Investor Presentation Fourth Quarter 2020

Increased allowance to reflect the current economic backdrop Reported Q4/19 Q3/20 Q4/20 • Canadian Credit Cards 3.8% 6.2% 6.2% Canadian Residential Mortgages <0.1% 0.1% 0.1% Canadian Personal Lending 1.2% 2.0% 1.9% Canadian Small Business 2.3% 3.4% 2.9% Canadian Commercial Banking 0.4% 0.9% 0.9% U.S. Commercial Banking 0.5% 1.2% 1.4% Capital Markets 0.5% 1.1% 1.1% CIBC FirstCaribbean (FCIB) 3.4% 4.8% 5.1% Total 0.5% 0.9% 0.9% Total Allowance Coverage Ratio¹ 0.5% 2,044 0.9% 0.9% Allowance coverages were up YoY and QoQ Reflective of updates to forward looking indicators, and increased provisions related to COVID-19 Performing and Impaired Allowance Coverage Ratios 35% 35% 0.65% 3,609 3,722 0.35% Q4/19 Q3/20 Q4/20 Allowance for Credit Losses ($MM) Allowance Coverage Ratio CIBC 1 Allowance for credit loss to gross carrying amount of loans. The gross carrying amount of loans include certain loans that are measured at FVTPL. 39% 0.67% Q4/19 Q3/20 -Impaired ACL to GIL Q4/20 Performing ACL to Total Loans Fourth Quarter, 2020 19

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