KNIFE RIVER CORP

Ticker: KNF CUSIP: 498894104 Class: COMMON STOCK

Soapstone Management L.P.'s Holding History (CIK: 0001726948)

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

Q4 2025

Shares 34,071 Value ($000) $2,397 Avg Close $70.23 Range $58.72 - $79.11

Q2 2024

Shares 154,272 Value ($000) $10,821 Avg Close $74.70 Range $66.13 - $83.78

Q1 2024

Shares 150,000 Value ($000) $12,162 Avg Close $70.17 Range $61.50 - $81.38

Q4 2023

Shares 236,957 Value ($000) $15,682 Avg Close $56.89 Range $46.51 - $67.43

Q3 2023

Shares 435,000 Value ($000) $21,241 Avg Close $47.47 Range $41.53 - $53.26

Q2 2023

Shares 205,137 Value ($000) $8,923 Avg Close $44.43 Range $36.48 - $49.19

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	34,071	$2,397	$70.23	$58.72 - $79.11
Q2 2024	154,272	$10,821	$74.70	$66.13 - $83.78
Q1 2024	150,000	$12,162	$70.17	$61.50 - $81.38
Q4 2023	236,957	$15,682	$56.89	$46.51 - $67.43
Q3 2023	435,000	$21,241	$47.47	$41.53 - $53.26
Q2 2023	205,137	$8,923	$44.43	$36.48 - $49.19