Additional Listing

Slough Estates PLC
21 April 2006



                               Slough Estates plc
                              --------------------

Application has been made to the Financial Services Authority and the London
Stock Exchange Plc for a total of 300,000 ordinary shares of 25p each ('shares')
to be admitted to the Official List.

It is expected that admission will be granted on 26 April 2006 and trading will
commence on 27 April 2006.

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


Scheme                                                              Shares

1981 Savings-Related Share Option Scheme                           300,000



These shares will rank pari passu with the existing Ordinary shares.




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