Notification of Major Interests in Shares Mondi plc (Incorporated in England and Wales) (Registered number: 6209386) LEI: 213800LOZA69QFDC9N34 LSE share code: MNDI ISIN: GB00B1CRLC47 JSE share code: MNP 27 July 2020 Notification of Major Interests in Shares 1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: Mondi plc 1b. Please indicate if the issuer is a non-UK issuer: N/A 2. Reason for notification An acquisition or disposal of voting rights 3. Details of person(s) subject to the notification obligation: Name: Public Investment Corporation Soc Limited City and country of registered office: Pretoria, South Africa 4. Full name of shareholder(s) (if different from 3.): N/A 5. Date on which the threshold was crossed or reached: 23 July 2020 6. Date on which issuer notified: 27 July 2020 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 of (total of 8. A) instruments (total issuer of 8.B 1 + 8.B 2) Resulting situation on the date on 5.905 N/A 5.905 485,553,780 which threshold was crossed or reached Position of previous notification (if 6.955 N/A 6.955 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) (Art 9 of Directive (Art 10 of (Art 9 of Directive (Art 10 of Directive 2004/109/EC) Directive 2004/109/EC) 2004/109/EC) (DTR5.1) 2004/109/EC) (DTR5.1) (DTR5.2.1) (DTR5.2.1) GB00B1CRLC47 28,670,065 N/A 5.905 N/A Subtotal 8.A 28,670,065 5.905 B1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC (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 Art. 13(1)(b) of Directive 2004/109/EC (DTR5.3.1.1 (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 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 entity: Name % of voting % of voting rights Total of both if it rights if it equals through financial equals or is or is higher than instruments if it higher than the the notifiable equals or is notifiable threshold higher than the threshold notifiable threshold Public Investment 5.905 5.905 Corporation Soc Limited 10. Proxy Voting: Name of the proxy holder: N/A Number and percentage of voting rights held: N/A Date until which voting rights held: N/A 11. Additional information: Place of completion: Pretoria, South Africa Date of completion: 27 July 2020 Sponsor in South Africa: UBS South Africa (Pty) Ltd Date: 27-07-2020 03:00:00 Produced by the JSE SENS Department. The SENS service is an information dissemination service administered by the JSE Limited ('JSE'). The JSE does not, whether expressly, tacitly or implicitly, represent, warrant or in any way guarantee the truth, accuracy or completeness of the information published on SENS. The JSE, their officers, employees and agents accept no liability for (or in respect of) any direct, indirect, incidental or consequential loss or damage of any kind or nature, howsoever arising, from the use of SENS or the use of, or reliance on, information disseminated through SENS.