BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Power Corp of Canada's Holding History (CIK: 0000801166)

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

Q4 2023

Shares 11,158 Value ($000) $2,887 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 16,135 Value ($000) $4,147 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 16,135 Value ($000) $4,596 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 17,312 Value ($000) $4,675 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 8,458 Value ($000) $2,342 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 8,458 Value ($000) $2,258 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 7,281 Value ($000) $1,485 Avg Close $204.43 Range $187.16 - $225.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	11,158	$2,887	$245.62	$220.86 - $269.43
Q3 2023	16,135	$4,147	$267.47	$251.85 - $287.60
Q2 2023	16,135	$4,596	$297.86	$273.39 - $319.76
Q1 2023	17,312	$4,675	$276.70	$254.80 - $295.90
Q4 2022	8,458	$2,342	$282.44	$250.31 - $311.88
Q3 2022	8,458	$2,258	$212.38	$193.65 - $283.44
Q2 2022	7,281	$1,485	$204.43	$187.16 - $225.50