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:

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):

18 April 2010

 

6. Date on which issuer notified:

19 April 2010

 

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 shares Number of voting 
                                                     Rights           
                                                                      
B3WK547                                  14,160,536       14,160,536  
                                                                      
                                                                      
                                                                      

 

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
                                                                                     
B3WK547                              2,538,875   2,538,875 11,272,478 0.92   4.08    
                                                                                     

 

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  Expiration 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           
                                        
13,811,353             5.00%            
                                        

 

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 Bernstein          1,110,624        0.401793                 
                                                                      
Direct                                                                
                                                                      
Alliance Capital Management 1,415,032        0.511920                 
                                                                      
Direct                                                                
                                                                      
AXA Financial, Inc          9,162,616        3.314783                 
                                                                      
Indirect                                                              
                                                                      
AXA France                  1,525,383        0.551842                 
                                                                      
Indirect                                                              
                                                                      
AXA IM UK                   13,219           0.004782                 
                                                                      
Direct                                                                
                                                                      
AXA IM UK                   584,479          0.211448                 
                                                                      
Indirect                                                              
                                                                      
                                                                      
                                                                      
               Total Direct    2,538,875              0.91850         
                                                                      
             Total Indirect    11,272,478             4.07807         
                                                                      
                      TOTAL    13,811,353             4.99657         
                                                                      
                                                                      
                                                                      

 

 

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:

RACHEL FELL, DEPUTY SECRETARY, COOKSON GROUP PLC

 

15. Contact telephone number:

+  44 (0) 20 7822 0000