Biogen Idec to Present at the Credit Suisse 2012 Annual Healthcare Conference

Biogen Idec to Present at the Credit Suisse 2012 Annual Healthcare Conference

Biogen IdecKaren Jewell, 781-464-2442Investor Relations

Biogen Idec Inc. (NASDAQ: BIIB) announced today that its presentation at the Credit Suisse 2012 Healthcare Conference will be webcast live on Wednesday, November 14, 2012 at 9:30 a.m. MT, 7:30am ET. To access the live webcast, please visit Biogen Idec’s Investors section at . An archived version of the webcast will be available for 14 days following the presentation.

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 world’s 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 .