First Quarter, 2024 Earnings Report

Glossary First quarter 2024 12 Adjusted Efficiency Ratio 13 Total Allowance Coverage Ratio 14 Impaired ACL to GIL 15 Performing ACL to Performing Loans 16 Gross Impaired Loan Ratio 17 New Formations 18 Net Write-Off Ratio 19 90+ Days Delinquency Rate Definition We adjust our reported revenue and non-interest expenses to remove the impact of items of note. Commencing Q1/24, we no longer gross up tax-exempt revenue to bring it to a TEB for the application of this ratio to our consolidated results. Prior period amounts have been restated to conform with the current quarter's presentation. Total allowance for credit losses to gross carrying amount of loans. The gross carrying amount of loans include certain loans that are measured at FVTPL. Allowance for credit losses on impaired loans as a percentage of gross impaired 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. Gross impaired loans as a percentage of the gross carrying amount of loans. The gross carrying amount of loans include certain loans that are measured at FVTPL. New formations represent gross carrying amount of loans which are newly classified as impaired during the quarter. Net write-offs as a percentage of average loan balances, net of allowance for credit losses. 90+ days delinquencies as a percentage of the gross carrying amount of loans. 20 Net Write-Offs 21 21 22 22 Average Interest-Earning Assets Adjusted Trading Revenue Net write-offs include write-offs net of recoveries. Average interest-earning assets include interest-bearing deposits with banks, interest-bearing demand deposits with the Bank of Canada, securities, cash collateral on securities borrowed or securities purchased under resale agreements, loans net of allowance for credit losses, and certain sublease related assets. Average balances are calculated as a weighted average of average daily closing balances. We adjust our reported trading revenue to remove the pre-tax impact of items of note, to calculate the adjusted trading revenue. Refer to Note 11 on page 56 for additional details on "Trading Revenue". We believe that adjusted measures provide the reader with a better understanding of how management assesses underlying business performance and facilitates a more informed analysis of trends. CIBC◇ First Quarter, 2024 57 40

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