BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Osher Van de Voorde Investment Management's Holding History (CIK: 0001569174)

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

Q1 2017

Shares 27,549 Value ($000) $7,532 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 28,829 Value ($000) $8,175 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 29,141 Value ($000) $9,122 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 29,126 Value ($000) $7,043 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 21,995 Value ($000) $5,726 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 22,030 Value ($000) $6,749 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 21,810 Value ($000) $6,364 Avg Close $330.23 Range $265.00 - $412.24

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	27,549	$7,532	$282.75	$260.50 - $301.42
Q4 2016	28,829	$8,175	$296.43	$268.00 - $329.83
Q3 2016	29,141	$9,122	$296.18	$240.07 - $333.65
Q2 2016	29,126	$7,043	$263.54	$223.02 - $292.69
Q1 2016	21,995	$5,726	$264.15	$242.07 - $301.02
Q4 2015	22,030	$6,749	$287.35	$254.00 - $311.65
Q3 2015	21,810	$6,364	$330.23	$265.00 - $412.24