X0306 4 2019-02-02 0001732845 WestRock Co WRK 0001684821 Chalovich Jeffrey Wayne 1000 ABERNATHY ROAD NE ATLANTA GA 30328 0 1 0 0 President - Corrugated Pkging Common Stock 2019-02-02 4 A 0 47060 38.70 A 109562 D Common Stock 2019-02-02 4 F 0 17400 38.70 D 92162 D Common Stock 817 I By Spouse Relates to a grant of performance-based stock on February 2, 2016, which, pursuant to its terms, vested on February 2, 2019. The performance results were certified by the compensation committee of the board of directors of WestRock Company on January 31, 2019. The amount of shares shown includes 4,366 shares that were received through dividend reinvestments on the award since the date of the grant. Robert B. McIntosh (Attorney-in-fact pursuant to power of attorney previously filed with the SEC) 2019-02-05