Blocklisting Interim Review

Slough Estates PLC
14 July 2005


                                   SCHEDULE 5

                        BLOCKLISTING SIX MONTHLY RETURN

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

               Please ensure the entries on this return are typed

1. Name of company

Slough Estates plc

2. Name of scheme

1994 Approved Executive Share Option Scheme (No 1)

3. Period of return:

From   01.01.2005   To  30.06.2005

4. Number and class of shares(s) (amount of stock / debt security) not issued
under scheme

408,402 ordinary shares of 25p

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

10,634 ordinary shares of 25p

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

397,768 ordinary shares of 25p

7. Number and class of share(s) (amount of stock / debt securities) originally
listed and the date of admission;

500,000 ordinary shares of 25p A/3602/1997
500,000 ordinary shares of 25p RA/Slough Estates plc/00016

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

422,813,075 ordinary shares of 25p

Contact for queries

Name         Anne-Marie Norman

Address      Slough Estates plc, 234 Bath Road, Slough, SL1 4EE

Telephone    [phone]

Person making the return

Name         Anne-Marie Norman

Position     Company Secretarial Assistant

Signature

The FSA does not give any express or implied warranty as to the accuracy of this
document or material and does not accept any liability for error or omission.
The FSA is not liable for any damages (including, without limitation, damages
for loss of business or loss of profits) arising in contract, tort or otherwise
from the use of or inability to use this document, or any material contained in
it, or from any action or decision taken as a result of using this document or
any such material.




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