X0306 4 2015-12-02 0 0001433270 ANTERO RESOURCES Corp AR 0001586800 McNeilly Ward D. 1615 WYNKOOP STREET DENVER CO 80202 0 1 0 0 VP Reserves, Planning & Midstr Common stock, par value $0.01 per share 2015-12-02 4 S 0 9312 20.5603 D 261680 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.4800 to $20.7200, 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 sold at each separate price within the range set forth above. Includes 101,794 shares of common stock subject to previously granted restricted stock unit awards that vest in four equal installments on the first four anniversaries of their respective grant dates so long as the Reporting Person remains continuously employed by the Issuer through each such anniversary date. /s/ Alvyn A. Schopp, as attorney-in-fact for Ward D. McNeilly 2015-12-04