Q1 Financial Review

Non-GAAP Financial Measures We use a number of financial measures to assess the performance of our business lines. Some measures are calculated in accordance with GAAP (IFRS), while other measures do not have a standardized meaning under GAAP, and accordingly, these measures may not be comparable to similar measures used by other companies. Investors may find these non-GAAP measures useful in understanding how management views underlying business performance. Adjusted results are non-GAAP financial measures that do not have any standardized meaning prescribed by GAAP and are therefore unlikely to be comparable to similar measures presented by other issuers. Adjusted results remove items of note from reported results. For further details on items of note, see slide 27 of this presentation. For additional information about our non-GAAP measures see pages 1 to 3 of the Q1/20 Supplementary Financial Information package and pages 13 and 14 of the 2019 Annual Report available on www.cibc.com. CIBC 28

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