending on April 15, 2024.

SEC source: 0001104659-21-052000 · tm2113367-1_4seq1.xml · nonDerivative · entry 2

Ash W Patrick · CIK 0001673454 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 977,539

F3 · shares: Reflects the grant of restricted stock units pursuant to the Antero Resources Corporation 2020 Long-Term Incentive Plan which vest as to 25% of the total amount granted on each of the first four anniversaries of April 15, 2021, subject to continued employment through each vesting date.

F4 · balance_after: Includes 766,547 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-052000 · tm2113367-1_4seq1.xml · nonDerivative · entry 1

Ash W Patrick · CIK 0001673454 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 925,018

F1 · shares: In connection with the vesting and settlement of restricted stock units through the issuance of common stock of the Issuer ("Common Stock") pursuant to the 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 his 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, 2021.

F2 · balance_after: Includes 714,026 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-052005 · tm2113367-2_4seq1.xml · derivative · entry 3

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,260

Underlying: Common stock, par value $0.01 · 26,260 shares

Expires not disclosed

F5 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of Common Stock.

F6 · derivative.exercise_date: Vesting of the PSUs granted on April 15, 2021 is contingent upon the achievement of both a performance and a service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on the grant date and ending on April 15, 2022, Performance Period Two beginning on April 15, 2022 and ending on April 15, 2023, Performance Period Three beginning on April 15, 2023 and ending on April 15, 2024, and Performance Period Four beginning on the grant date and ending on April 15, 2024.

F7 · derivative.exercise_date: The performance component for one quarter of the PSUs is determined following the completion of each respective 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, as shown in column 5. Irrespective of the performance achieved during each performance period, the PSUs generally will not vest unless the Reporting Person also remains continuously employed from the grant date through April 15, 2024.

F6 · derivative.expiration_date: Vesting of the PSUs granted on April 15, 2021 is contingent upon the achievement of both a performance and a service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on the grant date and ending on April 15, 2022, Performance Period Two beginning on April 15, 2022 and ending on April 15, 2023, Performance Period Three beginning on April 15, 2023 and ending on April 15, 2024, and Performance Period Four beginning on the grant date and ending on April 15, 2024.

F7 · derivative.expiration_date: The performance component for one quarter of the PSUs is determined following the completion of each respective 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, as shown in column 5. Irrespective of the performance achieved during each performance period, the PSUs generally will not vest unless the Reporting Person also remains continuously employed from the grant date through April 15, 2024.

F6 · derivative.underlying_shares: Vesting of the PSUs granted on April 15, 2021 is contingent upon the achievement of both a performance and a service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on the grant date and ending on April 15, 2022, Performance Period Two beginning on April 15, 2022 and ending on April 15, 2023, Performance Period Three beginning on April 15, 2023 and ending on April 15, 2024, and Performance Period Four beginning on the grant date and ending on April 15, 2024.

F7 · derivative.underlying_shares: The performance component for one quarter of the PSUs is determined following the completion of each respective 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, as shown in column 5. Irrespective of the performance achieved during each performance period, the PSUs generally will not vest unless the Reporting Person also remains continuously employed from the grant date through April 15, 2024.

F6 · balance_after: Vesting of the PSUs granted on April 15, 2021 is contingent upon the achievement of both a performance and a service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on the grant date and ending on April 15, 2022, Performance Period Two beginning on April 15, 2022 and ending on April 15, 2023, Performance Period Three beginning on April 15, 2023 and ending on April 15, 2024, and Performance Period Four beginning on the grant date and ending on April 15, 2024.

F7 · balance_after: The performance component for one quarter of the PSUs is determined following the completion of each respective 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, as shown in column 5. Irrespective of the performance achieved during each performance period, the PSUs generally will not vest unless the Reporting Person also remains continuously employed from the grant date through April 15, 2024.

SEC source: 0001104659-21-052005 · tm2113367-2_4seq1.xml · nonDerivative · entry 2

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,203,605

F3 · shares: Reflects the grant of restricted stock units pursuant to the Antero Resources Corporation 2020 Long-Term Incentive Plan which vest as to 25% of the total amount granted on each of the first four anniversaries of April 15, 2021, subject to continued employment through each vesting date.

F4 · balance_after: Includes 945,130 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-052005 · tm2113367-2_4seq1.xml · nonDerivative · entry 1

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,151,084

F1 · shares: In connection with the vesting and settlement of restricted stock units through the issuance of common stock of the Issuer ("Common Stock") pursuant to the 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 his 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, 2021.

F2 · balance_after: Includes 892,609 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-052011 · tm2113367-6_4seq1.xml · derivative · entry 4

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,172

Underlying: Common stock, par value $0.01 per share · 118,172 shares

Expires not disclosed

F6 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of Common Stock.

F7 · derivative.exercise_date: Vesting of the PSUs granted on April 15, 2021 is contingent upon the achievement of both a performance and a service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on the grant date and ending on April 15, 2022, Performance Period Two beginning on April 15, 2022 and ending on April 15, 2023, Performance Period Three beginning on April 15, 2023 and ending on April 15, 2024, and Performance Period Four beginning on the grant date and ending on April 15, 2024.

F8 · derivative.exercise_date: The performance component for one quarter of the PSUs is determined following the completion of each respective 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, as shown in column 5. Irrespective of the performance achieved during each performance period, the PSUs generally will not vest unless the Reporting Person also remains continuously employed from the grant date through April 15, 2024.

F7 · derivative.expiration_date: Vesting of the PSUs granted on April 15, 2021 is contingent upon the achievement of both a performance and a service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on the grant date and ending on April 15, 2022, Performance Period Two beginning on April 15, 2022 and ending on April 15, 2023, Performance Period Three beginning on April 15, 2023 and ending on April 15, 2024, and Performance Period Four beginning on the grant date and ending on April 15, 2024.

F8 · derivative.expiration_date: The performance component for one quarter of the PSUs is determined following the completion of each respective 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, as shown in column 5. Irrespective of the performance achieved during each performance period, the PSUs generally will not vest unless the Reporting Person also remains continuously employed from the grant date through April 15, 2024.

F7 · derivative.underlying_shares: Vesting of the PSUs granted on April 15, 2021 is contingent upon the achievement of both a performance and a service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on the grant date and ending on April 15, 2022, Performance Period Two beginning on April 15, 2022 and ending on April 15, 2023, Performance Period Three beginning on April 15, 2023 and ending on April 15, 2024, and Performance Period Four beginning on the grant date and ending on April 15, 2024.

F8 · derivative.underlying_shares: The performance component for one quarter of the PSUs is determined following the completion of each respective 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, as shown in column 5. Irrespective of the performance achieved during each performance period, the PSUs generally will not vest unless the Reporting Person also remains continuously employed from the grant date through April 15, 2024.

F7 · balance_after: Vesting of the PSUs granted on April 15, 2021 is contingent upon the achievement of both a performance and a service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on the grant date and ending on April 15, 2022, Performance Period Two beginning on April 15, 2022 and ending on April 15, 2023, Performance Period Three beginning on April 15, 2023 and ending on April 15, 2024, and Performance Period Four beginning on the grant date and ending on April 15, 2024.

F8 · balance_after: The performance component for one quarter of the PSUs is determined following the completion of each respective 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, as shown in column 5. Irrespective of the performance achieved during each performance period, the PSUs generally will not vest unless the Reporting Person also remains continuously employed from the grant date through April 15, 2024.

SEC source: 0001104659-21-052011 · tm2113367-6_4seq1.xml · nonDerivative · entry 2

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,136,141

F3 · shares: Reflects the grant of restricted stock units pursuant to the Antero Resources Corporation 2020 Long-Term Incentive Plan which vest as to 25% of the total amount granted on each of the first four anniversaries of April 15, 2021, subject to continued employment through each vesting date.

F4 · balance_after: Includes 487,594 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-052011 · tm2113367-6_4seq1.xml · nonDerivative · entry 1

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,899,797

F1 · shares: In connection with the vesting and settlement of restricted stock units through the issuance of common stock of the Issuer ("Common Stock") pursuant to the 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 its 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, 2021.

F2 · balance_after: Includes 251,250 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-052010 · tm2113367-5_4seq1.xml · nonDerivative · entry 1

Warren Glen C Jr · CIK 0001375364 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,505,620

F1 · shares: In connection with the vesting and settlement of restricted stock units through the issuance of common stock of the Issuer ("Common Stock") pursuant to the 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 his 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, 2021.

F2 · balance_after: Includes 3,848,997 shares of Common Stock held by Canton Investment Holdings LLC ("Canton"). The Reporting Person is the managing member and 50% owner of Canton. The Reporting Person disclaims beneficial ownership of all shares of Common Stock held by Canton except to the extent of his pecuniary interest therein.

F3 · balance_after: Includes 100,500 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-052008 · tm2113367-4_4seq1.xml · derivative · entry 3

Schopp Alvyn A. · CIK 0001586799 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,764

Underlying: Common stock, · 36,764 shares

Expires not disclosed

F5 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of common stock of the Issuer ("Common Stock").

F6 · derivative.exercise_date: Vesting of the PSUs granted on April 15, 2021 is contingent upon the achievement of both a performance and a service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on the grant date and ending on April 15, 2022, Performance Period Two beginning on April 15, 2022 and ending on April 15, 2023, Performance Period Three beginning on April 15, 2023 and ending on April 15, 2024, and Performance Period Four beginning on the grant date and ending on April 15, 2024.

F7 · derivative.exercise_date: The performance component for one quarter of the PSUs is determined following the completion of each respective 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, as shown in column 5. Irrespective of the performance achieved during each performance period, the PSUs generally will not vest unless the Reporting Person also remains continuously employed from the grant date through April 15, 2024.

F6 · derivative.expiration_date: Vesting of the PSUs granted on April 15, 2021 is contingent upon the achievement of both a performance and a service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on the grant date and ending on April 15, 2022, Performance Period Two beginning on April 15, 2022 and ending on April 15, 2023, Performance Period Three beginning on April 15, 2023 and ending on April 15, 2024, and Performance Period Four beginning on the grant date and ending on April 15, 2024.

F7 · derivative.expiration_date: The performance component for one quarter of the PSUs is determined following the completion of each respective 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, as shown in column 5. Irrespective of the performance achieved during each performance period, the PSUs generally will not vest unless the Reporting Person also remains continuously employed from the grant date through April 15, 2024.

F6 · derivative.underlying_shares: Vesting of the PSUs granted on April 15, 2021 is contingent upon the achievement of both a performance and a service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on the grant date and ending on April 15, 2022, Performance Period Two beginning on April 15, 2022 and ending on April 15, 2023, Performance Period Three beginning on April 15, 2023 and ending on April 15, 2024, and Performance Period Four beginning on the grant date and ending on April 15, 2024.

F7 · derivative.underlying_shares: The performance component for one quarter of the PSUs is determined following the completion of each respective 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, as shown in column 5. Irrespective of the performance achieved during each performance period, the PSUs generally will not vest unless the Reporting Person also remains continuously employed from the grant date through April 15, 2024.

F6 · balance_after: Vesting of the PSUs granted on April 15, 2021 is contingent upon the achievement of both a performance and a service requirement. The performance component measures absolute total shareholder return over each of four performance periods: Performance Period One beginning on the grant date and ending on April 15, 2022, Performance Period Two beginning on April 15, 2022 and ending on April 15, 2023, Performance Period Three beginning on April 15, 2023 and ending on April 15, 2024, and Performance Period Four beginning on the grant date and ending on April 15, 2024.

F7 · balance_after: The performance component for one quarter of the PSUs is determined following the completion of each respective 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, as shown in column 5. Irrespective of the performance achieved during each performance period, the PSUs generally will not vest unless the Reporting Person also remains continuously employed from the grant date through April 15, 2024.

SEC source: 0001104659-21-052008 · tm2113367-4_4seq1.xml · nonDerivative · entry 2

Schopp Alvyn A. · CIK 0001586799 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,798,423

F3 · shares: Reflects the grant of restricted stock units pursuant to the Antero Resources Corporation 2020 Long-Term Incentive Plan which vest as to 25% of the total amount granted on each of the first four anniversaries of April 15, 2021, subject to continued employment through each vesting date.

F4 · balance_after: Includes 1,119,556 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-052008 · tm2113367-4_4seq1.xml · nonDerivative · entry 1

Schopp Alvyn A. · CIK 0001586799 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,724,894

F1 · shares: In connection with the vesting and settlement of restricted stock units through the issuance of common stock of the Issuer ("Common Stock") pursuant to the 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 his 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, 2021.

F2 · balance_after: Includes 1,046,027 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-050216 · tm2112879-1_4seq1.xml · nonDerivative · entry 1

CLARK ROBERT J · CIK 0000020769 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 153,791

SEC source: 0001104659-21-050229 · tm2112879-6_4seq1.xml · nonDerivative · entry 1

Sutil Vicky · CIK 0001508550 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,714

SEC source: 0001104659-21-050230 · tm2112879-7_4seq1.xml · nonDerivative · entry 1

Tyree Thomas B JR · CIK 0001309347 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,714

SEC source: 0001104659-21-050225 · tm2112879-5_4seq1.xml · nonDerivative · entry 1

Mutschler Jacqueline C · CIK 0001793080 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,993

SEC source: 0001104659-21-050221 · tm2112879-4_4seq1.xml · nonDerivative · entry 1

KORUS PAUL · CIK 0001196776 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,640

SEC source: 0001104659-21-050219 · tm2112879-3_4seq1.xml · nonDerivative · entry 1

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 326,136

SEC source: 0001104659-21-050218 · tm2112879-2_4seq1.xml · nonDerivative · entry 1

Hardesty Benjamin A. · CIK 0001587768 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 145,625

SEC source: 0001140361-21-008821 · form4.xml · nonDerivative · entry 8

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 9,382,570

F4 · kind: Pro rata distributions from Yorktown Energy Partners VIII, L.P. ("Yorktown VIII"), Yorktown VIII Company LP ("Yorktown VIII Company") and Yorktown VIII Associates LLC ("Yorktown VIII Associates").

F9 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F8 · ownership.nature: These securities are owned directly by Yorktown VIII. The reporting person is a member and manager of Yorktown VIII Associates, the general partner of Yorktown VIII Company, the general partner of Yorktown VIII.

SEC source: 0001140361-21-008821 · form4.xml · nonDerivative · entry 7

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F3 · kind: Pro rata distributions from Yorktown Energy Partners VII, L.P. ("Yorktown VII"), Yorktown VII Company LP ("Yorktown VII Company") and Yorktown VII Associates LLC ("Yorktown VII Associates").

F7 · ownership.nature: These securities are owned directly by Yorktown VII. The reporting person is a member and manager of Yorktown VII Associates, the general partner of Yorktown VII Company, the general partner of Yorktown VII.

SEC source: 0001140361-21-008821 · form4.xml · nonDerivative · entry 6

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F2 · kind: Pro rata distributions from Yorktown Energy Partners VI, L.P. ("Yorktown VI"), Yorktown VI Company LP ("Yorktown VI Company") and Yorktown VI Associates LLC ("Yorktown VI Associates").

F6 · ownership.nature: These securities are owned directly by Yorktown VI. The reporting person is a member and manager of Yorktown VI Associates, the general partner of Yorktown VI Company, the general partner of Yorktown VI.

SEC source: 0001140361-21-008821 · form4.xml · nonDerivative · entry 5

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: Pro rata distributions from Yorktown Energy Partners V, L.P. ("Yorktown V") and Yorktown V Company LLC ("Yorktown V Company").

F5 · ownership.nature: These securities are owned directly by Yorktown V. The reporting person is a member and manager of Yorktown V Company, the general partner of Yorktown V.

SEC source: 0001140361-21-008821 · form4.xml · nonDerivative · entry 4

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 320,587

F4 · kind: Pro rata distributions from Yorktown Energy Partners VIII, L.P. ("Yorktown VIII"), Yorktown VIII Company LP ("Yorktown VIII Company") and Yorktown VIII Associates LLC ("Yorktown VIII Associates").

SEC source: 0001140361-21-008821 · form4.xml · nonDerivative · entry 3

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 313,227

F3 · kind: Pro rata distributions from Yorktown Energy Partners VII, L.P. ("Yorktown VII"), Yorktown VII Company LP ("Yorktown VII Company") and Yorktown VII Associates LLC ("Yorktown VII Associates").

SEC source: 0001140361-21-008821 · form4.xml · nonDerivative · entry 2

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 309,156

F2 · kind: Pro rata distributions from Yorktown Energy Partners VI, L.P. ("Yorktown VI"), Yorktown VI Company LP ("Yorktown VI Company") and Yorktown VI Associates LLC ("Yorktown VI Associates").

SEC source: 0001140361-21-008821 · form4.xml · nonDerivative · entry 1

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 307,841

F1 · kind: Pro rata distributions from Yorktown Energy Partners V, L.P. ("Yorktown V") and Yorktown V Company LLC ("Yorktown V Company").

SEC source: 0001104659-21-032257 · tm218760-1_4seq1.xml · nonDerivative · entry 1

CLARK ROBERT J · CIK 0000020769 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 148,242

F1 · price: The price reported in Column 4 is a weighted average price. These shares of common stock of the Issuer ("Common Stock") were sold in multiple transactions at prices ranging from $9.58 to $9.99, 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 of Common Stock sold at each separate price within the range set forth above.

SEC source: 0001104659-21-006004 · a4.xml · nonDerivative · entry 2

Ash W Patrick · CIK 0001673454 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 927,579

F1 · shares: In connection with the vesting and settlement of restricted stock units through the issuance of common stock of the Issuer ("Common Stock") pursuant to the Antero Resources Corporation Long-Term Incentive Plan, the Issuer withheld Common Stock that would otherwise have been issued to the Reporting Person to satisfy his tax withholding obligations.

F4 · shares: The number of shares of Common Stock withheld was determined based on the closing price per share of Common Stock on January 20, 2021.

F5 · balance_after: Includes 719,847 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-006003 · a4.xml · nonDerivative · entry 1

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,152,698

F1 · shares: In connection with the vesting of shares of restricted stock units pursuant to the Antero Resources Corporation Long-Term Incentive Plan, the Issuer withheld shares that would otherwise have been issued to the Reporting Person to satisfy his tax withholding obligations. The number of shares withheld was determined based on the closing price per share on January 20, 2021.

F2 · balance_after: Includes 896,278 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-006002 · a4.xml · nonDerivative · entry 1

Schopp Alvyn A. · CIK 0001586799 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,726,508

F1 · shares: In connection with the vesting of shares of restricted stock units pursuant to the Antero Resources Corporation Long-Term Incentive Plan, the Issuer withheld shares that would otherwise have been issued to the Reporting Person to satisfy his tax withholding obligations. The number of shares withheld was determined based on the closing price per share on January 20, 2021.

F2 · balance_after: Includes 1,049,696 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-006001 · a4.xml · nonDerivative · entry 1

Pearce Sheri · CIK 0001808080 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,417

F1 · shares: In connection with the vesting and settlement restricted stock units through the issuance of common stock of the Issuer ("Common Stock") pursuant to the Antero Resources Corporation Long-Term Incentive Plan, the Issuer withheld Common Stock that would otherwise have been issued to the Reporting Person to satisfy her tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common Stock on January 15, 2021.

F2 · balance_after: Includes 66,916 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-006004 · a4.xml · nonDerivative · entry 1

Ash W Patrick · CIK 0001673454 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,081,776

F1 · shares: In connection with the vesting and settlement of restricted stock units through the issuance of common stock of the Issuer ("Common Stock") pursuant to the Antero Resources Corporation Long-Term Incentive Plan, the Issuer withheld Common Stock that would otherwise have been issued to the Reporting Person to satisfy his tax withholding obligations.

F2 · shares: The number of shares of Common Stock withheld was determined based on the closing price per share of Common Stock on January 15, 2021.

F3 · balance_after: Includes 1,068,522 shares of Common Stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-21-003415 · a4.xml · nonDerivative · entry 2

CLARK ROBERT J · CIK 0000020769 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 316,242

SEC source: 0001104659-21-003420 · a4.xml · nonDerivative · entry 2

Sutil Vicky · CIK 0001508550 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,165

SEC source: 0001104659-21-003422 · a4.xml · nonDerivative · entry 2

Tyree Thomas B JR · CIK 0001309347 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,165

SEC source: 0001104659-21-003419 · a4.xml · nonDerivative · entry 2

Mutschler Jacqueline C · CIK 0001793080 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,444

SEC source: 0001104659-21-003418 · a4.xml · nonDerivative · entry 2

KORUS PAUL · CIK 0001196776 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 97,091

SEC source: 0001104659-21-003417 · a4.xml · nonDerivative · entry 2

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 306,675

SEC source: 0001104659-21-003416 · a4.xml · nonDerivative · entry 2

Hardesty Benjamin A. · CIK 0001587768 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,076