Director Shareholding

Avacta Group plc ("Avacta" or the "Company")                  

                           Directors' Share Dealings                           

The Company was informed on 5th April 2007 that, pursuant to the Company's
recent placing which became effective on the same day, the following directors
of the Company purchased in aggregate 3,400,000 ordinary shares of 0.1p each in
the Company ("Ordinary Shares") at the placing price of 2.5p per Ordinary
Share. The individual purchases and the resulting interests of the directors
are set out below:

Director           No. of Ordinary Shares    Total shareholding     % of issued    
                   purchased                                      share capital  
                                                                               
Gwyn Humphreys                  2,000,000            13,125,836            1.69
                                                                               
Alastair Smith                    400,000            49,617,468            6.38
                                                                               
Simon Webster                     200,000            48,824,258            6.28
                                                                               
Kurt Baldwin                      200,000            48,824,258            6.28
                                                                               
Tim Sykes                         200,000             3,118,718            0.40
                                                                               
Anthony Robards                   400,000             8,891,102            1.14



Enquiries:

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

WH Ireland Limited                                           Tel: [phone]
                                                                               
David Youngman, Director, Corporate Finance                                    
                                                                               

BankOra Limited                                              Tel: [phone]
                                                                               
Henry Turcan, Director                                                         
                                                                               

Nexus Financial Ltd                                          Tel: [phone]
                                                                               
Nicholas Nelson, Director                                    Mob: [phone]
                                                                               
                                               [e-mail]

10 April 2007