Net Asset Value(s)

Intl. Biotechnology Trust PLC
11 May 2006

          FOR IMMEDIATE RELEASE                       11-May-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 9th May 2006  was 152.75 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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