NATIONWIDE BUILDING SOCIETY

Regulatory Filings • Aug 18, 2014

SUPPLEMENT DATED 18 AUGUST 2014 TO THE BASE PROSPECTUSES REFERRED TO BELOW

Nationwide Building Society

(Incorporated in England under the Building Societies Act 1986, as amended)

U.S.\$25,000,000,000 European Note Programme

(the European Note Programme)

€45,000,000,000 Global Covered Bond Programme

unconditionally and irrevocably guaranteed as to payments by Nationwide Covered Bonds LLP (the LLP) (a limited liability partnership incorporated in England and Wales)

(the Global Covered Bond Programme)

U.S.\$20,000,000,000 Senior and Subordinated Medium-Term Note Programme

(the USMTN Programme)

This supplement (the Supplement) to the base prospectus dated 31 July 2014 for the Global Covered Bond Programme, the base prospectus dated 2 October 2013 for the European Note Programme (as supplemented on 15 November 2013, 25 February 2014 and 29 May 2014) and the base prospectus dated 15 August 2014 for the USMTN Programme (together, the Base Prospectuses and each, a Base Prospectus) constitutes a supplementary prospectus for the purposes of Section 87G of the Financial Services and Markets Act 2000 and is prepared in connection with the Global Covered Bond Programme , the European Note Programme and the USMTN Programme, each established by Nationwide Building Society (the Issuer). Terms defined in the Base Prospectuses have the same meaning when used in this Supplement.

This Supplement is supplemental to, and should be read in conjunction with, the relevant Base Prospectus and any other supplements to the relevant Base Prospectus issued by the Issuer.

The Issuer and, in respect of the Global Covered Bond Programme only, the LLP, each accept responsibility for the information contained in this Supplement. To the best of the knowledge of the Issuer and, in respect of the Global Covered Bond Programme only, the LLP (having taken all reasonable care to ensure that such is the case) the information contained in this Supplement is in accordance with the facts and does not omit anything likely to affect the import of such information.

Purpose of this Supplement

The purpose of this Supplement is to incorporate by reference the interim management statement of the Issuer for the three-month period ended 30 June 2014 (the Interim Management Statement).

Interim Results

On 18 August 2014, the Issuer published the Interim Management Statement. A copy of the Interim Management Statement has been filed with the Financial Conduct Authority and, by virtue of this Supplement, the Interim Management Statement is incorporated in, and forms part of, each Base Prospectus.

Copies of all documents incorporated by reference in the Base Prospectuses can be obtained from the principal office of the Issuer and the specified offices of the Paying Agents for the time being in London and, in relation to the European Note Programme and the USMTN Programme, Luxembourg, as set out in the relevant Base Prospectus.

To the extent that there is any inconsistency between (a) any statement in this Supplement or any statement incorporated by reference into the relevant Base Prospectus by this Supplement and (b) any other statement in or incorporated by reference in the relevant Base Prospectus, the statements in (a) above will prevail.

Save as disclosed in this Supplement, there has been no other significant new factor, material mistake or inaccuracy relating to information included in the Base Prospectuses since the publication of the Base Prospectuses.

The date of this Supplement is 18 August 2014.