Net Asset Value(s)

Intl. Biotechnology Trust PLC
21 September 2006



FOR IMMEDIATE RELEASE            21-Sep-06

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 19th September 2006  was 139.26 pence.





By Order of the Board
Schroder Investment Management Limited
Secretaries


Enquiries :
International Biotechnology Trust plc       Terry Croft    020 7658 3953




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