BLACK HILLS CORP

Ticker: BKH CUSIP: 092113109 Class: COM

ALTA CAPITAL MANAGEMENT LLC/'s Holding History (CIK: 0001093589)

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

Q4 2025

Shares 61,889 Value ($000) $4,296 Avg Close $66.47 Range $58.20 - $73.32

Q3 2025

Shares 63,263 Value ($000) $3,896 Avg Close $57.38 Range $54.13 - $60.96

Q2 2025

Shares 58,957 Value ($000) $3,307 Avg Close $56.47 Range $52.67 - $59.65

Q1 2025

Shares 55,715 Value ($000) $3,379 Avg Close $56.47 Range $52.15 - $59.45

Q4 2024

Shares 50,805 Value ($000) $2,973 Avg Close $57.33 Range $53.67 - $62.19

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	61,889	$4,296	$66.47	$58.20 - $73.32
Q3 2025	63,263	$3,896	$57.38	$54.13 - $60.96
Q2 2025	58,957	$3,307	$56.47	$52.67 - $59.65
Q1 2025	55,715	$3,379	$56.47	$52.15 - $59.45
Q4 2024	50,805	$2,973	$57.33	$53.67 - $62.19