Mondi plc (Incorporated in England and Wales) (Registered number: 6209386) LEI: 213800LOZA69QFDC9N34 LSE share code: MNDI ISIN: GB00B1CRLC47 JSE share code: MNP 19 December 2023 TRANSACTIONS IN MONDI plc ORDINARY SHARES OF €0.20 EACH There follows a notification form for a director of Mondi plc. Sponsor in South Africa: Merrill Lynch South Africa (Pty) Ltd t/s BofA Securities 1 Details of the person discharging managerial responsibilities / person closely associated a) Name Philip Yea 2 Reason for the notification a) Position/status Chair b) Initial Initial notification notification/Amendment 3 Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor a) Name Mondi plc b) LEI 213800LOZA69QFDC9N34 4 Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted a) Description of the financial instrument, Ordinary shares of €0.20 each type of instrument Identification code GB00B1CRLC47 b) Nature of the Acquisition of shares transaction c) Price(s) and volume(s) Price(s) Volume(s) £15.217816 2,500 d) Aggregated information - Aggregated volume 2,500 - Price £15.217816 e) Date of transaction 2023-12-19 f) Place of the transaction London Stock Exchange XLON