Third Quarter 2023 Financial Results Overview

Balance Sheet NII continues to benefit from B/S growth and repricing to reflect prevailing market rates Average Assets ($B) & Yields 1,2,3 Average Liabilities and Equity ($B), & Costs 1,4,5 3.63% 3.86% 5.17% 5.35% 3.28% 4.77% 3.89% 2.89% 2.38% 1.28% 948 953 948 953 933 944 933 900 900 50 50 51 944 52 49 245 234 209 211 216 384 389 362 381 368 190 189 196 177 174 2.79% 3.27% 3.77% 3.79% 2.01% 140 155 166 167 118 1.66% 2.66% 3.48% 3.90% 4.17% 203 212 510 3.46% 526 529 535 5.57% 537 1.09% 2.13% 214 3.05% 209 203 3.49% 3.82% 4.38% 5.19% 5.78% 162 0.36% 157 0.70% 150 145 141 0.88% 0.93% 0.77% Q3/22 Q4/22 Q1/23 Q2/23 Q3/23 Q3/22 Q4/22 Q1/23 Q2/23 Q3/23 Loans & Acceptances Securities Other Yield on Avg. Interest-Earning Assets Notice/Demand - Personal Notice/Demand - Corporate & Commercial Term - Client Other Equity Cost of Liabilities over Avg. Interest-Earning Assets Client Deposit Mix (Spot Balances)6 25% Q3/22 $491B 51% 32% 24% Q2/23 $514B 47% 21% 32% Q3/23 $510B 47% 21% Interest-Bearing Deposits - Notice / Demand Interest-Bearing Deposits - Term Non-Interest-Bearing Deposits Endnotes are included on slides 46 to 51. CIBC◇ Third Quarter, 2023 • Loan yields continue to expand (YoY and sequentially), capturing rate increases by the Bank of Canada and the Fed Despite mix shift to higher-cost term deposits as a result of changes in client behaviour, demand and notice deposit betas behaving generally as expected in response to changes in the environment 10

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