Core Natural Resources, Inc. — Director's Dealing 2025

Apr 2, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Core Natural Resources, Inc. (CNR)
CIK: 0001710366
Period of Report: 2025-03-31

Reporting Person: KOEPPEL HOLLY K (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-31	Common stock, par value $0.01 per share	S	4771	$74.97	Disposed	17392	Direct
2025-03-31	Common stock, par value $0.01 per share	S	4044	$75.68	Disposed	13348	Direct

Footnotes

F1: This transaction was executed in multiple trades at prices ranging from $74.42 to $75.40 per share. The price reported above reflects the weighted average purchase price on the date indicated. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares.

F2: Represents shares of common stock sold to cover the Reporting Person's tax liability from the vesting of restricted stock awards previously granted to the Reporting Person that fully vested in connection with the terms of the Agreement and Plan of Merger, dated as of August 20, 2024, by and among Core Natural Resources, Inc. (formerly known as CONSOL Energy Inc.), Mountain Range Merger Sub Inc. and Arch Resources, Inc.

F3: This transaction was executed in multiple trades at prices ranging from $75.45 to $75.90 per share. The price reported above reflects the weighted average purchase price on the date indicated. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares.

F4: Of the 13,348 shares reported, 3,348 are unvested restricted stock units.