Acambis PLC Wins Delaware MVA Case

Cambridge, UK and Cambridge, Massachusetts – 16 May 2007 – Acambis plc (Acambis) (LSE: ACM) announces that the Hon. Sue L. Robinson, Chief Judge of the US District Court for the District of Delaware, granted Acambis' motion for summary judgment and dismissed Bavarian Nordic's case in its entirety. This terminates one of the legal actions brought by Bavarian Nordic against Acambis relating to Modified Vaccinia Ankara (MVA).