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

  24 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:

    23 May 2023

6. Date on which Issuer notified:

    24 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      3.031340                           0.000000                3.031340             14,718,813
which threshold was
crossed or reached

Position of previous
notification (if         2.997220                      0.000000                2.997220             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           14,718,813              N/A                    3.031340                N/A

Subtotal 8.A           14,718,813                                     3.031340



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

            Type of               Expiration     Exercise/               Number of voting       % of voting
            financial             date           Conversion              rights that may be     rights
            instrument                           Period                  acquired if 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          Number of       % of voting
     financial    date          Conversion cash                 voting rights   rights
     instrument                 Period     settlement


     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:

     24 May 2023


 13. Place of completion:

     Oslo, Norway


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