BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

ISLAY CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001738560)

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

Q1 2021

Shares 466 Value ($000) $130 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 334 Value ($000) $82 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 334 Value ($000) $95 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 248 Value ($000) $66 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 383 Value ($000) $121 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 321 Value ($000) $95 Avg Close $277.46 Range $219.70 - $318.00

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	466	$130	$269.69	$238.40 - $296.38
Q4 2020	334	$82	$259.08	$223.25 - $363.92
Q3 2020	334	$95	$278.91	$261.87 - $312.00
Q2 2020	248	$66	$300.59	$257.60 - $350.24
Q1 2020	383	$121	$303.47	$262.25 - $374.99
Q4 2019	321	$95	$277.46	$219.70 - $318.00