17 November 2006

Cyprotex announces issue of shares

Cyprotex PLC (AIM:CRX), the drug discovery technology and information company, today announces that under The Cyprotex PLC Unapproved Discretionary Share Option Scheme it has issued 125,000 new ordinary shares of 0.1p each ("new Ordinary Shares") pursuant to the exercise of options.

The issue of these new Ordinary shares is subject to admission to trading on AIM, application for which has been made. Trading in the new Ordinary Shares, which will rank pari passu in all respects with the existing ordinary shares, is expected to commence on 17 November 2006

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For further information:

Cyprotex PLC
Robert Morrison Atwater, CEO
Tel: +44 1625 505 100
ir@cyprotex.com
www.cyprotex.com

Abchurch
Heather Salmond
Tel: +44 (0)20 7398 7700
heather.salmond@abchurch-group.com
www.abchurch-group.com