BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

DISCOVERY CAPITAL MANAGEMENT, LLC / CT's Holding History (CIK: 0001389507)

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

Q4 2016

Shares 504,765 Value ($000) $143,141 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 97,300 Value ($000) $30,458 Avg Close $296.18 Range $240.07 - $333.65

Q3 2015

Shares 697,880 Value ($000) $203,648 Avg Close $330.23 Range $265.00 - $412.24

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	504,765	$143,141	$296.43	$268.00 - $329.83
Q3 2016	97,300	$30,458	$296.18	$240.07 - $333.65
Q3 2015	697,880	$203,648	$330.23	$265.00 - $412.24