Crucell Receives Patents Covering PER.C6(R) for Protein Production


LEIDEN, The Netherlands, Feb. 16, 2005 (PRIMEZONE) -- Dutch biotechnology company Crucell N.V. (Euronext:CRXL) (Nasdaq:CRXL) announced today that it has been granted two pivotal patents relating to the production of proteins, one by the United States Patent and Trademark Office and the other by the European Patent Office. The U.S. Patent (No: 6,855,544) was granted on February 15, 2005, while the European patent (No: 1161548) was granted today.With these two patents Crucell considerably strengthens its patent position in and around the manufacturing of monoclonal antibodies and therapeutic proteins using cell lines and production technology marketed under its trademark PER.C6(R).

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 Aventis 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 innovative PER.C6(R) technology, which offers a safer, more efficient way to produce biopharmaceuticals. The company licenses its PER.C6(R) technology to the biopharmaceutical industry on a mostly non-exclusive basis. 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 February 27, 2004, and the section entitled "Risk Factors". The company prepares its financial statements under generally accepted accounting principles in the United States (US GAAP).

Click here for a PDF version of this press release: http://hugin.info/132631/R/980889/145447.pdf



            

Contact Data