Investor Presentaiton

25 KEY COMMODITY ANNUAL CONSUMPTION VOLUMES KEY COMMODITY ANNUAL CONSUMPTION VOLUMES APPROX. FY22 ANNUAL CONSUMPTION VOLUMES Commodity Category Recycled Fiber (tons millions) Wood (tons millions) Natural Gas (MMBTU) Electricity (kwh billions) Polyethylene (lbs millions) Caustic Soda (tons thousands) Starch (lbs millions) SENSITIVITY ANALYSIS Volume 5.6 36 91 6.1 37 245 600 Approx. Category Increase in Spot Price Annual EPS Impact Recycled Fiber (tons millions) +$10.00/ton ($0.16) Natural Gas (MMBTU) +$0.25/ MMBTU ($0.06) FX Translation Impact +10% USD Appreciation ($0.07) WestRock

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