Publication of a Prospectus

British Telecommunications public limited company

16 June 2017

Annual Update of Existing Euro Medium Term Note Programme

The following Prospectus has been approved by the UK Listing Authority and is available for viewing:

Prospectus dated 16 June 2017 (the "Prospectus") relating to the annual update of the existing U.S.$15,000,000,000 Euro Medium Term Note Programme of British Telecommunications public limited company ("BT").

The Prospectus includes details of the Arranger and Dealer and incorporates by reference BT's Annual Report & Form 20-F 2017.

To view the Prospectus in full, please paste the following URL into the address bar of your browser

http://www.rns-pdf.londonstockexchange.com/rns/3901I_1-2017-6-16.pdf

A copy of the Prospectus will be submitted to the National Storage Mechanism and will be available shortly 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: ir@bt.com

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 in the Prospectus.