SW

SEC source: 0001628280-26-061765 · wk-form4_1789399719.xml · derivative · entry 3

SMURFIT ANTHONY P J · CIK 0001133264 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,854

Underlying: Ordinary Shares · 910 shares

Expires not disclosed

F1 · derivative.exercise_price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F4 · derivative.exercise_date: The 85,854 restricted stock units vest and are due to settle in February 2027.

F4 · derivative.expiration_date: The 85,854 restricted stock units vest and are due to settle in February 2027.

SEC source: 0001628280-26-061765 · wk-form4_1789399719.xml · nonDerivative · entry 1

SMURFIT ANTHONY P J · CIK 0001133264 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,728,994

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 132,144 restricted stock units which are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-061764 · wk-form4_1789399697.xml · derivative · entry 2

Page Irene · CIK 0002029262 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,361

Underlying: Ordinary Shares · 152 shares

Expires not disclosed

F1 · derivative.exercise_price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F3 · derivative.exercise_date: The 14,361 restricted stock units vest and are due to settle in February 2027.

F3 · derivative.expiration_date: The 14,361 restricted stock units vest and are due to settle in February 2027.

SEC source: 0001628280-26-061764 · wk-form4_1789399697.xml · nonDerivative · entry 1

Page Irene · CIK 0002029262 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,787

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 5,469 restricted stock units which are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-061761 · wk-form4_1789399589.xml · derivative · entry 2

Mayer Saverio · CIK 0002028256 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,054

Underlying: Ordinary Shares · 403 shares

Expires not disclosed

F1 · derivative.exercise_price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F3 · derivative.exercise_date: The 38,054 restricted stock units vest and are due to settle in February 2027.

F3 · derivative.expiration_date: The 38,054 restricted stock units vest and are due to settle in February 2027.

SEC source: 0001628280-26-061761 · wk-form4_1789399589.xml · nonDerivative · entry 1

Mayer Saverio · CIK 0002028256 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 241,684

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 32,704 restricted stock units which are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-061760 · wk-form4_1789399555.xml · derivative · entry 2

Henao Alvaro · CIK 0002053658 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,703

Underlying: Ordinary Shares · 208 shares

Expires not disclosed

F1 · derivative.exercise_price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F3 · derivative.exercise_date: The 19,703 restricted stock units vest and are due to settle in February 2027.

F3 · derivative.expiration_date: The 19,703 restricted stock units vest and are due to settle in February 2027.

SEC source: 0001628280-26-061760 · wk-form4_1789399555.xml · nonDerivative · entry 1

Henao Alvaro · CIK 0002053658 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,871

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 10,778 restricted stock units which are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-061758 · wk-form4_1789399526.xml · derivative · entry 3

Sellier Laurent · CIK 0002029274 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,666

Underlying: Ordinary Shares · 335 shares

Expires not disclosed

F1 · derivative.exercise_price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F3 · derivative.exercise_date: The 31,666 restricted stock units vest and are due to settle in February 2027.

F3 · derivative.expiration_date: The 31,666 restricted stock units vest and are due to settle in February 2027.

SEC source: 0001628280-26-061758 · wk-form4_1789399526.xml · nonDerivative · entry 1

Sellier Laurent · CIK 0002029274 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 139,015

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 38,980 restricted stock units which are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-061757 · wk-form4_1789399498.xml · nonDerivative · entry 1

Garren Ben · CIK 0002030058 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,996

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 13,168 restricted stock units which are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-061756 · wk-form4_1789399444.xml · derivative · entry 2

Bowles Ken · CIK 0002026939 · Director · Executive VP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,228

Underlying: Ordinary Shares · 458 shares

Expires not disclosed

F1 · derivative.exercise_price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F3 · derivative.exercise_date: The 43,228 restricted stock units vest and are due to settle in February 2027.

F3 · derivative.expiration_date: The 43,228 restricted stock units vest and are due to settle in February 2027.

SEC source: 0001628280-26-061756 · wk-form4_1789399444.xml · nonDerivative · entry 1

Bowles Ken · CIK 0002026939 · Director · Executive VP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 174,487

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 38,980 restricted stock units which are scheduled to vest in three equal annual installments on the first anniversary of the grant date.

SEC source: 0001628280-26-061755 · wk-form4_1789399403.xml · nonDerivative · entry 1

Fairweather Carol · CIK 0002029261 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,644

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 4,537 restricted stock units which will vest on the earlier of (i) May 1, 2027, or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders.

SEC source: 0001628280-26-061754 · wk-form4_1789399390.xml · nonDerivative · entry 1

FergusonMchugh MaryLynn · CIK 0001613133 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,644

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 4,537 restricted stock units which will vest on the earlier of (i) May 1, 2027, or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders.

SEC source: 0001628280-26-061753 · wk-form4_1789399377.xml · nonDerivative · entry 1

WILSON ALAN D · CIK 0001216704 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,580.2

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 4,537 restricted stock units which will vest on the earlier of (i) May 1, 2027, or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders and 59,017.2 fully vested restricted stock units that will be settled in ordinary shares following the Reporting Person's cessation of service as a member of the Issuer's board of directors in accordance with the terms of the WestRock Company 2016 Deferred Compensation Plan for Non-Employee Directors.

SEC source: 0001628280-26-061752 · wk-form4_1789399311.xml · nonDerivative · entry 1

Finan Irial · CIK 0001299112 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,973

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 7,129 restricted stock units which will vest on the earlier of (i) May 1, 2027, or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders.

SEC source: 0001628280-26-061751 · wk-form4_1789399290.xml · nonDerivative · entry 1

Hietala Kaisa · CIK 0001868531 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,115

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 4,537 restricted stock units which will vest on the earlier of (i) May 1, 2027, or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders.

SEC source: 0001628280-26-061750 · wk-form4_1789399274.xml · nonDerivative · entry 1

Harrison Suzan F. · CIK 0001706044 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,054

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 4,537 restricted stock units which will vest on the earlier of (i) May 1, 2027, or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders.

SEC source: 0001628280-26-061749 · wk-form4_1789399255.xml · nonDerivative · entry 1

Arnold Colleen F. · CIK 0001409123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,622.748

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 4,537 restricted stock units which will vest on the earlier of (i) May 1, 2027, or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders and 27,897.748 fully vested restricted stock units that will be settled in ordinary shares following the Reporting Person's cessation of service as a member of the Issuer's board of directors in accordance with the terms of the WestRock Company 2016 Deferred Compensation Plan for Non-Employee Directors.

SEC source: 0001628280-26-061748 · wk-form4_1789399232.xml · nonDerivative · entry 1

BERNLOHR TIMOTHY J · CIK 0001286593 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,619

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 4,537 restricted stock units which will vest on the earlier of (i) May 1, 2027, or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders.

SEC source: 0001628280-26-061747 · wk-form4_1789399204.xml · nonDerivative · entry 1

Brown Carole Lynnette · CIK 0001820224 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,836

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 4,537 restricted stock units which will vest on the earlier of (i) May 1, 2027, or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders.

SEC source: 0001628280-26-061746 · wk-form4_1789399186.xml · nonDerivative · entry 1

Rasmussen Jorgen Buhl · CIK 0002029266 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,790

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 4,537 restricted stock units which will vest on the earlier of (i) May 1, 2027, or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders.

SEC source: 0001628280-26-057599 · wk-form4_1787067990.xml · nonDerivative · entry 1

SMURFIT ANTHONY P J · CIK 0001133264 · Director · President and Group CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,728,508

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents based on the Issuer's quarterly dividend of $0.4523 per ordinary share, with such accrual determined as of the dividend record date. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share

F2 · balance_after: Includes 131,658 restricted stock unit awards. Each restricted stock unit represents a contingent right to receive one ordinary share. The RSUs are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-057596 · wk-form4_1787067839.xml · nonDerivative · entry 1

Henao Alvaro · CIK 0002053658 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,836

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents based on the Issuer's quarterly dividend of $0.4523 per ordinary share, with such accrual determined as of the dividend record date. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share

F2 · balance_after: Includes 10,743 restricted stock unit awards. Each restricted stock unit represents a contingent right to receive one ordinary share. The RSUs are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-057595 · wk-form4_1787067814.xml · nonDerivative · entry 1

Garren Ben · CIK 0002030058 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,940

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents based on the Issuer's quarterly dividend of $0.4523 per ordinary share, with such accrual determined as of the dividend record date. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share

F2 · balance_after: Includes 13,112 restricted stock unit awards. Each restricted stock unit represents a contingent right to receive one ordinary share. The RSUs are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-057598 · wk-form4_1787067903.xml · nonDerivative · entry 1

Page Irene · CIK 0002029262 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,764

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents based on the Issuer's quarterly dividend of $0.4523 per ordinary share, with such accrual determined as of the dividend record date. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share

F2 · balance_after: Includes 5,446 restricted stock unit awards. Each restricted stock unit represents a contingent right to receive one ordinary share. The RSUs are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-057594 · wk-form4_1787067789.xml · nonDerivative · entry 1

Sellier Laurent · CIK 0002029274 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 138,875

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents based on the Issuer's quarterly dividend of $0.4523 per ordinary share, with such accrual determined as of the dividend record date. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share

F2 · balance_after: Includes 38,840 restricted stock unit awards. Each restricted stock unit represents a contingent right to receive one ordinary share. The RSUs are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-057597 · wk-form4_1787067874.xml · nonDerivative · entry 1

Mayer Saverio · CIK 0002028256 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 241,565

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents based on the Issuer's quarterly dividend of $0.4523 per ordinary share, with such accrual determined as of the dividend record date. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share

F2 · balance_after: Includes 32,585 restricted stock unit awards. Each restricted stock unit represents a contingent right to receive one ordinary share. The RSUs are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-057600 · wk-form4_1787068018.xml · nonDerivative · entry 1

Bowles Ken · CIK 0002026939 · Director · Executive VP and Group CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 174,347

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents based on the Issuer's quarterly dividend of $0.4523 per ordinary share, with such accrual determined as of the dividend record date. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share

F2 · balance_after: Includes 38,840 restricted stock unit awards. Each restricted stock unit represents a contingent right to receive one ordinary share. The RSUs are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-042718 · wk-form4_1781280047.xml · derivative · entry 3

SMURFIT ANTHONY P J · CIK 0001133264 · Director · President and Group CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,944

Underlying: Ordinary Shares · 975 shares

Expires not disclosed

F1 · derivative.exercise_price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F4 · derivative.exercise_date: The 84,944 restricted stock units vest and are due to settle in February 2027.

F4 · derivative.expiration_date: The 84,944 restricted stock units vest and are due to settle in February 2027.

SEC source: 0001628280-26-042718 · wk-form4_1781280047.xml · nonDerivative · entry 1

SMURFIT ANTHONY P J · CIK 0001133264 · Director · President and Group CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,727,724

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 130,874 restricted stock units which are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-042723 · wk-form4_1781280108.xml · derivative · entry 2

Henao Alvaro · CIK 0002053658 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,495

Underlying: Ordinary Shares · 223 shares

Expires not disclosed

F1 · derivative.exercise_price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F3 · derivative.exercise_date: The 19,495 restricted stock units vest and are due to settle in February 2027.

F3 · derivative.expiration_date: The 19,495 restricted stock units vest and are due to settle in February 2027.

SEC source: 0001628280-26-042723 · wk-form4_1781280108.xml · nonDerivative · entry 1

Henao Alvaro · CIK 0002053658 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,769

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 10,676 restricted stock units which are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-042724 · wk-form4_1781280117.xml · nonDerivative · entry 1

Garren Ben · CIK 0002030058 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,869

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 13,041 restricted stock units which are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-042716 · wk-form4_1781280030.xml · derivative · entry 2

Page Irene · CIK 0002029262 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,209

Underlying: Ordinary Shares · 163 shares

Expires not disclosed

F1 · derivative.exercise_price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F3 · derivative.exercise_date: The 14,209 restricted stock units vest and are due to settle in February 2027.

F3 · derivative.expiration_date: The 14,209 restricted stock units vest and are due to settle in February 2027.

SEC source: 0001628280-26-042716 · wk-form4_1781280030.xml · nonDerivative · entry 1

Page Irene · CIK 0002029262 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,735

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 5,417 restricted stock units which are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-042711 · wk-form4_1781279976.xml · nonDerivative · entry 1

Fairweather Carol · CIK 0002029261 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,596

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 4,489 restricted stock units which will vest on the earlier of (i) May 1, 2027 or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders.

SEC source: 0001628280-26-042721 · wk-form4_1781280090.xml · derivative · entry 3

Sellier Laurent · CIK 0002029274 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,331

Underlying: Ordinary Shares · 359 shares

Expires not disclosed

F1 · derivative.exercise_price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F3 · derivative.exercise_date: The 31,331 restricted stock units vest and are due to settle in February 2027.

F3 · derivative.expiration_date: The 31,331 restricted stock units vest and are due to settle in February 2027.

SEC source: 0001628280-26-042721 · wk-form4_1781280090.xml · nonDerivative · entry 1

Sellier Laurent · CIK 0002029274 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 138,641

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 38,606 restricted stock units which are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-042714 · wk-form4_1781280007.xml · nonDerivative · entry 1

Rasmussen Jorgen Buhl · CIK 0002029266 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,742

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 4,489 restricted stock units which will vest on the earlier of (i) May 1, 2027 or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders.

SEC source: 0001628280-26-042722 · wk-form4_1781280099.xml · derivative · entry 2

Mayer Saverio · CIK 0002028256 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,651

Underlying: Ordinary Shares · 432 shares

Expires not disclosed

F1 · derivative.exercise_price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F3 · derivative.exercise_date: The 37,651 restricted stock units vest and are due to settle in February 2027.

F3 · derivative.expiration_date: The 37,651 restricted stock units vest and are due to settle in February 2027.

SEC source: 0001628280-26-042722 · wk-form4_1781280099.xml · nonDerivative · entry 1

Mayer Saverio · CIK 0002028256 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 241,370

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 32,390 restricted stock units which are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001628280-26-042717 · wk-form4_1781280038.xml · derivative · entry 2

Bowles Ken · CIK 0002026939 · Director · Executive VP and Group CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,770

Underlying: Ordinary Shares · 490 shares

Expires not disclosed

F1 · derivative.exercise_price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F3 · derivative.exercise_date: The 42,770 restricted stock units vest and are due to settle in February 2027.

F3 · derivative.expiration_date: The 42,770 restricted stock units vest and are due to settle in February 2027.

SEC source: 0001628280-26-042717 · wk-form4_1781280038.xml · nonDerivative · entry 1

Bowles Ken · CIK 0002026939 · Director · Executive VP and Group CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 174,113

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 38,606 restricted stock units which are scheduled to vest in three equal annual installments on the first anniversary of the grant date.

SEC source: 0001628280-26-042726 · wk-form4_1781280145.xml · nonDerivative · entry 1

Finan Irial · CIK 0001299112 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,898

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 7,054 restricted stock units which will vest on the earlier of (i) May 1, 2027, or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders.

SEC source: 0001628280-26-042719 · wk-form4_1781280057.xml · nonDerivative · entry 1

FergusonMchugh MaryLynn · CIK 0001613133 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,596

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 4,489 restricted stock units which will vest on the earlier of (i) May 1, 2027, or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders.

SEC source: 0001628280-26-042715 · wk-form4_1781280019.xml · nonDerivative · entry 1

Arnold Colleen F. · CIK 0001409123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,278.98

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 4,489 restricted stock units which will vest on the earlier of (i) May 1, 2027 or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders and and 27,601.98 fully vested restricted stock units that will be settled in ordinary shares following the Reporting Person's cessation of service as a member of the Issuer's board of directors in accordance with the terms of the WestRock Company 2016 Deferred Compensation Plan for Non-Employee Directors.

SEC source: 0001628280-26-042713 · wk-form4_1781279997.xml · nonDerivative · entry 1

Harrison Suzan F. · CIK 0001706044 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,006

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 4,489 restricted stock units which will vest on the earlier of (i) May 1, 2027 or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders.

SEC source: 0001628280-26-042712 · wk-form4_1781279988.xml · nonDerivative · entry 1

Brown Carole Lynnette · CIK 0001820224 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,788

F1 · price: In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

F2 · balance_after: Includes 4,489 restricted stock units which will vest on the earlier of (i) May 1, 2027 or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders.