CAMBRIDGE, Mass.--(BUSINESS WIRE)--Jan. 9, 2006--Biogen Idec Inc. (NASDAQ: BIIB) today announced it will report fourth quarter and full year 2005 financial results on Wednesday, February 15, 2006, after the financial markets close. Following the release of the financials, the Company will host a live webcast where Biogen Idec management will discuss the financial results, at 5:00 pm ET/2:00 pm PT. To access the live webcast, please go to Biogen Idec’s website at www.biogenidec.com. Following the live webcast, an archived version of the call will be available at the same URL, for one month.