Total Voting Rights

Avacta Group plc (the "Company")                        

                              Total Voting Rights                              

For the purposes of the provisions of the Financial Services Authority's
Disclosure and Transparency Rules, the total number of ordinary shares of 0.1p
each in the capital of the Company in issue as at the date of this notice is
800,432,077 with each share carrying the right to one vote.

There are no shares held in treasury.

Therefore, the total number of voting rights in the Company is 800,432,077.

The above figure may be used by shareholders of the Company as the denominator
for the calculations by which they will determine if they are required to
notify their interest in, or a change to their interest in, the share capital
of the Company under the Disclosure and Transparency Rules.

                                                             31st December 2007

For further information please contact:

Tim Sykes, Chief Financial      Avacta Group plc          Tel: [phone]   
Officer                                                                        
                                                                               
David Youngman                  WH Ireland Limited        Tel: [phone]