Net Asset Value(s)

Intl. Biotechnology Trust PLC
21 September 2005

   FOR IMMEDIATE RELEASE                                            21-Sep-05


   To : The London Stock Exchange


International Biotechnology Trust plc


The Board of International Biotechnology Trust plc announces that the unaudited
net asset value per share as at Tuesday 20th September 2005  was 122.31 pence.




By Order of the Board
Schroder Investment Management Limited
Secretaries





Enquiries :
International Biotechnology Trust plc         Anthony Carney       020 7658 2548












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