Publication of a Supplementary Prospectus

Regulatory Announcement

RNS Number: 0771G

The Bank of Nova Scotia

28 May 2026

Publication of Prospectus Supplement

Not for release, publication or distribution, directly or indirectly, in or into the United States.

The following supplement has been approved by the Financial Conduct Authority and is available for viewing:

Second Supplement dated 28 May 2026 relating to the U.S.$10,000,000,000 Structured Products Programme for the issuance of Notes, Warrants and Certificates of The Bank of Nova Scotia.

The Second Supplement, together with the document incorporated by reference therein, have been submitted to the National Storage Mechanism and will shortly be available for inspection at: https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

DISCLAIMER - INTENDED ADDRESSEES

Please note that the information contained in the Base Prospectus dated 16 December 2025, as supplemented by the First Supplement dated 6 March 2026 and the Second Supplement dated 28 May 2026 (together, the "Base Prospectus"), may be addressed to and/or targeted at persons who are residents of particular countries (specified in the Base Prospectus) 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 Base Prospectus is not addressed. Prior to relying on the information contained in the Base Prospectus you must ascertain from the Base Prospectus whether or not you are part of the intended addressees of the information contained therein.

The Notes have not been and will not be registered under the United States Securities Act of 1933, as amended (the "Securities Act") or the securities laws of any state of the US and are subject to US tax law requirements. Subject to certain exceptions, the Notes may not be offered, sold or delivered, directly or indirectly, in or into the US or to or for the account or benefit of a "US person" (as defined in Regulation S under the Securities Act). No public offering of the Notes is being made in the US.  This announcement does not constitute an offer to sell or a solicitation to buy securities in the US or in any other jurisdiction where such offer or solicitation would be unlawful.

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

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

Second Supplement dated 28 May 2026

http://www.rns-pdf.londonstockexchange.com/rns/0771G_1-2026-5-28.pdf

Document Incorporated by Reference (or certain portions thereof as specified under "Documents Incorporated by Reference" in the Base Prospectus):

BNS 2026 Second Quarter Report to Shareholders

http://www.rns-pdf.londonstockexchange.com/rns/0771G_2-2026-5-28.pdf 

For further information, please contact:

The Bank of Nova Scotia

201 Bishopsgate, 6th Floor

London EC2M 3NS

United Kingdom

Attn: Global Banking and Markets

Tel.: +44 (0) 207 826 5639

END