<div id="readability-page-1"><div>RNS Number : 9831L Bank of Nova Scotia 17 December 2025 Publication of ProspectusThe following prospectus (the &#34;Base Prospectus&#34;) has been approved by the Financial Conduct Authority and is available for viewing:Base Prospectus dated 16 December 2025 pursuant to the U.S.$ 10,000,000,000 Structured Products Programme for the Issuance of Notes, Certificates and WarrantsTo view the full Base Prospectus, please paste the following URL into the address bar of your browser:http://www.scotiabank.com/ca/en/about/investors-shareholders/funding-programs.html/A copy of the Base Prospectus has been submitted to the National Storage Mechanism and will shortly be available for inspection at https://data.fca.org.uk/#/nsm/nationalstoragemechanism.Documents Incorporated by Reference (or certain portions thereof as specified under &#34;Documents Incorporated by Reference&#34; in the Base Prospectus): BNS Annual Information Form dated 2 December 2025http://www.rns-pdf.londonstockexchange.com/rns/9831L_2-2025-12-17.pdfBNS 2025 Annual Reporthttp://www.rns-pdf.londonstockexchange.com/rns/9831L_3-2025-12-17.pdfFor further information, please contact:The Bank of Nova ScotiaRegistered Office:40 Temperance StreetToronto, OntarioCanadaM5H 0B4DISCLAIMER - INTENDED ADDRESSEESIMPORTANT: The following disclaimer applies to the Base Prospectus available by clicking on the link above, and you are therefore advised to read this disclaimer carefully before reading, accessing or making any other use of the Base Prospectus.THE BASE PROSPECTUS MAY NOT BE FORWARDED OR DISTRIBUTED OTHER THAN AS PROVIDED BELOW AND MAY NOT BE REPRODUCED IN ANY MANNER WHATSOEVER. THE BASE PROSPECTUS MAY ONLY BE DISTRIBUTED OUTSIDE THE UNITED STATES TO PERSONS THAT ARE NOT U.S. PERSONS AS DEFINED IN, AND IN RELIANCE ON, REGULATION S UNDER THE U.S. SECURITIES ACT OF 1933, AS AMENDED (THE &#34;SECURITIES ACT&#34;). FAILURE TO COMPLY WITH THIS NOTICE MAY RESULT IN A VIOLATION OF THE SECURITIES ACT OR THE APPLICABLE LAWS OF OTHER JURISDICTIONS.NOTHING IN THIS ELECTRONIC PUBLICATION OR IN THE BASE PROSPECTUS CONSTITUTES AN OFFER OF SECURITIES FOR SALE IN ANY JURISDICTION WHERE SUCH OFFERS OR SOLICITATIONS ARE NOT PERMITTED BY LAW. ANY SECURITIES ISSUED OR TO BE ISSUED PURSUANT TO THE BASE PROSPECTUS HAVE NOT BEEN, AND WILL NOT BE, REGISTERED UNDER THE SECURITIES ACT OR THE SECURITIES LAWS OF ANY STATE OR OTHER JURISDICTION OF THE UNITED STATES.Please note that the information contained in 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 whether or not you are part of the intended addressees of the information contained therein.Confirmation of your Representation: In order to be eligible to view the Base Prospectus or make an investment decision with respect to any Securities issued or to be issued pursuant to the Base Prospectus, you must be a person other than a U.S. person (within the meaning of Regulation S under the Securities Act) and by accessing the Base Prospectus you shall be deemed to have represented that (i) you and any customers you represent are not U.S. persons (as defined in Regulation S to the Securities Act) and (ii) you consent to delivery of the Base Prospectus and any amendments or supplements thereto via electronic transmission.You are reminded that the Base Prospectus has been made available to you on the basis that you are a person into whose possession the Base Prospectus may be lawfully delivered in accordance with the laws of the jurisdiction in which you are located and you may not, nor are you authorised to, deliver the Base Prospectus, electronically or otherwise, to any other person.The Base Prospectus has been made available to you in an electronic form. You are reminded that documents transmitted via this medium may be altered or changed during the process of electronic transmission and consequently none of the Issuer, its advisers nor any person who controls any of them nor any director, officer, employee nor agent of it or affiliate of any such person accepts any liability or responsibility whatsoever in respect of any difference between the Base Prospectus made available to you in electronic format and the hard copy versions available to you on request from the Issuer.Your right to access this service is conditional upon complying with the above requirements.This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact rns@lseg.com or visit www.rns.com.RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy. END PDIBDBDDSSBDGUR</div></div>

Bank of Nova Scotia has published a Base Prospectus dated 16 December 2025 for its U.S.$10 billion Structured Products Programme. The prospectus has been approved by the Financial Conduct Authority and is available for viewing. It includes the BNS Annual Information Form dated 2 December 2025 and the 2025 Annual Report. The prospectus is intended for non-U.S. persons and must not be distributed within the U.S. or to U.S. persons.

REG - Bank of Nova Scotia - Publication of a Prospectus