144 0001713960 XXXXXXXX LIVE 0001710366 Core Natural Resources, Inc. 001-38147 275 TECHNOLOGY DRIVE SUITE #101 CANONSBURG PA 15317 724-416-8300 Rothka John Officer Common Stock Stifel Nicolaus & Company Inc

501 N Broadway St. Louis MO 63102

1000 97660.00 50979544 03/17/2026 NYSE Common Stock 02/23/2026 Restricted Stock Units Issuer N 1000 02/23/2026 Equity Compensation N John Rothka

2850 Frontier Dr Warsaw IN 46582

Common Stock 03/10/2026 3800 348150.00 03/17/2026 /s/ Luca Lotito, as a duly authorized representative of STIFEL, as attorney-in-fact for John Rothka