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 1. Grant of the 2026 PSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan 2. Grant of the 2026 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan 3. Vesting of the first tranche of the 2025 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan c) Price(s) and volume(s) Price(s) Volume(s) 1. Nil 253,258 2. Nil 84,419 3. Nil 20,592 d) Aggregated information N/A - Aggregated volume - Price e) Date of the transaction 1. 11 March 2026 2. 11 March 2026 3. 12 March 2026 f) Place of the transaction N/A (Outside a trading venue) g) Additional Information 3. Shares are being delivered on a net settlement basis Total Shares Vested Net Shares delivered to PDMR (after giving effect to withholding tax obligations) 3. 22,197 20,592 Net settlement price was $42.20 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 1. Grant of the 2026 PSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan 2. Grant of the 2026 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan 3. Vesting of the first tranche of 2025 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan c) Price(s) and volume(s) Price(s) Volume(s) 1. Nil 75,533 2. Nil 25,178 3. Nil 3,064 d) Aggregated information N/A - Aggregated volume - Price e) Date of the transaction 1. 11 March 2026 2. 11 March 2026 3. 12 March 2026 f) Place of the transaction N/A (Outside a trading venue) g) Additional Information 3. Shares are being delivered on a net settlement basis Total Shares Vested Net Shares delivered to PDMR (after giving effect to withholding tax obligations) 3. 6,412 3,064 Net settlement price was $42.20 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 1. Grant of the 2026 PSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan 2. Grant of the 2026 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan 3. Vesting of the first tranche of 2025 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan c) Price(s) and volume(s) Price(s) Volume(s) 1. Nil 75,533 2. Nil 25,178 3. Nil 3,888 d) Aggregated information N/A - Aggregated volume - Price e) Date of the transaction 1. 11 March 2026 2. 11 March 2026 3. 12 March 2026 f) Place of the transaction N/A (Outside a trading venue) g) Additional Information 3. Shares are being delivered on a net settlement basis Total Shares Vested Net Shares delivered to PDMR (after giving effect to withholding tax obligations) 3. 6,412 3,888 Net settlement price was $42.20 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 1. Grant of the 2026 PSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan 2. Grant of the 2026 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan 3. Vesting of the first tranche of 2025 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan c) Price(s) and volume(s) Price(s) Volume(s) 1. Nil 63,092 2. Nil 21,031 3. Nil 3,092 d) Aggregated information N/A - Aggregated volume - Price e) Date of the transaction 1. 11 March 2026 2. 11 March 2026 3. 12 March 2026 f) Place of the transaction N/A (Outside a trading venue) g) Additional Information 3. Shares are being delivered on a net settlement basis Total Shares Vested Net Shares delivered to PDMR (after giving effect to withholding tax obligations) 3. 5,425 3,092 Net settlement price was $42.20 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 1. Grant of the 2026 PSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan 2. Grant of the 2026 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan 3. Vesting of the first tranche of 2025 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan c) Price(s) and volume(s) Price(s) Volume(s) 1. Nil 23,104 2. Nil 7,701 3. Nil 1,807 d) Aggregated information N/A - Aggregated volume - Price e) Date of the transaction 1. 11 March 2026 2. 11 March 2026 3. 12 March 2026 f) Place of the transaction N/A (Outside a trading venue) g) Additional Information 3. Shares are being delivered on a net settlement basis Total Shares Vested Net Shares delivered to PDMR (after giving effect to withholding tax obligations) 3. 2,565 1,807 Net settlement price was $42.20 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 1. Grant of the 2026 PSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan 2. Grant of the 2026 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan 3. Vesting of the first tranche of 2025 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan c) Price(s) and volume(s) Price(s) Volume(s) 1. Nil 21,771 2. Nil 7,257 3. Nil 986 d) Aggregated information N/A - Aggregated volume - Price e) Date of the transaction 1. 11 March 2026 2. 11 March 2026 3. 12 March 2026 f) Place of the transaction N/A (Outside a trading venue) g) Additional Information 3. Shares are being delivered on a net settlement basis Total Shares Vested Net Shares delivered to PDMR (after giving effect to withholding tax obligations) 3. 1,627 986 Net settlement price was $42.20 This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact [email protected] or visit www.rns.com. RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy. END