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):
                                                            
    02 November 2009                                                    
                                                            
6   Date on which issuer notified:                                               
                                                            
    04 November 2009                                                    
                                                            
7   Threshold(s) that is/are crossed or reached:                                                
                                                            
    From 3% - 4% (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: 8,536,386                                               
                                                            
    Number of voting rights: 8,536,386                                               
                                                            
    Resulting situation after the triggering transaction:                                            
                                                            
    Number of shares (direct): 8,643,962                                               
                                                            
    Number of voting rights (direct): 8,643,962                                               
                                                            
    Number of voting rights (indirect):                                             
                                                            
    % of voting rights (direct): 4.02%                                         
                                                            
    % of voting rights (indirect):                                             
                                                            
    Total voting rights: 8,643,962 (4.02%)                                                 
                                                            
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) (8,643,962-4.02% = LGAS, LGPL & PMC)
                                                        
    Legal & General Investment Management (Holdings)         Legal & General Insurance Holdings
    Limited (Direct) (LGIMHD) (7,887,709 - 3.67% = PMC)      Limited (Direct) (LGIH) 
                                          
                                                            
    Legal & General Assurance (Pensions Management)          Legal & General Assurance Society Limited (LGAS & LGPL)
    Limited (PMC) (7,887,709 - 3.67% = PMC)

                                                             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