X0306 4 2020-06-01 0 0001691303 WARRIOR MET COAL, INC. HCC 0001702386 Williams Stephen D. 16243 HIGHWAY 216 BROOKWOOD AL 35444 1 0 0 0 Common Stock 2020-06-01 4 M 0 2019 0.00 A 17260 D Phantom Shares Common Stock 43580 43580 D Restricted Stock Units Common Stock 13157 13157 D Restricted Stock Units 2020-06-01 4 M 0 2019 0.00 D Common Stock 2019 0 D Restricted Stock Units Common Stock 2101 2101 D Restricted Stock Units Common Stock 3272 3272 D Restricted Stock Units Common Stock 14925 14925 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) 2,906 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 on April 1, 2021, and (ii) 1,940 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, 2021 and February 24, 2022. The phantom shares were granted to the reporting person 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. The restricted stock units were granted to the reporting person 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 to the reporting person 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 reporting person's separation of service with Warrior Met Coal, Inc. or its affiliates; or (iv) the death of the reporting person. 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 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 22, 2019, 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 24, 2020, the date of grant. /s/ Kelli K. Gant, by power of attorney 2020-06-02