First Quarter, 2024 Earnings Report

CIBC Overview First quarter results demonstrate continued momentum driven by successful execution of our strategy Diluted EPS Reported $1.77 Adjusted 1.2 $1.81 YoY +354% (7)%2 Revenue Reported & Adjusted² $6.2B YoY +5% PPPT3 Reported $2.8B Adjusted² $2.9B YoY +88% +8%2 NIAT Reported $1.7B Adjusted² $1.8B YoY +299%(4)%2 ROE4 Reported 13.5% Adjusted 2,5 13.8% YoY +10% (2)%2 Endnotes are included on slides 49 to 54. CIBC 25% 2% 40% $6.2B +5% YoY ■Personal & Business Banking ■Cdn. Comm. & Wealth Mgmt 1.66% U.S. Comm. & Wealth Mgmt ■Capital Markets & DFS 11% " Corporate & Other 22% Record revenue and pre-provision pre- tax earnings, driven by strong broad- based performance Expense Growth (YoY %) +6 bps +1.72% Reported 48% Adjusted² 9% Q1/23 Q2/23 Q3/23 Q4/23 Q1/24 1% 7% 4% (1)% (22)% 6% 3% 3% Operating Leverage Q1/23 Q2/23 Q3/23 Q4/23 Q1/24 Continued margin expansion - NIM6 (ex-trading) up 6 bps YoY, supported by pricing discipline and strategies Q1/23 Q2/23 Q3/23 Q4/23 Q1/24 Reported (39.7)% 5.2% 1.2% 9.8% 27.3% Adjusted² (1.4)% (0.4)% (0.1)% 6.1% 2.1% Contained expense growth (adjusted up 3% YoY) enabling positive operating leverage +64 bps +18 bps) 0.77% +30 bps +26 bps 13.0% 12.2% 12.4% 11.9% 11.6% 0.51% Q1/20 Q1/21 Q1/22 Q1/23 Q1/24 Q1/23 Q2/23 Q3/23 Q4/23 Q1/24 Maintained strong allowance coverage - ACL ratio remains well-above pre-pandemic levels 4Q of consecutive CET1 accretion resulting in a ratio of 13.0%, up 138 bps YoY First Quarter, 2024 ~700K Continued to drive new client growth net new clients grew ~700K over the last twelve months 10 3

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