CORE NATURAL RESOURCES INC

Ticker: CNR CUSIP: 218937100 Class: Common Stock

Fortitude Family Office, LLC's Holding History (CIK: 0001950506)

Note: Option positions (PUT/CALL) are excluded.

Q2 2025

Shares 13 Value ($000) $1 Avg Close $70.86 Range $57.95 - $78.17

Q1 2025

Shares 274 Value ($000) $21 Avg Close $84.05 Range $66.27 - $109.02

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	13	$1	$70.86	$57.95 - $78.17
Q1 2025	274	$21	$84.05	$66.27 - $109.02