Net Asset Value(s)

Intl. Biotechnology Trust PLC
23 May 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 Tuesday 22nd May 2007 are as follows:

          Ordinary share            158.68p
          C Share                   145.38p




                             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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