Director/PDMR Shareholding

Tristel PLC
25 May 2006


Tristel plc


25 May 2006


Director/PDMR Shareholding


Tristel plc ('Tristel'), the healthcare business which uses its proprietary
chlorine dioxide chemistry to create infection control products for hospitals
announces the following share purchases by directors:


On 24 May 2006 Peter Stephens (Non-Executive Director) acquired 25,000 shares at
46.5 pence each, taking his total shareholding to 573,937 shares (2.4%).


ENDS


Tristel plc                                     Parkgreen Communications Ltd

Paul Swinney, Chief Executive                   Paul McManus

Paul Barnes, Finance Director

Tel:  [phone]                              Tel   [phone]

http://www.tristel.com                          Mob: [phone]




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