TR-1: Standard form for notification of major holdings Hammerson plc (Incorporated in England and Wales) (Company number 360632) LSE share code: HMSO JSE share code: HMN ISIN: GB00BK7YQK64 (“Hammerson” or “the Company”) TR-1: Standard form for notification of major holdings NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible)i 1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are HAMMERSON PLC attachedii: 1b. Please indicate if the issuer is a non-UK issuer (please mark with an “X” if appropriate) Non-UK issuer 2. Reason for the notification (please mark the appropriate box or boxes with an “X”) An acquisition or disposal of voting rights x An acquisition or disposal of financial instruments An event changing the breakdown of voting rights Other (please specify)iii: 3. Details of person subject to the notification obligationiv Name APG Asset Management N.V. City and country of registered office (if applicable) Amsterdam, The Netherlands 4. Full name of shareholder(s) (if different from 3.)v Name City and country of registered office (if applicable) 5. Date on which the threshold was crossed or 30/11/2020 reachedvi: 6. Date on which issuer notified (DD/MM/YYYY): 01/12/2020 7. Total positions of person(s) subject to the notification obligation % of voting rights % of voting rights Total number of through financial in- Total of both in % attached to shares voting rights of struments (8.A + 8.B) (total of 8. A) issuervii (total of 8.B 1 + 8.B 2) Resulting situation on the date on which 22.0547% 22.0547% 3,831,468,050 threshold was crossed or reached Position of previous notification (if 21.0180% 21.0180% applicable) 8. Notified details of the resulting situation on the date on which the threshold was crossed or reachedviii A: Voting rights attached to shares Class/type of Number of voting rightsix % of voting rights shares ISIN code (if possible) Direct Indirect Direct Indirect (Art 9 of Directive (Art 10 of Directive (Art 9 of Directive (Art 10 of Directive 2004/109/EC) (DTR5.1) 2004/109/EC) 2004/109/EC) (DTR5.1) 2004/109/EC) (DTR5.2.1) (DTR5.2.1) GB00BK7YQK64 845,018,545 22.0547% SUBTOTAL 8. A 845,018,545 22.0547% B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC (DTR5.3.1.1 (a)) Number of voting rights Type of financial Expiration Exercise/ that may be acquired if % of voting rights instrument datex Conversion Periodxi the instrument is exercised/converted. SUBTOTAL 8. B 1 B 2: Financial Instruments with similar economic effect according to Art. 13(1)(b) of Directive 2004/109/EC (DTR5.3.1.1 (b)) Exercise/ Physical or Type of financial Expiration Number of Conversion cash % of voting rights instrument datex voting rights Period xi settlementxii SUBTOTAL 8.B.2 9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an “X”) Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer xiii X Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entity xiv (please add additional rows as necessary) % of voting rights % of voting rights if it Total of both if it through financial in- equals or is higher equals or is higher Namexv struments if it equals than the notifiable than the notifiable or is higher than the threshold threshold notifiable threshold 10. In case of proxy voting, please identify: Name of the proxy holder The number and % of voting rights held The date until which the voting rights will be held 11. Additional informationxvi Place of completion Amsterdam Date of completion 01/12/2020 For further information contact: Emma Jackman Senior Assistant Company Secretary Tel: +44 (0)20 7887 1000 2 December 2020 Hammerson has its primary listing on the London Stock Exchange and a secondary inward listing on the Johannesburg Stock Exchange. Sponsor: Investec Bank Limited Date: 02-12-2020 11:30:00 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.