First Quarter, 2024 Earnings Report

Provision for Credit Losses (PCL) Total PCLs trended higher in Q1/24 • Provision for Credit Losses up YoY and QoQ Impaired provisions were up in Q1/24, largely due to higher impairments in the Canadian retail portfolio, partially offset by lower impairments in the U.S. commercial portfolio Performing provision in Q1/24 largely driven by U.S. commercial portfolio reflective of an allowance increase for the office sector and model parameter updates, and Canadian retail portfolio reflective of unfavourable credit migration Provision for Credit Losses Ratio¹ ($MM) Q1/23 Q4/23 Q1/24 Cdn. Personal & Business Banking Impaired Performing 158 282 329 188 259 285 (30) 23 44 Cdn. Commercial Banking & Wealth 46 11 20 Impaired 26 11 16 Performing 20 4 U.S. Commercial Banking & Wealth 98 249 244 0.43% 0.40% Impaired 41 205 189 0.22% 0.36% Performing 57 44 55 0.35% 0.19% Capital Markets (10) 4 8 Impaired (11) 6 93 63 Performing 1 (2) 2 Corporate & Other 3 (5) (16) 36 478 492 259 Impaired Performing 15 (3) (4) (12) (2) (12) Q1/23 Q4/23 -Impaired PCL Ratio Endnotes are included on slides 49 to 54. Q1/24 PCL on Impaired PCL on Performing Total PCL Ratio Total Impaired Performing 295 541 585 259 478 492 36 63 93 CIBC First Quarter, 2024 37

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