Admission to Trading

The following transferrable securities issued by Nationwide Building Society (the "Society") have today (15 September 2026) been admitted to trading on the main market of the London Stock Exchange plc:

• NOK 380,000,000 5.150 per cent. Fixed Rate Senior Preferred Notes due September 2036 (ISIN: XS3506267601) (the "Notes").

The Notes are issued under the Society's U.S.$35,000,000,000 European Note Programme (the "Programme") pursuant to the Base Prospectus dated 30 July 2026 (the "Base Prospectus") and the Final Terms dated 11 September 2026 relating to the Notes (the "Final Terms").

The Base Prospectus and Final Terms have been published on the website of the London Stock Exchange through a regulatory information service (http://www.londonstockexchange.com/exchange/news/market-news/market-news-home.html). The Base Prospectus is available and the Final Terms will be available on the website of the Issuer at https://www.nationwide.co.uk/investor-relations/gmtn-terms-of-access/.

EU MiFID II professionals/ECPs only/No EEA PRIIPs KID

UK MiFIR professionals/ECPs only/No UK PRIIPs KID or CCI Product Summary

Please note that the information contained in the Base Prospectus and the Final Terms may be addressed to and/or targeted at persons who are residents of particular countries (specified in the Base Prospectus) only and are 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 and the Final Terms is not addressed. Prior to relying on the information contained in the Base Prospectus and the Final Terms you must ascertain from the Base Prospectus whether or not you are part of the intended addressees of the information contained therein.

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