FOR IMMEDIATE RELEASE

Hammerson plc (the "Company")

Annual Report and Notice of Annual General Meeting

26 March 2026

The Company announces that the following documents have today been sent or otherwise made available to shareholders:

-     Annual Report and Financial Statements for the year ended 31 December 2025 (the '2025 Annual Report');

-     Notice of 2026 Annual General Meeting ('Notice of AGM');

-     Proposed amendments to the rules of the Hammerson plc Restricted Share Scheme ('RSS'); and

-     Form of Proxy (South Africa).

In accordance with UK Listing Rules 6.4.1 and 6.4.3 and the Transparency (Directive 2004/109/EC) Regulations 2007, as amended, the above documents, have been uploaded to the UK National Storage Mechanism and Euronext Dublin, as applicable, and will shortly be available for inspection at https://data.fca.org.uk/#/nsm/nationalstoragemechanism and https://direct.euronext.com/#/oamfiling (where the 2025 Annual Report will be available in unedited full text).

The 2025 Annual Report (in both PDF and structured electronic formats), Notice of AGM and Form of Proxy (South Africa) are also available on the Company's website at www.hammerson.com/investors.

The 2025 Annual Report is also available on the Johannesburg Stock Exchange at https://senspdf.jse.co.za/documents/2026/jse/isse/HMNE/ARA2025.pdf

The Company has also today published its 2025 ESG Report on the corporate website at https://www.hammerson.com/investors/reports-results-presentations. The report includes confirmation that both of the two Sustainability Performance Targets ('SPTs') have been met under the Group's €700m 1.75% Sustainability-Linked Bond maturing in 2027.

The 2026 Annual General Meeting (the 'AGM') will be held at 9.00 am (UK time) on Thursday, 30 April 2026 at Marble Arch House, 66 Seymour Street, London W1H 5BX, United Kingdom. Full details of the proposed resolutions are set out in the Notice of AGM.

Only persons entered on the UK register of shareholders at 6.30 pm (UK time) on Tuesday 28 April 2026 or the South Africa register on Friday 24 April 2026 shall be entitled to attend and vote at the AGM. The last day to trade in the Company's shares in order to be recorded as a shareholder by the voting record date is therefore Friday 24 April 2026 for persons to be included onto the UK register and Tuesday 21 April 2026 for persons to be entered onto the South Africa register.

Shareholders are entitled to vote by way of proxy in advance of the AGM. It is important that shareholders complete, sign and return a Form of Proxy in accordance with the instructions printed on it. To be valid, the Form of Proxy must be lodged with the Company's Registrar by no later than 9.00 am (UK time) and 10.00 am (SA time) on Tuesday, 28 April 2026. Shareholders on the UK Register can vote by visiting the Investor Centre app or online at https://uk.investorcentre.mpms.mufg.com. Alternatively, shareholders can obtain a copy of the UK Form of Proxy from the Company's UK Registrar, MUFG Corporate Markets. Shareholders on the South Africa Register can obtain a copy of the Form of Proxy (South Africa) from the SA Transfer Secretaries, Computershare Investor Services. Further information can be found in the notes set out in the Notice of AGM.

The Board continues to value engagement with the Company's shareholders. Although shareholders will be able to ask questions at the AGM, shareholders who wish to put a question to the Board relating to the business to be conducted at the AGM may wish to email investorrelations@hammerson.com to submit their question in advance of the AGM. The Company will endeavour to respond to questions submitted by 9.00 am (UK time) / 10.00 am (South Africa time) on Friday, 24 April 2026 in advance of the proxy voting deadline on Tuesday, 28 April 2026 at 9.00 am (UK time) / 10.00 am (South Africa time). Where questions are received after 9.00 am (UK time) / 10.00 am (South Africa time) on Friday, 24 April 2026, the Company will respond as soon as practicable, which may be after the AGM. The Company reserves the right to consolidate questions of a similar nature.

Alex Dunn

General Counsel and Company Secretary

+44 (0) 20 7887 1000

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