Antisoma to present at Piper Jaffray 18th Annual Health Care Conference on December 1st

London, UK: 24 November 2006 – Cancer drug developer Antisoma plc(LSE: ASM; USOTC: ATSMY) today announces that its Chief Executive Officer, Glyn Edwards, will be presenting at the Piper Jaffray 18th Annual Health Care Conference in New York on Friday 1 st December.

Mr Edwards’s presentation will take place at 10.30am EST. A live webcast of the presentation can be viewed on Antisoma’s website and available to all parties thereafter at www.antisoma.com

For the live webcast, it is recommended that viewers log on 15 minutes early in order to register and download any necessary software.

Notes for Editors:

Background on Antisoma

Based in London, UK, Antisoma is a biopharmaceutical company that develops novel products for the treatment of cancer. Antisoma fills its development pipeline by acquiring promising new product candidates from internationally recognised academic or cancer research institutions. Its core activity is the preclinical and clinical development of these drug candidates. Please visit www.antisoma.co.uk for further information about Antisoma.

Contact Information

Katherine Harrison

Communications Manager

Antisoma plc

Contact via E-mail