BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

TimesSquare Capital Management, LLC's Holding History (CIK: 0001313816)

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

Q4 2014

Shares 26,792 Value ($000) $9,095 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 20,244 Value ($000) $6,697 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 10,753 Value ($000) $3,391 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 140 Value ($000) $43 Avg Close $317.43 Range $270.62 - $358.89

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	26,792	$9,095	$323.51	$290.85 - $361.93
Q3 2014	20,244	$6,697	$329.72	$298.31 - $349.00
Q2 2014	10,753	$3,391	$300.97	$272.02 - $322.25
Q1 2014	140	$43	$317.43	$270.62 - $358.89