Transaction Details

Footnotes

On March 11, 2026, the reporting person was granted 84,419 restricted stock units. Each restricted stock unit represents a contingent right to receive one ordinary share. The restricted stock units are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date. | Reflects ordinary shares of Smurfit Westrock plc withheld to satisfy the Reporting Person's tax withholding obligation upon vesting and settlement of their restricted stock units. | These shares are held by the Reporting Person's child who is part of the Reporting Person's household. The Reporting Person disclaims ownership of the shares held by this child, and this report is not an admission that the Reporting Person is the beneficial owner of these shares for the purposes of Section 16 or for any other purposes.