Publication of final terms

ABBEY NATIONAL TREASURY SERVICES PLC - PUBLICATION OF FINAL TERMS

Abbey National Treasury Services plc has published final terms in respect of the following issues:

Issue of GBP Non-interest bearing Notes (Series Number 434) guaranteed by Santander UK plc under the Structured Note Programme.

Issue of GBP Fixed Rate Notes (Series Number 438) guaranteed by Santander UK plc under the Structured Note Programme.

To view the Final Terms for each of the above mentioned issues, please paste the following URLs into the address bar of your browser:

http://www.rns-pdf.londonstockexchange.com/rns/0616G_-2011-5-5.pdf

http://www.rns-pdf.londonstockexchange.com/rns/0616G_1-2011-5-5.pdf

The full Final Terms for the above mentioned issues are also available for viewing at the National Storage Mechanism and also at the offices of the dealers and the agent:

Citibank, N.A. as AgentCitigroup CentreCanada SquareCanary WharfLondon E14 5LB

Abbey National Treasury Services plc as Dealer2 Triton SquareRegent's PlaceLondon NW1 3AN

For further information, please contact:

Structured Notes SGBM

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

DISCLAIMER - INTENDED ADDRESSEES

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

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