Net Asset Value(s)

Intl. Biotechnology Trust PLC
04 June 2007


                     International Biotechnology Trust plc

The Board of International Biotechnology Trust plc announces that the unaudited
net asset value, including the deficit on the current year revenue account for
each class of share as at Friday 1st June 2007 are as follows:

          Ordinary share                    158.34 pence



                             By Order of the Board

                     Schroder Investment Management Limited

                               Company Secretary


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Enquiries :

International Biotechnology Trust plc

Tina Watts 020 7658 3581


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