Blocklisting Interim Review

Johnson Matthey PLC
14 June 2005

                                SCHEDULE 5

                        BLOCK LISTING SIX MONTHLY RETURN



To:         Listing Applications
            UK Listing Authority
            Financial Services Authority
            25, The North Colonnade
            Canary Wharf
            London, E14 5HS


AVS No:

               Please ensure the entries on this return are typed

1.        Name of company  JOHNSON MATTHEY PLC

2.        Name of scheme  JM-COOKSON MATTHEY CERAMICS EXECUTIVE SHARE 
          OPTION SCHEME - Ref 96/2296e

3.        Period of return:    From    1 December 2004    to  31 May 2005

4.        Number and class of share(s) (amount of stock/ 148,171
          debt security) not issued under scheme

5.        Number of shares issued/allotted under scheme  792
          during period:

6.        Balance under scheme not yet issued/allotted   147,379
          at end of period

7.        Number and class of share(s) (amount of stock/ 250,000 - 12 June 1996
          debt securities) originally listed and the
          date of admission;


Please confirm total number of shares in issue at the end of the period in 
order for us to update our records

219,535,983


Contact for queries:       Address:
Name:  Angela Purtill      Johnson Matthey plc, 
                           2-4 Cockspur St., 
                           Trafalgar Sq.,
                           London SW1Y 5BQ
Telephone:  [phone]

Person making return

Name:  Simon Farrant

Position:  Company Secretary

Signature:


                      This information is provided by RNS
            The company news service from the London Stock Exchange