REG-Biocompatibles Intl.: Director/PDMR Shareholding

17 August 2009

Biocompatibles International plc

Director's Share Dealing

Biocompatibles International plc (LSE: BII)("Biocompatibles" or the "Company")
announces that on Friday, 14 August 2009 Dr. Peter Stratford, an executive
director of the Company and Person Discharging Managerial Responsibility,
exercised options under the Biocompatibles International Group plc Executive
Share Option Scheme 1995 (the "Scheme") to acquire 12,588 ordinary shares in
the Company at an exercise price of 126 pence each. These options were due to
lapse on 16 August 2009, the tenth anniversary of grant, and were therefore
automatically exercised in accordance with the rules of the Scheme on the
preceding business day.

The exercise price was funded by the sale of 9,364 ordinary shares on 14 August
2009 at a price of 170 pence per share, in accordance with the rules of the
Scheme. Dr. Stratford retained the remaining 3,224 ordinary shares of 21 53/94
pence each.

Following this exercise of options and sale of shares, Dr. Stratford's
beneficial ownership of Biocompatibles ordinary shares has increased to 9,464
shares, representing 0.024% of the Company's current issued share capital.

This announcement is made following notifications under Disclosure Rule 3.1.2.
The transaction took place in London.

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Enquiries:

Biocompatibles Tel: +44 (0)1252 732706
Ian Ardill, Finance Director
Sari Evetts, Assistant Company Secretary

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