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 9 October 2023 The Company was notified: (i) on 6 October 2023 that Harry Badham, a PDMR of the Company, acquired 1,005 Ordinary Shares of 5 pence each (“Shares”) at a price of £0.2408 per Share; and (ii) on 9 October 2023 that Robert Noel, Non-Executive Director and Chair of the Board, had acquired 33,912 Shares at a price of £0.2523 per Share, each pursuant to a Dividend Reinvestment Plan. This announcement is made in accordance with the requirements of the UK Market Abuse Regulation. The notification of dealing forms can be found below. Notification of dealing form 1 Details of the person discharging managerial responsibilities / person closely associated a) Name Harry Badham 2 Reason for the notification a) Position/status Chief Development and Asset Repositioning Officer (PDMR) 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. Identification code ISIN: GB00BK7YQK64 b) Nature of the transaction Purchase of ordinary shares of 5 pence through a Dividend Reinvestment Plan c) Price(s) and volume(s) Price(s) Volume(s) £0.2408 1,005 d) Aggregated information - Aggregated volume Aggregate Aggregate Aggregate - Price Price Volume Total £0.2408 1,005 £242.00 e) Date of the transaction 4 October 2023 f) Place of the transaction London Stock Exchange (XLON) Notification of dealing form 1 Details of the person discharging managerial responsibilities / person closely associated a) Name Robert Noel 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. Identification code ISIN: GB00BK7YQK64 b) Nature of the transaction Purchase of ordinary shares of 5 pence through a Dividend Reinvestment Plan c) Price(s) and volume(s) Price(s) Volume(s) £0.2523 33,912 d) Aggregated information - Aggregated volume Aggregate Aggregate Aggregate - Price Price Volume Total £0.2523 33,912 £8,556.00 e) Date of the transaction 6 October 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