Net Asset Value(s)

Intl. Biotechnology Trust PLC
21 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 Friday 18th May 2007 are as follows:

          Ordinary share             156.37p

          C Share                    142.61p



                             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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