Net Asset Value(s)

Intl. Biotechnology Trust PLC
22 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 Monday 21st May 2007 are as follows:

          Ordinary share             158.15p
          C Share                    144.17p




                             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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