Blocklisting Interim Review

Johnson Matthey PLC
27 June 2006

                        BLOCK LISTING SIX MONTHLY RETURN





To:  The FSA



Date: 19 June 2006


Name of applicant:                                         Johnson Matthey PLC

Name of scheme:                                            1985 Executive Share Option Scheme 
                                                           (Ref 91/100 &  Ref 96/2296a)

Period of return:                           From:          1 December 2005        To:        31 May 2006

Balance under scheme from previous return:                 58,310

The amount by which the block scheme has been increased,   0
if the scheme has been increased since the date of the
last return:

Number of securities issued/allotted under scheme during   0
period:

Balance under scheme not yet issued/allotted at end of     58,310
period

Number and class of securities originally listed and the   3,015,300 - Ref 91/100
date of admission                                          1,350,000 - Ref 96/2296a - 12 June 1996

Total number of securities in issue at the end of the      220,315,438
period


Name of contact:                                           Angela Purtill, Assistant Company Secretary

Address of contact:                                        Johnson Matthey PLC, 40-42 Hatton Garden, London EC1N 8EE

Telephone number of contact:                               020 7269 8461





SIGNED BY   ______________________________________________

     Director/company secretary/suitably experienced employee/duly authorised officer, 
     for and on behalf of



     Johnson Matthey PLC
     Name of applicant



If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.





                        BLOCK LISTING SIX MONTHLY RETURN



To:  The FSA



Date: 19 June 2006


Name of applicant:                                         Johnson Matthey PLC

Name of scheme:                                            JM-Cookson Matthey Ceramics Executive Share Option Scheme
                                                           (Ref 96/2296e)

Period of return:                           From:          1 December 2005        To:        31 May 2006

Balance under scheme from previous return:                 146,135

The amount by which the block scheme has been increased,   0
if the scheme has been increased since the date of the
last return:

Number of securities issued/allotted under scheme during   0
period:

Balance under scheme not yet issued/allotted at end of     146,135
period

Number and class of securities originally listed and the   250,000 - 12 June 1996
date of admission

Total number of securities in issue at the end of the      220,315,438
period


Name of contact:                                           Angela Purtill, Assistant Company Secretary

Address of contact:                                        Johnson Matthey PLC, 40-42 Hatton Garden, London EC1N 8EE

Telephone number of contact:                               020 7269 8461







SIGNED BY   ______________________________________________

     Director/company secretary/suitably experienced employee/duly authorised officer, 
     for and on behalf of



     Johnson Matthey PLC
     Name of applicant




If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.





                        BLOCK LISTING SIX MONTHLY RETURN



To:  The FSA



Date: 19 June 2006



Name of applicant:                                         Johnson Matthey PLC

Name of scheme:                                            1995 Approved Executive Share Option Scheme (Ref 96/2296b)

Period of return:                           From:          1 December 2005        To:        31 May 2006

Balance under scheme from previous return:                 199,391

The amount by which the block scheme has been increased,   N/A
if the scheme has been increased since the date of the
last return:

Number of securities issued/allotted under scheme during   69,186
period:

Balance under scheme not yet issued/allotted at end of     130,205
period

Number and class of securities originally listed and the   1,000,000 - 12 June1996
date of admission                                          786,000 - 3 October 2003

Total number of securities in issue at the end of the      220,315,438
period


Name of contact:                                           Angela Purtill, Assistant Company Secretary

Address of contact:                                        Johnson Matthey PLC, 40-42 Hatton Garden, London EC1N 8EE

Telephone number of contact:                               020 7269 8461



SIGNED BY   ______________________________________________

     Director/company secretary/suitably experienced employee/duly authorised officer, 
     for and on behalf of



     Johnson Matthey PLC
     Name of applicant




If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.









                        BLOCK LISTING SIX MONTHLY RETURN



To:  The FSA



Date: 19 June 2006


Name of applicant:                                         Johnson Matthey PLC

Name of scheme:                                            1995 Overseas Executive Share Option Scheme (Ref: 96/2296d)

Period of return:                           From:          1 December 2005        To:        31 May 2006

Balance under scheme from previous return:                 754,969

The amount by which the block scheme has been increased,   N/A
if the scheme has been increased since the date of the
last return:

Number of securities issued/allotted under scheme during   330,430
period:

Balance under scheme not yet issued/allotted at end of     424,539
period

Number and class of securities originally listed and the   3,000,000 - 12 June1996
date of admission                                          3,344,000 - 3 October 2003

Total number of securities in issue at the end of the      220,315,438
period


Name of contact:                                           Angela Purtill, Assistant Company Secretary

Address of contact:                                        Johnson Matthey PLC, 40-42 Hatton Garden, London EC1N 8EE

Telephone number of contact:                               020 7269 8461





SIGNED BY   ______________________________________________

     Director/company secretary/suitably experienced employee/duly authorised officer, 
     for and on behalf of



     Johnson Matthey PLC
     Name of applicant




If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.



                        BLOCK LISTING SIX MONTHLY RETURN



To:  The FSA



Date: 19 June 2006


Name of applicant:                                         Johnson Matthey PLC

Name of scheme:                                            2001 Executive Share Option Scheme Part A/B

Period of return:                           From:          1 December 2005        To:        31 May 2006

Balance under scheme from previous return:                 1,189,995

The amount by which the block scheme has been increased,   0
if the scheme has been increased since the date of the
last return:

Number of securities issued/allotted under scheme during   53,714
period:

Balance under scheme not yet issued/allotted at end of     1,136,281
period

Number and class of securities originally listed and the   1,200,000 - 2 October 2003
date of admission

Total number of securities in issue at the end of the      220,315,438
period


Name of contact:                                           Angela Purtill, Assistant Company Secretary

Address of contact:                                        Johnson Matthey PLC, 40-42 Hatton Garden, London EC1N 8EE

Telephone number of contact:                               020 7269 8461





SIGNED BY   ______________________________________________

     Director/company secretary/suitably experienced employee/duly authorised officer, 
     for and on behalf of



     Johnson Matthey PLC
     Name of applicant




If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.





                        BLOCK LISTING SIX MONTHLY RETURN







To:  The FSA



Date: 19 June 2006


Name of applicant:                                         Johnson Matthey PLC

Name of scheme:                                            US Executive Stock Option Plan (Ref 96/2296d)

Period of return:                           From:          1 December 2005        To:        31 May 2006

Balance under scheme from previous return:                 40,940

The amount by which the block scheme has been increased,   0
if the scheme has been increased since the date of the
last return:

Number of securities issued/allotted under scheme during   0
period:

Balance under scheme not yet issued/allotted at end of     40,940
period

Number and class of securities originally listed and the   420,000 - 12 June 1996
date of admission

Total number of securities in issue at the end of the      220,315,438
period


Name of contact:                                           Angela Purtill, Assistant Company Secretary

Address of contact:                                        Johnson Matthey PLC, 40-42 Hatton Garden, London EC1N 8EE

Telephone number of contact:                               020 7269 8461





SIGNED BY   ______________________________________________

     Director/company secretary/suitably experienced employee/duly authorised officer, 
     for and on behalf of



     Johnson Matthey PLC
     Name of applicant



If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.





                        BLOCK LISTING SIX MONTHLY RETURN



To:  The FSA



Date: 19 June 2006


Name of applicant:                                         Johnson Matthey PLC

Name of scheme:                                            JM-Cookson Matthey Ceramics Overseas Executive Share Option
                                                           Scheme (Ref 96/2296f)

Period of return:                           From:          1 December 2005        To:        31 May 2006

Balance under scheme from previous return:                 338,825

The amount by which the block scheme has been increased,   0
if the scheme has been increased since the date of the
last return:

Number of securities issued/allotted under scheme during   0
period:

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

Number and class of securities originally listed and the   500,000 - 12 June 1996
date of admission

Total number of securities in issue at the end of the      220,315,438
period


Name of contact:                                           Angela Purtill, Assistant Company Secretary

Address of contact:                                        Johnson Matthey PLC, 40-42 Hatton Garden, London EC1N 8EE

Telephone number of contact:                               020 7269 8461



SIGNED BY   ______________________________________________

     Director/company secretary/suitably experienced employee/duly authorised officer, 
     for and on behalf of



     Johnson Matthey PLC
     Name of applicant




If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.





                        BLOCK LISTING SIX MONTHLY RETURN





To:  The FSA



Date: 19 June 2006


Name of applicant:                                         Johnson Matthey PLC

Name of scheme:                                            Meconic 1995 Approved Share Option Scheme

Period of return:                           From:          1 December 2005        To:        31 May 2006

Balance under scheme from previous return:                 2,770

The amount by which the block scheme has been increased,   0
if the scheme has been increased since the date of the
last return:

Number of securities issued/allotted under scheme during   392
period:

Balance under scheme not yet issued/allotted at end of     2,378
period

Number and class of securities originally listed and the   61,677 - 3 October 2003
date of admission

Total number of securities in issue at the end of the      220,315,438
period


Name of contact:                                           Angela Purtill, Assistant Company Secretary

Address of contact:                                        Johnson Matthey PLC, 40-42 Hatton Garden, London EC1N 8EE

Telephone number of contact:                               020 7269 8461





SIGNED BY   ______________________________________________

     Director/company secretary/suitably experienced employee/duly authorised officer, 
     for and on behalf of



     Johnson Matthey PLC
     Name of applicant




If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.




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            The company news service from the London Stock Exchange