X0306 4 2022-08-18 0001732845 WestRock Co WRK 0001464827 O'Neal John L 1000 ABERNATHY ROAD NE SUITE 125 ATLANTA GA 30328 0 1 0 0 President, Global Paper Common Stock 2022-08-18 4 M 0 5173 35.64 A 51478 D Common Stock 2022-08-18 4 S 0 5173 42.55 D 46305 D Employee Stock Option (right to buy) 35.64 2022-08-18 4 M 0 5173 0 D 2023-01-25 Common Stock 5173 0 D Prior Form 4 inadvertently reflected options in Table 1. Effective May 31, 2022, the Issuer eliminated the WestRock Company Stock Fund as an investment alternative available under its 401(k) plan. As a result, the approximately 566 shares of WestRock Company common stock the Reporting Person previously reported as beneficially owned under the plan were liquidated. Option vested in three equal installments on each anniversary of the January 25, 2013 grant date. Stephanie W. Bignon (attorney-in-fact pursuant to power of attorney filed herewith) 2022-08-22