Publication of Prospectus Supplement

Publication of Supplement to Base Prospectus

The following supplement to a base prospectus has been approved by the Financial Conduct Authority and is available for viewing:

Supplement dated 15 August 2023 to the Base Prospectus dated 31 March 2023 (the "Base Prospectus") in connection with the £5,000,000,000 Note Programme of Yorkshire Building Society.

To view the supplement and the document incorporated by reference, please paste the following URL into the address bar of your browser:

http://www.rns-pdf.londonstockexchange.com/rns/3745J_1-2023-8-15.pdf

http://www.rns-pdf.londonstockexchange.com/rns/3745J_2-2023-8-15.pdf

For further information, please contact:

Yorkshire Building SocietyYorkshire HouseYorkshire DriveBradford, West YorkshireBD5 8LJ

Telephone: 01274 357354Email: EzSmith@ybs.co.uk

DISCLAIMER - INTENDED ADDRESSEES

Please note that the information contained in the Base Prospectus (as supplemented) 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 from the Base Prospectus whether or not you are part of the intended addressees of the information contained therein.

In particular, the Base Prospectus does not constitute an offer of securities for sale in the United States. This is not for distribution in the United States. The securities described therein have not been, and will not be, registered under the U.S. Securities Act of 1933, as amended (the "Securities Act"), or under any relevant securities laws of any state of the United States of America and are subject to U.S. tax law requirements. Subject to certain exceptions, the securities may not be offered or sold within the United States or to, or for the account or benefit of, U.S. persons or to persons within the United States of America, as such terms are defined in Regulation S under the Securities Act.

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