KNIFE RIVER CORP

Ticker: KNF CUSIP: 498894104 Class: COMMON STOCK

Costello Asset Management, INC's Holding History (CIK: 0001760145)

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

Q4 2025

Shares 174 Value ($000) $12 Avg Close $70.23 Range $58.72 - $79.11

Q3 2025

Shares 174 Value ($000) $13 Avg Close $81.68 Range $70.80 - $94.73

Q2 2025

Shares 174 Value ($000) $14 Avg Close $91.06 Range $76.92 - $103.17

Q1 2025

Shares 174 Value ($000) $16 Avg Close $97.42 Range $84.15 - $108.83

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	174	$12	$70.23	$58.72 - $79.11
Q3 2025	174	$13	$81.68	$70.80 - $94.73
Q2 2025	174	$14	$91.06	$76.92 - $103.17
Q1 2025	174	$16	$97.42	$84.15 - $108.83