Holding(s) in Company

Avacta Group plc                                

                          ("Avacta" or "the Company")                          

                              Holdings in Company                              

The Company was notified on 31 December 2010 that IP Group Plc ("IP Group"), a
substantial shareholder of the Company, had purchased 1,375,000 ordinary shares
of 0.1p each in Avacta ("Ordinary Shares") at £0.0086 per share on 29 December
2010.

IP Group then purchased an additional 2,000,000 Ordinary Shares on 31 December
2010 at £0.0093 per share.

Alan Aubrey is a Non-Executive Director of the Company and the CEO of IP Group.
As a result of these transactions, his direct holding in the issued share
capital of the Company has remained unchanged but his indirect holding has
increased from 0.108% to 0.109%.

IP Group now has a beneficial interest in 363,995,694 Ordinary Shares in the
Company, representing 25.34% of the issued share capital.

Enquiries:

Avacta Group plc                                    Tel: [phone]      
                                                                            
Alastair Smith, Chief Executive Officer                                     
                                                                            
Tim Sykes, Chief Financial Officer                                          
                                                                            
Broker - XCAP Securities Plc                        Tel: [phone]      
                                                                            
John Grant/Karen Kelly/David Newton                                         
                                                                            
NOMAD - Grant Thornton Corporate Finance            Tel: [phone]      
                                                                            
Philip Secrett/Colin Aaronson/David Hignell                                 
                                                                            
PR - NexFin                                                                 
                                                                            
Nicholas Nelson                                     Tel: [phone]      
                                                                            
[e-mail]                                                   

The Company's website is www.avacta.com