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:

LEGAL & GENERAL GROUP PLC (GROUP)

LEGAL & GENERAL INVESTMENT MANAGEMENT LIMITED (LGIM)

 

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

LEGAL & GENERAL ASSURANCE (PENSIONS MANAGEMENT) LIMITED (PMC)

LEGAL & GENERAL GROUP PLC (L&G)

 

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

30 APRIL 2008

 

6. Date on which issuer notified:

1 MAY 2008

 

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

BELOW 5% (GROUP)

BELOW 5% (LGIM)

 

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               
                                                                      
                                                                      
ORD GBP 0.10                        10,902,125        10,902,125      
                                                                      

 

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
                                                                                     
                                                                                     
ORD GBP 0.10                                              BELOW 5%                   
                                                                                     

 

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           
                                        
                                        
                BELOW 5%                
                                        

 

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

 

Legal & General Group Plc (Direct and Indirect)                                
(Group) (Below 5% = Total Position)                                            
                                                                               
                                                                               
                                                                               
Legal & General Investment Management (Holdings)                               
Limited (LGIMH) (Direct and Indirect)  (Below 5% =                             
Total Position)                                                                
                                                                               
                                                                               
                                                                               
Legal & General Investment Management Limited                                  
(Indirect) (Below 5% = Total Position)                                         
                                                                               
                                                                               
                                                                               
  Legal & General Group Plc (Direct) (L&G) (9,886,744 - 4.65 % = LGAS, LGPL &  
                                     PMC)                                      
                                                                               
                                                                               
                                                                               
Legal & General Investment Management (Holdings)    Legal & General Insurance  
Limited (Direct) (LGIMHD) (8,937,558 - 4.20 % =     Holdings Limited (Direct)  
PMC)                                                (LGIH)                     
                                                                               
                                                                               
                                                                               
Legal & General Assurance (Pensions Management)     Legal & General Assurance  
Limited  (PMC) (8,937,558 - 4.20 % = PMC)           Society Limited  (LGAS &   
                                                    LGPL)                      
                                                                               
                                                    Legal & General Pensions   
                                                    Limited (Direct)  (LGPL)   
                                                                               
                                                                               
                                                                               

 

Proxy Voting:

 

10. Name of the proxy holder:

       N/A

                       

11. Number of voting rights proxy holder will cease to hold:

      N/A

 

12. Date on which proxy holder will cease to hold voting rights:

 N/A

 

13. Additional information:

 

 

14. Contact name:

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

 

15. Contact telephone number:

020 7822 0000