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: GB0004065016 (“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 An acquisition or disposal of financial instruments X An event changing the breakdown of voting rights Other (please specify)iii: 3. Details of person subject to the notification obligationiv Name Lighthouse Capital Limited City and country of registered office (if applicable) Mauritius 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 12 May 2020 reachedvi: 6. Date on which issuer notified (DD/MM/YYYY): 13 May 2020 7. Total positions of person(s) subject to the notification obligation % of voting rights Total number of % of voting rights Total of both in % attached to shares voting rights of through financial (8.A + 8.B) (total of 8. A) issuervii instruments (total of 8.B 1 + 8.B 2) Resulting situation on the date on which threshold was 3.85 3.39 7.24 766,293,613 crossed or reached Position of previous notification (if 2.20 3.39 5.59 766,293,613 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 Direct Indirect Direct Indirect (Art 9 of Directive (Art 10 of Directive (Art 9 of Directive (Art 10 of Directive possible) 2004/109/EC) (DTR5.1) 2004/109/EC) 2004/109/EC) (DTR5.1) 2004/109/EC) (DTR5.2.1) (DTR5.2.1) GB0004065016 29,500,000 3.85% SUBTOTAL 8. A 29,500,000 3.85% 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)) Type of Exercise/ Physical or Expiration Number of financial Conversion cash % of voting rights datex voting rights instrument Period xi settlementxii Equity Periodic cash 1.32 Cash 26,000,000 3.39% Derivative settlement settlement Swap with renewal of instrument, but no formal expiry. SUBTOTAL 8.B.2 26,000,000 3.39% 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) issuerxiii 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 entityxiv (please add additional X rows as necessary) % of voting rights % of voting rights if it through financial Total of both if it equals equals or is higher Namexv instruments if it equals or is higher than the than the notifiable or is higher than the notifiable threshold threshold notifiable threshold Lighthouse Capital 3.85% 3.39% 7.24% Limited Lighthouse One Limited 2.74% 2.74% Lighthouse One UK 2.74% 2.74% Limited Lighthouse Netherlands 2.74% 2.74% B.V. 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 Mauritius Date of completion 13 May 2020 For further information contact: Julia Crane Deputy Company Secretary Tel: +44 (0)20 7887 1000 13 May 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: 13-05-2020 11:15:00 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. 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