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 OVERSEAS EXECUTIVE SHARE

                                OPTION SCHEME - Ref 96/2296f

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

4.        Number and class of share(s) (amount of stock 340,885
          /debt security) not issued under scheme

5.        Number of shares issued/allotted under scheme 2,060
          during period:

6.        Balance under scheme not yet issued/allotted  338,825
          at end of period

7.        Number and class of share(s) (amount of stock 500,000 - 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