HAMMERSON PLC - TR-1: Standard form for notification of major holdings

TR-1: Standard form for notification of major holdings

Hammerson plc
(Incorporated in England and Wales)
(Company number 360632)
LSE and Euronext Dublin share code: HMSO  JSE share code: HMN
ISIN: GB00BRJQ8J25
(‘Hammerson’ or ‘the Company’)

This notification has been received by Hammerson Plc pursuant to the
relevant shareholder's obligations pursuant to applicable UK law.

TR-1: Standard form for notification of major holdings

1.    Issuer Details
      ISIN
      GB00BRJQ8J25

      Issuer Name
      HAMMERSON PLC

      UK or Non-UK Issuer
      UK

2.    Reason for Notification
      An acquisition or disposal of voting rights

3.    Details of person subject to the notification obligation
      Name
      APG Asset Management N.V.

      City of registered office (if applicable)
      Amsterdam

      Country of registered office (if applicable)
      Netherlands

4.    Details of the shareholder
      Full name of shareholder(s) if different from the person(s)
      subject to the notification obligation, above

      City of registered office (if applicable)

      Country of registered office (if applicable)

5.    Date on which the threshold was crossed or reached
      20-Aug-2026

6.    Date on which Issuer notified
      21-Aug-2026

7.    Total positions of person(s) subject to the notification
      obligation
                                              % of voting
                         % of voting          rights through                         Total number of
                         rights attached      financial           Total of both in   voting rights
                         to shares (total     instruments         % (8.A + 8.B)      held in issuer
                         of 8.A)              (total of 8.B 1 +
                                              8.B 2)

      Resulting
      situation on
      the date on
      which              12.832484            0.000000            12.832484          75097974
      threshold was
      crossed or
      reached

      Position of
      previous           13.992614            0.000000            13.992614
      notification (if
      applicable)

8.    Notified details of the resulting situation on the date on which
      the threshold was crossed or reached

8A.   Voting rights attached to shares

Class/Type of        Number of direct       Number of           % of direct voting     % of indirect
shares ISIN          voting rights          indirect voting     rights (DTR5.1)        voting rights
code(if possible)    (DTR5.1)               rights (DTR5.2.1)                          (DTR5.2.1)

GB00BRJQ8J25         75097974                                   12.832484

Sub Total 8.A        75097974                                   12.832484%


8B1.  Financial Instruments according to (DTR5.3.1R.(1) (a))

                                                         Number of voting rights that      % of
Type of financial    Expiration Exercise/conversion      may be acquired if the            voting
instrument           date       period                   instrument is                     rights
                                                         exercised/converted
Sub Total 8.B1


8B2.  Financial Instruments with similar economic effect
      according to (DTR5.3.1R.(1) (b))

Type of          Expiration   Exercise/conversion     Physical or cash    Number of        % of
financial        date         period                  settlement          voting rights    voting
instrument                                                                                 rights
Sub Total 8.B2

9.    Information in relation to the person subject to the
      notification obligation

1. Person subject to the notification obligation is not controlled by any
natural person or legal entity and does not control any other
undertaking(s) holding directly or indirectly an interest in the
(underlying) issuer.

                       Name of          % of voting             % of voting rights           Total of both if it
Ultimate               controlled       rights if it equals     through financial            equals or is
controlling person     undertaking      or is higher than       instruments if it equals     higher than the
                       the notifiable   or is higher than the   notifiable
                       threshold        notifiable threshold    threshold


10.   In case of proxy voting
      Name of the proxy holder

      The number and % of voting rights held

      The date until which the voting rights will be held

      If date does not apply, explain below

11.   Additional Information

12.   Date of Completion
      21-Aug-2026

13.   Place Of Completion
      Amsterdam - The Netherlands


For further information contact:

Richard Crowle
Deputy Company Secretary
Tel: +44 (0)20 7887 1000

21 August 2026

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
Date: 21/08/2026 11:00:00
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