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 qualifying financial instruments which may result
in the acquisition of shares already issued to which voting rights are
attached: ( No )

 

An acquisition or disposal of instruments with similar economic effect to
qualifying financial instruments: (No)

 

An event changing the breakdown of voting rights: ( No )

 

Other (please specify) ( No )

 

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

AXA S.A., 25 Avenue Matignon, 75008 Paris and its group of companies

 

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

 

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

3 June 2011

 

6. Date on which issuer notified:

    6 June 2011

 

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

5%

 

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     Number of voting   
                                     shares        Rights             
                                                                      
B3WK547                                    12,914,916                 
                                                       12,914,916     
                                                                      

 

Resulting situation after the triggering transaction

 

Class/type of shares if possible using Number of    Number of voting  % of voting    
the ISIN CODE                          shares       rights            rights         
                                                                                     
                                       Direct       Direct Indirect   Direct Indirect
                                                                                     
B3WK547                                50,578       50,578 14,716,579 0.02   5.32    
                                                                                     

 

B: Qualifying 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                                            
                                                                                     

 

C: Financial Instruments with similar economic effect to Qualifying Financial
Instruments

Resulting situation after the triggering transaction

 

Type of financial  Exercise  Expiration Exercise/         Number of voting rights       % of voting  
instrument         price     date       Conversion period instrument refers to          rights       
                                                                                                     
                                                                                                     
                                                                                                     
                                                                                        Nominal Delta
                                                                                                     
                                      N/A                                                            
                                                                                                     

 

Total (A+B+C)

Number of voting       % of voting      
rights                 rights           
                                        
14,767,157             5.34             
                                        

 

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

 

Name of the Company / Fund  Number of Shares % of issued share capital
                                                                      
Alliance Capital Management     680,782              0.246271         
                                                                      
                                                                      
                                                                      
Indirect                                                              
                                                                      
AXA Colonia Konzern              50,578              0.018296         
                                                                      
                                                                      
                                                                      
Direct                                                                
                                                                      
AXA Financial, Inc             11,478,542            4.152334         
                                                                      
                                                                      
                                                                      
Indirect                                                              
                                                                      
AXA IM Paris                   1,840,030             0.665626         
                                                                      
                                                                      
                                                                      
Indirect                                                              
                                                                      
AXA IM UK                       290,065              0.104930         
                                                                      
                                                                      
                                                                      
Indirect                                                              
                                                                      
AXA Rosenberg                   427,160              0.154524         
                                                                      
                                                                      
                                                                      
Indirect                                                              
                                                                      
                                                                      
                                                                      
Total Direct                     50,578               0.01830         
                                                                      
Total Indirect                 14,716,579             5.32369         
                                                                      
TOTAL                          14,767,157             5.34198         
                                                                      

 

 

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:

SILVANA GLIBOTA-VIGO, COMPANY SECRETARIAL ASSISTANT, COOKSON GROUP PLC

 

15. Contact telephone number:

+ 44 (0)20 7822 0000