Leeds Building Society

LEI: O8VR8MK4M5SM9ZVEFS35

Base Prospectus dated 9 January 2026, prepared in connection with the update of the £2,000,000,000 Euro Medium Term Note Programme established by Leeds Building Society

The following document has been approved by the Financial Conduct Authority on 9 January 2026 and is available for viewing:

BASE PROSPECTUS DATED 9 JANUARY 2026

Leeds Building Society

£2,000,000,000

Euro Medium Term Note Programme

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

http://www.rns-pdf.londonstockexchange.com/rns/3932O_1-2026-1-9.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:

Leeds Building Society

26 Sovereign Street, Leeds LS1 4BJ

Telephone: 0113 225 7603

Email: [email protected]

Website: www.leedsbuildingsociety.co.uk

DISCLAIMER - INTENDED ADDRESSEES

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 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.

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