Mondi Plc - Holding(s) in Company

Mondi plc (Incorporated in England and Wales) (Registered number: 6209386) LEI: 213800LOZA69QFDC9N34 LSE share code: MNDIISIN: GB00BMWC6P49 JSE share code: MNP 20 August 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: Ninety One SA (Pty) Ltd City of registered office: 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: 13 August 2024 6.   Date on which Issuer notified: 19 August 2024 7.  Total positions of person(s) subject to the notification obligation: % of voting % of voting rights Total of Total rights through financial both number of attached to instruments (total in % voting shares of 8.B 1 + 8.B 2) (8.A + rights held (total 8.B) in issuer of 8. A) Resulting 4.901300 0.000000 4.901300 21,635,121 situation on the date on which threshold was crossed or reached Position of 5.022200 0.000000 5.022200 previous notification (if applicable) 8.  Notified details of the resulting situation on the date on which the threshold was crossed or reached: A:  Voting rights attached to shares Class/type of shares No. of voting rights % of voting rights ISIN code (if possible) Direct Indirect Direct Indirect (DTR5.1) (DTR5.2.1) (DTR5.1) (DTR5.2.1) GB00BMWC6P49 21,635,121 4.901300 Subtotal 8.A 21,635,121 4.901300% B1:  Financial Instruments according to (DTR5.3.1.1 (a)) Type of Expiration Exercise/ Number of voting % of financial date Conversion rights that may be voting instrument Period acquired if the rights 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 Number of % of financial date Conversion cash voting voting instrument Period settlement rights rights 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) Ultimate Name of % of voting rights % of voting Total of both if controlling controlled if it equals or is rights it equals or is person undertaking higher than the through higher than the notifiable financial notifiable threshold instruments threshold if it equals or is higher than the notifiable threshold Ninety One Ninety One 0.000000 0.000000 0.000000% Limited Africa (Pty) Limited Ninety One Ninety One SA 3.903100 0.000000 3.903100% Africa (Pty) (Pty) Limited Limited Ninety One Ninety One 0.000000 0.000000 0.000000% Plc Global Ltd Ninety One Ninety One UK 0.000000 0.000000 0.000000% Global Ltd Holdings Ltd Ninety One UK Ninety One UK 0.809700 0.000000 0.809700% Holdings Ltd Limited Ninety One Ninety One 0.000000 0.000000 0.000000% Global Ltd International Ltd Ninety One Ninety One 0.188400 0.000000 0.188400% International North America Ltd Inc 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: The reason for the delay in notification was due to a data processing issue which has now been resolved. 12.  Date of completion: 19 August 2024 13.  Place of completion: London Sponsor in South Africa: Merrill Lynch South Africa (Pty) Ltd t/s BofA Securities This information was brought to you by Cision http://news.cision.com

Mondi Plc