Wed, September 5, 2012
Tue, September 4, 2012

Biogen Idec to Present at the Morgan Stanley Global Healthcare Unplugged Conference

WESTON, Mass.--([ ])--Biogen Idec Inc. (NASDAQ: BIIB) announced today that its presentation at the Morgan Stanley Global Healthcare Unplugged Conference will be webcast live on Monday, September 10, 2012 at 1:50 p.m. ET. To access the live webcast, please visit Biogen Idecas Investor Relations section ([ www.investor.biogenidec.com ]). An archived version of the webcast will be available for 14 days following the presentation.

About Biogen Idec

Through cutting-edge science and medicine, Biogen Idec discovers, develops and delivers to patients worldwide innovative therapies for the treatment of neurodegenerative diseases, hemophilia and autoimmune disorders. Founded in 1978, Biogen Idec is the worldas oldest independent biotechnology company. Patients worldwide benefit from its leading multiple sclerosis therapies, and the company generates more than $5 billion in annual revenues. For product labeling, press releases and additional information about the company, please visit [ www.biogenidec.com ].