Notification of Admission to trading of Covered Bonds

20 August 2026

Nationwide Building Society*

The following Covered Bonds issued by Nationwide Building Society (the Society) have today (20 August 2026) been admitted to trading on the main market of the London Stock Exchange plc:

·    EUR 50,000,000 3.881 per cent. Series 2026-06 Regulated Covered Bonds due 20 August 2046 (XS3472861254) (the Covered Bonds)

The Covered Bonds are issued under the Society's €45,000,000,000 Global Covered Bond Programme (the Programme) pursuant to the Base Prospectus dated 12 June 2026 (the Base Prospectus) as supplemented by the supplementary prospectus dated 21 July 2026 (the Supplement), read together with the Final Terms dated 19 August 2026 relating to the Covered Bonds (the Final Terms). Full information on the Society and the offer of the Covered Bonds is only available on the basis of the Base Prospectus as supplemented by the Supplement, read together with the Final Terms.

The Base Prospectus, the Supplement 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 and the Supplement are available and the Final Terms will be available on the website of the Issuer at https://www.nationwide.co.uk/investor-relations/covered-bond-terms-of-access/.

For further information, please contact:

Nationwide Building Society

Vikas Sidhu

Head of Investor Relations and Treasury Sustainability

Telephone: +44 (0) 7738 273287

Email: [email protected]

Nationwide Building Society

Nationwide House

Pipers Way

Swindon

SN38 1NW

United Kingdom

* LEI: 549300XFX12G42QIKN82

DISCLAIMER - INTENDED ADDRESSEES

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, as supplemented by the Supplement and the Final Terms may be addressed to and/or targeted at persons who are residents of particular countries (specified in the Base Prospectus, as supplemented) 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, as supplemented and the Final Terms is not addressed. Prior to relying on the information contained in the Base Prospectus, as supplemented and the Final Terms you must ascertain from the Base Prospectus, as supplemented, 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.