Transaction in Own Shares

Intl. Biotechnology Trust PLC
24 February 2006


                                                                24 February 2006

                    PURCHASE OF SHARES FOR CANCELLATION


International Biotechnology Trust plc announces that on 24 February 2006 the
Company purchased 500,000 shares for cancellation at a price of 128.00 pence per
share.  Following this transaction, there are a further 47,065,467 shares in
issue.


Enquiries:

John Spedding
Schroder Investment Management Limited                        Tel: [phone]






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