Net Asset Value(s)

Intl. Biotechnology Trust PLC
15 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 14th May 2007 are as follows:

          Ordinary share             155.54p

          C Share                    141.75p




                             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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