Holding(s) in Company

Great Portland Estates PLC 07 September 2007 For filings with the FSA include the annex For filings with issuer exclude the annex TR-1: Notifications of Major Interests in Shares 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: GREAT PORTLAND ESTATES PLC 2. Reason for notification (please place an X inside the appropriate bracket/s): An acquisition or disposal of voting rights: ( X) An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached: ( ) An event changing the breakdown of voting rights: ( ) Other (please specify) : ( ) 3. Full name of person(s) subject to notification obligation: GOVERNMENT OF SINGAPORE INVESTMENT CORPORATION PRIVATE LIMITED 4. Full name of shareholder(s) (if different from 3) : CHASE NOMINEES LTD AND NORTRUST NOMINEES LTD (AS REGISTERED HOLDERS AND NOMINEES) 5. Date of transaction (and date on which the threshold is crossed or reached if different): 05 SEPTEMBER 2007 6. Date on which issuer notified: 07 SEPTEMBER 2007 7. Threshold(s) that is/are crossed or reached: ABOVE 5% 8. Notified Details: A: Voting rights attached to shares Class/type of shares Situation previous to if possible use the Triggering transaction ISIN CODE Number of shares Number of voting Rights ORDINARY SHARES OF 12.5P EACH ISIN: GB00B01FLL16 7,415,902 7,415,902 Resulting situation after the triggering transaction Class/type of shares Number of shares Number of voting rights % of voting rights if possible use ISIN CODE Direct Indirect Direct Indirect 9,167,911 8,144,234 23.677 5.051% 0.013% B: Financial Instruments Resulting situation after the triggering transaction Type of Expiration date Exercise/conversion No. of voting % of voting financial period/date rights that may rights instrument be acquired (if the instrument exercised/ converted) Total (A+B) Number of voting rights % of voting rights 9,167,911 5.064 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: Proxy Voting: 10. Name of proxy holder: 11. Number of voting rights proxy holder will cease to hold: 12. Date on which proxy holder will cease to hold voting rights: 13. Additional information: CONTACT ADDRESS OF PERSON SUBJECT TO NOTIFICATION OBLIGATION: 168 ROBINSON ROAD CAPITAL TOWER #37-01 SINGAPORE 068912 14. Contact name: MS CELINA CHUA 15. Contact telephone number: (65) 6889 8503 For notes on how to complete form TR-1 please see the FSA website. This information is provided by RNS The company news service from the London Stock Exchange
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