X0306 4 2017-11-02 0 0001691303 WARRIOR MET COAL, INC. HCC 0001702386 Williams Stephen D. 16243 HIGHWAY 216 BROOKWOOD AL 35444 1 0 0 0 Common Stock 2017-11-02 4 A 0 38742 0.00 A 38742 D Represents the vesting of restricted stock upon the satisfaction of conditions outside of Mr. Williams's control. Mr. Williams was granted 14,527 shares and 4,844 shares of restricted stock on April 1, 2016 and February 24, 2017, respectively (the "Tranche B Shares"), under the Warrior Met Coal, Inc. 2016 Equity Incentive Plan (the "2016 Plan"). Mr. Williams was also granted 14,527 shares and 4,844 shares of restricted stock on April 1, 2016 and February 24, 2017, respectively (the "Tranche C Shares"), under the 2016 Plan. Each of the Tranche B Shares and the Tranche C Shares vested and settled into shares of common stock on November 2, 2017. /s/ Stephen D. Williams 2017-11-06