X0306 4 2018-06-01 0001691303 WARRIOR MET COAL, INC. HCC 0001702386 Williams Stephen D. 16243 HIGHWAY 216 BROOKWOOD AL 35444 1 Common Stock 2018-06-01 4 M 0 2017 0 A 41387 D Restricted Stock Units 2018-06-01 4 M 0 2017 0 D Common Stock 2017 4036 D Restricted Stock Units Common Stock 13157 13157 D Restricted Stock Units Common Stock 6302 6302 D Phantom Shares Common Stock 43580 43580 D Represents the settlement of restricted stock units, which settle into shares of common stock of Warrior Met Coal, Inc. on a one-for-one basis. Includes (i) 8,716 shares of restricted stock granted to the reporting person on April 1, 2016 under the Warrior Met Coal, Inc. 2016 Equity Incentive Plan (the "2016 Plan"), which vest in equal installments on April 1, 2019, April 1, 2020 and April 1, 2021, and (ii) 3,876 shares of restricted stock granted to the reporting person on February 24, 2017 under the 2016 Plan, which vest in equal installments on February 24, 2019, February 24, 2020, February 24, 2021 and February 24, 2022. The restricted stock units were granted under the Warrior Met Coal, Inc. 2017 Equity Incentive Plan and will be 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 restricted stock units were granted under the Warrior Met Coal, Inc. 2017 Equity Incentive Plan and 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 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 phantom shares were granted under the Warrior Met Coal, LLC 2016 Equity Incentive Plan (the "2016 Plan") and 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 2018-06-05