Biogen Schedules Third Quarter 2003 Financial Results for October 28, 2003

CAMBRIDGE, Mass.--Oct. 9, 2003--Biogen, Inc. today announced it will report third quarter 2003 financial results on October 28, 2003, before the financial markets open.

Following the release of the financials, the Company will host a live webcast where Biogen management will discuss the quarter, at 8:30 am (ET). The webcast can be accessed by going to the Investor Relations section on Biogen's website (www.biogen.com). Following the live webcast, an archived version of the call will be available at the same URL, for one week.

About Biogen

Biogen is the world's oldest independent biotechnology company and a leader in biologics research, development and manufacturing. A pioneer in leading edge research in immunology, neurobiology and oncology, Biogen brings novel therapies to improve patients' lives around the world through its global marketing capabilities.