BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

ROCKY MOUNTAIN ADVISERS, LLC's Holding History (CIK: 0001512779)

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

Q1 2019

Shares 39 Value ($000) $9 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 39 Value ($000) $12 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 39 Value ($000) $14 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 39 Value ($000) $11 Avg Close $281.15 Range $249.17 - $310.91

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	39	$9	$314.89	$216.12 - $344.00
Q4 2018	39	$12	$319.14	$278.46 - $358.41
Q3 2018	39	$14	$344.30	$288.13 - $388.67
Q2 2018	39	$11	$281.15	$249.17 - $310.91