Acambis Successfully Delivers on ACAM2000 Smallpox Vaccine Order

Acambis (Cambridge, UK, www.acambis.com) successfully delivered 10 million doses of ACAM2000 smallpox vaccine to the US Centers for Disease Control and Prevention in December 2006, generating revenue of approximately £16 million, which will be recognized in the last quarter of 2006. Acambis will receive payment in early 2007 and expects to meet its 2006 revenue guidance of around £30 million.