Canadian Imperial Bank of Commerce

Capital/Financing Update • Sep 22, 2025

Canadian Imperial Bank of Commerce 81 Bay Street, Canada Square Toronto, Ontario Canada M5J 0E7

Notice of Aggregate Principal Amount and Other Information

Canadian Imperial Bank of Commerce

(a Canadian chartered bank)

Issue of Up to GBP 2,000,000 Preference Share Linked Notes due October 2028

under the UK Prospectus

pursuant to the Structured Note Issuance Programme

GBP 2,000,000 Preference Shares Linked "Notes") pursuant to the Final restated by the Amended and Restated Issue of Series SPUK 084: Up to Notes due October 2028 (the Terms dated 7 August 2025, as amended and Final Terms dated 22 September 2025 (the "Final Terms") ISIN Code: XS3145691054

As required by Article 17(2) of the UK Prospectus Regulation (Regulation (EU) 2017/1129 as it forms part of UK domestic law by virtue of the European Union (Withdrawal) Act 2018), Canadian Imperial Bank of Commerce as issuer hereby confirms that the final Aggregate Principal Amount of the Notes is

GBP 223,000

The title of the Notes is now "Issue of GBP 223,000 Preference Share Linked due October 2028".

Capitalised terms used but not defined herein shall be as defined in the Final Terms. This Notice and the Final Terms be read and construed together as one document.

Dated: 22 September 2025

CANADIAN IMPERIAL BANK OF COMMERCE

By:

Francois-Xavier Desplanches Head of Structured Note Sales