National Westminster Bank Plc

Publication of Supplemental Prospectus

The following supplemental prospectus has been approved by the Financial Conduct Authority and is available for viewing:

Supplemental Prospectus of National Westminster Bank Plc €25,000,000,000 Global Covered Bond Programme unconditionally and irrevocably guaranteed as to payments of interest and principal by NatWest Covered Bonds Limited Liability Partnership, dated 3 June 2026 (the "Supplemental Prospectus").

The Supplemental Prospectus should be read and construed in conjunction with the prospectus dated 27 March 2026 (the "Base Prospectus", together with the Supplemental Prospectus, the "Prospectus").

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

http://www.rns-pdf.londonstockexchange.com/rns/0896H_1-2026-6-4.pdf

A copy of the above Supplemental Prospectus will be 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:

Scott Forrest

Head of NatWest Treasury DCM

Tel: +44 (0)7447 455 969

DISCLAIMER - INTENDED ADDRESSEES

This announcement is a communication to the market. Nothing in this announcement constitutes an offer of securities for sale in the United States or any other jurisdiction. This announcement does not constitute a prospectus or a prospectus equivalent document.

This announcement has been delivered to you on the basis that you are a person into whose possession this announcement may be lawfully delivered in accordance with the laws of the jurisdiction in which you are located and you may not, nor are you authorised to, deliver this announcement to any other person. The distribution of this announcement in jurisdictions other than the United Kingdom may be restricted by law and therefore persons into whose possession this announcement comes should inform themselves about, and observe, such restrictions. Any failure to comply with the restrictions may constitute a violation of the securities laws of any such jurisdiction.

Likewise, the information contained in the 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 Prospectus is not addressed. Prior to relying on the information contained in the Prospectus you must ascertain from the 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.

End.

Legal Entity Identifier:  National Westminster Bank Plc - 213800IBT39XQ9C4CP71