BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

DAVIDSON KEMPNER CAPITAL MANAGEMENT LP's Holding History (CIK: 0001595082)

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

Q1 2017

Shares 50,000 Value ($000) $13,671 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 112,751 Value ($000) $31,978 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 70,000 Value ($000) $21,912 Avg Close $296.18 Range $240.07 - $333.65

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	50,000	$13,671	$282.75	$260.50 - $301.42
Q4 2016	112,751	$31,978	$296.43	$268.00 - $329.83
Q3 2016	70,000	$21,912	$296.18	$240.07 - $333.65