X0306 4 2018-04-23 0001691303 WARRIOR MET COAL, INC. HCC 0001702386 Williams Stephen D. 16243 HIGHWAY 216 BROOKWOOD AL 35444 1 Restricted Stock Units 2018-04-23 4 A 0 6302 0 A Common Stock 6302 6302 D Restricted Stock Units Common Stock 13157 13157 D Restricted Stock Units Common Stock 6053 6053 D Phantom Shares Common Stock 43580 43580 D The restricted stock units were granted to the reporting person under the Warrior Met Coal, Inc. 2017 Equity Incentive Plan, and vest in equal installments on each of the first three anniversaries of April 23, 2018, the date of grant. The restricted stock units were granted under the Warrior Met Coal, Inc. 2017 Equity Incentive Plan and were fully vested as of April 19, 2017, the date of grant. The units will settle in shares of common stock of Warrior Met Coal, Inc. on a one-for-one basis in a single installment on the earlier to occur of (i) a change of control or (ii) the fifth anniversary of the date of grant. The restricted stock units were granted under the Warrior Met Coal, Inc. 2017 Equity Incentive Plan and were fully vested as of June 1, 2017, the date of grant. The units will settle in shares of common stock of Warrior Met Coal, Inc. on a one-for-one basis on the earliest of (i) one-third on each of the first three anniversaries of the date of grant; (ii) a change of control; (iii) the undersigned's separation from service with Warrior Met Coal, Inc. or its affiliates; or (iv) death of the undersigned. The phantom shares were granted under the Warrior Met Coal, LLC 2016 Equity Incentive Plan and were fully vested as of April 1, 2016, the date of grant. The shares will settle in shares of common stock of Warrior Met Coal, Inc. on a one-for-one basis in a single installment on the earlier to occur of (i) a change of control or (ii) the fifth anniversary of the date of grant. /s/ Kelli K. Gant, by power of attorney 2018-04-25