Holding(s) in Company

For filings with the FSA include the annex                                              
                                                                                        
For filings with issuer exclude the annex                                               
                                                                                        
                                                                                        
                                                                                        
TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi                                         
                                                                                        
                                                                                        
                                                                                        
1. Identity of the issuer or the underlying issuer                                      
of existing shares to which voting rights are                           Avacta Group Plc
attached:ii                                                                             
                                                                                        
2 Reason for the notification (please tick the appropriate box or boxes):               
                                                                                        
An acquisition or disposal of voting rights                                            x
                                                                                        
An acquisition or disposal of qualifying financial instruments which may result         
in the acquisition of shares already issued to which voting rights are attached         
                                                                                        
An acquisition or disposal of instruments with similar economic effect to               
qualifying financial instruments                                                        
                                                                                        
An event changing the breakdown of voting rights                                        
                                                                                        
Other (please specify):                                                                 
                                                                                        
3. Full name of person(s) subject to the                          ORA (Guernsey) Limited
notification obligation:iii                                                             
                                                                                        
4. Full name of shareholder(s)                                                          
 (if different from 3.):iv                                                              
                                                                                        
5. Date of the transaction and date on                                                  
which the threshold is crossed or                                       22 December 2010
reached: v                                                                              
                                                                                        
6. Date on which issuer notified:                                       24 December 2010
                                                                                        
7. Threshold(s) that is/are crossed or                                                6%
reached: vi, vii                                                                        
                                                                                        


 

8. Notified details:                                                                                
                                                                                                    
A: Voting rights attached to shares viii, ix                                                        
                                                                                                    
Class/    Situation previous               Resulting situation after the triggering transaction     
type of   to the triggering                                                                         
shares    transaction                                                                               
                                                                                                    
                                                                                                    
if        Number              Number       Number     Number of voting       % of  voting rights    
possible  of                  of           of shares  rights                 x                      
using     Shares              Voting                                                                
the ISIN                      Rights                                                                
CODE                                                             Indirect                           
                                           Direct     Direct xi  xii         Direct   Indirect      
                                                                                                    
                                                                                                    
Ordinary                                                                                            
0.1p                                                                                                
shares                                                                                              
                                                                                                    
          5,000,000           5,000,000    93,824,131 93,824,131             6.531%                 
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
B: Qualifying Financial Instruments                                                                 
                                                                                                    
Resulting situation after the triggering transaction                                                
                                                                                                    
Type of      Expiration        Exercise/                Number of voting           % of voting      
financial    date xiii         Conversion Period xiv    rights that may be         rights           
instrument                                              acquired if the                             
                                                        instrument is                               
                                                        exercised/ converted.                       
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
C: Financial Instruments with similar economic effect to Qualifying Financial                       
Instruments xv, xvi                                                                                 
                                                                                                    
Resulting situation after the triggering transaction                                                
                                                                                                    
Type of     Exercise price    Expiration Exercise/   Number of voting rights    % of voting         
financial                     date xvii  Conversion  instrument refers to       rights xix, xx      
instrument                               period                                                     
                                         xviii                                                      
                                                                                                    
                                                                                Nominal  Delta      
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
                                                                                                    
Total (A+B+C)                                                                                       
                                                                                                    
Number of voting rights                         Percentage of voting rights                         
                                                                                                    
93,824,131                                      6.531%                                              
                                                                                                    


 

9. Chain of controlled undertakings through which the voting rights and/or the          
financial instruments are effectively held, if applicable: xxi                          
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
Proxy Voting:                                                                           
                                                                                        
10. Name of the proxy holder:                                                           
                                                                                        
11. Number of voting rights proxy holder will cease                                     
to hold:                                                                                
                                                                                        
12. Date on which proxy holder will cease to hold                                       
voting rights:                                                                          
                                                                                        
                                                                                        
                                                                                        
                                                                                        
13. Additional information:                                                             
                                                                                        
14. Contact name:                                                             Chris Hill
                                                                                        
15. Contact telephone number:                                                07875303242
                                                                                        


 

Note: Annex should only be submitted to the FSA not the issuer                          
                                                                                        
Annex: Notification of major interests in sharesxxii                                    
                                                                                        
                                                                                        
                                                                                        
A: Identity of the persons or legal entity subject to the notification                  
obligation                                                                              
                                                                                        
Full name                                                                               
                                                                                        
(including legal form of legal entities)                                                
                                                                                        
                                                                                        
                                                                                        
Contact address                                                                         
                                                                                        
(registered office for legal entities)                                                  
                                                                                        
                                                                                        
                                                                                        
Phone number & email                                                                    
                                                                                        
                                                                                        
                                                                                        
Other useful information                                                                
                                                                                        
(at least legal representative for legal persons)                                       
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                        
B: Identity of the notifier, if applicable                                              
                                                                                        
Full name                                                                               
                                                                                        
                                                                                        
                                                                                        
Contact address                                                                         
                                                                                        
                                                                                        
                                                                                        
Phone number & email                                                                    
                                                                                        
                                                                                        
                                                                                        
Other useful information                                                                
                                                                                        
(e.g. functional relationship with the person or legal entity subject to the            
notification obligation)                                                                
                                                                                        
                                                                                        
                                                                                        
C: Additional information                                                               
                                                                                        
                                                                                        
                                                                                        
For notes on how to complete form TR-1 please see the FSA website.