Director/PDMR Shareholding

NOTIFICATION OF TRANSACTIONS OF DIRECTORS, PERSONS DISCHARGING MANAGERIAL
RESPONSIBILITY OR CONNECTED PERSONS

This form is intended for use by an issuer to make a RIS notification required
by DR 3.3

 

(1)           An issuer making a notification in respect of a transaction
relating to the shares or debentures of the issuer should complete boxes 1 to
16, 23 and 24.

(2)           An issuer making a notification in respect of a derivative
relating the shares of the issuer should complete boxes 1 to 4, 6, 8, 13, 14,
16, 23 and 24.

(3)           An issuer making a notification in respect of options granted to
a director/person discharging managerial responsibilities should complete boxes
1 to 3 and 17 to 24.

(4)           An issuer making a notification in respect of a financial
instrument relating to the shares of the issuer (other than a debenture) should
complete boxes 1 to 4, 6, 8, 9, 11, 13, 14, 16, 23 and 24.

 

Please complete all relevant boxes should in block capital letters.

1.   Name of the issuer               2.   State whether the notification    
                                           relates to (i) a transaction      
                                           notified in accordance with DTR   
                                           3.1.2 R;                          
                                                                             
                                           (ii) a disclosure made in         
                                           accordance with LR 9.8.6 R(1), or;
                                                                             
                                           (iii) a disclosure made in        
                                           accordance with section 793 of the
                                           Companies act (2006)              
                                                                             
     Cookson Group plc                     (i) and (ii)                      
                                                                             
3.   Name of person discharging       4.   State whether notification relates
     managerial responsibilities/          to a person connected with a      
     director                              person discharging managerial     
                                           responsibilities/director named in
                                           3 and identify the connected      
                                           person                            
                                                                             
     Jeffery Francis Harris                In respect of Director named in 3,
                                           Jeffery Francis Harris            
                                                                             
5.   Indicate whether the             6.   Description of shares (including  
     notification is in respect of a       class), debentures or derivatives 
     holding of the person referred        or financial instruments relating 
     to in 3 or 4 above or in respect      to shares                         
     of a non-beneficial interest                                            
                                                                             
     In respect of Director named in       Ordinary £1 Shares                
     3, Jeffery Francis Harris                                               
                                                                             
7.   Name of registered shareholders  8    State the nature of the           
     (s) and, if more than one, the        transaction                       
     number of shares held by each of                                        
     them                                                                    
                                                                             
     Jeffery Francis Harris                Purchase of Shares          
                                                                             
9.   Number of shares, debentures or  10.  Percentage of issued class        
     financial instruments relating        acquired (treasury shares of that 
     to shares acquired                    class should not be taken into    
                                           account when calculating          
                                           percentage)                       
                                                                             
     10,000 Ordinary £1 Shares             Less than 0.004%                  
                                                                             
11.  Number of shares, debentures or  12.  Percentage of issued class        
     financial instruments relating        disposed (treasury shares of that 
     to shares disposed                    class should not be taken into    
                                           account when calculating          
                                           percentage)                       
                                                                             
     N/A                                   N/A                               
                                                                             
13.  Price per share or value of      14.  Date and place of transaction     
     transaction                                                             
                                                                             
     616.2358p                             28 June 2011, London              
                                                                             
15.  Total holding following          16.  Date issuer informed of           
     notification and total                transaction                       
     percentage holding following                                            
     notification (any treasury                                              
     shares should not be taken into                                         
     account when calculating                                                
     percentage)                                                             
                                                                             
     30,000 Ordinary £1 Shares, 0.01%      28 June 2011                      
                                                                             

 

If a person discharging managerial responsibilities has been granted options by
the issuer complete the following boxes

17   Date of grant                    18.  Period during which or date on   
                                           which it can be exercised        
                                                                            
                                                                            
                                                                            
19.  Total amount paid (if any) for   20.  Description of shares or         
     grant of the option                   debentures involved (class and   
                                           number)                          
                                                                            
                                                                            
                                                                            
21.  Exercise price (if fixed at time 22.  Total number of shares or        
     of grant) or indication that          debentures over which options    
     price is to be fixed at the time      held following notification      
     of exercise                                                            
                                                                            
                                                                            
                                                                            
23.  Any additional information       24.  Name of contact and telephone    
                                           number for queries               
                                                                            
                                           Silvana Glibota-Vigo, Company    
                                           Secretarial Assistant, Cookson   
                                           Group plc, 020 7822 0000         
                                                                            

 

Name and signature of duly authorised officer of issuer responsible for   
making notification                                                       
                                                                          
Silvana Glibota-Vigo, Company Secretarial Assistant, Cookson Group plc    
                                                                          
__________________________________________________________                
                                                                          
Date of notification 28 June 2011