Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES

 

1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:

COOKSON GROUP PLC

 

2. Reason for the notification (please state Yes/No):

 

An acquisition or disposal of voting rights: ( Yes)

 

An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached: (   
)

 

An event changing the breakdown of voting rights: (    )

 

Other (please specify): (       )

 

3. Full name of person(s) subject to the notification obligation:

FIL Limited (FIL)

 

4. Full name of shareholder(s) (if different from 3.):

See section 9

 

5. Date of the transaction (and date on which the threshold is crossed or
reached if different):

3 March 2009

 

6. Date on which issuer notified:

5 March 2009

 

7. Threshold(s) that is/are crossed or reached:

5%, 10%, 11%

 

8. Notified details:

……………..

 

A: Voting rights attached to shares

 

Class/type of shares if possible        Situation previous to the     
using the ISIN CODE                       Triggering transaction      
                                                                      
                                    Number of shares Number of voting 
                                                     Rights           
                                                                      
ISIN GB00B07V4P80                        7,507,073         7,507,073  
                                                                      
                                                                      
                                                                      

 

Resulting situation after the triggering transaction

 

Class/type of shares if possible      Number of   Number of voting    % of voting    
using the ISIN CODE                   shares      rights              rights         
                                                                                     
                                      Direct      Direct     Indirect Direct Indirect
                                                                                     
ISIN GB00B07V4P80                     24,048,837  24,048,837          11.31          
                                                                                     

 

B: Financial Instruments

Resulting situation after the triggering transaction

 

Type of      Expiration Exercise/      Number of voting rights that may be   % of    
financial    Date       Conversion     acquired if the instrument is         voting  
instrument              Period/ Date   exercised/ converted.                 rights  
                                                                                     
                                                                                     
                                                                                     
                                      N/A                                            
                                                                                     

 

Total (A+B)

Number of voting       % of voting      
rights                 rights           
                                        
24,048,837             11.31            
                                        

 

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:

 

FIL                                                                                       
                                                                                          
                                                                                          
                                                                                          
Issue name:                            Cookson Group                                      
                                       plc                                                
                                                                                          
                                                                                          
                                                                                          
Current ownership percentage:                     11.31%                                  
                                                                                          
Total shares held:                            24,048,837                                  
                                                                                          
Issued share capital:                        212,607,762                                  
                                                                                          
                                                                                          
                                                                                          
FIL Limited (FIL) is the parent holding company for  SHARES HELD NOMINEE        MANAGEMENT
various direct and indirect subsidiaries, including                             COMPANY   
FIL Fund Management Limited (FFML), FIL Investment                                        
Services Ltd (FISL), FIL Gestion (FIGEST), FIL Asset 1,352,865   BNP PARIBAS,   FIGEST    
Management (Korea) Limited (FIAKL), FIL Investments              PARIS                    
Management (Hong Kong) Limited (FIMHK), FIL Pension                                       
Management (FPM), Fidelity Investments Japan (FIJ)   1,001,000   BROWN BROS     FIL       
and FIL Investments International (FII), investment              HARRIMN LTD              
managers for various non-US companies and                        LUX                      
institutional clients.                                                                    
                                                     2,093,264   JP MORGAN,     FII       
                                                                 BOURNEMOUTH              
                                                                                          
                                                     2,440       JP MORGAN,     FIL       
                                                                 BOURNEMOUTH              
                                                                                          
                                                     19,293,368  JP MORGAN,     FISL      
                                                                 BOURNEMOUTH              
                                                                                          
                                                     305,900     JP MORGAN,     FIL       
                                                                 BOURNEMOUTH              
                                                                 (C)                      
                                                                                          

 

 

Proxy Voting:

 

10. Name of the proxy holder:

FIL Limited (FIL)

 

11. Number of voting rights proxy holder will acquire:

16,541,764

 

12. Date on which proxy holder will acquire voting rights:

3 March 2009

 

13. Additional information:

Please note that percentages given in this announcement are based on the
company's undiluted total number of voting rights pre rights issue of
212,607,762. The company's current total number of voting rights post rights
issue is 2,763,900,906. If this holding were calculated on the basis of the
company's current total number of voting rights post rights issue, the
percentage would be 0.87%.

 

 

14. Contact name:

RACHEL FELL, DEPUTY SECRETARY, COOKSON GROUP PLC

 

15. Contact telephone number:

+  44 (0) 20 7822 0000