Canadian Imperial Bank of Commerce

Capital/Financing Update • Oct 20, 2025

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 Index Linked Interest and Redemption Notes due November 2032

under the UK Prospectus

pursuant to the Structured Note Issuance Programme

Issue of Series SPUK 087: Up to GBP 2,000,000 Index Linked Interest and Redemption Notes due November 2032 (the Interest "Notes") pursuant to the Final Terms dated 29 August 2025, as amended and restated by the Amended and Restated Final Terms dated 20 October 2025 (the "Final Terms")

ISIN Code: XS3168704735

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 637,311

The title of the Notes is now "Issue of GBP 637,311 Index Linked Interest and Redemption Notes due November 2032".

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: 20 October 2025

CANADIAN IMPERIAL BANK OF COMMERCE

By:

Francois-Xavier Desplanches

Head of Structured Note Sales