TR-1: Notification of major interest in shares Hammerson plc (Incorporated in England and Wales) (Company number 360632) LSE share code: HMSO JSE share code: HMN ISIN: GB0004065016 (“Hammerson” or “the Company”) TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are Hammerson plc attached: ii 2 Reason for the notification (please tick the appropriate box or boxes): An acquisition or disposal of voting rights An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached An acquisition or disposal of instruments with similar economic effect to qualifying financial X instruments An event changing the breakdown of voting rights Other (please specify): 3. Full name of person(s) subject to the Rockcastle Global Securities Limited notification obligation: iii 4. Full name of shareholder(s) (if different from 3.):iv 5. Date of the transaction and date on which the threshold is crossed or 12/06/2017 reached: v 6. Date on which issuer notified: 13/06/2017 7. Threshold(s) that is/are crossed or 4% reached: vi, vii 8. Notified details: A: Voting rights attached to shares viii, ix Class/type of Situation previous Resulting situation after the triggering transaction shares to the triggering transaction if possible using Number Number Number Number of voting % of voting rights x the ISIN CODE of of of shares rights Shares Voting Direct Direct xi Indirect xii Direct Indirect Rights GB0004065016 400 010 400 010 400 010 400 010 0.05% B: Qualifying Financial Instruments Resulting situation after the triggering transaction Type of financial Expiration Exercise/ Number of voting % of voting instrument date xiii Conversion Period xiv rights that may be rights acquired if the instrument is exercised/ converted. N/A C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi Resulting situation after the triggering transaction Type of financial Exercise Expiration Exercise/ Number of voting rights % of voting rights xix, xx instrument price date xvii Conversion instrument refers to period xviii Monthly cash Nominal Delta Cash settled equity settlement swap with full with economic effect for 591.46 renewal of Rockcastle Global instrument 31 039 196 3.913% Securities Limited but no formal expiry Total (A+B+C) Number of voting rights Percentage of voting rights 31 439 206 3.963% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: xxi N/A Proxy Voting: 10. Name of the 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: 14. Contact name: Nicholas Matulovich 15. Contact telephone number: +44208 546 0133 For further information contact: Sarah Booth General Counsel and Company Secretary Tel: +44 (0)20 7887 1000 Hammerson has its primary listing on the London Stock Exchange and a secondary inward listing on the Johannesburg Stock Exchange. Joint Sponsors: Deutsche Securities (SA) Proprietary Limited Java Capital 13 June 2017 Date: 13/06/2017 03:00:00 Produced by the JSE SENS Department. The SENS service is an information dissemination service administered by the JSE Limited ('JSE'). The JSE does not, whether expressly, tacitly or implicitly, represent, warrant or in any way guarantee the truth, accuracy or completeness of the information published on SENS. The JSE, their officers, employees and agents accept no liability for (or in respect of) any direct, indirect, incidental or consequential loss or damage of any kind or nature, howsoever arising, from the use of SENS or the use of, or reliance on, information disseminated through SENS.