BLACK HILLS CORP

Ticker: BKH CUSIP: 092113109 Class: COM

ALPINE WOODS CAPITAL INVESTORS, LLC's Holding History (CIK: 0001226886)

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

Q1 2018

Shares 11,500 Value ($000) $624 Avg Close $39.62 Range $37.38 - $44.38

Q4 2017

Shares 11,500 Value ($000) $691 Avg Close $45.46 Range $41.87 - $51.03

Q2 2016

Shares 3,800 Value ($000) $240 Avg Close $42.44 Range $39.39 - $44.88

Q1 2016

Shares 7,700 Value ($000) $463 Avg Close $37.32 Range $31.07 - $42.88

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	11,500	$624	$39.62	$37.38 - $44.38
Q4 2017	11,500	$691	$45.46	$41.87 - $51.03
Q2 2016	3,800	$240	$42.44	$39.39 - $44.88
Q1 2016	7,700	$463	$37.32	$31.07 - $42.88