Additional Listing

Slough Estates PLC
11 June 2003

11 June 2003




                               Slough Estates plc

                              --------------------



Application has been made to the Financial Services Authority and the London
Stock Exchange Plc for a total of 2,500,000 ordinary shares of 25p each
('shares') to be admitted to the Official List.



It is expected that admission will be granted on 13 June 2003 and trading will
commence on 16 June 2003.



These shares are being reserved under a block listing and will be issued
pursuant to the following scheme:


                     Scheme                                          Shares

1994 Slough Estates plc Executive Share Option Scheme (No. 2)        2,500,000



When issued these shares will rank pari passu with the existing Ordinary shares.




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