X0306 4 2021-02-16 0 0001691303 WARRIOR MET COAL, INC. HCC 0001642193 Chopin Brian M 16243 HIGHWAY 216 BROOKWOOD AL 35444 0 1 0 0 Chief Accounting Officer Common Stock 2021-02-16 4 A 0 4575 0.00 A 13965 D Common Stock 2021-02-16 4 F 0 1891 22.20 D 12074 D Restricted Stock Units Common Stock 525 525 D Restricted Stock Units Common Stock 623 623 D Restricted Stock Units Common Stock 1676 1676 D Restricted Stock Units 2021-02-16 4 A 0 2436 0.00 D Common Stock 2436 2436 D Represents the issuance of (i) 1,210 shares of common stock of the issuer earned pursuant to the performance-based restricted stock units ("RSUs") granted to the reporting person on March 5, 2018, (ii) 1,435 shares of common stock of the issuer earned pursuant to the performance-based RSUs granted to the reporting person on February 8, 2019 and (iii) 1,930 shares of common stock of the issuer earned pursuant to the performance-based RSUs granted to the reporting person on February 13, 2020, each based on the issuer's performance during the performance period from January 1, 2020 through December 31, 2020. This transaction is exempt from Section 16(b) of the Securities Exchange Act of 1934 pursuant to Rule 16b-3(d) thereunder. Includes 2,906 shares of restricted stock granted to the reporting person on April 20, 2016 under the Warrior Met Coal, Inc. 2016 Equity Incentive Plan, which vest on April 20, 2021. Represents the withholding of shares for tax purposes. The RSUs 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 RSUs 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 RSUs 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. The RSUs 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 16, 2021, the date of grant. /s/ Kelli K. Gant, by power of attorney 2021-02-18