X0306 4 2019-03-15 0 0001433270 ANTERO RESOURCES Corp AR 0001234637 RADY PAUL M 1615 WYNKOOP STREET DENVER CO 80202 1 1 0 0 See Remarks Common stock, par value $0.01 per share 2019-03-15 4 P 0 12200 8.30 A 9603720 D Common stock, par value $0.01 per share 5284264 I See footnote Includes 136,786 shares of common stock that remain subject to vesting. Includes 2,822,522 shares of common stock held by Salisbury Investment Holdings LLC ("Salisbury") and 2,461,712 shares of common stock held by Mockingbird Investments LLC ("Mockingbird"). The Reporting Person owns a 95% limited liability company interest in Salisbury and his spouse owns the remaining 5%. The Reporting Person owns a 13.1874% limited liability company interest in Mockingbird and two trusts under his control own the remaining 86.8126%. The Reporting Person disclaims beneficial ownership of all shares held by Salisbury and Mockingbird except to the extent of his pecuniary interest therein. Chairman of the Board & Chief Executive Officer /s/ Alvyn A. Schopp as attorney-in-fact for Paul M. Rady 2019-03-19