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: ( 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:

 

Governance for Owners LLP

 

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

 

Governance for Owners European Focus Fund 1  717,661

 

Governance for Owners European Focus Fund 2  1,646,927

 

Governance for Owners European Focus Fund 3  2,488,681

 

Governance for Owners European Focus Fund 4  3,152,771

 

Governance for Owners European Focus Fund 5  119,419

 

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

22 April 2010

 

6. Date on which issuer notified:

26 April 2010

 

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

3%

 

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          
                                                                      
Ordinary                                                              
                                                                      
GB00B3WK5475                             9,791,601         9,791,601  
                                                                      

 

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    Indirect Direct Indirect
                                                                                     
Ordinary                                                                             
                                                                                     
GB00B3WK5475                           8,125,459   8,125,459          2.9            
                                                                                     

 

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           
                                        
8,125,459              2.9              
                                        

 

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

 

See Section 4

 

Proxy Voting:

 

10. Name of the proxy holder:

 

See Section 3

 

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