Hammerson plc (Incorporated in England and Wales) (Company number 360632) LSE and Euronext Dublin share code: HMSO JSE share code: HMN ISIN: GB00BK7YQK64 (“Hammerson” or “the Company”) Notification of Transactions of Directors and PDMRs 28 April 2023 The Company was notified on 28 April 2023 that Méka Brunel, a PDMR of the Company, acquired 33,670 ordinary 5 pence shares in the Company. This announcement is made in accordance with the requirements of the UK Market Abuse Regulation. The notification of dealing form can be found below. Notification of dealing form 1 Details of the person discharging managerial responsibilities / person closely associated a) Name Méka Brunel 2 Reason for the notification a) Position/status Non-Executive Director b) Initial notification Initial notification /Amendment 3 Details of the issuer a) Name Hammerson plc b) LEI 213800G1C9KKVVDN1A60 4 Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted a) Description of the financial Ordinary shares of 5 pence each instrument, type of instrument. ISIN: GB00BK7YQK64 Identification code b) Nature of the transaction Purchase of ordinary shares of 5 pence c) Price(s) and volume(s) Price(s) Volume(s) £0.264 33,670 d) Aggregated information - Aggregated volume Aggregate Aggregate Aggregate - Price Price Volume Total £0.264 33,670 £8,888.88 e) Date of the transaction 25 April 2023 f) Place of the transaction London Stock Exchange (XLON) Richard Crowle Senior Assistant Company Secretary +44 (0) 20 7887 1000 Hammerson has its primary listing on the London Stock Exchange and secondary inward listings on the Johannesburg Stock Exchange and Euronext Dublin. Sponsor: Investec Bank Limited