BIOGEN INC. — Director's Dealing 2014

Feb 27, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIOGEN IDEC INC. (BIIB)
CIK: 0000875045
Period of Report: 2014-02-26

Reporting Person: Sandrock Alfred (Grp SVP, Chief Medical Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-02-26	Common Stock	S	1048	$342.17	Disposed	21407	Direct

Footnotes

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