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Date Event Format
11/12/2003 Biogen, Inc. Shareholders Meeting
Section 1: Introduction
Section 2: Shareholders Meeting
Section 3: Business & Financial Overview
Section 4: Question & Answer Session

Windows Media

Notice to Readers: This portion of our Web site contains archival information. Archived information should be considered accurate only as of the date listed next to the event. Archived information may be superseded by more recent information we have disclosed in later presentations, press releases, filings with the Securities and Exchange Commission (“SEC”) or otherwise. Archived information may contain forward-looking statements based on the expectations of our management as of the date of the event. Actual results may materially differ based on several factors, including those described in the archived information, press releases and our filings with the SEC.

Safe Harbor Statement:

The earnings conference call contains "forward-looking" statements regarding the proposed merger with IDEC, including statements regarding benefits of the proposed merger, integration plans and expected synergies, anticipated future financial and operating performance and results, including estimates for growth, and expectations for our products and plans for development and expansion of our pipeline. These statements are based on our respective managements' current expectations. There are a number of risks and uncertainties that could cause actual results to differ materially. For example, we may be unable to obtain shareholder or regulatory approvals required for the merger. Problems may arise in successfully integrating our businesses. The merger may involve unexpected costs. We may be unable to achieve cost-cutting synergies. Our businesses may suffer as a result of uncertainty surrounding the merger. The market for our products may change or be impacted by competition, new data, supply issues or marketplace trends. Technical, regulatory or manufacturing issues, new data or intellectual property disputes may affect our programs or we may encounter other difficulties in developing our pipeline or in gaining approval of new products.

For more detailed information on the risks and uncertainties associated with each company's business activities see our respective reports filed with the SEC. Neither company undertakes any obligation to publicly update its forward-looking statements, whether as a result of new information, future events, or otherwise.

Additional Information and Where to Find It:

On July 16, 2003, IDEC Pharmaceuticals Corporation filed a registration statement with the SEC on Form S-4 that includes a preliminary joint proxy statement/prospectus of Biogen, Inc. and IDEC and other relevant materials regarding the proposed merger transaction. Investors and security holders of Biogen and IDEC are urged to read the preliminary joint proxy statement/prospectus filed with the SEC on July 16, 2003, the definitive joint proxy statement/prospectus when it become available and any other relevant materials filed by Biogen or IDEC with the SEC when they become available, because they contain, or will contain, important information about IDEC, Biogen and the proposed transaction. The definitive joint proxy statement/prospectus will be sent to the security holders of Biogen and IDEC seeking their approval of the proposed transaction. Investors and security holders may obtain a free copy of these materials and other documents filed by Biogen or IDEC with the SEC at the SEC's website at www.sec.gov. A free copy of the definitive joint proxy statement/prospectus may also be obtained from Biogen, Inc., Fourteen Cambridge Center, Cambridge, MA 02142, Attn. Investor Relations or IDEC Pharmaceuticals Corporation, 3030 Callan Road, San Diego, CA 92121 when it becomes available. In addition, investors and security holders may access copies of the documents filed with the SEC by Biogen on Biogen's website at www.biogen.com and investors and security holders may access copies of the documents filed with the SEC by IDEC on IDEC's website at www.idecpharm.com. Investors and securityholders are urged to read the definitive joint proxy statement/prospectus and the other relevant materials relating to the proposed transaction when they become available before voting or making any investment decision with respect to the proposed transaction.

Biogen, IDEC and their respective executive officers and directors may be deemed to be participants in the solicitation of proxies from their respective stockholders with respect to the proposed transaction. Information about the executive officers and directors of Biogen and their ownership of Biogen common stock is set forth in the proxy statement for Biogen's 2003 annual meeting of stockholders, which was filed with the SEC on April 17, 2003. Information about the executive officers and directors of IDEC and their ownership of IDEC common stock is set forth in the proxy statement for IDEC's 2003 annual meeting of stockholders, which was filed with the SEC on April 11, 2003. Information regarding the interests of the officers and directors of Biogen and IDEC in the proposed transaction may be obtained by reading the preliminary joint proxy statement/prospectus of IDEC and Biogen filed with the SEC on July 16, 2003 and the definitive joint proxy statement/prospectus when it becomes available.