Investor Presentation

Key Commodity Annual Consumption Volumes Approx. Annual Consumption Volumes. 40 40 Commodity Category Volume Recycled Fiber (tons millions) 5.3 Wood (tons millions) 43 Natural Gas (cubic feet billions) 83 Electricity (kwh billions) 6.7 Polyethylene (lbs millions) 52 Caustic Soda (tons thousands) 238 Starch (lbs millions) 576 Sensitivity Analysis Increase in Spot Price Approx. Annual EPS Impact Category Recycled Fiber (tons millions) Natural Gas (cubic feet billions) +$10.00/ton ($0.16) +$0.25/ MMBTU ($0.06) +10% USD FX Translation Impact ($0.07) Appreciation WestRock

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