BLACK HILLS CORP

Ticker: BKH CUSIP: 092113109 Class: COM

EASTERN BANK's Holding History (CIK: 0001126395)

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

Q4 2025

Shares 400 Value ($000) $28 Avg Close $66.47 Range $58.20 - $73.32

Q3 2025

Shares 400 Value ($000) $25 Avg Close $57.38 Range $54.13 - $60.96

Q2 2025

Shares 400 Value ($000) $22 Avg Close $56.47 Range $52.67 - $59.65

Q1 2025

Shares 400 Value ($000) $24 Avg Close $56.47 Range $52.15 - $59.45

Q4 2024

Shares 400 Value ($000) $23 Avg Close $57.33 Range $53.67 - $62.19

Q3 2024

Shares 400 Value ($000) $24 Avg Close $54.39 Range $49.37 - $58.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	400	$28	$66.47	$58.20 - $73.32
Q3 2025	400	$25	$57.38	$54.13 - $60.96
Q2 2025	400	$22	$56.47	$52.67 - $59.65
Q1 2025	400	$24	$56.47	$52.15 - $59.45
Q4 2024	400	$23	$57.33	$53.67 - $62.19
Q3 2024	400	$24	$54.39	$49.37 - $58.14