AIM Rule 26 & Adviser Name

Tristel PLC
21 August 2007


Tristel PLC (the 'Company')

AIM Rule 26 compliant website and change of adviser name


The Company today announces that the information required by Rule 26 of the AIM
Rules for Companies (February 2007) is available within the 'Corporate' section
of the Company's website at www.tristel.com.


The Company today also announces that, following its change of name from Teather
& Greenwood Limited to Landsbanki Securities (UK) Limited with effect from 9
August 2007, the name of the Company's nominated adviser and broker has changed
to Landsbanki Securities (UK) Limited.


Enquiries:


Contacts:


Tristel plc                           Parkgreen Communications Ltd
Paul Swinney                          Paul McManus
Chief Executive                       Tel: [phone]
Tel: [phone]                    Mob: [phone]
                                      Email: [e-mail]



Landsbanki Securities (UK) Limited
Nomad & Broker
Sindre Ottesen/Simon Brown
Tel: [phone]




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