Discussions on a Combination of Crucell and Wyeth Discontinued

Dutch biopharmaceutical company Crucell N.V. (Euronext, NASDAQ: CRXL; Swiss Exchange: CRX) today announced that Wyeth has withdrawn from discussions regarding a potential combination of the two companies.

This statement is an announcement as referred to in Section 5:59 paragraph 1 of the Dutch Financial Supervision Act (Wet op het financieel toezicht).

About Crucell

Crucell N.V. (Euronext, NASDAQ: CRXL; Swiss Exchange: CRX) is a global biopharmaceutical company focused on research, development, production and marketing of vaccines, proteins and antibodies that prevent and treat infectious diseases. Its vaccines are sold in public and private markets worldwide. Crucell's core portfolio includes a vaccine against hepatitis B, a fully-liquid vaccine against five important childhood diseases and a virosome-adjuvanted vaccine against influenza. Crucell also markets travel vaccines, such as the only oral anti-typhoid vaccine, an oral cholera vaccine and the only aluminum-free hepatitis A vaccine on the market. The Company has a broad development pipeline, with several product candidates based on its unique PER.C6® production technology. The Company licenses its PER.C6® technology and other technologies to the biopharmaceutical industry. Important partners and licensees include DSM Biologics, sanofi-aventis, Novartis, Wyeth and Merck & Co. Crucell is headquartered in Leiden, the Netherlands, with subsidiaries in Switzerland, Spain, Portugal, Italy, Sweden, Korea and the US. The Company employs over a 1000 people. For more information, please visit www.crucell.com .

Forward-looking statements

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 May 7, 2008, and the section entitled "Risk Factors". The Company prepares its financial statements under International Financial Reporting Standards (IFRS).

For further information please contact:

Crucell N.V.
Oya Yavuz
Director Corporate Communications & Investor Relations
Tel.  31-(0)71-519 7064
 ir@crucell.com 
 www.crucell.com

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