Fourth Quarter, 2023 Financial Overview

Balance Sheet NII continues to benefit from B/S growth and margin expansion Average Assets ($B) & Yields 1,2,3 3.89% 4.77% Average Liabilities and Equity ($B), & Costs 1,4,5 5.17% 5.35% 5.60% 4.16% 3.63% 3.86% 2.38% 3.28% 948 953 962 933 944 948 50 953 50 933 51 944 52 962 53 213 245 234 209 211 389 384 362 381 391 177 190 189 196 210 3.27% 3.77% 3.79% 4.08% 2.79% 140 2.66% 155 3.48% 166 167 171 3.90% 4.17% 4.37% 526 4.38% 529 535 5.57% 537 5.78% 539 212 5.19% 6.04% 2.13% 214 3.05% 209 203 207 3.49% 3.82% 3.96% 157 0.70% 150 145 141 140 0.88% 0.93% 0.77% 1.19% Q4/22 Q1/23 Q2/23 I Loans & Acceptances Q3/23 Securities Other → Yield on Avg. Interest-Earning Assets Q4/23 Q4/22 Q1/23 Q2/23 Q3/23 Q4/23 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 27% Q4/22 $507B 50% 23% 32% Q3/23 $510B 47% 21% 33% Interest-Bearing Deposits - Notice/Demand Interest-Bearing Deposits - Term Endnotes are included on slides 58 to 66. CIBC◇ Q4/23 $528B 47% 20% Non-Interest-Bearing Deposits Fourth Quarter, 2023 • Loan yields continue to expand (YoY and sequentially), capturing rate increases by the Bank of Canada and the Fed Mix shift to higher-cost term deposits largely stabilized; demand and notice deposit betas behaving in aggregate generally as expected with some exceptions in either direction 13

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