Net Asset Value(s)

Intl. Biotechnology Trust PLC
17 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 Wednesday 16th May 2007 are as follows:

     Ordinary share             155.05p

     C Share                    141.56p



                             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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