BLACK HILLS CORP

Ticker: BKH CUSIP: 092113109 Class: COM

GAM Holding AG's Holding History (CIK: 0001438848)

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

Q3 2019

Shares 3,664 Value ($000) $281 Avg Close $60.34 Range $54.21 - $62.80

Q2 2019

Shares 3,664 Value ($000) $286 Avg Close $58.01 Range $54.08 - $63.38

Q4 2018

Shares 6,162 Value ($000) $383 Avg Close $47.68 Range $43.15 - $52.00

Q2 2015

Shares 1,037 Value ($000) $45 Avg Close $32.61 Range $29.70 - $35.86

Q4 2014

Shares 721 Value ($000) $38 Avg Close $35.24 Range $31.42 - $38.13

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	3,664	$281	$60.34	$54.21 - $62.80
Q2 2019	3,664	$286	$58.01	$54.08 - $63.38
Q4 2018	6,162	$383	$47.68	$43.15 - $52.00
Q2 2015	1,037	$45	$32.61	$29.70 - $35.86
Q4 2014	721	$38	$35.24	$31.42 - $38.13