Blocklisting - Interim Review

BLOCK LISTING SIX MONTHLY RETURN                        

Date: 13 December 2010

Name of applicant:                     Johnson Matthey plc                     
                                                                               
Name of scheme:                        2001 Executive Share Option Scheme Part 
                                       A/B                                     
                                                                               
Period of return:                      From: 1 June 2010 To: 30 November 2010 
                                                                               
Balance of unallotted securities under 
scheme from previous return:           901,444                                 
                                                 
                                                                               
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/                                    
allotted at end of period              901,444                                        



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