Publication of a Prospectus

British Telecommunications public limited company

14 February 2020

Publication of Prospectus

The following prospectus has been approved by the Financial Conduct Authority:

Prospectus dated 14 February 2020 (the "Prospectus") relating to the €500 million 1.874 per cent Capital Securities due 2080 of British Telecommunications public limited company.

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

http://www.rns-pdf.londonstockexchange.com/rns/0996D_1-2020-2-14.pdf

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]

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.

In particular, the Prospectus does not constitute an offer of securities for sale in the United States. The €500 million 1.874 per cent Capital Securities due 2080 referred to therein have not been, and will not be, registered under the U.S. Securities Act of 1933, as amended (the "Securities Act") or under any relevant securities laws of any state of the United States of America and may not be offered or sold to U.S. persons or to persons within the United States of America.