Publication of Final Terms

SANTANDER UK PLC€35 BILLION GLOBAL COVERED BOND PROGRAMME

Publication of Amended Final Terms - Series 66 Tranche 2

The amended final terms relating to the Series 66 Tranche 2 £500,000,000 Floating Rate Covered Bonds due 16 November 2022 (ISIN XS1749371685) issued on 15 January 2018 , to be consolidated, become fungible and form a single Series with the existing Series 66 Tranche 1 £500,000,000 Floating Rate Covered Bonds due 16 November 2022 (ISIN XS1719070390) issued on 16 November 2017 under the €35 billion Global Covered Bond Programme of Santander UK plc (the Programme), is available for viewing (the Series 66 Tranche 2 Final Terms).

The Series 66 Tranche 2 Final Terms was amended such that the response to item 2(d) (Date on which the Covered Bonds will be consolidated and form a single Series with the Series specified above) in Part A now reads:

"26 February 2018".

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/9767F_-2018-2-26.pdf

A copy of the above Final Terms has been submitted to the National Storage Mechanism and will shortly be available for inspection at www.Hemscott.com/nsm.do.

The Final Terms can also be viewed via:

http://www.santander.co.uk/uk/about-santander-uk/debt-investors/abbey-covered-bonds

Please see Annex 1 to this notice for additional information in relation to the Series 66 Tranche 2 Covered Bonds.

For further information, please contact:

Medium Term FundingSantander UK plc2 Triton SquareRegent's PlaceLondon NW1 3AN

Tel: +44 (0) 20 7756 7100

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 2 June 2017, as supplemented on 28 July 2017, 14 September 2017 and 26 October 2017 (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.