BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

PartnerRe Asset Management CORP's Holding History (CIK: 0001301542)

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

Q1 2016

Shares 1,472 Value ($000) $383 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 1,472 Value ($000) $451 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 4,256 Value ($000) $1,242 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 4,249 Value ($000) $1,716 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 4,971 Value ($000) $2,099 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 5,029 Value ($000) $1,707 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 4,323 Value ($000) $1,430 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 5,044 Value ($000) $1,590 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 5,713 Value ($000) $1,747 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 5,686 Value ($000) $1,590 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 6,058 Value ($000) $1,459 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 6,849 Value ($000) $1,474 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	1,472	$383	$264.15	$242.07 - $301.02
Q4 2015	1,472	$451	$287.35	$254.00 - $311.65
Q3 2015	4,256	$1,242	$330.23	$265.00 - $412.24
Q2 2015	4,249	$1,716	$401.33	$368.88 - $432.88
Q1 2015	4,971	$2,099	$394.14	$334.40 - $480.18
Q4 2014	5,029	$1,707	$323.51	$290.85 - $361.93
Q3 2014	4,323	$1,430	$329.72	$298.31 - $349.00
Q2 2014	5,044	$1,590	$300.97	$272.02 - $322.25
Q1 2014	5,713	$1,747	$317.43	$270.62 - $358.89
Q4 2013	5,686	$1,590	$258.65	$221.07 - $298.82
Q3 2013	6,058	$1,459	$223.81	$203.55 - $248.95
Q2 2013	6,849	$1,474	$213.68	$191.80 - $242.64