BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

FIRST AMERICAN BANK's Holding History (CIK: 0001291422)

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

Q1 2019

Shares 8,692 Value ($000) $2,055 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 8,041 Value ($000) $2,420 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 6,739 Value ($000) $2,381 Avg Close $344.30 Range $288.13 - $388.67

Q2 2015

Shares 25,281 Value ($000) $10,212 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 1,030 Value ($000) $435 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 1,030 Value ($000) $350 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 1,105 Value ($000) $366 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 1,105 Value ($000) $348 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 1,105 Value ($000) $338 Avg Close $317.43 Range $270.62 - $358.89

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	8,692	$2,055	$314.89	$216.12 - $344.00
Q4 2018	8,041	$2,420	$319.14	$278.46 - $358.41
Q3 2018	6,739	$2,381	$344.30	$288.13 - $388.67
Q2 2015	25,281	$10,212	$401.33	$368.88 - $432.88
Q1 2015	1,030	$435	$394.14	$334.40 - $480.18
Q4 2014	1,030	$350	$323.51	$290.85 - $361.93
Q3 2014	1,105	$366	$329.72	$298.31 - $349.00
Q2 2014	1,105	$348	$300.97	$272.02 - $322.25
Q1 2014	1,105	$338	$317.43	$270.62 - $358.89