Net Asset Value(s)

Intl. Biotechnology Trust PLC
05 October 2006


FOR IMMEDIATE RELEASE                                                  05-Oct-06

To: The London Stock Exchange


International Biotechnology Trust plc


The Board of International Biotechnology Trust plc announces that the unaudited
net asset value per share as at Tuesday 3rd October 2006 was 142.89 pence.

Within this net asset value is the impact of Gilead's 9ticker 'GILD') offer,
subject to shareholder Approval, on Monday 2 October 2006 to acquire Myogen
(ticker 'MYOG') - both are quoted portfolio Companies.


By Order of the Board
Schroder Investment Management Limited
Secretaries


Enquiries:

International Biotechnology Trust plc       Terry Croft       020 7658 3953


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