KNIFE RIVER CORP

Ticker: KNF CUSIP: 498894104 Class: COMMON STOCK

THURSTON, SPRINGER, MILLER, HERD & TITAK, INC.'s Holding History (CIK: 0000319933)

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

Q4 2025

Shares 23 Value ($000) $2 Avg Close $70.23 Range $58.72 - $79.11

Q3 2025

Shares 23 Value ($000) $2 Avg Close $81.68 Range $70.80 - $94.73

Q2 2025

Shares 244 Value ($000) $20 Avg Close $91.06 Range $76.92 - $103.17

Q1 2025

Shares 9,025 Value ($000) $814 Avg Close $97.42 Range $84.15 - $108.83

Q4 2024

Shares 98 Value ($000) $10 Avg Close $97.72 Range $84.70 - $108.39

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	23	$2	$70.23	$58.72 - $79.11
Q3 2025	23	$2	$81.68	$70.80 - $94.73
Q2 2025	244	$20	$91.06	$76.92 - $103.17
Q1 2025	9,025	$814	$97.42	$84.15 - $108.83
Q4 2024	98	$10	$97.72	$84.70 - $108.39