X0306 4 2021-02-08 0 0001691303 WARRIOR MET COAL, INC. HCC 0001768988 Lussier Charles 16243 HIGHWAY 216 BROOKWOOD AL 35444 0 1 0 0 Chief Commercial Officer Common Stock 2021-02-08 4 M 0 923 0.00 A 6044 D Common Stock 2021-02-08 4 F 0 394 23.01 D 5650 D Restricted Stock Units Common Stock 613 613 D Restricted Stock Units 2021-02-08 4 M 0 923 0.00 D Common Stock 923 924 D Restricted Stock Units Common Stock 5938 5938 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. Represents the withholding of shares for tax purposes. 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 March 5, 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 February 8, 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 February 13, 2020, the date of grant. /s/ Kelli K. Gant, by power of attorney 2021-02-12