BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Industrial Alliance Investment Management Inc.'s Holding History (CIK: 0001630798)

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

Q1 2023

Shares 9,270 Value ($000) $3 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 24,824 Value ($000) $7 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 31,729 Value ($000) $8,472 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 10,740 Value ($000) $2,190 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 10,571 Value ($000) $2,226 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 9,735 Value ($000) $2,336 Avg Close $257.12 Range $221.72 - $290.76

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	9,270	$3	$276.70	$254.80 - $295.90
Q4 2022	24,824	$7	$282.44	$250.31 - $311.88
Q3 2022	31,729	$8,472	$212.38	$193.65 - $283.44
Q2 2022	10,740	$2,190	$204.43	$187.16 - $225.50
Q1 2022	10,571	$2,226	$217.46	$192.67 - $249.00
Q4 2021	9,735	$2,336	$257.12	$221.72 - $290.76