Publication of Offering Circular

The following Offering Circular is available for viewing:

Nationwide Building Society*

The following Offering Circular dated 6 June 2025 and prepared in connection with the issue of £700,000,000 Reset Perpetual Contingent Convertible Additional Tier 1 Capital Securities by Nationwide Building Society has been published and is available for viewing:

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

http://www.rns-pdf.londonstockexchange.com/rns/8805L_1-2025-6-6.pdf

A copy of the above document has also been submitted to the National Storage Mechanism and will shortly be available for inspection at: https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

For further information, please contact:

Nationwide Building Society

Vikas Sidhu

Head of Investor Relations and Treasury Sustainability

Telephone: +44 (0) 7738 273287

Email: Vikas.Sidhu@nationwide.co.uk

Nationwide Building Society

Nationwide House

Pipers Way

Swindon SN38 1NW

* LEI: 549300XFX12G42QIKN82

DISCLAIMER - INTENDED ADDRESSEES

UK MiFIR professionals/ECPs only/No UK/EEA PRIIPs KID/FCA CoCo Restriction

Please note that the information contained in the Offering Circular may be addressed to and/or targeted at persons who are residents of particular countries (specified in the Offering Circular) 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 Offering Circular is not addressed. Prior to relying on the information contained in the Offering Circular you must ascertain from the Offering Circular 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.