SANTANDER UK PLC
?35 BILLION GLOBAL COVERED BOND PROGRAMME
Publication of Final Terms - Series 86

The following final terms (the Final Terms) are available for viewing:

Issue of Series 86 ?1,500,000,000 Fixed Rate Covered Bonds due 12 March 2029 (ISIN XS2786381207) under the ?35 billion Global Covered Bond Programme of Santander UK plc (the Programme).

To view the full Final Terms document, please click on or paste the following URL into the address bar of your browser:

http://www.rns-pdf.londonstockexchange.com/rns/3010H_1-2024-3-18.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.

The Final Terms can also be viewed at: https://www.santander.co.uk/uk/about-santander-uk/debt-investors/santander-uk-covered-bonds.

Please see Annex 1 to this notice for additional information in relation to the Series 86 Covered Bonds.

For further information, please contact:

Medium Term Funding
Santander UK plc
2 Triton Square
Regent's Place
London NW1 3AN

Email: mtf@santander.co.uk

DISCLAIMER - INTENDED ADDRESSEES

Please note that the information contained in the Final Terms and the base prospectus published in respect of the Programme on 5 March 2024 (the Prospectus) may be addressed to and/or targeted at persons who are residents of particular countries only (as further specified in the Prospectus) 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 Final Terms and the Prospectus is not addressed. Prior to relying on the information contained in the Final Terms and the Prospectus you must ascertain from the Final Terms and 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.

ANNEX 1

ADDITIONAL INFORMATION IN RELATION TO SERIES 86 ?1,500,000,000 FIXED RATE COVERED BONDS DUE 12 MARCH 2029

OPERATIONAL INFORMATION DOCUMENT

This Operational Information Document related to the Final Terms dated 15 March 2024 (the Final Terms) in respect of the issue of Series 86 ?1,500,000,000 Fixed Rate Covered Bonds due 12 March 2029 (ISIN XS2786381207).

This Operational Information Document has not been reviewed or approved by any competent authority for the purposes of the UK Prospectus Regulation or otherwise and does not form part of the Final Terms for the purposes of the UK Prospectus Regulation. However, for all other purposes this Operational Information Document must be read in conjunction with the Final Terms. Words and expressions which have a defined meaning in the Final Terms or Base Prospectus dated 5 March 2024 and have the same meanings in this Operational Information Document.

DISTRIBUTION

(a) If syndicated, names of Joint Lead Managers: Banco Santander, S.A.;

ABN AMRO Bank N.V.;

Deutsche Bank AG, London Branch;

Landesbank Baden-Württemberg; and

Société Générale

(each a "Joint Lead Manager" and together, the "Joint Lead Managers")

(b) Date of Subscription Agreement: 15 March 2024

(c) If not syndicated, name of relevant Dealer: Not applicable

(d) U.S. Selling Restrictions: Regulation S