Mondi plc
  (Incorporated in England and Wales)
  (Registered number: 6209386)
  LEI: 213800LOZA69QFDC9N34
  LSE share code: MNDI      ISIN: GB00B1CRLC47
  JSE share code: MNP

  26 May 2023

  Notification of Major Interests in Shares

1. Issuer Details:

    ISIN: GB00B1CRLC47

    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: Norges Bank

    City of registered office: Oslo

    Country of registered office: Norway

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:

    25 May 2023

6. Date on which Issuer notified:

    26 May 2023
        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      2.979590                         0.000000                 2.979590            14,467,553
which threshold was
crossed or reached

Position of previous
notification (if         3.031340                    0.000000                 3.031340            N/A
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           14,467,553             N/A                    2.979590               N/A

Subtotal 8.A           14,467,553                                    2.979590




        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.



N/A                      N/A              N/A                           N/A                            N/A
                                        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


N/A              N/A              N/A               N/A                 N/A                N/A

                                                    Subtotal 8.B 2


       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.


       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:

             26 May 2023


       13. Place of completion:

             London, United Kingdom


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