Director/PDMR Shareholding

Notification of Transactions by Persons Discharging Managerial Responsibilities and persons closely associated with them 1 Details of the person discharging managerial responsibilities / person closely associated a) Name Anthony Smurfit 2 Reason for the notification a) Position/status President & Group Chief Executive Officer /Executive Director b) Initial notification /Amendment Initial Notification 3 Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor a) Name Smurfit Westrock plc b) LEI 635400EGSEOPDW2EXS14 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, type of instrument Ordinary Shares of $0.001 each Identification code IE00028FXN24 b) Nature of the transaction Vesting of the dividend equivalent units which accrued on 18 March 2026 in relation to the first tranche of the 2025 RSU Conditional Awards granted under the Smurfit Westrock 2024 Long-Term Incentive Plan c) Price(s) and volume(s) Price(s) Volume(s) Nil 240 d) Aggregated information N/A - Aggregated volume - Price e) Date of the transaction 19th March, 2026 f) Place of the transaction N/A (Outside a trading venue) g) Additional Information Shares are being delivered on a net settlement basis Total Shares Vested Net Shares delivered to PDMR (after giving effect to withholding tax obligations) 259 240 Net settlement price was $38.58 Notification of Transactions by Persons Discharging Managerial Responsibilities and persons closely associated with them 1 Details of the person discharging managerial responsibilities / person closely associated a) Name Ken Bowles 2 Reason for the notification a) Position/status Executive Vice President & Group Chief Financial Officer /Executive Director b) Initial notification /Amendment Initial Notification 3 Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor a) Name Smurfit Westrock plc b) LEI 635400EGSEOPDW2EXS14 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, type of instrument Ordinary Shares of $0.001 each Identification code IE00028FXN24 b) Nature of the transaction Vesting of the dividend equivalent units which accrued on 18 March 2026 in relation to the first tranche of the 2025 RSU Conditional Awards granted under the Smurfit Westrock 2024 Long-Term Incentive Plan c) Price(s) and volume(s) Price(s) Volume(s) Nil 35 d) Aggregated information N/A - Aggregated volume - Price e) Date of the transaction 19th March, 2026 f) Place of the transaction N/A (Outside a trading venue) g) Additional Information Shares are being delivered on a net settlement basis Total Shares Vested Net Shares delivered to PDMR (after giving effect to withholding tax obligations) 74 35 Net settlement price was $38.58 Notification of Transactions by Persons Discharging Managerial Responsibilities and persons closely associated with them 1 Details of the person discharging managerial responsibilities / person closely associated a) Name Laurent Sellier 2 Reason for the notification a) Position/status President & Chief Executive Officer (North America including Mexico) b) Initial notification /Amendment Initial Notification 3 Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor a) Name Smurfit Westrock plc b) LEI 635400EGSEOPDW2EXS14 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, type of instrument Ordinary Shares of $0.001 each Identification code IE00028FXN24 b) Nature of the transaction Vesting of the dividend equivalent units which accrued on 18 March 2026 in relation to the first tranche of the 2025 RSU Conditional Awards granted under the Smurfit Westrock 2024 Long-Term Incentive Plan c) Price(s) and volume(s) Price(s) Volume(s) Nil 44 d) Aggregated information N/A - Aggregated volume - Price e) Date of the transaction 19th March, 2026 f) Place of the transaction N/A (Outside a trading venue) g) Additional Information Shares are being delivered on a net settlement basis Total Shares Vested Net Shares delivered to PDMR (after giving effect to withholding tax obligations) 74 44 Net settlement price was $38.58 Notification of Transactions by Persons Discharging Managerial Responsibilities and persons closely associated with them 1 Details of the person discharging managerial responsibilities / person closely associated a) Name Saverio Mayer 2 Reason for the notification a) Position/status President & Chief Executive Officer (Europe, MEA, APAC) b) Initial notification /Amendment Initial Notification 3 Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor a) Name Smurfit Westrock plc b) LEI 635400EGSEOPDW2EXS14 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, type of instrument Ordinary Shares of $0.001 each Identification code IE00028FXN24 b) Nature of the transaction Vesting of the dividend equivalent units which accrued on 18 March 2026 in relation to the first tranche of the 2025 RSU Conditional Awards granted under the Smurfit Westrock 2024 Long-Term Incentive Plan c) Price(s) and volume(s) Price(s) Volume(s) Nil 35 d) Aggregated information N/A - Aggregated volume - Price e) Date of the transaction 19th March, 2026 f) Place of the transaction N/A (Outside a trading venue) g) Additional Information Shares are being delivered on a net settlement basis Total Shares Vested Net Shares delivered to PDMR (after giving effect to withholding tax obligations) 63 35 Net settlement price was $38.58 Notification of Transactions by Persons Discharging Managerial Responsibilities and persons closely associated with them 1 Details of the person discharging managerial responsibilities / person closely associated a) Name Ben Garren 2 Reason for the notification a) Position/status Executive Vice President & Group General Counsel b) Initial notification /Amendment Initial Notification 3 Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor a) Name Smurfit Westrock plc b) LEI 635400EGSEOPDW2EXS14 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, type of instrument Ordinary Shares of $0.001 each Identification code IE00028FXN24 b) Nature of the transaction Vesting of the dividend equivalent units which accrued on 18 March 2026 in relation to the first tranche of the 2025 RSU Conditional Awards granted under the Smurfit Westrock 2024 Long-Term Incentive Plan c) Price(s) and volume(s) Price(s) Volume(s) Nil 21 d) Aggregated information N/A - Aggregated volume - Price e) Date of the transaction 19th March, 2026 f) Place of the transaction N/A (Outside a trading venue) g) Additional Information Shares are being delivered on a net settlement basis Total Shares Vested Net Shares delivered to PDMR (after giving effect to withholding tax obligations) 30 21 Net settlement price was $38.58 Notification of Transactions by Persons Discharging Managerial Responsibilities and persons closely associated with them 1 Details of the person discharging managerial responsibilities / person closely associated a) Name Alvaro Henao 2 Reason for the notification a) Position/status President & Chief Executive Officer, LATAM b) Initial notification /Amendment Initial Notification 3 Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor a) Name Smurfit Westrock plc b) LEI 635400EGSEOPDW2EXS14 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, type of instrument Ordinary Shares of $0.001 each Identification code IE00028FXN24 b) Nature of the transaction Vesting of the dividend equivalent units which accrued on 18 March 2026 in relation to the first tranche of the 2025 RSU Conditional Awards granted under the Smurfit Westrock 2024 Long-Term Incentive Plan c) Price(s) and volume(s) Price(s) Volume(s) Nil 10 d) Aggregated information N/A - Aggregated volume - Price e) Date of the transaction 19th March, 2026 f) Place of the transaction N/A (Outside a trading venue) g) Additional Information Shares are being delivered on a net settlement basis Total Shares Vested Net Shares delivered to PDMR (after giving effect to withholding tax obligations) 18 10 Net settlement price was $38.58 This information is provided by RNS, the news service of the London Stock Exchange. 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