Publication of Supplementary Prospectus

The following supplementary prospectus (the Supplementary Prospectus) has been approved by the Financial Conduct Authority and is available for viewing:

Commonwealth Bank of Australia

U.S.$70,000,000,000 Euro Medium Term Note Programme

Supplementary Prospectus dated 12 February 2026 to the Programme Circular dated 1 July 2025 as supplemented on 13 August 2025 (as so supplemented, the "Programme Circular")

To view the full document, please paste the following URL into the address bar of your browser.

http://www.rns-pdf.londonstockexchange.com/rns/8568S_1-2026-2-12.pdf

For further information, please contact:

Commonwealth Bank of Australia
Level 1, 11 Harbour Street, Sydney, NSW, Australia, 2000

Telephone: +612 9118 1342

DISCLAIMER ‑ INTENDED ADDRESSEES

Please note that the information contained in the Supplementary Prospectus may be addressed to and/or targeted at persons who are residents of particular countries (specified in the Programme Circular) only and is not intended for use and should not be relied upon by any person outside these countries and/or to whom the offer contained in the Supplementary Prospectus is not addressed.  Prior to relying on the information contained in the Supplementary Prospectus you must ascertain from the Programme Circular whether or not you are part of the intended addressees of the information contained in the Supplementary Prospectus.

Your right to access this service is conditional upon complying with the above requirement.