BLACK HILLS CORP

Ticker: BKH CUSIP: 092113109 Class: COM

Yorktown Management & Research Co Inc's Holding History (CIK: 0001313559)

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

Q2 2018

Shares 5,100 Value ($000) $312 Avg Close $42.43 Range $39.15 - $46.25

Q1 2018

Shares 5,100 Value ($000) $277 Avg Close $39.62 Range $37.38 - $44.38

Q4 2017

Shares 5,100 Value ($000) $307 Avg Close $45.46 Range $41.87 - $51.03

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	5,100	$312	$42.43	$39.15 - $46.25
Q1 2018	5,100	$277	$39.62	$37.38 - $44.38
Q4 2017	5,100	$307	$45.46	$41.87 - $51.03