LEIDEN, Netherlands, May 31, 2005 (PRIMEZONE) -- Options for Dutch biotechnology company Crucell N.V. (Euronext:CRXL) (Nasdaq:CRXL) have been listed on the Chicago Board Options Exchange (CBOE), the world's largest options marketplace. Trading in the options on Crucell's American Depository Receipts (ADRs) started May 19, 2005.
The CBOE is now the second exchange on which Crucell options are traded. Crucell options have also been trading in the United States on the American Stock Exchange (AMEX) since November 2004.
About Crucell
Crucell N.V. is a biotechnology company focused on developing vaccines and antibodies that prevent and treat infectious diseases, including Ebola, influenza, malaria, West Nile virus and rabies. The company's development programs include collaborations with: sanofi pasteur for influenza vaccines; the U.S. National Institutes of Health for Ebola and malaria vaccines; and GlaxoSmithKline (GSK), Walter Reed Army Institute of Research and New York University for a malaria vaccine. Crucell's products are based on its PER.C6(r) production technology. The company also licenses its PER.C6(r) technology to the biopharmaceutical industry. Licensees and partners include DSM Biologics, GSK, Centocor/J&J and Merck & Co., Inc. Crucell is headquartered in Leiden, The Netherlands, and is listed on the Euronext and NASDAQ stock exchanges (ticker symbol CRXL). For more information, please visit www.crucell.com.
This press release contains forward-looking statements that involve inherent risks and uncertainties. We have identified certain important factors that may cause actual results to differ materially from those contained in such forward-looking statements. For information relating to these factors please refer to our Form 20-F, as filed with the U.S. Securities and Exchange Commission on April 14, 2005, and the section entitled "Risk Factors". The company prepares its financial statements under generally accepted accounting principles in the United States (U.S. GAAP).
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