RNS ANNOUNCEMENT

SILVERSTONE MASTER ISSUER PLC

Legal entity identifier (LEI): 549300P6OXWKM20QS303

£35,000,000,000 RESIDENTIAL MORTGAGE-BACKED NOTE ISSUANCE PROGRAMME

 23 March 2026

Publication of Final Terms

The following Final Terms (as defined below) under the £35 billion residential mortgage-backed note issuance programme of Silverstone Master Issuer PLC, is available for viewing:

Final Terms dated 23 March 2026 in relation to the Series 2026-1 Notes (the Final Terms)

To view the Final Terms, please paste the relevant URL into the address bar of your browser.

http://www.rns-pdf.londonstockexchange.com/rns/7717X_1-2026-3-23.pdf

A copy of the above Final Terms has 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:

Silverstone Master Issuer PLC

c/o Wilmington Trust SP Services (London) Limited

Third Floor, 1 King's Arms Yard

London EC2R 7AF

United Kingdom

Telephone:       +44 (0) 20 7397 3600

Email:              [email protected]

DISCLAIMER - INTENDED ADDRESSEES

Please note that the information contained in the Base Prospectus dated 17 March 2026 (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.