Alan D. Wilson - 05 Jul 2024 Form 4 Insider Report for WestRock Co

Footnote F1

Includes an aggregate of 54,148.0 shares underlying unvested restricted stock unit awards and vested restricted stock unit awards held pursuant to Non-Employee Director Deferred Compensation Plans, which awards were fully vested (to the extent not already vested) as of immediately prior to the Merger Effective Time (as defined in the Transaction Agreement, dated as of September 12, 2023, by and among the Issuer, Smurfit Kappa Group plc, Smurfit Westrock plc (formerly known as Smurfit WestRock Limited, "Smurfit Westrock"), and Sun Merger Sub, LLC (the "Transaction Agreement")). Also includes dividend equivalents exempt from Section 16 that were credited since the Reporting Person's most recent Form 4.

Footnote F2

Pursuant to the Transaction Agreement, at the Merger Effective Time, each share of the Issuer's common stock held by the Reporting Person was cancelled and automatically converted into the right to receive, without interest and less applicable withholding taxes, one ordinary share of Smurfit Westrock and $5.00 in cash. With respect to any amount payable that constitutes nonqualified deferred compensation subject to Section 409A of the Internal Revenue Code ("Section 409A"), to the extent that payment of such amount would otherwise cause the imposition of a tax or penalty under Section 409A, the delivery of the Merger Consideration will be made at the earliest time permitted under the Transaction Agreement and the terms of the corresponding award that will not result in the imposition of such tax or penalty.