Appointment of Additional Dealer Manager

NOT FOR DISTRIBUTION TO ANY PERSON LOCATED OR RESIDENT IN THE UNITED STATES OF AMERICA OR TO ANY U.S. PERSON (AS DEFINED IN REGULATION S UNDER THE U.S. SECURITIES ACT OF 1933, AS AMENDED (THE "U.S. SECURITIES ACT")) OR IN ANY OTHER JURISDICTION WHERE IT IS UNLAWFUL TO DISTRIBUTE THIS DOCUMENT.

SANTANDER UK PLC

ANNOUNCEMENT OF APPOINTMENT OF ADDITIONAL DEALER MANAGER

5 July 2012

On 3 July 2012 Santander UK plc (the "Company") announced its invitation to holders (the "Noteholders") of the Notes described below (the "Notes" and each a "Series"), to tender their Notes for purchase by the Company for cash at the respective prices set forth below (the "Tender Offer"). The Tender Offer is being made on the terms, and subject to the conditions, contained in a tender offer memorandum dated 3 July 2012 (the "Tender Offer Memorandum") prepared by the Company, and is subject to the offer and distribution restrictions set out below.

Appointment of Banco Santander, S.A. as Dealer Manager

On 5 July 2012 the Company appointed Banco Santander, S.A. as an additional Dealer Manager for the Tender Offer on the same terms as the Dealer Managers named in the Tender Offer Memorandum.

On the same day, the Company published an amended and restated Tender Offer Memorandum (the Amended and Restated Tender Offer Memorandum) to reflect such appointment.

All other terms of the Tender Offer remain unchanged.

Copies of the Amended and Restated Tender Offer Memorandum are (subject to the offer and distribution restrictions set out below) available from the Dealer Managers and the Tender Agent as set out below. Capitalised terms used but not defined in this announcement have the meanings given to them in the Amended and Restated Tender Offer Memorandum.

Noteholders are advised to read the Amended and Restated Tender Offer Memorandum carefully for full details of, and information on, the procedures for participating in the Tender Offer.

Barclays Bank PLC, Merrill Lynch International and Banco Santander, S.A. are acting as Dealer Managers for the Tender Offer and Lucid Issuer Services Limited is acting as Tender Agent.

Requests for information in relation to the Tender Offer should be directed to:

Requests for information in relation to the procedures for tendering Notes in, and for any documents or materials relating to, the Amended and Restated Tender Offer should be directed to:

Disclaimer This announcement must be read in conjunction with the Tender Offer Memorandum. This announcement and the Amended and Restated Tender Offer Memorandum contain important information which should be read carefully before any decision is made with respect to the Tender Offer. If any Noteholder is in any doubt as to the action it should take, it is recommended to seek its own financial advice, including in respect of any tax consequences, from its stockbroker, bank manager, solicitor, accountant or other independent financial or legal adviser. Any individual or company whose Notes are held on its behalf by a broker, dealer, bank, custodian, trust company or other nominee must contact such entity if it wishes to tender such Notes pursuant to the Tender Offer. None of the Company, the Dealer Managers or the Tender Agent makes any recommendation whether Noteholders should tender Notes pursuant to the Tender Offer.

Offer and Distribution Restrictions

The distribution of this announcement and/or the Amended and Restated Tender Offer Memorandum in certain jurisdictions may be restricted by law. Persons into whose possession this announcement and/or the Amended and Restated Tender Offer Memorandum come are required by each of the Company, the Dealer Managers and the Tender Agent to inform themselves about, and to observe, any such restrictions. Neither this announcement nor the Amended and Restated Tender Offer Memorandum constitutes an offer to buy or a solicitation of an offer to sell the Notes (and tenders of Notes in the Tender Offer will not be accepted from Noteholders) in any circumstances in which such offer or solicitation is unlawful by reason of any regulatory approval or notification of the Tender Offer or any related offering documentation being required or for any other reason. In those jurisdictions where the securities, blue sky or other laws require the Tender Offer to be made by a licensed broker or dealer and either the Dealer Managers or any of their respective affiliates is such a licensed broker or dealer in such jurisdictions, the Tender Offer shall be deemed to be made on behalf of the Company by such Dealer Manager or affiliate (as the case may be) on behalf of the Company in such jurisdiction and the Tender Offer are not made in any such jurisdiction where either a Dealer Manager or any of its affiliates is not licensed.

The Dealer Managers and the Tender Agent (and their respective directors, employees or affiliates) make no representations whatsoever regarding this announcement, the Amended and Restated Tender Offer Memorandum or the Tender Offer. The Tender Agent is the agent of the Company and owes no duty to any Noteholder. None of the Company, the Dealer Managers or the Tender Agent makes any recommendation whatsoever regarding this announcement, the Amended and Restated Tender Offer Memorandum or the Tender Offer, in particular as to whether or not Noteholders should participate in the Tender Offer or refrain from taking any action in the Tender Offer with respect to any of such Notes, and none of them has authorised any person to make any such recommendation.

United States

The Tender Offer is not being made, and will not be made, directly or indirectly in or into, or by use of the mail of, or by any means or instrumentality of interstate or foreign commerce of or of any facilities of a national securities exchange of, the United States. This includes, but is not limited to, facsimile transmission, electronic mail, telex, telephone and the internet. The Notes may not be tendered in the Tender Offer by any such use, means, instrumentality or facility from or within the United States or by persons located or resident in the United States within the meaning of Rule 800(h) under the U.S. Securities Act of 1933, as amended (the "Securities Act"). Accordingly, copies of the Amended and Restated Tender Offer Memorandum and any other documents or materials relating to the Tender Offer are not being, and must not be, directly or indirectly mailed or otherwise transmitted, distributed or forwarded (including, without limitation, by custodians, nominees or trustees) in or into the United States. Any purported tender of Notes in a Tender Offer resulting directly or indirectly from a violation of these restrictions will be invalid and any purported tender of Notes made by a person located or resident in the United States or any agent, fiduciary or other intermediary acting on a non-discretionary basis for a principal giving instructions from within the United States will be invalid and will not be accepted.

United Kingdom

The communication of the Amended and Restated Tender Offer Memorandum and any other documents or materials relating to the Tender Offer is not being made, and such documents and/or materials have not been approved, by an authorised person for the purposes of section 21 of the Financial Services and Markets Act 2000 (the "FSMA"). Accordingly, such documents and/or materials are not being distributed to, and must not be passed on to, the general public in the United Kingdom. The communication of such documents and/or materials is exempt from the restriction on financial promotions under section 21 of the FSMA on the basis that it is only directed at and may be communicated to (1) persons who have professional experience in matters relating to investments, being investment professionals as defined in Article 19 of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005 (the "FPO"); (2) persons who fall within Article 43(2) of the FPO; or (3) any other persons to whom these documents and/or materials may lawfully be communicated. Any investment or investment activity to which the Amended and Restated Tender Offer Memorandum relates is available only to such persons or will be engaged only with such persons and other persons should not rely on it.

France

The Tender Offer is not being made, directly or indirectly, to the public in France. Neither the Amended and Restated Tender Offer Memorandum nor any other documents or offering materials relating to the Tender Offer have been or shall be distributed to the public in France and only (i) providers of investment services relating to portfolio management for the account of third parties (personnes fournissant le service d'investissement de gestion de portefeuille pour compte de tiers) and/or (ii) qualified investors (investisseurs qualifiés), all as defined in, and in accordance with, Articles L.411-1, L.411-2 and D.411-1 to D.411-3 of the French Code monétaire et financier, are eligible to participate in the Tender Offer. The Amended and Restated Tender Offer Memorandum has not been submitted to the clearance procedures (visa) of the Autorité des marchés financiers.

Belgium

Neither the Amended and Restated Tender Offer Memorandum nor any other documents or materials relating to the Tender Offer have been submitted to or will be submitted for approval or recognition to the Belgian Banking, Finance and Insurance Commission (Commission bancaire, financière et des assurances/Commissie voor het Bank-, Financie- en Assurantiewezen) and, accordingly, the Tender Offer may not be made in Belgium by way of a public offering, as defined in Article 3 of the Belgian Law of 1 April 2007 on public takeover bids or as defined in Article 3 of the Belgian Law of 16 June 2006 on the public offer of placement instruments and the admission to trading of placement instruments on regulated markets, each as amended or replaced from time to time. Accordingly, the Tender Offer may not be advertised and the Tender Offer will not be extended, and neither the Amended and Restated Tender Offer Memorandum nor any other documents or materials relating to the Tender Offer (including any memorandum, information circular, brochure or any similar documents) has been or shall be distributed or made available, directly or indirectly, to any person in Belgium other than "qualified investors" in the sense of Article 10 of the Belgian Law of 16 June 2006 on the public offer of placement instruments and the admission to trading of placement instruments on regulated markets (as amended from time to time), acting on their own account. Insofar as Belgium is concerned, the Amended and Restated Tender Offer Memorandum has been issued only for the personal use of the above qualified investors and exclusively for the purpose of the Tender Offer. Accordingly, the information contained in the Amended and Restated Tender Offer Memorandum may not be used for any other purpose or disclosed to any other person in Belgium.

Italy

Neither the Amended and Restated Tender Offer Memorandum nor any other documents or materials relating to the Tender Offer have been or will be submitted to the clearance procedure of the Commissione Nazionale per le Società e la Borsa (CONSOB) pursuant to Italian laws and regulations.

The Tender Offer is being carried out in the Republic of Italy (Italy) as an exempted offer pursuant to article 101-bis, paragraph 3-bis of the Legislative Decree No. 58 of 24 February 1998, as amended (the Financial Services Act) and article 35-bis, paragraph 4 of CONSOB Regulation No. 11971 of 14 May 1999, as amended (the CONSOB Regulation). The Tender Offer is also being carried out in compliance with article 35-bis, paragraph 7 of the CONSOB Regulation.

Noteholders located in Italy can tender Notes through authorised persons (such as investment firms, banks or financial intermediaries permitted to conduct such activities in the Italy in accordance with the Financial Services Act, CONSOB Regulation No. 16190 of 29 October 2007, as amended from time to time, and Legislative Decree No. 385 of September 1, 1993, as amended) and in compliance with applicable laws and regulations or with requirements imposed by CONSOB or any other Italian authority.

Each intermediary must comply with the applicable laws and regulations concerning information duties vis-à-vis its clients in connection with the Notes or the Tender Offer.

Spain

Neither the Tender Offer nor the Amended and Restated Tender Offer Memorandum constitute an offer of securities or the solicitation of an offer of securities to the public in Spain under the Spanish Securities Market Law (Ley 24/1998, de 28 de Julio, del Mercado de Valores), Royal Decree 1310/2005, of 4 November 2005 and Royal decree 1066/2007, of 27 July 2007. Accordingly, the Amended and Restated Tender Offer Memorandum has not been submitted for approval and has not been approved by the Spanish Securities Market Regulator (Comisión Nacional del Mercado de Valores).