Investor Presentaiton

Key Commodity Annual Consumption Volumes and FX by Currency Expected Annual Consumption Volumes FX By Currency in Q1 FY17 Commodity Category Volume 3% 3% 3% EUR BRL Other 7% Recycled Fiber (tons millions) 5 CAD Wood (tons millions) 31 Natural Gas (cubic feet billions) 65 Diesel (gallons millions) 87 Electricity (kwh billions) 4.7 Revenue by Transaction Currency Polyethylene (lbs millions) 40 Caustic Soda (tons thousands) Starch (lbs millions) 194 524 33 Sensitivity Analysis Category Recycled Fiber (tons millions) Natural Gas (cubic feet billions) FX Translation Impact +$10.00/ton Increase in Spot Price Annual EPS Impact ($0.11) ($0.04) ($0.05 - $0.06) +$0.25/MMBTU +10% USD Appreciation 84% USD WestRock

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