AR

SEC source: 0001104659-19-040181 · a4.xml · nonDerivative · entry 1

KORUS PAUL · CIK 0001196776 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,307

SEC source: 0001104659-19-035111 · a4.xml · nonDerivative · entry 2

Warburg Pincus Private Equity X O&G, L.P. · CIK 0001528258 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · balance_after: Effective June 10, 2019, WP X O&G (as defined below) sold 15,594,360 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") and WP X Partners sold 499,803 shares of Common Stock of the Issuer (collectively, the "Sale").

F2 · balance_after: This Form 4 is filed on behalf of (i) Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners"); and (ii) Warburg Pincus Private Equity X O&G, L.P., a Delaware limited partnership ("WP X O&G").

F3 · balance_after: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X Partners and WP X O&G. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP LP"), is the general partner of WP X GP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP LP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F4 · balance_after: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP.

F5 · ownership.nature: Common Stock of the Issuer was held directly by WP X Partners.

SEC source: 0001104659-19-035111 · a4.xml · nonDerivative · entry 1

Warburg Pincus Private Equity X O&G, L.P. · CIK 0001528258 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · balance_after: Effective June 10, 2019, WP X O&G (as defined below) sold 15,594,360 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") and WP X Partners sold 499,803 shares of Common Stock of the Issuer (collectively, the "Sale").

F2 · balance_after: This Form 4 is filed on behalf of (i) Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners"); and (ii) Warburg Pincus Private Equity X O&G, L.P., a Delaware limited partnership ("WP X O&G").

F3 · balance_after: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X Partners and WP X O&G. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP LP"), is the general partner of WP X GP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP LP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F4 · balance_after: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP.

SEC source: 0001104659-19-035112 · a4.xml · nonDerivative · entry 1

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

Landy Joseph P. · CIK 0001220638 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F1 · balance_after: Effective June 10, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) sold an aggregate total of 16,094,190 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") (the "Sale").

F2 · balance_after: This Form 4 is filed on behalf of Warburg Pincus LLC, a New York limited liability company ("WP LLC") and Charles R. Kaye and Joseph P. Landy, each a Managing General Partner of Warburg Pincus & Co., a New York general partnership ("WP") and the Co-Chief Executive Officers and Managing Members of WP LLC (WP LLC, together with Messrs. Kaye and Landy, the "Warburg Pincus Reporting Persons").

F3 · balance_after: Warburg Pincus Private Equity X O&G, L.P., a Delaware limited partnership ("WP X O&G"), was a shareholder of the Company prior to the sale by WP X O&G as reported on a separate Form 4 (the "WP X O&G Sale") and currently holds no shares of Common Stock. Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners"), was a shareholder of the Company prior to the sale by WP X Partners as reported on a Separate Form 4 (the "WP X Partners Sale" and, together with the WP X O&G Sale, the "Sale") and currently owns no shares of Common Stock. WP LLC manages each of WP X O&G and WP X Partners (collectively, the "WP Funds") and WP is the ultimate general partner of the WP Funds. Therefore, the consummation of the Sale altered the indirect beneficial ownership of the Reporting Persons in the shares of Common Stock.

F4 · balance_after: Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may be deemed to control the Warburg Pincus Reporting Persons.

F5 · balance_after: Each of Charles R. Kaye and Joseph P. Landy serves as Managing General Partner of WP and Co-Chief Executive Officer and Managing Member of WP LLC. Therefore, the consummation of the sale by WP X Partners and WP X O&G reported hereunder altered the indirect beneficial ownership of the Reporting Persons in the shares of Common Stock. Mr. Kaye currently owns, directly and indirectly, 121,270 shares of Common Stock. Mr. Landy currently owns 565,799 shares of Common Stock.

F1 · ownership.nature: Effective June 10, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) sold an aggregate total of 16,094,190 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") (the "Sale").

F2 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus LLC, a New York limited liability company ("WP LLC") and Charles R. Kaye and Joseph P. Landy, each a Managing General Partner of Warburg Pincus & Co., a New York general partnership ("WP") and the Co-Chief Executive Officers and Managing Members of WP LLC (WP LLC, together with Messrs. Kaye and Landy, the "Warburg Pincus Reporting Persons").

F3 · ownership.nature: Warburg Pincus Private Equity X O&G, L.P., a Delaware limited partnership ("WP X O&G"), was a shareholder of the Company prior to the sale by WP X O&G as reported on a separate Form 4 (the "WP X O&G Sale") and currently holds no shares of Common Stock. Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners"), was a shareholder of the Company prior to the sale by WP X Partners as reported on a Separate Form 4 (the "WP X Partners Sale" and, together with the WP X O&G Sale, the "Sale") and currently owns no shares of Common Stock. WP LLC manages each of WP X O&G and WP X Partners (collectively, the "WP Funds") and WP is the ultimate general partner of the WP Funds. Therefore, the consummation of the Sale altered the indirect beneficial ownership of the Reporting Persons in the shares of Common Stock.

F4 · ownership.nature: Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may be deemed to control the Warburg Pincus Reporting Persons.

F5 · ownership.nature: Each of Charles R. Kaye and Joseph P. Landy serves as Managing General Partner of WP and Co-Chief Executive Officer and Managing Member of WP LLC. Therefore, the consummation of the sale by WP X Partners and WP X O&G reported hereunder altered the indirect beneficial ownership of the Reporting Persons in the shares of Common Stock. Mr. Kaye currently owns, directly and indirectly, 121,270 shares of Common Stock. Mr. Landy currently owns 565,799 shares of Common Stock.

SEC source: 0001104659-19-035110 · a4.xml · nonDerivative · entry 2

KAGAN PETER · CIK 0001239315 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F1 · balance_after: Effective June 10, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) sold an aggregate of 16,094,190 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") (the "Sale").

F2 · balance_after: The Reporting Person is a Partner of Warburg Pincus & Co., a New York general partnership ("WP"), and a Member and Managing Director of Warburg Pincus LLC, a New York limited liability company ("WP LLC"). Following the Sale, the Warburg Pincus Entities (as defined below) collectively own no shares of Common Stock of the Issuer.

F3 · balance_after: All shares of Common Stock of the Issuer indicated as indirectly owned by the Reporting Person are included because of his affiliation with the Warburg Pincus Entities, due to which Mr. Kagan may be deemed to have an indirect pecuniary interest (within the meaning of Rule 16a-1 under the Securities and Exchange Act of 1934, as amended) in an indeterminate portion of the shares of Common Stock of the Issuer owned by the Warburg Pincus Entities. Mr. Kagan disclaims beneficial ownership of all shares of Common Stock of the Issuer attributable to the Warburg Pincus Entities except to the extent of his direct pecuniary interest therein.

F2 · ownership.nature: The Reporting Person is a Partner of Warburg Pincus & Co., a New York general partnership ("WP"), and a Member and Managing Director of Warburg Pincus LLC, a New York limited liability company ("WP LLC"). Following the Sale, the Warburg Pincus Entities (as defined below) collectively own no shares of Common Stock of the Issuer.

F3 · ownership.nature: All shares of Common Stock of the Issuer indicated as indirectly owned by the Reporting Person are included because of his affiliation with the Warburg Pincus Entities, due to which Mr. Kagan may be deemed to have an indirect pecuniary interest (within the meaning of Rule 16a-1 under the Securities and Exchange Act of 1934, as amended) in an indeterminate portion of the shares of Common Stock of the Issuer owned by the Warburg Pincus Entities. Mr. Kagan disclaims beneficial ownership of all shares of Common Stock of the Issuer attributable to the Warburg Pincus Entities except to the extent of his direct pecuniary interest therein.

F4 · ownership.nature: The Warburg Pincus funds are Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners"), and Warburg Pincus Private Equity X O&G, L.P., a Delaware limited partnership ("WP X O&G"). Warburg Pincus X, L.P., a Delaware limited partnership ("WP X GP"), is the general partner of each of WP X Partners and WP X O&G.

F5 · ownership.nature: Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP LP"), is the general partner of WP X GP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP LP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners. WP is the managing member of WP Partners GP. WP LLC is the manager of each of WP X Partners and WP X O&G.

F6 · ownership.nature: Each of WP X Partners, WP X O&G, WP X GP, WP X GP LP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the "Warburg Pincus Entities."

SEC source: 0001104659-19-035109 · a4.xml · nonDerivative · entry 2

Levy James R. · CIK 0001535563 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F1 · balance_after: Effective June 10, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) sold an aggregate of 16,094,190 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") (the "Sale").

F2 · balance_after: The Reporting Person is a Partner of Warburg Pincus & Co., a New York general partnership ("WP"), and a Member and Managing Director of Warburg Pincus LLC, a New York limited liability company ("WP LLC"). Following the Sale, the Warburg Pincus Entities (as defined below) collectively own no shares of Common Stock of the Issuer.

F3 · balance_after: All shares of Common Stock of the Issuer indicated as indirectly owned by the Reporting Person are included because of his affiliation with the Warburg Pincus Entities, due to which Mr. Levy may be deemed to have an indirect pecuniary interest (within the meaning of Rule 16a-1 under the Securities and Exchange Act of 1934, as amended) in an indeterminate portion of the shares of Common Stock of the Issuer owned by the Warburg Pincus Entities. Mr. Levy disclaims beneficial ownership of all shares of Common Stock of the Issuer attributable to the Warburg Pincus Entities except to the extent of his direct pecuniary interest therein.

F2 · ownership.nature: The Reporting Person is a Partner of Warburg Pincus & Co., a New York general partnership ("WP"), and a Member and Managing Director of Warburg Pincus LLC, a New York limited liability company ("WP LLC"). Following the Sale, the Warburg Pincus Entities (as defined below) collectively own no shares of Common Stock of the Issuer.

F3 · ownership.nature: All shares of Common Stock of the Issuer indicated as indirectly owned by the Reporting Person are included because of his affiliation with the Warburg Pincus Entities, due to which Mr. Levy may be deemed to have an indirect pecuniary interest (within the meaning of Rule 16a-1 under the Securities and Exchange Act of 1934, as amended) in an indeterminate portion of the shares of Common Stock of the Issuer owned by the Warburg Pincus Entities. Mr. Levy disclaims beneficial ownership of all shares of Common Stock of the Issuer attributable to the Warburg Pincus Entities except to the extent of his direct pecuniary interest therein.

F4 · ownership.nature: The Warburg Pincus funds are Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners"), and Warburg Pincus Private Equity X O&G, L.P., a Delaware limited partnership ("WP X O&G"). Warburg Pincus X, L.P., a Delaware limited partnership ("WP X GP"), is the general partner of each of WP X Partners and WP X O&G.

F5 · ownership.nature: Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP LP"), is the general partner of WP X GP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP LP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners. WP is the managing member of WP Partners GP. WP LLC is the manager of each of WP X Partners and WP X O&G.

F6 · ownership.nature: Each of WP X Partners, WP X O&G, WP X GP, WP X GP LP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the "Warburg Pincus Entities."

SEC source: 0001104659-19-033208 · a4.xml · nonDerivative · entry 1

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,620,583

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.40 to $6.57, 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 purchased at each separate price within the range set forth above.

F2 · balance_after: Includes 57,693 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-19-032851 · a4.xml · nonDerivative · entry 1

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,612,833

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.60 to $6.78, 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 purchased at each separate price within the range set forth above.

F2 · balance_after: Includes 57,693 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-19-032572 · a4.xml · nonDerivative · entry 1

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,605,333

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.63 to $6.97, 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 purchased at each separate price within the range set forth above.

F2 · balance_after: Includes 57,693 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-19-032112 · a4.xml · nonDerivative · entry 1

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,598,033

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.73 to $6.87, 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 purchased at each separate price within the range set forth above.

F2 · balance_after: Includes 57,693 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-19-031905 · a4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,198,799

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.80 to $7.07, 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 purchased at each separate price within the range set forth above.

F2 · balance_after: Includes 38,462 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

F3 · 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 held by Canton except to the extent of his pecuniary interest therein.

SEC source: 0001104659-19-031904 · a4.xml · nonDerivative · entry 1

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,590,683

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.80 to $7.08, 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 purchased at each separate price within the range set forth above.

F2 · balance_after: Includes 57,693 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-19-031580 · a4.xml · nonDerivative · entry 1

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,583,483

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.69 to $6.96, 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 purchased at each separate price within the range set forth above.

F2 · balance_after: Includes 57,693 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-19-031579 · a4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,176,899

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.72 to $6.96, 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 purchased at each separate price within the range set forth above.

F2 · balance_after: Includes 38,462 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

F3 · 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 held by Canton except to the extent of his pecuniary interest therein.

SEC source: 0001104659-19-031179 · a4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,151,299

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.89 to $6.97, 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 purchased at each separate price within the range set forth above.

F2 · balance_after: Includes 38,462 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

F3 · 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 held by Canton except to the extent of his pecuniary interest therein.

SEC source: 0001104659-19-031177 · a4.xml · nonDerivative · entry 1

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,576,133

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.92 to $6.97, 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 purchased at each separate price within the range set forth above.

F2 · balance_after: Includes 57,693 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-19-031577 · a4.xml · nonDerivative · entry 1

Hardesty Benjamin A. · CIK 0001587768 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,101

SEC source: 0001104659-19-021990 · a4.xml · derivative · entry 2

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,490

Underlying: Common Stock · 81,490 shares

Expires not disclosed

F3 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of common stock of the Issuer.

F4 · derivative.exercise_date: The PSUs vest on April 15, 2022 based upon the Issuer's achievement of absolute total shareholder return goals. 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 columns 5 and 6.

F4 · derivative.expiration_date: The PSUs vest on April 15, 2022 based upon the Issuer's achievement of absolute total shareholder return goals. 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 columns 5 and 6.

SEC source: 0001104659-19-021990 · a4.xml · nonDerivative · entry 1

Kennedy Michael N. · CIK 0001477679 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 152,422

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 its tax withholding obligations. The number of shares withheld was determined based on the closing price per share on April 15, 2019.

F2 · balance_after: Includes 14,324 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-19-021994 · a4.xml · derivative · entry 3

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 512,224

Underlying: Common Stock · 512,224 shares

Expires not disclosed

F4 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of common stock of the Issuer.

F5 · derivative.exercise_date: The PSUs vest on April 15, 2022 based upon the Issuer's achievement of absolute total shareholder return goals. 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 columns 5 and 6.

F5 · derivative.expiration_date: The PSUs vest on April 15, 2022 based upon the Issuer's achievement of absolute total shareholder return goals. 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 columns 5 and 6.

SEC source: 0001104659-19-021994 · a4.xml · nonDerivative · entry 1

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,568,933

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 its tax withholding obligations. The number of shares withheld was determined based on the closing price per share on April 15, 2019.

F2 · balance_after: Includes 57,693 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-19-021991 · a4.xml · derivative · entry 2

Kilstrom Kevin J. · CIK 0001586805 · Senior VP - Production

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,773

Underlying: Common Stock · 104,773 shares

Expires not disclosed

F3 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of common stock of the Issuer.

F4 · derivative.exercise_date: The PSUs vest on April 15, 2022 based upon the Issuer's achievement of absolute total shareholder return goals. 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 columns 5 and 6.

F4 · derivative.expiration_date: The PSUs vest on April 15, 2022 based upon the Issuer's achievement of absolute total shareholder return goals. 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 columns 5 and 6.

SEC source: 0001104659-19-021991 · a4.xml · nonDerivative · entry 1

Kilstrom Kevin J. · CIK 0001586805 · Senior VP - Production

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,113

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 its tax withholding obligations. The number of shares withheld was determined based on the closing price per share on April 15, 2019.

F2 · balance_after: Includes 14,325 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-19-021989 · a4.xml · derivative · entry 3

Yoo K. Phil · CIK 0001587503 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,283

Underlying: Common Stock · 23,283 shares

Expires not disclosed

F4 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of common stock of the Issuer.

F5 · derivative.exercise_date: The PSUs vest on April 15, 2022 based upon the Issuer's achievement of absolute total shareholder return goals. 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 columns 5 and 6.

F5 · derivative.expiration_date: The PSUs vest on April 15, 2022 based upon the Issuer's achievement of absolute total shareholder return goals. 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 columns 5 and 6.

SEC source: 0001104659-19-021989 · a4.xml · nonDerivative · entry 2

Yoo K. Phil · CIK 0001587503 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,673

F3 · shares: Common stock subject to a restricted unit award that vests in four equal installments on the first four anniversaries of the grant date so long as the Reporting Person remains continuously employed by the Issuer through each such anniversary date.

F2 · balance_after: Includes 9,222 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-19-021989 · a4.xml · nonDerivative · entry 1

Yoo K. Phil · CIK 0001587503 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,390

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 its tax withholding obligations. The number of shares withheld was determined based on the closing price per share on April 15, 2019.

F2 · balance_after: Includes 9,222 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-19-021986 · a4.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 209,546

Underlying: Common Stock · 209,546 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.

F6 · derivative.exercise_date: The PSUs vest on April 15, 2022 based upon the Issuer's achievement of absolute total shareholder return goals. 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 columns 5 and 6.

F6 · derivative.expiration_date: The PSUs vest on April 15, 2022 based upon the Issuer's achievement of absolute total shareholder return goals. 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 columns 5 and 6.

SEC source: 0001104659-19-021986 · a4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,126,299

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 its tax withholding obligations. The number of shares withheld was determined based on the closing price per share on April 15, 2019.

F2 · balance_after: Includes 38,462 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

F3 · 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 held by Canton except to the extent of his pecuniary interest therein.

SEC source: 0001104659-19-021984 · a4.xml · derivative · entry 2

Schopp Alvyn A. · CIK 0001586799 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,773

Underlying: Common Stock · 104,773 shares

Expires not disclosed

F3 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of common stock of the Issuer.

F4 · derivative.exercise_date: The PSUs vest on April 15, 2022 based upon the Issuer's achievement of absolute total shareholder return goals. 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 columns 5 and 6.

F4 · derivative.expiration_date: The PSUs vest on April 15, 2022 based upon the Issuer's achievement of absolute total shareholder return goals. 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 columns 5 and 6.

SEC source: 0001104659-19-021984 · a4.xml · nonDerivative · entry 1

Schopp Alvyn A. · CIK 0001586799 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,098,733

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 its tax withholding obligations. The number of shares withheld was determined based on the closing price per share on April 15, 2019.

F2 · balance_after: Includes 14,325 shares of common stock subject to previously granted restricted stock unit awards that remain subject to vesting.

SEC source: 0001104659-19-021162 · a4.xml · nonDerivative · entry 1

CLARK ROBERT J · CIK 0000020769 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,455

SEC source: 0001104659-19-021164 · a4.xml · nonDerivative · entry 1

KAGAN PETER · CIK 0001239315 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 371,851

SEC source: 0001104659-19-021163 · a4.xml · nonDerivative · entry 1

Hardesty Benjamin A. · CIK 0001587768 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,101

SEC source: 0001104659-19-021161 · a4.xml · nonDerivative · entry 1

McConnell Joyce E. · CIK 0001732579 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,457

SEC source: 0001104659-19-021160 · a4.xml · nonDerivative · entry 1

KORUS PAUL · CIK 0001196776 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,116

SEC source: 0001104659-19-021158 · a4.xml · nonDerivative · entry 1

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 216,700

SEC source: 0001104659-19-021159 · a4.xml · nonDerivative · entry 1

Levy James R. · CIK 0001535563 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,214

SEC source: 0001104659-19-015755 · a4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,149,492

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.305 to $8.38, 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 purchased at each separate price within the range set forth above.

F2 · balance_after: Includes 91,191 shares of common stock that remain subject to vesting.

F3 · 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 held by Canton except to the extent of his pecuniary interest therein.

SEC source: 0001104659-19-015754 · a4.xml · nonDerivative · entry 1

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,603,720

F1 · balance_after: Includes 136,786 shares of common stock that remain subject to vesting.

SEC source: 0001104659-19-015395 · a4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,129,492

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.535 to $8.655, 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 purchased at each separate price within the range set forth above.

F2 · balance_after: Includes 91,191 shares of common stock that remain subject to vesting.

F3 · 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 held by Canton except to the extent of his pecuniary interest therein.

SEC source: 0001104659-19-015394 · a4.xml · nonDerivative · entry 1

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,591,520

F1 · balance_after: Includes 136,786 shares of common stock that remain subject to vesting.

SEC source: 0001104659-19-014648 · a4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,114,492

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.26 to $8.34, 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 purchased at each separate price within the range set forth above.

F2 · balance_after: Includes 91,191 shares of common stock that remain subject to vesting.

F3 · balance_after: Includes 3,848,997 shares of common stock held by Canton, including the 1,158 shares of common stock received in the Distribution. The Reporting Person is the managing member and 50% owner of Canton. The Reporting Person disclaims beneficial ownership of all shares held by Canton except to the extent of his pecuniary interest therein.

SEC source: 0001104659-19-014647 · a4.xml · nonDerivative · entry 2

RADY PAUL M · CIK 0001234637 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,579,520

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.335 to $8.34, 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 purchased at each separate price within the range set forth above.

SEC source: 0001104659-19-010922 · a4.xml · nonDerivative · entry 2

Warburg Pincus Private Equity X O&G, L.P. · CIK 0001528258 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 499,830

F1 · kind: Effective February 26, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) distributed an aggregate total of 17,514,873 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities (the "Distribution"), with no consideration being paid in connection therewith.

F1 · price: Effective February 26, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) distributed an aggregate total of 17,514,873 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities (the "Distribution"), with no consideration being paid in connection therewith.

F2 · balance_after: This Form 4 is filed on behalf of (i) Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners"); and (ii) Warburg Pincus Private Equity X O&G, L.P., a Delaware limited partnership ("WP X O&G").

F3 · balance_after: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X Partners and WP X O&G. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP LP"), is the general partner of WP X GP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP LP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F4 · balance_after: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP.

F5 · balance_after: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Reporting Persons and certain affiliates may be deemed to be beneficial owners of 499,830 shares of Common Stock of the Issuer held by WP X Partners and 15,594,358 shares of Common Stock of the Issuer held by WP X O&G. The Warburg Pincus Reporting Persons and such affiliates disclaim beneficial ownership of such shares of Common Stock of the Issuer except to the extent of their direct pecuniary interest therein. WP Partners, WP Partners GP, and WP are directors-by-deputization solely for purposes of Section 16 of the Exchange Act. Information with respect to each of the Warburg Pincus Reporting Persons is given solely by such Warburg Pincus Reporting Person, and no Warburg Pincus Reporting Person has responsibility for the accuracy or completeness of information supplied by another Warburg Pincus Reporting Person.

F6 · ownership.nature: Common Stock of the Issuer is held directly by WP X Partners.

SEC source: 0001104659-19-010922 · a4.xml · nonDerivative · entry 1

Warburg Pincus Private Equity X O&G, L.P. · CIK 0001528258 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,594,358

F1 · kind: Effective February 26, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) distributed an aggregate total of 17,514,873 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities (the "Distribution"), with no consideration being paid in connection therewith.

F1 · price: Effective February 26, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) distributed an aggregate total of 17,514,873 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities (the "Distribution"), with no consideration being paid in connection therewith.

F2 · balance_after: This Form 4 is filed on behalf of (i) Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners"); and (ii) Warburg Pincus Private Equity X O&G, L.P., a Delaware limited partnership ("WP X O&G").

F3 · balance_after: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X Partners and WP X O&G. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP LP"), is the general partner of WP X GP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP LP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F4 · balance_after: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP.

F5 · balance_after: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Reporting Persons and certain affiliates may be deemed to be beneficial owners of 499,830 shares of Common Stock of the Issuer held by WP X Partners and 15,594,358 shares of Common Stock of the Issuer held by WP X O&G. The Warburg Pincus Reporting Persons and such affiliates disclaim beneficial ownership of such shares of Common Stock of the Issuer except to the extent of their direct pecuniary interest therein. WP Partners, WP Partners GP, and WP are directors-by-deputization solely for purposes of Section 16 of the Exchange Act. Information with respect to each of the Warburg Pincus Reporting Persons is given solely by such Warburg Pincus Reporting Person, and no Warburg Pincus Reporting Person has responsibility for the accuracy or completeness of information supplied by another Warburg Pincus Reporting Person.

SEC source: 0001104659-19-010923 · a4.xml · nonDerivative · entry 1

WARBURG PINCUS LLC · CIK 0001162870 · Director

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 16,094,188

F1 · kind: Effective February 26, 2019, February 26, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) distributed an aggregate total of 17,514,873 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities (the "Distribution"), with no consideration being paid in connection therewith.

F1 · price: Effective February 26, 2019, February 26, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) distributed an aggregate total of 17,514,873 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities (the "Distribution"), with no consideration being paid in connection therewith.

F1 · balance_after: Effective February 26, 2019, February 26, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) distributed an aggregate total of 17,514,873 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities (the "Distribution"), with no consideration being paid in connection therewith.

F2 · balance_after: This Form 4 is filed on behalf of Warburg Pincus LLC, a New York limited liability company ("WP LLC") and Charles R. Kaye and Joseph P. Landy, each a Managing General Partner of Warburg Pincus & Co., a New York general partnership ("WP") and the Co-Chief Executive Officers and Managing Members of WP LLC (WP LLC, together with Messrs. Kaye and Landy, the "Warburg Pincus Reporting Persons").

F3 · balance_after: Warburg Pincus Private Equity X O&G, L.P., a Delaware limited partnership ("WP X O&G"), was an existing shareholder of the Company prior to the sale by WP X O&G as reported on a separate Form 4 (the "WP X O&G Sale") and currently holds 15,594,358 shares of common stock, par value $0.01 per share ("Common Stock") of Antero Resources Corporation (the "Issuer"). Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners"), was an existing shareholder of the Company prior to the sale by WP X Partners as reported on a Separate Form 4 (the "WP X Partners Sale" and, together with the WP X O&G Sale, the "Sale") and currently owns 499,830 shares of Common Stock. WP LLC manages each of WP X O&G and WP X Partners (collectively, the "WP Funds") and WP is the ultimate general partner of the WP Funds. Therefore, the consummation of the Sale altered the indirect beneficial ownership of the Reporting Persons in the shares of Common Stock.

F4 · balance_after: Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may be deemed to control the Warburg Pincus Reporting Persons. Messrs. Kaye and Landy disclaim beneficial ownership of all shares held by the Warburg Pincus Reporting Persons.

F5 · balance_after: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Reporting Persons and certain affiliates may be deemed to be beneficial owners of 16,094,188 shares of Common Stock of the Issuer held collectively by the WP Funds. The Warburg Pincus Reporting Persons and such affiliates disclaim beneficial ownership of such shares of Common Stock of the Issuer except to the extent of their direct pecuniary interest therein.

F6 · balance_after: Each of Charles R. Kaye and Joseph P. Landy serves as Managing General Partner of WP and Co-Chief Executive Officer and Managing Member of WP LLC. Therefore, the consummation of the sale by WP X Partners and WP X O&G reported hereunder altered the indirect beneficial ownership of the Reporting Persons in the shares of Common Stock. In addition to the 16,094,188 shares of Common Stock in which Charles R. Kaye may be deemed to have indirect beneficial ownership by virtue of his status as Managing General Partner of WP and Co-Chief Executive Officer and Managing Member of WP LLC, Mr. Kaye currently owns, directly and indirectly, 121,270 shares of Common Stock. In addition to the 16,094,188 shares of Common Stock in which Joseph P. Landy may be deemed to have indirect beneficial ownership by virtue of his status as Managing General Partner of WP and Co-Chief Executive Officer and Managing Member of WP LLC, Mr. Landy currently owns 565,799 shares of Common Stock.

F1 · ownership.nature: Effective February 26, 2019, February 26, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) distributed an aggregate total of 17,514,873 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities (the "Distribution"), with no consideration being paid in connection therewith.

F2 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus LLC, a New York limited liability company ("WP LLC") and Charles R. Kaye and Joseph P. Landy, each a Managing General Partner of Warburg Pincus & Co., a New York general partnership ("WP") and the Co-Chief Executive Officers and Managing Members of WP LLC (WP LLC, together with Messrs. Kaye and Landy, the "Warburg Pincus Reporting Persons").

F3 · ownership.nature: Warburg Pincus Private Equity X O&G, L.P., a Delaware limited partnership ("WP X O&G"), was an existing shareholder of the Company prior to the sale by WP X O&G as reported on a separate Form 4 (the "WP X O&G Sale") and currently holds 15,594,358 shares of common stock, par value $0.01 per share ("Common Stock") of Antero Resources Corporation (the "Issuer"). Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners"), was an existing shareholder of the Company prior to the sale by WP X Partners as reported on a Separate Form 4 (the "WP X Partners Sale" and, together with the WP X O&G Sale, the "Sale") and currently owns 499,830 shares of Common Stock. WP LLC manages each of WP X O&G and WP X Partners (collectively, the "WP Funds") and WP is the ultimate general partner of the WP Funds. Therefore, the consummation of the Sale altered the indirect beneficial ownership of the Reporting Persons in the shares of Common Stock.

F4 · ownership.nature: Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may be deemed to control the Warburg Pincus Reporting Persons. Messrs. Kaye and Landy disclaim beneficial ownership of all shares held by the Warburg Pincus Reporting Persons.

F5 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Reporting Persons and certain affiliates may be deemed to be beneficial owners of 16,094,188 shares of Common Stock of the Issuer held collectively by the WP Funds. The Warburg Pincus Reporting Persons and such affiliates disclaim beneficial ownership of such shares of Common Stock of the Issuer except to the extent of their direct pecuniary interest therein.

F6 · ownership.nature: Each of Charles R. Kaye and Joseph P. Landy serves as Managing General Partner of WP and Co-Chief Executive Officer and Managing Member of WP LLC. Therefore, the consummation of the sale by WP X Partners and WP X O&G reported hereunder altered the indirect beneficial ownership of the Reporting Persons in the shares of Common Stock. In addition to the 16,094,188 shares of Common Stock in which Charles R. Kaye may be deemed to have indirect beneficial ownership by virtue of his status as Managing General Partner of WP and Co-Chief Executive Officer and Managing Member of WP LLC, Mr. Kaye currently owns, directly and indirectly, 121,270 shares of Common Stock. In addition to the 16,094,188 shares of Common Stock in which Joseph P. Landy may be deemed to have indirect beneficial ownership by virtue of his status as Managing General Partner of WP and Co-Chief Executive Officer and Managing Member of WP LLC, Mr. Landy currently owns 565,799 shares of Common Stock.

SEC source: 0000899243-19-004989 · doc4.xml · nonDerivative · entry 2

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 841,033

F1 · 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").

F2 · 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.

F3 · 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: 0000899243-19-004989 · doc4.xml · nonDerivative · entry 1

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 210,859

F1 · 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: 0001104659-19-010926 · a4.xml · nonDerivative · entry 2

KAGAN PETER · CIK 0001239315 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 16,094,188

F1 · kind: Effective February 26, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) distributed an aggregate of 17,514,873 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities (the "Distribution"), with no consideration being paid in connection therewith.

F1 · price: Effective February 26, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) distributed an aggregate of 17,514,873 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities (the "Distribution"), with no consideration being paid in connection therewith.

F1 · balance_after: Effective February 26, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) distributed an aggregate of 17,514,873 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities (the "Distribution"), with no consideration being paid in connection therewith.

F2 · balance_after: The Reporting Person is a Partner of Warburg Pincus & Co., a New York general partnership ("WP"), and a Member and Managing Director of Warburg Pincus LLC, a New York limited liability company ("WP LLC"). Following the Distribution, the Warburg Pincus Entities (as defined below), collectively own 16,094,188 shares of Common Stock of the Issuer.

F3 · balance_after: All shares of Common Stock of the Issuer indicated as indirectly owned by the Reporting Person are included because of his affiliation with the Warburg Pincus Entities, due to which Mr. Kagan may be deemed to have an indirect pecuniary interest (within the meaning of Rule 16a-1 under the Securities and Exchange Act of 1934, as amended) in an indeterminate portion of the shares of Common Stock of the Issuer owned by the Warburg Pincus Entities. Mr. Kagan disclaims beneficial ownership of all shares of Common Stock of the Issuer attributable to the Warburg Pincus Entities except to the extent of his direct pecuniary interest therein.

F2 · ownership.nature: The Reporting Person is a Partner of Warburg Pincus & Co., a New York general partnership ("WP"), and a Member and Managing Director of Warburg Pincus LLC, a New York limited liability company ("WP LLC"). Following the Distribution, the Warburg Pincus Entities (as defined below), collectively own 16,094,188 shares of Common Stock of the Issuer.

F3 · ownership.nature: All shares of Common Stock of the Issuer indicated as indirectly owned by the Reporting Person are included because of his affiliation with the Warburg Pincus Entities, due to which Mr. Kagan may be deemed to have an indirect pecuniary interest (within the meaning of Rule 16a-1 under the Securities and Exchange Act of 1934, as amended) in an indeterminate portion of the shares of Common Stock of the Issuer owned by the Warburg Pincus Entities. Mr. Kagan disclaims beneficial ownership of all shares of Common Stock of the Issuer attributable to the Warburg Pincus Entities except to the extent of his direct pecuniary interest therein.

F4 · ownership.nature: The Warburg Pincus funds are Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners"), and Warburg Pincus Private Equity X O&G, L.P., a Delaware limited partnership ("WP X O&G"). Warburg Pincus X, L.P., a Delaware limited partnership ("WP X GP"), is the general partner of each of WP X Partners and WP X O&G.

F5 · ownership.nature: Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP LP"), is the general partner of WP X GP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP LP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners. WP is the managing member of WP Partners GP. WP LLC is the manager of each of WP X Partners and WP X O&G.

F6 · ownership.nature: Each of WP X Partners, WP X O&G, WP X GP, WP X GP LP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the "Warburg Pincus Entities."

SEC source: 0001104659-19-010926 · a4.xml · nonDerivative · entry 1

KAGAN PETER · CIK 0001239315 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 363,674

F1 · kind: Effective February 26, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) distributed an aggregate of 17,514,873 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities (the "Distribution"), with no consideration being paid in connection therewith.

F1 · price: Effective February 26, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) distributed an aggregate of 17,514,873 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities (the "Distribution"), with no consideration being paid in connection therewith.

F1 · balance_after: Effective February 26, 2019, WP X Partners (as defined below) and WP X O&G (as defined below) distributed an aggregate of 17,514,873 shares of common stock, par value $0.01 per share ("Common Stock"), of Antero Resources Corporation (the "Issuer") to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities (the "Distribution"), with no consideration being paid in connection therewith.

F7 · balance_after: In connection with the Distribution, an aggregate total of 7,236 shares of Common Stock of the Issuer were distributed to Mr. Kagan in his personal capacity.