Portfolio Update

Intl. Biotechnology Trust PLC
07 March 2007



FOR IMMEDIATE RELEASE                                                  07-Mar-07


To : The London Stock Exchange


International Biotechnology Trust plc

The Board of International Biotechnology Trust plc announces that the top ten
investments as at Wednesday 28 February 2007  were as follows:


% of Net Assets


Top 10 Investments

GPC Biotech                                             4.12
CSL                                                     3.82
GTx                                                     3.82
Progenics Pharmaceuticals                               3.66
Micromet                                                3.61
Noven                                                   3.49
Shire                                                   3.35
MGI Pharma                                              3.27
Investec                                                3.22
New River Pharmaceuticals                               3.15


By Order of the Board
Schroder Investment Management Limited

Secretaries


Enquiries :

International Biotechnology Trust plc        Tina Watts            020 7658 3953


                      This information is provided by RNS
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