BIOGEN INC. — Director's Dealing 2010

Apr 16, 2010

SEC Form 4/A — Form 4/A

Issuer: BIOGEN IDEC INC. (BIIB)
CIK: 0000875045
Period of Report: 2010-04-01

Reporting Person: Hamm Robert A (Chief Operating Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-04-01	Common Stock	A	3624	—	Acquired	32880.41	Direct

Footnotes

F1: The award from which taxes were withheld was inadvertently omitted from the original filing.