BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

CHARTIST INC /CA/'s Holding History (CIK: 0001129770)

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

Q4 2015

Shares 1,134 Value ($000) $347,401 Avg Close $287.35 Range $254.00 - $311.65

Q4 2014

Shares 9,605 Value ($000) $3,307 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 9,875 Value ($000) $3,158 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 9,961 Value ($000) $3,169 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 10,037 Value ($000) $2,943 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 10,131 Value ($000) $2,819 Avg Close $258.65 Range $221.07 - $298.82

Q2 2013

Shares 10,468 Value ($000) $2,316 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	1,134	$347,401	$287.35	$254.00 - $311.65
Q4 2014	9,605	$3,307	$323.51	$290.85 - $361.93
Q3 2014	9,875	$3,158	$329.72	$298.31 - $349.00
Q2 2014	9,961	$3,169	$300.97	$272.02 - $322.25
Q1 2014	10,037	$2,943	$317.43	$270.62 - $358.89
Q4 2013	10,131	$2,819	$258.65	$221.07 - $298.82
Q2 2013	10,468	$2,316	$213.68	$191.80 - $242.64