BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

EDGEWOOD MANAGEMENT LLC's Holding History (CIK: 0000860561)

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

Q3 2016

Shares 1,480 Value ($000) $463 Avg Close $296.18 Range $240.07 - $333.65

Q3 2015

Shares 2,000 Value ($000) $584 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 2,000 Value ($000) $808 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 2,000 Value ($000) $844 Avg Close $394.14 Range $334.40 - $480.18

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	1,480	$463	$296.18	$240.07 - $333.65
Q3 2015	2,000	$584	$330.23	$265.00 - $412.24
Q2 2015	2,000	$808	$401.33	$368.88 - $432.88
Q1 2015	2,000	$844	$394.14	$334.40 - $480.18