Director/PDMR Shareholding

Avacta Group plc                                

                            Director's Shareholding                            

Avacta Group plc (the "Company") announces that it has received notification
that Alastair Smith, a director of the Company, has today sold 601,389 ordinary
shares of 0.1p each in the capital of the Company ("Ordinary Shares"),
representing 0.07% of the issued share capital of the Company, to his SIPP at a
price of 3.5 pence per share. Following this transaction, Alastair Smith
remains beneficially interested in 49,617,468 Ordinary Shares, representing
6.03% of the issued share capital of the Company.

Enquiries:

Avacta Group plc                       Tel: [phone]                    
                                                                             
Alastair Smith, Chief Executive                                              
Officer                                                                      
                                                                             
Tim Sykes, Chief Financial Officer                                           
                                                                             
Haggie Financial LLP                   Tel: [phone]                    
                                                                             
Nicholas Nelson / Kathy Boate          [e-mail]          
                                                                             
WH Ireland Limited                     Tel: [phone]                    
                                                                             
Robin Gwyn/David Youngman                                                               
                                                                             
Novum Securities Limited               Tel: [phone]                    
                                                                             
Henry Turcan / Michael Brennan