KNIFE RIVER CORP

Ticker: KNF CUSIP: 498894104 Class: COMMON STOCK

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q3 2025

Shares 51,539 Value ($000) $3,962 Avg Close $81.68 Range $70.80 - $94.73

Q1 2025

Shares 90,050 Value ($000) $8,123 Avg Close $97.42 Range $84.15 - $108.83

Q4 2024

Shares 82,190 Value ($000) $8,354 Avg Close $97.72 Range $84.70 - $108.39

Q3 2024

Shares 85,690 Value ($000) $7,660 Avg Close $78.08 Range $67.22 - $93.77

Q2 2024

Shares 88,770 Value ($000) $6,226 Avg Close $74.70 Range $66.13 - $83.78

Q1 2024

Shares 97,250 Value ($000) $7,885 Avg Close $70.17 Range $61.50 - $81.38

Q4 2023

Shares 110,290 Value ($000) $7,299 Avg Close $56.89 Range $46.51 - $67.43

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	51,539	$3,962	$81.68	$70.80 - $94.73
Q1 2025	90,050	$8,123	$97.42	$84.15 - $108.83
Q4 2024	82,190	$8,354	$97.72	$84.70 - $108.39
Q3 2024	85,690	$7,660	$78.08	$67.22 - $93.77
Q2 2024	88,770	$6,226	$74.70	$66.13 - $83.78
Q1 2024	97,250	$7,885	$70.17	$61.50 - $81.38
Q4 2023	110,290	$7,299	$56.89	$46.51 - $67.43