Investor Presentation

Strategic Investments Florence, SC Mill Investment Porto Feliz Corrugated Plant Tres Barras Mill Upgrade Master Reel MR125 New 330" state-of-the-art paper machine Replaces 3 old machines with 1 new machine 710k tons of capacity Expected to become a 1st quartile virgin fiber linerboard mill Total estimated project cost of $410 million Expected completion in 1H FY20 Expected to become one of the largest and most productive box plants in the Americas Enhanced capability with high- graphic technology Increased integration with Tres Barras virgin containerboard mill Total estimated net investment of $125 million Expected completion in Q3 FY19 Expected to achieve full potential of the mill Production increases to approx. 750k tons per year from approx. 520K tons per year Increases energy self-sufficiency to approx. 85% from 55% Fiber mix improves to 100% virgin fiber from approx. 80% virgin / 20% recycled Expected capital investment of $345 million Expected completion in 1H CY21 21 21 WestRock

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