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

8.25p Cumulative Redeemable Convertible Preference Shares

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

136,000,510 preference shares of 25p

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

8,957,454 preference shares of 25p

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

127,043,056 preference shares of 25p

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

52,400,000 ordinary shares of 25p to be converted into 8.25p Cumulative
Redeemable Convertible Preference Shares of 25p with a conversion rate of
37.0793 per share.

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

47,122,128 preference 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

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                      This information is provided by RNS
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