Biogen Idec to Present at the 3rd Annual CITI Biotech Day

Thursday, September 4, 2008 1:48 pm EDT

Dateline:

CAMBRIDGE, Mass.

Public Company Information:

NASDAQ:
BIIB
US09062X1037

CAMBRIDGE, Mass.--(BUSINESS WIRE)--Biogen Idec Inc. (NASDAQ/BIIB) announced today that its presentation at the CITI Biotech Day will be webcast live via the internet, on Monday, September 8, 2008 at 3:20 p.m. ET. To access the live webcast, please visit Biogen Idecs Investor Relations section (investor.biogenidec.com). An archived version of the webcast will be available for 14 days following the presentation.

About Biogen Idec

Biogen Idec creates new standards of care in oncology, neurology and immunology. As a global leader in the development, manufacturing, and commercialization of novel therapies, Biogen Idec transforms scientific discoveries into advances in human healthcare. For product labeling, press releases and additional information about the company, please visit http://www.biogenidec.com.

Contact:

Biogen Idec
Heidi Brewster, 617-679-2812
Investor Relations