Holding(s) in Company

Hammerson PLC 25 March 2008 TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: Hammerson plc 2. Reason for the notification (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 the notification obligation: Morgan Stanley (Institutional Securities Group and Global Wealth Management) 4. Full name of shareholder(s) (if different from 3.) : ................. 5. Date of the transaction (and date on which the threshold is crossed or reached if different): 18 March 2008 6. Date on which issuer notified: 25 March 2008 7. Threshold(s) that is/are crossed or reached: 9% 8. Notified details: ................. A: Voting rights attached to shares Class/type of shares if possible Situation previous to the Triggering transaction using the ISIN CODE Number of shares Number of voting Rights Ordinary shares of 25p each 28,519,851 28,519,851 GB0004065016 Resulting situation after the triggering transaction Class/type of shares if Number of shares Number of voting rights % of voting rights possible using the ISIN CODE Direct Direct Indirect Direct Indirect Ordinary shares of 25p each 2,161,083 2,161,083 23,172,006 0.75% 8.01% GB0004065016 B: Financial Instruments Resulting situation after the triggering transaction Type of Expiration Date Exercise/Conversion Number of voting rights that % of voting rights financial Period/ Date may be acquired if the instrument instrument is exercised/ converted. Total return 28/02/08 8,343.414 2.88% Swap Total return 08/03/08 14,522,280 5.02% Swap Call option 18/04/08 153,156 0.05% Call option 18/04/08 153,156 0.05% Total (A+B) Number of voting rights % of voting rights 25,333,089 8.76% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: Morgan Stanley and Co Incorporated 515, 726 (0.17%) Morgan Stanley Securities Limited 1,860,772 (0.64%) Morgan Stanley Capital (Luxembourg) SA 90,987 (0.03%) Chain 1 Morgan Stanley (2.88%) (8,343,414 voting rights) by virtue of being the sole shareholder of MSRESS III, Inc (2.88%) (8,343,414 voting rights) by virtue of being the sole shareholder of MSRESS III Manager L.L.C (2.88%) (8,434,414 voting rights) by virtue of being the sole shareholder of Morgan Stanley Real Estate Special Situations III-GP, L.L.C as general partner to Morgan Stanley Real Estate Special Situations Fund III L.P (2.88%) (8,343,414 voting rights) by virtue of being the sole shareholder of GSS III Island Holdings Limited (2.88% ) (8,434,414 voting rights) by virtue being the sole shareholder of Minster Limited (Jersey) (2.88%) (8,434,414 voting rights). Chain 2 Morgan Stanley (5.02%) (14,522,280 voting rights) by virtue of being the sole shareholder of MSREF Real Estate Advisor Inc. (5.02%) (14,522,280 voting rights) by virtue of being the sole shareholder of MSREF VI Inc. (5.02%) (14,522,280 voting rights by virtue of being the sole shareholder of MSREF VI L.L.C (5.02%) (14,522,280 voting rights) by virtue of being the sole shareholder of MSREF VI International-GP L.L.C as general partner of the series of real estate private equity funds that it manages ('MSREF VI') (5.02%) (14,522,280 voting rights) by virtue of being the shareholders of Nelly Holdings Limited (5.02%) (14,522,280 voting rights) Proxy Voting: 10. Name of the proxy holder: N/A 11. Number of voting rights proxy holder will cease to hold: N/A 12. Date on which proxy holder will cease to hold voting rights: N/A 13. Additional information: ................. 14. Contact name: Stuart Haydon 15. Contact telephone number: +44 (0) 207 887 1000 This information is provided by RNS The company news service from the London Stock Exchange

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Hammerson (HMSO)
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