BLACK HILLS CORP

Ticker: BKH CUSIP: 092113109 Class: COM

DELTA ASSET MANAGEMENT LLC/TN's Holding History (CIK: 0000860857)

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

Q4 2018

Shares 22 Value ($000) $1 Avg Close $47.68 Range $43.15 - $52.00

Q3 2018

Shares 22 Value ($000) $1 Avg Close $45.23 Range $42.66 - $48.12

Q2 2018

Shares 22 Value ($000) $1 Avg Close $42.43 Range $39.15 - $46.25

Q1 2018

Shares 22 Value ($000) $1 Avg Close $39.62 Range $37.38 - $44.38

Q4 2017

Shares 22 Value ($000) $1 Avg Close $45.46 Range $41.87 - $51.03

Q3 2017

Shares 22 Value ($000) $2 Avg Close $50.60 Range $48.73 - $51.89

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	22	$1	$47.68	$43.15 - $52.00
Q3 2018	22	$1	$45.23	$42.66 - $48.12
Q2 2018	22	$1	$42.43	$39.15 - $46.25
Q1 2018	22	$1	$39.62	$37.38 - $44.38
Q4 2017	22	$1	$45.46	$41.87 - $51.03
Q3 2017	22	$2	$50.60	$48.73 - $51.89