Canadian Imperial Bank of Commerce

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

Notice of Aggregate Principal Amount and Other Information

(a Canadian chartered bank)

Up to GBP 2,000,000 Preference Share Linked Notes due September 2032

under the UK Prospectus

pursuant to the Structured Note Issuance Programme

Issue of Series SPUK 079: Up to GBP 2,000,000 Preference Share Linked Notes due September 2032 (the "Notes")

ISIN Code: XS3130384673

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 zero.

Notes which were not subscribed in connection with the public offer have been cancelled.

Dated: 3 September 2025