X0306 4 2015-04-15 0 0001433270 ANTERO RESOURCES Corp AR 0001234637 RADY PAUL M 1615 WYNKOOP STREET DENVER CO 80202 1 1 1 0 See Remarks Common stock, par value $0.01 per share 2015-04-15 4 A 0 145103 0.0000 A 452417 D Common stock, par value $0.01 per share 207165909 I See Footnote Options to purchase Common Stock 50.00 2015-04-15 4 A 0 100000 0.0000 A Common Stock, par value $0.01 per share 100000 100000 D Common stock subject to a restricted stock 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. Includes 307,314 shares of common stock subject to a previously granted restricted stock unit award that vests in two equal installments on October 22, 2016 and October 22, 2017 so long as the Reporting Person remains continuously employed by the Issuer through each such date. The Reporting Person holds a direct membership interest in Antero Resources Investment LLC, a Delaware limited liability company ("Antero Investment"), which directly owns 207,165,909 shares of common stock of the Issuer, and a direct membership interest in Antero Resources Employee Holdings LLC, which holds a direct membership interest in Antero Investment. The Reporting Person disclaims beneficial ownership of all shares reported except to the extent of his pecuniary interest therein. Options to purchase Common Stock vest and become exercisable 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. Each option to purchase Common Stock expires ten years from the date of grant, or April 15, 2025. Chairman of the Board of Directors and Chief Executive Officer /s/ Alvyn A. Schopp, as attorney-in-fact for Paul M. Rady 2015-04-16