Blocklisting - Interim Review

BLOCK LISTING SIX MONTHLY RETURN                        

Date: 13 December 2010

Name of applicant:                     Johnson Matthey plc                     
                                                                               
Name of scheme:                        1995 Overseas Executive Share Option    
                                       Scheme (Ref 96/2296d)                   
                                                                               
Period of return:                      From: 1 June 2010  To: 30 November 2010 
                                                                               
Balance of unallotted securities under                                  
scheme from previous return:           340,188                                        
                                                                               
The amount by which the block scheme                                        
has been increased since the date of                                           
the last return (if any increase has                                           
been applied for):                     Nil                                        
                                                                               
Number of securities issued/allotted                                        
under scheme during period:            Nil                                        
                                                                               
Balance under scheme not yet issued/   This block listing is no longer required
allotted at end of period              as there are no outstanding share       
                                       options under this scheme. This will be 
                                       the last Six Monthly Return.            

Name of contact: Angela Purtill, Deputy Company Secretary, Johnson Matthey plc 
Telephone number of contact: 020 7269 8461