WARRIOR MET COAL, INC. Debt Disclosure

Note 13—Debt

Amended ABL Facility

On August 28, 2025, the Company entered into that certain First Amendment to Second Amended and Restated Asset-Based Revolving Credit Agreement (the “Amendment”), by and among the Company and certain of its subsidiaries, as borrowers, the guarantors party thereto, the lenders party thereto and Citibank, N.A. as administrative agent, which amends the Company's existing Second Amended and Restated Asset-Based Revolving Credit Agreement (the “credit facility”, and the credit facility as amended by the Amendment, the “Amended ABL Facility”). The Amendment, among other things, (i) increases the aggregate commitments available to be borrowed under the Amended ABL Facility by $27.0 million to $143.0 million; (ii) extends the maturity date of the credit facility to the earlier of (x) August 28, 2030 and (y) 91 days prior to the maturity date of the Company's 7.875% Senior Notes due 2028 (if such notes are still outstanding as of such date); and (iii) amends certain borrowing base calculations and other terms and provisions of the credit facility.

As of December 31, 2025, no loans were outstanding under the Amended ABL Facility and there were $2.5 million of letters of credit issued and outstanding under the Amended ABL Facility. As of December 31, 2025, the Company had $140.5 million of availability under the Amended ABL Facility (calculated net of $2.5 million of letters of credit outstanding at such time). The Company was in compliance with all applicable covenants under the Amended ABL Facility as of December 31, 2025.

Senior Secured Notes

On December 6, 2021, the Company issued $350.0 million in aggregate principal amount of 7.875% senior secured notes due 2028 (the “Notes”) at an initial price of 99.3% of their face amount. The Notes were issued to qualified institutional

buyers pursuant to Rule 144A under the Securities Act of 1933, as amended (the “Securities Act”), and to certain non-U.S. persons in transactions outside the United States in accordance with Regulation S under the Securities Act. The Company used the net proceeds of the offering of the Notes, together with cash on hand, to fund the redemption of all of the Company’s outstanding 8.00% senior secured notes due 2024 (the "Existing Notes”), including payment of the redemption premium in connection with such redemption.

The Notes will accrue interest at a rate of 7.875% per year from December 6, 2021. Interest on the Notes will be payable on June 1 and December 1 of each year, commencing on June 1, 2022. The Notes will mature on December 1, 2028. The Notes are fully and unconditionally guaranteed on a joint and several basis by each of the Company's direct and indirect wholly-owned domestic restricted subsidiaries that are guarantors under the Amended ABL Facility (subject to customary release provisions).