Investor Presentaiton

Q2 2022 - Consolidated Profitability Drivers (in millions of CAD$) Consolidated Adjusted OIBD¹ Variation Drivers Quarter-over-Quarter Q2 2022 vs Q1 2022 Year-over-Year Q2 2022 vs Q2 2021 Year-to-Date 2022 vs 2021 Pricing & Mix $51 million $147 million $233 million Freight & Production Costs ($25) million ($84) million ($143) million Volume, FX & Others $8 million ($2) million ($6) million Raw Material & Energy ($1) million ($68) million ($155) million (1) Please click here for supplemental information on Non-IFRS measures and other financial measures. 7

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