BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

CAPITAL INTERNATIONAL LTD /CA/'s Holding History (CIK: 0001065350)

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

Q4 2019

Shares 6,757 Value ($000) $2,005 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 11,097 Value ($000) $2,584 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 6,153 Value ($000) $1,439 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 7,826 Value ($000) $1,850 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 6,649 Value ($000) $2,001 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 5,484 Value ($000) $1,938 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 2,420 Value ($000) $702 Avg Close $281.15 Range $249.17 - $310.91

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	6,757	$2,005	$277.46	$219.70 - $318.00
Q3 2019	11,097	$2,584	$232.85	$215.78 - $246.99
Q2 2019	6,153	$1,439	$230.90	$219.20 - $245.35
Q1 2019	7,826	$1,850	$314.89	$216.12 - $344.00
Q4 2018	6,649	$2,001	$319.14	$278.46 - $358.41
Q3 2018	5,484	$1,938	$344.30	$288.13 - $388.67
Q2 2018	2,420	$702	$281.15	$249.17 - $310.91