Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES                                           
                                                                                         
1. Identity of the issuer or the underlying issuer of    CHEMRING GROUP PLC              
existing shares to which voting rights are attached:                                     
                                                                                         
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 notification  INVESCO LIMITED                   
obligation:                                                                              
                                                                                         
4. Full name of shareholder(s)  (if different from     N/A                               
3.):                                                                                     
                                                                                         
5. Date of the transaction and date on which the       12 SEPTEMBER 2010                 
threshold is crossed or reached:                                                         
                                                                                         
6. Date on which issuer notified:                      15 SEPTEMBER 2010                 
                                                                                         
7. Threshold(s) that is/are crossed or reached:        16%, 17%                          
                                                                                         
8. Notified details:                                                                     
                                                                                         
A: Voting rights attached to shares                                                      
                                                                                         
Class/type of       Situation previous to the   Resulting situation after the triggering 
shares              triggering transaction      transaction                              
                                                                                         
                    Number of   Number of       Number   Number of voting % of  voting   
                    Shares      Voting Rights   of       rights           rights         
if possible using                               shares                                   
the ISIN CODE                                                                            
                                                Direct   Direct Indirect  Direct Indirect
                                                                                         
GB0001904621        5,649,184   5,649,184                       6,003,152        17.01%  
                                                                                         
B: Qualifying Financial Instruments                                                      
                                                                                         
Resulting situation after the triggering transaction                                     
                                                                                         
Type of financial     Expiration date   Exercise/          Number of voting  % of voting 
instrument                              Conversion Period  rights that may   rights      
                                                           be acquired if                
                                                           the instrument is             
                                                           exercised/                    
                                                           converted.                    
                                                                                         
                                                                                         
                                                                                         
C: Financial Instruments with similar economic effect to Qualifying Financial            
Instruments                                                                              
                                                                                         
Resulting situation after the triggering transaction                                     
                                                                                         
Type of financial  Exercise Expiration date   Exercise/     Number of voting % of voting   
instrument         price                    Conversion    rights           rights        
                                            period        instrument                     
                                                          refers to                      
                                                                                         
                                                                                         
                                                                                         
                                                                           Nominal  Delta
                                                                                         
                                                                                         
                                                                                         
Total (A+B+C)                                                                            
                                                                                         
Number of voting rights                                 Percentage of voting rights      
                                                                                         
6,003,152                                               17.01%                           
                                                                                         

 

9. Chain of controlled undertakings through which the voting rights and/or the          
financial instruments are effectively held, if applicable:                              
                                                                                        
BROWN BROTHERS HARRIMAN, NEW JERSEY   2,549                                             
                                                                                        
BANK OF IRELAND (DUBLIN)        91,051                                                  
                                                                                        
BANK OF NEW YORK          4,262,122                                                     
                                                                                        
BANK OF NEW YORK MELLON      61,731                                                     
                                                                                        
BOSTON SAFE DEPOSIT       11,088                                                        
                                                                                        
CITIBANK (HONG KONG)    29,087                                                          
                                                                                        
JP MORGAN CHASE  70,163                                                                 
                                                                                        
HSBC BANK LONDON          136,637                                                       
                                                                                        
STATE STREET TRUST & BANKING CO (BOSTON)                      88,043                    
                                                                                        
STATE STREET TRUST & BANKING CO (LONDON)         624,471                                
                                                                                        
TRUST & CUSTODY SERVICES       1,494                                                    
                                                                                        
NORTHERN TRUST COMPANY, LONDON             39,000                                       
                                                                                        
INVESCO POWERSHARES CAPITAL MANAGEMENT LIMITED   658                                    
                                                                                        
INVESCO ADVSERS, INC.    585,058                                                        
                                                                                        
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:                                                    HELEN MARSH        
                                                                                        
15. Contact telephone number:                                        01489 864482