Crucell Holland B.V.,

Crucell N.V. (NYSE 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/or treat infectious diseases. In 2009 alone, Crucell distributed more than 115 million vaccine doses in more than 100 countries around the world, with the vast majority of doses (97%) going to developing countries. Crucell is one of the major suppliers of vaccines to UNICEF and the developing world. Crucell was the first manufacturer to launch a fully-liquid pentavalent vaccine. Called Quinvaxem®, this innovative combination vaccine protects against five important childhood diseases. Over 130 million doses have been sold since its launch in 2006 in more than 50 GAVI countries. With this innovation, Crucell has become a major partner in protecting children in developing countries. Other products in Crucell’s core portfolio include a vaccine against hepatitis B and a virosomeadjuvanted vaccine against influenza. Crucell also markets travel vaccines, such as an oral anti-typhoid vaccine, an oral cholera vaccine and the only aluminumfree 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 Johnson & Johnson, DSM Biologics, sanofi-aventis, Novartis, Wyeth, GSK, CSL
and Merck & Co. Crucell is headquartered in Leiden, the Netherlands, with offices in China, Indonesia, Italy, Korea, Malaysia, Spain, Sweden, Switzerland, UK, the USA and Vietnam. The Company employs over 1300 people. For more information, please visit www.crucell.com