Natwest Group PLC

Regulatory Filings • Aug 31, 2009

SUPPLEMENTARY PROSPECTUS DATED 28TH AUGUST 2009

The Royal Bank of Scotland Group plc

(Incorporated in Scotland with limited liability under the Companies Acts 1948 to 1980, registered number SC045551)

The Royal Bank of Scotland plc

(Incorporated in Scotland with limited liability under the Companies Acts 1948 to 1980, registered number SC090312)

£90,000,000,000 Euro Medium Term Note Programme

This Supplement (the "Supplement") to the Prospectus (the "Prospectus") dated 16th June 2009, which comprises a base prospectus, constitutes a supplementary prospectus for the purposes of Section 87G of the Financial Services and Markets Act 2000 (the "FSMA") and is prepared in connection with the £90,000,000,000 Euro Medium Term Note Programme (the "Programme") established by The Royal Bank of Scotland Group plc ("RBSG") and The Royal Bank of Scotland plc ("RBS") (each, an "Issuer" and together, the "Issuers"). Terms defined in the Prospectus have the same meaning when used in this Supplement.

This Supplement is supplemental to, and should be read in conjunction with, the Prospectus and the documents incorporated by reference therein. This Supplement should also be read and construed in conjunction with the Supplementary Prospectus dated 14th August 2009 which has been previously published and has been approved by the Financial Services Authority (the "FSA") and filed with it and which forms part of the Prospectus.

Each Issuer accepts responsibility for the information contained in this Supplement. To the best of the knowledge of each Issuer (each 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.

RBS financial results for the half year ended 30th June 2009

On 28th August 2009, RBS published its unaudited consolidated interim results for the half year ended 30th June 2009 (the "RBS Interim Results"). A copy of the RBS Interim Results has been filed with the FSA and by virtue of this Supplement, the RBS Interim Results are incorporated in, and form part of, the Prospectus.

A copy of any or all of the information which is incorporated by reference in the Prospectus can be obtained from the website of RBSG at www.rbs.com and from the London Stock Exchange plc's website at www.londonstockexchange.com/en-gb/pricesnews/marketnews/.

If the documents which are incorporated by reference in the Prospectus by virtue of this Supplement themselves incorporate any information or other documents therein, either expressly or implicitly, such information or other documents will not form part of the Prospectus for the purposes of the Prospectus Directive except where such information or other documents are specifically incorporated by reference in, or attached to, the Prospectus by virtue of this Supplement.

To the extent that there is any inconsistency between any statement in or incorporated by reference in the Prospectus by virtue of this Supplement and any other statement in or incorporated by reference in the Prospectus, the statements in or incorporated by reference in the Prospectus by virtue of this Supplement will prevail.

Save as disclosed in this Supplement or in any document incorporated by reference in the Prospectus by virtue of this Supplement, no other significant new factor, material mistake or inaccuracy relating to information included in the Prospectus has arisen or been noted, as the case may be, since the publication of the Prospectus.

Investors should be aware of their rights under Section 87Q(4) of the FSMA.