BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

SIRIOS CAPITAL MANAGEMENT L P's Holding History (CIK: 0001104883)

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

Q3 2022

Shares 9,809 Value ($000) $2,619 Avg Close $212.38 Range $193.65 - $283.44

Q3 2018

Shares 3,760 Value ($000) $1,328 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 2,403 Value ($000) $697 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 3,779 Value ($000) $1,035 Avg Close $310.41 Range $259.76 - $370.57

Q3 2016

Shares 21,726 Value ($000) $6,801 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 27,896 Value ($000) $6,746 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 19,929 Value ($000) $5,188 Avg Close $264.15 Range $242.07 - $301.02

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2022	9,809	$2,619	$212.38	$193.65 - $283.44
Q3 2018	3,760	$1,328	$344.30	$288.13 - $388.67
Q2 2018	2,403	$697	$281.15	$249.17 - $310.91
Q1 2018	3,779	$1,035	$310.41	$259.76 - $370.57
Q3 2016	21,726	$6,801	$296.18	$240.07 - $333.65
Q2 2016	27,896	$6,746	$263.54	$223.02 - $292.69
Q1 2016	19,929	$5,188	$264.15	$242.07 - $301.02