Block listing Interim Review

Summary by AI ^BETAClose X

Smurfit Westrock plc has reported its six-monthly block listing return for the period ending January 9, 2026. The company began the period with 16,980,537 unallotted securities under its share plans, and during this period, 265,777 securities were issued or allotted. Consequently, the balance of unallotted securities remaining at the end of the period stands at 16,714,760.

Disclaimer*

Smurfit Westrock PLC

12 January 2026

BLOCK LISTING SIX MONTHLY RETURN

INFORMATION PROVIDED ON THIS FORM MUST BE TYPED OR PRINTED ELECTRONICALLY AND PROVIDED TO A PIP.

(Note: Italicised terms have the same meaning as given in the UK Listing Rules.)

Date: 12 January 2026

Name of applicant:		Smurfit Westrock plc
Name of scheme:		Share plans of Smurfit Westrock, Smurfit Kappa and WestRock described in paragraph 13 (Share plans of the Combined Group) of Part 14 (Additional Information) of the prospectus published by Smurfit Westrock on 14 May 2024.
Period of return:	From:	10 July 2025	To:	09 January 2026
Balance of unallotted securities under scheme(s) from previous return:		16,980,537
Plus: The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):		0
Less: Number of securities issued/allotted under scheme(s) during period (see UKLR 20.6.7G):		265,777
Equals: Balance under scheme(s) not yet issued/allotted at end of period:		16,714,760

Name of contact:	Nicola Coyle
Telephone number of contact:	+353 1 202 7000

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