X0306 4 2017-11-14 0 0001691303 WARRIOR MET COAL, INC. HCC 0001702386 Williams Stephen D. 16243 HIGHWAY 216 BROOKWOOD AL 35444 1 0 0 0 Common Stock 2017-11-14 4 S 0 18742 28.00 D 20000 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.83 to $28.10, inclusive. The reporting person undertakes to provide to Warrior Met Coal, Inc., any security holder of Warrior Met Coal, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1). Exhibit 24 - Power of Attorney /s/ Kelli K. Gant, as attorney-in-fact for Stephen D. Williams 2017-11-16