Canadian Bail-in Regime Update

Notes continued Slide 20 - Asset yields and funding costs 1. 2. 3. 4. Average balances are calculated as weighted average of daily closing balances. Average interest-earning assets include interest-bearing deposits with banks, interest-bearing demand deposits with Bank of Canada, securities, cash collateral on securities borrowed, securities purchased under resale agreements, loans net of allowances for credit losses, and certain sublease-related assets. The yield for loans and acceptances is calculated as interest income on loans as a percentage of average loans and acceptances, net of allowance for credit losses. The yield on securities is calculated as interest income on securities as a percentage of average securities. Total yield on average interest-earning assets is calculated as interest income on assets as a percentage of average interest-earning assets. These metrics do not have a standardized meaning and may not be comparable to similar measures disclosed by other financial institutions. Other includes balances related to cash and deposits with banks, reverse repos, and other. The yield for Personal-Notice/Demand deposits is calculated as interest expense on Personal-Notice/Demand deposits as a percentage of average Personal-Notice/Demand deposits. The yield for Corporate & Commercial-Notice/Demand deposits is calculated as interest expense on Corporate & Commercial-Notice/Demand deposits as a percentage of average Corporate & Commercial-Notice/Demand deposits. The yield for Term-Client deposits is calculated as interest expense on Term-Client deposits as a percentage of average Term-Client deposits. Term-Client deposits are term deposits less wholesale funding. Total cost on average interest-earning assets is calculated as interest expense on liabilities as a percentage of average interest-earning assets. These metrics do not have a standardized meaning and may not be comparable to similar measures disclosed by other financial institutions. 5. Other includes wholesale funding, sub-debt, repos and other liabilities. 6. Deposit base represents client deposits, excluding wholesale funding. Reflects spot balances as of the respective period ends. Slide 22 - Resilient balance sheet supports organic business growth 12 1. 2. 3. 4. Average balances, where applicable, are calculated as a weighted average of daily closing balances. RWA and our capital balances and ratios are calculated pursuant to OSFI's CAR Guideline, the leverage ratio is calculated pursuant to OSFI's Leverage Requirements Guideline, LCR, HQLA and NSFR are calculated pursuant to OSFI's LAR Guideline, all of which are based on BCBS standards. For additional information, see the "Capital management" and "Liquidity risk” sections in the Q1/2024 Quarterly Report available on SEDAR+ at www.sedarplus.ca. In October 2023, we obtained approval from OSFI to apply the IRB approach for the majority of our credit portfolios within CIBC Bank USA, which we expect to apply in the first quarter of 2024. In addition to the impact of applying the IRB approach to certain credit portfolios within CIBC Bank USA, the estimate includes the impacts of the revised CVA and market risk frameworks as well the increased capital requirement relating to mortgages in negative amortization with a loan-to-value ratio above 65%. Slide 25 - Allowance coverage remains higher than pre-pandemic levels 1. 2. Capital Markets excludes allowance for credit losses related to Simplii Financial which is included in the respective Canadian retail products. Total Allowance Coverage Ratio - Allowance for credit losses to gross carrying amount of loans. The gross carrying amount of loans include certain loans that are measured at FVTPL. Impaired ACL to GIL - Allowance for credit losses on impaired loans as a percentage of gross impaired loans. Performing ACL to Performing Loans - Allowance for credit losses on performing loans as a percentage of the gross carrying amount of performing loans. The gross carrying amount of performing loans include certain loans that are measured at FVTPL. CIBC 68 80

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