Mondi plc
  (Incorporated in England and Wales)
  (Registered number: 6209386)
  LEI: 213800LOZA69QFDC9N34
  LSE share code: MNDI      ISIN: GB00BMWC6P49
  JSE share code: MNP

  1 February 2024

  Notification of Major Interests in Shares

1. Issuer Details:

    ISIN: GB00BMWC6P49

    Issuer Name: MONDI 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: Public Investment Corporation Soc Limited

    City of registered office: Pretoria

    Country of registered office: South Africa

4. Details of the shareholder:

    Full name of shareholder(s) if different from the persons(s) subject to the
    notification obligation, above: N/A

    City of registered office: N/A

    Country of registered office: N/A

5. Date on which the threshold was crossed or reached:

    26 January 2024

6. Date on which Issuer notified:

    31 January 2024
        7. Total positions of person(s) subject to the notification obligation:

                            % of voting rights           % of voting rights    Total of both in % Total number of
                           attached to shares             through financial       (8.A + 8.B)     voting rights held
                              (total of 8. A)            instruments (total                       in issuer
                                                          of 8.B 1 + 8.B 2)

Resulting situation
on the date on
which threshold was             12.154%                                            12.154%              53,650,993
crossed or reached

Position of previous
notification (if                10.042%                                            10.042%
applicable)


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

        A: Voting rights attached to shares
Class/type of          No. of voting rights                          % of voting rights
shares
ISIN code (if          Direct                 Indirect               Direct                  Indirect
possible)              (DTR5.1)               (DTR5.2.1)             (DTR5.1)                (DTR5.2.1)


GB00B1CRLC47           53,650,993                                    12.154%

Subtotal 8.A           53,650,993                                    12.154%




        B1: Financial Instruments according to (DTR5.3.1.1 (a))

Type of financial        Expiration       Exercise/ Conversion          Number of voting rights         % of voting
instrument               date             Period                        that may be acquired if         rights
                                                                        the instrument is
                                                                        exercised/ converted.
                                       Subtotal 8.B 1


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

Type of          Expiration       Exercise/         Physical or cash        Number of           % of voting
financial        date             Conversion        settlement              voting rights       rights
instrument                        Period


                                                    Subtotal 8.B 2


       9. Information in relation to the person subject to the notification obligation:
          2. Full chain of controlled undertakings through which the voting rights and/or
          the financial instruments are effectively held starting with the ultimate controlling
          natural person or legal entities (please add additional rows as necessary)

                                            % of voting      % of voting rights
                                                                                   Total of both if
                                            rights if it     through financial
                                                                                   it equals or is
                                            equals or is     instruments if it
                        Name                                                       higher than the
                                            higher than      equals or is higher
                                                                                   notifiable
                                            the notifiable   than the notifiable
                                                                                   threshold
                                            threshold        threshold
             Public Investment
                                             12.154%                                12.154%
             Corporation SOC Limited



       10. In case of proxy voting:

             Name of the proxy holder: N/A

             The number and % of voting rights held: N/A

             The date until which the voting rights will be held: N/A

       11. Additional information: N/A

       12. Date of completion:

             31 January 2024

       13. Place of completion:
     Pretoria, South Africa


Sponsor in South Africa: Merrill Lynch South Africa (Pty) Ltd t/s BofA Securities