BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

ROSENBLUM SILVERMAN SUTTON S F INC /CA's Holding History (CIK: 0000918893)

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

Q2 2015

Shares 3,827 Value ($000) $1,546 Avg Close $401.33 Range $368.88 - $432.88

Q4 2014

Shares 1,810 Value ($000) $614 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 1,810 Value ($000) $599 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 1,810 Value ($000) $571 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 1,910 Value ($000) $584 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 1,605 Value ($000) $449 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 1,545 Value ($000) $372 Avg Close $223.81 Range $203.55 - $248.95

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	3,827	$1,546	$401.33	$368.88 - $432.88
Q4 2014	1,810	$614	$323.51	$290.85 - $361.93
Q3 2014	1,810	$599	$329.72	$298.31 - $349.00
Q2 2014	1,810	$571	$300.97	$272.02 - $322.25
Q1 2014	1,910	$584	$317.43	$270.62 - $358.89
Q4 2013	1,605	$449	$258.65	$221.07 - $298.82
Q3 2013	1,545	$372	$223.81	$203.55 - $248.95