BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Capital International, Inc./CA/'s Holding History (CIK: 0000895213)

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

Q4 2019

Shares 4,286 Value ($000) $1,272 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 10,462 Value ($000) $2,436 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 15,274 Value ($000) $3,572 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 3,758 Value ($000) $888 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 3,252 Value ($000) $979 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 2,655 Value ($000) $938 Avg Close $344.30 Range $288.13 - $388.67

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	4,286	$1,272	$277.46	$219.70 - $318.00
Q3 2019	10,462	$2,436	$232.85	$215.78 - $246.99
Q2 2019	15,274	$3,572	$230.90	$219.20 - $245.35
Q1 2019	3,758	$888	$314.89	$216.12 - $344.00
Q4 2018	3,252	$979	$319.14	$278.46 - $358.41
Q3 2018	2,655	$938	$344.30	$288.13 - $388.67