BLACK HILLS CORP

Ticker: BKH CUSIP: 092113109 Class: COM

Israel Discount Bank of New York's Holding History (CIK: 0001706511)

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

Q2 2018

Shares 590 Value ($000) $36 Avg Close $42.43 Range $39.15 - $46.25

Q1 2018

Shares 590 Value ($000) $32 Avg Close $39.62 Range $37.38 - $44.38

Q4 2017

Shares 590 Value ($000) $35 Avg Close $45.46 Range $41.87 - $51.03

Q3 2017

Shares 590 Value ($000) $41 Avg Close $50.60 Range $48.73 - $51.89

Q2 2017

Shares 615 Value ($000) $41 Avg Close $49.84 Range $47.18 - $52.32

Q1 2017

Shares 625 Value ($000) $42 Avg Close $45.51 Range $43.01 - $48.38

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	590	$36	$42.43	$39.15 - $46.25
Q1 2018	590	$32	$39.62	$37.38 - $44.38
Q4 2017	590	$35	$45.46	$41.87 - $51.03
Q3 2017	590	$41	$50.60	$48.73 - $51.89
Q2 2017	615	$41	$49.84	$47.18 - $52.32
Q1 2017	625	$42	$45.51	$43.01 - $48.38