Biogen Idec to Present at the 2013 RBC Capital Markets Global Healthcare Conference

  Biogen Idec to Present at the 2013 RBC Capital Markets Global Healthcare
  Conference

RBC Capital Markets Global Healthcare Conference 2013

Business Wire

WESTON, Mass. -- February 20, 2013

Biogen Idec Inc. (NASDAQ: BIIB) announced today that it will present at the
2013 RBC Capital Markets Global Healthcare Conference. The webcast will be
live on Tuesday, February 26, 2013 at 9:30 a.m. ET. To access the live
webcast, please visit Biogen Idec’s Investors section at www.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An archived version of the webcast will be available for 14 days following the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 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 www.biogenidec.com.

Contact:

Investor Relations
Biogen Idec
Karen Jewell, 781-464-2442