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 13 April 2023 On 13 April 2023, Alex Dunn, General Counsel and Company Secretary and a Person Discharging Managerial Responsibilities (“PDMR”), was granted 86,538 options to buy ordinary 5 pence shares in the Company (“Shares”) in accordance with the terms of the Hammerson Savings-Related Share Option Scheme. The options were granted at an option price of £0.208 pence per Share. The savings contract will begin on 1 May 2023 and the options will be exercisable from 1 May 2026 to 31 October 2026. This announcement is made in accordance with the requirements of the UK Market Abuse Regulation. The notification of dealing form can be found below. 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 Notification of dealing form 1 Details of the person discharging managerial responsibilities / person closely associated a) Name Alex Dunn 2 Reason for the notification a) Position/status General Counsel and Company Secretary (PDMR) b) Initial notification/amendment Initial notification 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 Identification code ISIN: GB00BK7YQK64 b) Nature of the transaction Grant of options over ordinary shares of 5 pence each under the Hammerson plc Savings-Related Share Option Scheme c) Price(s) and volume(s) Price(s) Volume(s) £0.00 86,538 d) Aggregated information - Aggregated volume Aggregate Aggregate Aggregate - Price Price Volume Total £0.00 86,538 £0.00 e) Date of the transaction 13 April 2023 f) Place of the transaction Outside a trading venue