BIOGEN INC. — Director's Dealing 2016

Apr 7, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIOGEN INC. (BIIB)
CIK: 0000875045
Period of Report: 2016-04-06

Reporting Person: Koppel Adam (EVP, Strategy and Bus. Dev.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-04-06	Common Stock	S	102	$275.00	Disposed	1848.1123	Direct

Footnotes

F1: Sale pursuant to a trading plan intended to comply with Rule 10b5-1 of the Securities Exchange Act of 1934.

F2: Includes 84.8551 shares acquired under the Biogen Inc. employee stock purchase plan on 3/31/2016.