Directorate Appointment

Avacta Group plc                                

                               Board Appointment                               

Avacta Group plc ("Avacta" or the "Company"), which develops detection and
analysis technology aimed at the biopharmaceutical, defence & security and
clinical diagnostics markets, is pleased to announce the appointment of Russell
Hodgetts to the Board of Directors, with effect from 10 July 2007.

Russell Winston Hodgetts, 36, has been Chief Operating Officer of Avacta since
October 2005, and has a wealth of experience in strategic business development
and group operations. Prior to joining Avacta he worked for Techtran Group
Limited where he helped guide the commercialization and business development of
companies created from University of Leeds research and intellectual property.

He currently oversees the development of the analytical services division of
the Company in addition to being responsible for group operations.

Russell Hodgetts is the beneficial owner of 9,847,912 ordinary shares of 0.1p
each in the capital of the Company ("Ordinary Shares"), representing
approximately 1.27 per cent. of the issued share capital of the Company and
1,804,568 options to acquire Ordinary Shares at an exercise price of 2.25p per
share.

He is also a director of Avacta Analytical Limited.

Russell Hodgetts was named Russell Beckett until family circumstances led to
his name being changed when aged 11.

There are no other disclosures required by paragraph (g) of Schedule 2 of the
AIM Rules for Companies.

Professor Alastair Smith, Chief Executive, Avacta Group plc, commented:

"Russell has been an integral part of the development of Avacta over the past
two years and his focus on continued growth has been central to the success of
Avacta Analytical Ltd. We are pleased to welcome him to the Board and will
continue to draw on his knowledge and drive to ensure that Avacta maintains its
current path of development and innovation."

                                                                9 November 2007

Enquiries

Avacta Group plc                          Tel: [phone]                 
                                                                             
Alastair Smith, Chief Executive                                              
                                                                             
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