Annual Information Update

Slough Estates PLC
26 April 2006



Slough Estates plc
Annual Information Update

In accordance with Prospectus Rule 5.2, Slough Estates plc announces that the
following regulatory announcements and  statutory filings have been made via the
Regulatory News Service and/or filed at Companies House, as applicable,  between
20 April 2005 and 20 April 2006.

The information referred to in this update was up to date at the time the
information was published but some  information may now be out of date.

Announcements made via RNS, a Regulatory Information Service.


All of the documents listed below were published via RNS, a Regulatory
Information Service

20/04/05  Statement re Letting at Point Grand, South San Francisco
27/04/05  Statement re Acquisition Portsmouth
27/04/05  Slough Estates acquires major development site in Portsmouth

04/05/05  Statement re sale of Quail West
04/05/05  Employees' Benefit Trust
04/05/05  Director Shareholding
10/05/05  Statement re purchase of Heathrow development site
10/05/05  Slough Estates buys 3.4 hectare development site in Heathrow
10/05/05  Exchange Offers and Proposals
17/05/05  AGM Statement
17/05/05  Slough Estates makes 'active' start to 2005
17/05/05  AGM Statement
19/05/05  Directorate Change
23/05/05  Directorate Change
25/05/05  Further re Exchange Offers
24/05/05  Statement re Major office letting in Slough
27/05/05  Slough Estates secures major office letting to LG Electronics

01/06/05  Holding(s) in Company
03/06/05  Director Shareholding
03/06/05  Director Shareholding
08/06/05  Results of Meetings
09/06/05  Further re Exchange Offers
16/05/06  Additional Listing
17/06/05  Listing Particulars
17/06/05  Listing Particulars
20/06/05  Completion of Exchange Offers
20/06/05  Statement re Completion of Exchange Offers
28/06/05  Acquisition
28/06/05  Slough Estates takes 60 pct stake in Dutch property company Mainland
30/06/05  Acquisition
30/06/05  Slough Estates buys 2 Californian business parks for 351 mln usd

01/07/05  Slough Estates Agree to Sell Stake in Tipperary Corporation for US$ 222 Million
06/07/05  Slough Estates Investor Presentation Friday 8th July 2005
08/07/05  Directors Shareholding Declaration
08/07/05  Slough Estates Investor Presentation - 13/07/05
13/07/05  Adoption of IFRS
14/07/05  Blocklisting Interim Review
14/07/05  Blocklisting Interim Review
14/07/05  Blocklisting Interim Review
14/07/05  Blocklisting Interim Review
14/07/05  Blocklisting Interim Review
14/07/05  Blocklisting Interim Review
18/07/05  Statement re Option Arrangement to Purchase Entities
18/07/05  Statement re Completion of purchase of holding entities

01/08/05  Statement re Slough Estates' Chairman
19/08/05  Statement re Slough Estates' Chairman

12/09/05  Director/PDMR Shareholding
23/09/05  Director/PDMR Shareholding
23/09/05  Director/PDMR Shareholding

03/10/05  Director/PDMR Shareholding
10/10/05  Investor Tour of Californian Healthscience Parks
17/10/05  Director/PDMR Shareholding
20/10/05  Statement re Slough Estates sells Californian Office Portfolio
21/10/05  Statement re Chairman Sir Nigel Mobbs
21/10/05  Bond documentation amendments
25/10/05  Director/PDMR Shareholding
27/10/05  Statement re Slough Estates letting to Blackberry

14/11/05  Holdings in Company
14/11/05  Holdings in Company
14/11/05  Holdings in Company
16/11/05  Statement re expansion into Central Europe
16/11/05  Issue of debt
21/11/05  Acquisition - Slough Estates mainland completes acquisition of major development site next to Schiphol
25/11/05  Statement re Sale of Business Space at Centennial Park, Elstree

02/12/05  Publication of prospectus
08/12/05  Acquisition - Slough Estates agrees major acquisition in Germany
09/12/05  Issue of debt
09/12/05  Publication of prospectus
16/12/05  FD appointment
16/12/05  Corporate broker appointment
21/12/05  Acquisition - Slough Estates light industrial acquisition in LA Courneuve, North of Paris

05/01/06  Completion of acquisition in central Europe
06/01/06  Sale of Business Space at Centennial Park, Elstree
10/01/06  Blocklisting Interim Review         
10/01/06  Blocklisting Interim Review
10/01/06  Blocklisting Interim Review
10/01/06  Blocklisting Interim Review
10/01/06  Blocklisting Interim Review        
10/01/06  Blocklisting Interim Review
10/01/06  Restructure proposals re UK Construction Arm
10/01/06  Transactions re Continental Europe
13/01/06  Investor Presentation
19/01/06  Notice of Results
20/01/06  HelioSlough letting and sale
27/01/06  Acquisition re HelioSlough buys Lymedale Cross Business Park, Stoke

03/02/06  HelioSlough acquires Chorley site for new North West Distribution Hub
14/02/06  Slough Estates' acquisition in Germany 30ha logistics platform at Krefeld
20/02/06  Slough Estates agrees sale of offices at Cambridge Research Park

08/03/06  Holding(s) in the Company
22/03/06  Circ re Preference Shares
22/03/06  Financial results for the year to 31 December 2005
22/03/06  Slough Estates extends European footprint: signs over 100,000 sq m of new leases across Europe since the 
beginning of 2006
22/03/06  Preliminary dividend

12/04/06  Director/PDMR Shareholding
13/04/06  Annual Report and Accounts


Documents filed at Companies House

26/04/05     88(2) Return of Allotments
26/04/05     88(2) Return of Allotments
26/04/05     88(2) Return of Allotments

03/05/05     122 conversion
03/05/05     88(2) Return of Allotments
13/05/05     Group of Companies' Accounts made up to 31/12/04
16/05/05     88(2) Return of Allotments
25/05/05     88(2) Return of Allotments
25/05/05     Resolution
27/05/05     288b Director resigned

01/06/05     88(2) Return of Allotments
08/06/05     88(2) Return of Allotments
18/06/05     288c Director's particulars changed
16/06/05     288a Director appointed
21/06/05     88(2) Return of Allotments
24/06/05     Listing of particulars
24/06/05     Listing of particulars
29/06/05     88(2) Return of Allotments
29/06/05     88(2) Return of Allotments

01/07/05     88(2) Return of Allotments
04/07/05     88(2) Return of Allotments
07/07/05     363a Annual Return
14/07/05     88(2) Return of Allotments
15/07/05     88(2) Return of Allotments

18/08/05     88(2) Return of Allotments

14/09/05     88(2) Return of Allotments
19/09/05     88(2) Return of Allotments

05/10/05     88(2) Return of Allotments
06/10/05     Memorandum and Articles of Association
11/10/05     88(2) Return of Allotments
25/10/05     88(2) Return of Allotments
25/10/05     88(2) Return of Allotments

03/11/05     88(2) Return of Allotments
04/11/05     288b Director Resigned
11/11/05     88(2) Return of Allotments
17/11/05     88(2) Return of Allotments

12/12/05     88(2) Return of Allotments
21/12/05     88(2) Return of Allotments
21/12/05     88(2) Return of Allotments

05/01/06     88(2) Return of Allotments
09/01/06     288a Director Appointed
11/01/06     88(2) Return of Allotments

10/04/06     88(2) Return of Allotments
10/04/06     88(2) Return of Allotments
19/04/06     88(2) Return of Allotments



Miss A Norman
Company Secretarial Assistant
Slough Estates plc
Tel [phone]



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