Great Portland Estates PLC 08 June 2006 Information Update In accordance with Prospectus Rule 5.2.1 R, Great Portland Estates plc ('the Company') announces that the information below has been published or made available to the public over the previous 12 months in accordance with laws and rules dealing with regulation of securities, issues of securities and securities markets. Details of all regulatory announcements for the Company can be found on the London Stock Exchange website at www.londonstockexchange.com. 1. Announcements made via the Regulatory Information Service Date Announcement heading 09/06/05 Directors/PDMR Shareholding 08/07/05 AGM Statement 15/07/05 The effect of IFRS on financial reporting 01/08/05 Directors/PDMR Shareholding 11/08/05 Directors/PDMR Shareholding 15/08/05 Great Portland Estates appointments Finance Director 24/08/05 Great Portland Estates sells 90 Fetter Lane 15/09/05 Directors/PDMR Shareholding 22/09/05 Great Victoria Partnership to revamp Regent Street flagship stores 03/10/05 Directors/PDMR Shareholding 03/10/05 Notice of results 04/10/05 Block listing 17/10/05 Great Portland Estates buys on Oxford Street and sells from Great Victoria LP 18/11/05 Great Portland Estates buys on Southbank and gains planning approval 22/11/05 Interim Results 23/11/05 Directors/PDMR Shareholding 13/12/05 Great Portland Estates secures major West End letting at Met Building 15/12/05 Directors/PDMR Shareholding 03/01/06 Directors/PDMR Shareholding 09/01/06 Great Portland Estates profits from Mayfair sale 03/02/06 Directors/PDMR Shareholding 17/02/06 Disclosure of interests in shares 21/02/06 Disclosure of interests in shares 27/02/06 Great Portland Estates takes profits north of Oxford Street 01/03/06 Repurchase 7.25% Debenture Stock 2027 02/03/06 Repurchase 7.25% Debenture Stock 2027 02/03/06 Repurchase 7.25% Debenture Stock 2027 06/03/06 Repurchase 7,25% Debenture Stock 2027 07/03/06 Repurchase 7.25% Debenture Stock 2027 08/03/06 Great Portland Estates refinances debt to cut annual interest costs 17/03/06 Directors/PDMR Shareholding 03/04/06 Great Portland Estates buys and sells 06/04/06 Block listing six monthly return 03/05/06 Notice of results 04/05/06 Great Portland Estates takes further profits 24/05/06 Preliminary Results 24/05/06 Great Portland Estates appoints Development Director 25/05/06 Directors/PDMR Shareholding 2. Documents filed at Companies House The documents listed below were filed with the Registrar of Companies and copies can be obtained from Companies House, Crown Way, Cardiff CF14 3UZ, telephone 0870 333 636, e-mail: enquiries@companieshouse.gov.uk or, through Companies House Direct at www.direct.companieshouse.gov.uk. Date Type of Document description document 08/07/05 288b Director resigned 11/07/05 RES09 AGM Special Resolution: authority to disapply pre-emption rights; authority to allot shares, authority to purchase own shares 04/08/05 288b Director resigned 09/08/05 363s Annual Return 09/08/05 AA Annual Report and Accounts to 31 March 2005 12/09/05 288a Director appointed 16/01/06 287 Registered Office changed 02/05/06 288c Director's particulars changed 3. Documents published or sent to shareholders or filed with the UK Listing Authority document viewing. 02/12/05 Interim Report and Accounts For 2006 05/06/06 Annual Report and Accounts for 2006 05/06/06 Circular - Annual General Meeting 2006 - Proposed changes to Executive Long-Term Incentive Arrangements 4. Announcements made via Company website 08/07/05 AGM Proxy results A copy of this Annual Information Update (which also appears on the Company website, www.gpe.co.uk), and all the documents referred to in it, can be obtained from the Company's Registered Office at 33 Cavendish Square, London WIG 0PW. In accordance with Article 27(3) of the Prospectus Disclosure Regulation it is acknowledged that whilst the information referred to above was correct at the time of publication, such disclosures may, at any time, become out of date due to changing circumstances. Desna Martin Company Secretary Great Portland Estates plc 33 Cavendish Square London W1G 0PW This information is provided by RNS The company news service from the London Stock Exchange