CORE NATURAL RESOURCES INC

Ticker: CNR CUSIP: 218937100 Class: Common Stock

Summit Street Capital Management, LLC's Holding History (CIK: 0001595533)

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

Q4 2025

Shares 305,260 Value ($000) $27,019 Avg Close $85.17 Range $74.65 - $102.80

Q3 2025

Shares 342,155 Value ($000) $28,563 Avg Close $74.75 Range $64.40 - $85.49

Q2 2025

Shares 260,985 Value ($000) $18,201 Avg Close $70.86 Range $57.95 - $78.17

Q1 2025

Shares 319,826 Value ($000) $24,659 Avg Close $84.05 Range $66.27 - $109.02

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	305,260	$27,019	$85.17	$74.65 - $102.80
Q3 2025	342,155	$28,563	$74.75	$64.40 - $85.49
Q2 2025	260,985	$18,201	$70.86	$57.95 - $78.17
Q1 2025	319,826	$24,659	$84.05	$66.27 - $109.02