12 February 2025

Hammerson plc (the "Company")

TRANSACTION IN OWN SHARES

The Company announces that, in accordance with the terms of its share buyback programme announced on 16 October 2024 (the "Share Buyback Programme"), the Company has purchased the following number of its ordinary shares of 5 pence each from Morgan Stanley & Co. International plc. Such purchase was effected pursuant to instructions issued by the Company on 16 October 2024.

The Company will cancel the purchased shares.

In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 as incorporated into and implemented under English law (including by virtue of the European Union (Withdrawal) Act 2018), a full breakdown of the individual trades made by Morgan Stanley & Co. International plc on behalf of the Company as part of the Share Buyback Programme is attached to this document and can be accessed through the link provided below.

http://www.rns-pdf.londonstockexchange.com/rns/7476W_1-2025-2-11.pdf

Since 16 October 2024 pursuant to the Share Buyback Programme, the Company has purchased 8,901,436 ordinary shares.

This announcement does not constitute, or form part of, an offer or any solicitation of an offer for securities in any jurisdiction.

Contact:

Josh Warren

Director of Strategy, Commercial Finance and Investor Relations

Tel: +44 20 7887 1053

[email protected]

Richard Crowle

Senior Assistant Company Secretary

Tel: +44 20 7887 1000

[email protected]

The announcement above has also been released on the SENS system of the Johannesburg Stock Exchange and on Euronext Dublin.