BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

ALERUS FINANCIAL NA's Holding History (CIK: 0000919458)

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

Q2 2017

Shares 768 Value ($000) $208 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 818 Value ($000) $224 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 879 Value ($000) $249 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 5,501 Value ($000) $1,722 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 9,714 Value ($000) $2,349 Avg Close $263.54 Range $223.02 - $292.69

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	768	$208	$264.42	$244.28 - $291.90
Q1 2017	818	$224	$282.75	$260.50 - $301.42
Q4 2016	879	$249	$296.43	$268.00 - $329.83
Q3 2016	5,501	$1,722	$296.18	$240.07 - $333.65
Q2 2016	9,714	$2,349	$263.54	$223.02 - $292.69