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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: April 23, 2025 4:00 P.M.
Form: S-4
CIK: 0002005951
Company Name: Smurfit Westrock plc
File Number: 333-286364
CIK: 0001732845
Company Name: WestRock Co
File Number: 333-286364-12
CIK: 0001907939
Company Name: WestRock MWV, LLC
File Number: 333-286364-11
CIK: 0001908009
Company Name: WestRock RKT, LLC
File Number: 333-286364-10
CIK: 0001636023
Company Name: WRKCo Inc.
File Number: 333-286364-09
CIK: 0002060630
Company Name: Smurfit Kappa Treasury Unlimited Co
File Number: 333-286364-08
CIK: 0002060635
Company Name: Smurfit Westrock Financing Designated Activity Co
File Number: 333-286364-07
CIK: 0002060537
Company Name: Smurfit Kappa Acquisitions Unlimited Co
File Number: 333-286364-06
CIK: 0002060546
Company Name: Smurfit Kappa Investments Ltd
File Number: 333-286364-05
CIK: 0002060550
Company Name: Smurfit Kappa Treasury Funding Designated Activity Co
File Number: 333-286364-04
CIK: 0002060567
Company Name: Smurfit WestRock US Holdings Corp
File Number: 333-286364-03
CIK: 0002061186
Company Name: Smurfit Kappa Group plc
File Number: 333-286364-02
CIK: 0000937275
Company Name: SMURFIT INTERNATIONAL B V
File Number: 333-286364-01