X0306 4 2021-02-13 0 0001691303 WARRIOR MET COAL, INC. HCC 0001419071 Boyles Dale W 16243 HIGHWAY 216 BROOKWOOD AL 35444 0 1 0 0 Chief Financial Officer Common Stock 2021-02-13 4 M 0 3435 0.00 A 53150 D Common Stock 2021-02-13 4 F 0 1387 21.91 D 51763 D Restricted Stock Units Common Stock 1089 1089 D Restricted Stock Units Common Stock 2554 2554 D Restricted Stock Units 2021-02-13 4 M 0 3435 0.00 D Common Stock 3435 6870 D Represents the vesting and settlement of restricted stock units, which convert into common stock on a one-for-one basis. This amount includes 3,141 shares of restricted stock granted to the reporting person on January 1, 2017, under the Warrior Met Coal, Inc. 2016 Equity Incentive Plan, which vest on January 1, 2022. 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 2021-02-16