Holding(s) in Company

NOTIFICATION OF MAJOR INTERESTS IN SHARES

1   Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: 
                                                            
    Johnson Matthey  plc                                                     
                                                            
2   Reason for the notification:                                           
                                                            
    An acquisition or disposal of voting rights                                           
                                                            
3   Full name of person(s) subject to the notification obligation:                                             
                                                            
    Legal & General Group Plc (L&G)                                         
                                                            
4   Full name of shareholder(s)(if different from 3.):                                               
                                                            
    Legal & General Assurance (Pensions Management) Limited (PMC)                                           
                                                            
5   Date of the transaction (and date on which the threshold is crossed or reached if different): 
                                                            
    12 November 2009                                                    
                                                            
6   Date on which issuer notified:                                               
                                                            
    16 November 2009                                                    
                                                            
7   Threshold(s) that is/are crossed or reached:                                                
                                                            
    From 4% - 3% (L&G)                                                     
                                                            
8   Notified details:                                                
                                                            
    VOTING RIGHTS ATTACHED TO SHARES:                                                 
                                                            
    Class/type of shares (if possible using the ISIN CODE):                                         
                                                            
    ORD GBP 1                                               
                                                            
    Situation previous to the triggering transaction:                                            
                                                            
    Number of shares: 8,643,962                                               
                                                            
    Number of voting rights: 8,643,962                                               
                                                            
    Resulting situation after the triggering transaction:                                            
                                                            
    Number of shares (direct):  8,581,762                                               
                                                            
    Number of voting rights (direct): 8,581,762                                               
                                                            
    Number of voting rights (indirect):                                             
                                                            
    % of voting rights (direct): 3.99%                                         
                                                            
    % of voting rights (indirect):                                             
                                                            
    Total voting rights: 8,581,762 (3.99%)                                                 
                                                            
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)                                                 
                                                            
    Legal & General Investment Management (Holdings) Limited (LGIMH) (Direct and Indirect)  
                                                            
    Legal & General Investment Management Limited (Indirect) (LGIM)                                                  
                                                            
                        Legal & General Group Plc (Direct) (L&G)(8,581,762 - 3.99% = LGAS,LGPL & PMC)
                                                            
    Legal & General Investment Management (Holdings)           Legal & General Insurance Holdings Limited  
    Limited (Direct) (LGIMHD) (7,825,509 - 3.64% = PMC)        (Direct) (LGIH)                                      
                                                         
    Legal & General Assurance (Pensions Management)            Legal & General Assurance Society Limited  
    Limited (PMC)  (7,825,509 -  3.64% = PMC)                  (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:
                                                            
    Notification using the total voting rights figure of 214,675,736 
                                                            
14  Contact Name: Angela Purtill, Deputy Company Secretary, Johnson Matthey plc 
                                                            
    Contact Telephone Number: 020 7269 8461