Smurfit Westrock plc

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Specialized Disclosure Report

General form for quarterly reports under Section 13 or 15(d)

Submission of Matters to a Vote of Security Holders

Results of Operations and Financial Condition

Annual Report Scanned (Paper)

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Automatic Shelf Registration

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Specialized Disclosure Report

General form for quarterly reports under Section 13 or 15(d)

Submission of Matters to a Vote of Security Holders

Results of Operations and Financial Condition

Cost Associated with Exit or Disposal Activities

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Correspondence with the SEC

Letter from the SEC

Registration statement under Securities Act of 1933

Annual Report Scanned (Paper)

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Annual report pursuant to Section 13 or 15(d)

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Other Events

Entry into a Material Definitive Agreement

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Regulation FD Disclosure

Entry into a Material Definitive Agreement

9.01

General form for quarterly reports under Section 13 or 15(d)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Certification of approval for listing and registration on a national securities exchange

Registration of Securities on Exchange

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

General form for quarterly reports under Section 13 or 15(d)

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Draft registration statement (confidential submission)

Sellier Laurent

Henao Alvaro

Mayer Saverio

Page Irene

SMURFIT ANTHONY P J

Brown Carole Lynnette

Finan Irial

BERNLOHR TIMOTHY J

Hietala Kaisa

WILSON ALAN D

FergusonMchugh MaryLynn

Fairweather Carol

Bowles Ken

Harrison Suzan F.

Garren Ben

Arnold Colleen F.

Rasmussen Jorgen Buhl

Garren Ben

Sellier Laurent

Bowles Ken