Publication of Prospectus

Publication of Prospectus

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

Prospectus dated 21 June 2012 (the "Prospectus") relating to the $750,000,000 2.000% Senior Notes due 2015 and the $500,000,000 Floating Rate Senior Notes due 2013 of British Telecommunications public limited company ("BT").

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

http://www.morningstar.co.uk/uk/NSM

For further information, please contact

BT Investor Relations

Tel: +44 20 7356 4909

E-mail: [email protected]

To view the prospectus, click on, or paste the following link into your web browser.

http://www.rns-pdf.londonstockexchange.com/rns/9098F_-2012-6-21.pdf

DISCLAIMER - INTENDED ADDRESSEES

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