Investor Presentation Fourth Quarter 2020

Provision for credit losses lower in both impaired and performing loans Reported & Adjusted¹ ($MM) Q4/19 Q3/20 Q4/20 Cdn. Personal & Business Banking 255 220 130 Impaired 218 151 89 Performing 37 69 41 Cdn. Commercial Banking & Wealth 80 57 25 Impaired 71 45 21 Provision for Credit Losses down YoY & QoQ Provisions were lower in Q4/20 after raising the allowance for performing loans in Q2/20 and Q3/20 Performing provisions were down QoQ in most business lines Impaired provisions in Canadian Personal & Business Banking were down due to lower write-offs, reflecting the impact of our client relief programs and government support Performing 9 12 4 U.S. Commercial Banking & Wealth 17 160 82 Provision for Credit Losses Ratio Impaired 13 42 55 0.50% Performing 4 118 27 0.40% Capital Markets Impaired Performing 422 45 61 8 0.28% 24 56 19 0.33% 0.29% 21 (11) 0.17% Corporate & Other 5 27 46 225 Impaired (6) 72 Performing 1 21 52 113 Total PCL Impaired Performing 402 525 291 330 300 178 330 300 178 72 225 113 Q4/19 Q3/20 Q4/20 PCL on Impaired PCL Rate on Impaired PCL on Performing Total PCL Rate CIBC 1 Adjusted results are non-GAAP financial measures. See slide 38 for further details. Fourth Quarter, 2020 17

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