Final Terms

AMENDED FINAL TERMS

Santander UK plc (the "Issuer")

This notice relates to the following amendments in relation to the securities listed in numbered items (1) and (2) below (together, the "Securities") by the Issuer under its Structured Note and Certificate Programme.

The Issuer hereby gives notice that the Final Terms in respect of each of the Securities (the "Original Final Terms") issued under the base prospectus dated 14 March 2025 (the "Base Prospectus") have been amended and restated by a new set of Final Terms (the "Amended Final Terms") to correct the description of Maturity Date in paragraph 9 of Part A. The Amended Final Terms replace the Original Final Terms.

1. The final terms dated 27 May 2025 (as amended and restated on 28 August 2026) in respect of the issue of up to £20,000,000 Preference Share-linked Autocallable Notes due 2030, with ISIN code XS3067927502 (Series 1288); and

2. The final terms dated 21 July 2025 (as amended and restated on 28 August 2026) in respect of the issue of up to £20,000,000 Preference Share-linked Autocallable Notes due 2031, with ISIN code XS3121835014 (Series 1295).

To view the Amended Final Terms, please click on the link below:

https://www.santander.co.uk/about-santander/investor-relations/santander-uk-structured-note-and-certificate-programme

For further information, please contact:

Structured Notes Desk

Tel: +44 (0) 20 7756 7000 or [email protected]

DISCLAIMER - INTENDED ADDRESSEES

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

The Amended Final Terms referenced herein do not constitute an offer of securities for sale in the United States. The securities described herein 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 may not be offered or sold to

U.S. persons or to persons within the United States of America, except pursuant to an exemption from the Securities Act.

END