RNS Number:2490T
Antisoma PLC
15 December 2003

                             Holding(s) in Company

London, UK, 15 December 2003, - Antisoma plc was notified on 12 December 2003 by
GNI Limited that it has a beneficial interest of 12,010,400 ordinary shares in
Antisoma, representing 5.27% of Antisoma's current issued ordinary share
capital.

                                    - END -

Enquires:

Antisoma plc
Raymond Spencer, Chief Financial Officer                     +44 (0)20 8799 8200



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