HCC · Warrior Met Coal, Inc.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.

The restricted stock units were granted to the reporting person under the Warrior Met Coal, Inc. 2017 Equity Incentive Plan, and vest in full on the first anniversary of April 23, 2025, the date of grant, and will be settled in shares of common stock upon the reporting person's termination of service as a director in accordance with the reporting person's irrevocable deferral election.

The restricted stock units were granted to the reporting person under the Warrior Met Coal, Inc. 2017 Equity Incentive Plan, and vest in full on the first anniversary of April 23, 2025, the date of grant, and will be settled in shares of common stock upon the reporting person's termination of service as a director in accordance with the reporting person's irrevocable deferral election.

Represents the vesting of restricted stock units, which settle in shares of common stock on a one-for-one basis upon the reporting person's termination of service as a director in accordance with the reporting person's irrevocable deferral election.

Represents the vesting of restricted stock units, which settle in shares of common stock on a one-for-one basis upon the reporting person's termination of service as a director in accordance with the reporting person's irrevocable deferral election.

Represents the vesting and settlement of restricted stock units, which convert into common stock on a one-for-one basis.

Represents the vesting of restricted stock units, which settle in shares of common stock on a one-for-one basis upon the reporting person's termination of service as a director in accordance with the reporting person's irrevocable deferral election.

The restricted stock units were granted to the reporting person under the Warrior Met Coal, Inc. 2017 Equity Incentive Plan, and vest in full on the first anniversary of April 23, 2025, the date of grant.

Represents the vesting of restricted stock units, which settle in shares of common stock on a one-for-one basis upon the reporting person's termination of service as a director in accordance with the reporting person's irrevocable deferral election.

The restricted stock units were granted to the reporting person under the Warrior Met Coal, Inc. 2017 Equity Incentive Plan, and vest in full on the first anniversary of April 23, 2025, the date of grant, and will be settled in shares of common stock upon the reporting person's termination of service as a director in accordance with the reporting person's irrevocable deferral election.

The restricted stock units were granted to the reporting person under the Warrior Met Coal, Inc. 2017 Equity Incentive Plan, and vest in full on the first anniversary of April 23, 2025, the date of grant, and will be settled in shares of common stock upon the reporting person's termination of service as a director in accordance with the reporting person's irrevocable deferral election.

The restricted stock units were granted to the reporting person under the Warrior Met Coal, Inc. 2026 Equity Incentive Plan, and vest in full on the first anniversary of April 20, 2026, the date of grant, and will be settled in shares of common stock upon the reporting person's termination of service as a director in accordance with the reporting person's irrevocable deferral election.

The restricted stock units were granted to the reporting person under the Warrior Met Coal, Inc. 2026 Equity Incentive Plan, and vest in full on the first anniversary of April 20, 2026, the date of grant, and will be settled in shares of common stock upon the reporting person's termination of service as a director in accordance with the reporting person's irrevocable deferral election.

The restricted stock units were granted to the reporting person under the Warrior Met Coal, Inc. 2026 Equity Incentive Plan, and vest in full on the first anniversary of April 20, 2026, the date of grant, and will be settled in shares of common stock upon the reporting person's termination of service as a director in accordance with the reporting person's irrevocable deferral election.

The restricted stock units were granted to the reporting person under the Warrior Met Coal, Inc. 2026 Equity Incentive Plan, and vest in full on the first anniversary of April 20, 2026, the date of grant, and will be settled in shares of common stock upon the reporting person's termination of service as a director in accordance with the reporting person's irrevocable deferral election.

The restricted stock units were granted to the reporting person under the Warrior Met Coal, Inc. 2026 Equity Incentive Plan, and vest in full on the first anniversary of April 20, 2026, the date of grant.

Represents the vesting and settlement of time-based RSUs, which convert into common stock on a one-for-one basis.

Represents the withholding of shares for tax purposes.

Represents the vesting and settlement of time-based RSUs, which convert into common stock on a one-for-one basis.

Represents the vesting and settlement of time-based restricted stock units ("RSUs"), which convert into common stock on a one-for-one basis.

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 10, 2025, the date of grant

Represents the vesting and settlement of time-based RSUs, which convert into common stock on a one-for-one basis.

Represents the vesting and settlement of time-based restricted stock units RSUs, which convert into common stock on a one-for-one basis.

Represents the withholding of shares for tax purposes.

Represents the vesting and settlement of time-based RSUs, which convert into common stock on a one-for-one basis.

Represents the withholding of shares for tax purposes.

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 February 10, 2025, 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 10, 2025, 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 10, 2025, 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 10, 2025, the date of grant

Represents the withholding of shares for tax purposes.

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 February 10, 2025, the date of grant.

Represents the issuance of (i) 8,108 shares of common stock of the issuer earned pursuant to the performance-based restricted stock units ("RSUs") granted to the reporting person on February 8, 2023, (ii) 5,606 shares of common stock of the issuer earned pursuant to the performance-based RSUs granted to the reporting person on February 8, 2024, and (iii) 6,900 shares of common stock of the issuer earned pursuant to the performance-based RSUs granted to the reporting person on February 10, 2025, each based on the issuer's performance during the performance period from January 1, 2025 through December 31, 2025. This transaction is exempt from Section 16(b) of the Securities Exchange Act of 1934 pursuant to Rule 16b-3(d) thereunder.

Represents the issuance of (i) 15,736 shares of common stock of the issuer earned pursuant to the performance-based restricted stock units ("RSUs") granted to the reporting person on February 8, 2023, (ii) 10,728 shares of common stock of the issuer earned pursuant to the performance-based RSUs granted to the reporting person on February 8, 2024, and (iii) 12,944 shares of common stock of the issuer earned pursuant to the performance-based RSUs granted to the reporting person on February 10, 2025, each based on the issuer's performance during the performance period from January 1, 2025 through December 31, 2025. This transaction is exempt from Section 16(b) of the Securities Exchange Act of 1934 pursuant to Rule 16b-3(d) thereunder.

Represents the withholding of shares for tax purposes.

Represents the issuance of (i) 10,888 shares of common stock of the issuer earned pursuant to the performance-based restricted stock units ("RSUs") granted to the reporting person on February 8, 2023, (ii) 7,086 shares of common stock of the issuer earned pursuant to the performance-based RSUs granted to the reporting person on February 8, 2024, and (iii) 8,632 shares of common stock of the issuer earned pursuant to the performance-based RSUs granted to the reporting person on February 10, 2025, each based on the issuer's performance during the performance period from January 1, 2025 through December 31, 2025. This transaction is exempt from Section 16(b) of the Securities Exchange Act of 1934 pursuant to Rule 16b-3(d) thereunder.

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 9, 2026, the date of grant.

Represents the withholding of shares for tax purposes.

Represents the issuance of (i) 13,566 shares of common stock of the issuer earned pursuant to the performance-based restricted stock units ("RSUs") granted to the reporting person on February 8, 2023, (ii) 8,828 shares of common stock of the issuer earned pursuant to the performance-based RSUs granted to the reporting person on February 8, 2024, and (iii) 10,682 shares of common stock of the issuer earned pursuant to the performance-based RSUs granted to the reporting person on February 10, 2025, each based on the issuer's performance during the performance period from January 1, 2025 through December 31, 2025. This transaction is exempt from Section 16(b) of the Securities Exchange Act of 1934 pursuant to Rule 16b-3(d) thereunder.

Represents the issuance of (i) 2,436 shares of common stock of the issuer earned pursuant to the performance-based restricted stock units ("RSUs") granted to the reporting person on February 8, 2023, (ii) 1,652 shares of common stock of the issuer earned pursuant to the performance-based RSUs granted to the reporting person on February 8, 2024, and (iii) 1,964 shares of common stock of the issuer earned pursuant to the performance-based RSUs granted to the reporting person on February 10, 2025, each based on the issuer's performance during the performance period from January 1, 2025 through December 31, 2025. This transaction is exempt from Section 16(b) of the Securities Exchange Act of 1934 pursuant to Rule 16b-3(d) thereunder.

Represents the withholding of shares for tax purposes.

Represents the withholding of shares for tax purposes.

Represents the issuance of (i) 47,648 shares of common stock of the issuer earned pursuant to the performance-based restricted stock units ("RSUs") granted to the reporting person on February 8, 2023, (ii) 31,794 shares of common stock of the issuer earned pursuant to the performance-based RSUs granted to the reporting person on February 8, 2024, and (iii) 38,208 shares of common stock of the issuer earned pursuant to the performance-based RSUs granted to the reporting person on February 10, 2025, each based on the issuer's performance during the performance period from January 1, 2025 through December 31, 2025. This transaction is exempt from Section 16(b) of the Securities Exchange Act of 1934 pursuant to Rule 16b-3(d) thereunder.

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 February 9, 2026, 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 9, 2026, the date of grant.

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 February 9, 2026, the date of grant.