BLACK HILLS CORP

Ticker: BKH CUSIP: 092113109 Class: COM

Asset Management One Co., Ltd.'s Holding History (CIK: 0001068855)

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

Q4 2025

Shares 1,722 Value ($000) $120 Avg Close $66.47 Range $58.20 - $73.32

Q2 2025

Shares 5,279 Value ($000) $296 Avg Close $56.47 Range $52.67 - $59.65

Q3 2024

Shares 5,038 Value ($000) $308 Avg Close $54.39 Range $49.37 - $58.14

Q3 2017

Shares 38,500 Value ($000) $2,669 Avg Close $50.60 Range $48.73 - $51.89

Q2 2017

Shares 38,500 Value ($000) $2,612 Avg Close $49.84 Range $47.18 - $52.32

Q1 2017

Shares 38,500 Value ($000) $2,524 Avg Close $45.51 Range $43.01 - $48.38

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,722	$120	$66.47	$58.20 - $73.32
Q2 2025	5,279	$296	$56.47	$52.67 - $59.65
Q3 2024	5,038	$308	$54.39	$49.37 - $58.14
Q3 2017	38,500	$2,669	$50.60	$48.73 - $51.89
Q2 2017	38,500	$2,612	$49.84	$47.18 - $52.32
Q1 2017	38,500	$2,524	$45.51	$43.01 - $48.38