X0306 4 2018-04-01 0 0001433270 ANTERO RESOURCES Corp AR 0001586805 Kilstrom Kevin J. 1615 WYNKOOP STREET DENVER CO 80202 0 1 0 0 See Remarks Common stock, par value $0.01 per share 2018-04-01 4 F 0 13516 19.85 D 127522 D 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 on the closing price per share on March 31, 2018. Includes 82,940 shares of common stock that remain subject to vesting. Senior Vice President-Production /s/ Alvyn A. Schopp, as attorney-in-fact for Kevin J. Kilstrom 2018-04-02