Supplementary Prospectus for BT EMTN Programme

RNS PUBLICATION FORM

Supplementary Prospectus for BT EMTN Programme

The following supplementary prospectus has been approved by the UK Listing Authority:

Supplementary Prospectus dated 18 August 2011 updating the Prospectus dated 10 June 2011 of British Telecommunications public limited company ("BT") to reflect the upgrade of BT's senior long term debt obligations by Standard & Poor's.

The Prospectus dated 10 June 2011 relates to BT's existing US$15,000,000,000 Euro Medium Term Note Programme.

A copy of the Supplementary Prospectus has been submitted to the National Storage Mechanism and will shortly be available for inspection at

 www.Hemscott.com/nsm.do

For further information, please contact

BT Investor Relations

Tel: +44 20 7356 4909

E-mail: [email protected]

DISCLAIMER - INTENDED ADDRESSEES

Please note that the information contained in the Supplementary Prospectus may be addressed to and/or targeted at persons who are residents of particular countries (specified in the Supplementary Prospectus) 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 Supplementary Prospectus is not addressed. Prior to relying on the information contained in the Supplementary Prospectus you must ascertain from the Supplementary Prospectus whether or not you are part of the intended addressees of the information contained therein.