X0306 4 2020-10-13 0001732845 WestRock Co WRK 0001584438 Dickson Ward H. 1000 ABERNATHY ROAD NE ATLANTA GA 30328 0 1 0 0 EVP & Chief Financial Officer Common Stock 2020-10-13 4 A 0 2092 37.92 A 173030 D Common Stock 2020-10-13 4 F 0 4966 37.92 D 168064 D As reported on a Form 4 filed on May 22, 2020, the Compensation Committee determined to set payments under the fiscal 2020 short term incentive program at threshold (i.e. 50 percent of target) and make payouts following the end of fiscal 2020 in the form of Company common stock. The amount of shares listed as acquired on the prior Form 4 represented 90 percent of the total award amount for the recipient at threshold because the award amount remained subject to a safety modifier. The amount of shares listed as acquired on this Form 4 includes the remaining 10 percent of the share amount for the recipient, plus an additional 5 percent based on the certification by the Committee of safety results. Robert B. McIntosh 2020-10-15