KNIFE RIVER CORP

Ticker: KNF CUSIP: 498894104 Class: COMMON STOCK

SIERRA OCEAN, LLC's Holding History (CIK: 0002051715)

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

Q2 2025

Shares 20 Value ($000) $2 Avg Close $91.06 Range $76.92 - $103.17

Q1 2025

Shares 20 Value ($000) $2 Avg Close $97.42 Range $84.15 - $108.83

Q4 2024

Shares 20 Value ($000) $2 Avg Close $97.72 Range $84.70 - $108.39

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	20	$2	$91.06	$76.92 - $103.17
Q1 2025	20	$2	$97.42	$84.15 - $108.83
Q4 2024	20	$2	$97.72	$84.70 - $108.39