Publication of a Prospectus

17 November 2021

British Telecommunications public limited company

Publication of Prospectus

The following prospectus has been approved by the Financial Conduct Authority and is available for viewing.

Prospectus dated 17 November 2021 (the "Prospectus") relating to the U.S.$500,000,000 NC5.25 Capital Securities due 2081 and the U.S.$500,000,000 NC10 Capital Securities due 2081 of British Telecommunications public limited company, guaranteed by BT Group plc.

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

http://www.rns-pdf.londonstockexchange.com/rns/6894S_1-2021-11-17.pdf

A copy of the Prospectus will be submitted to the National Storage Mechanism and will be available shortly for inspection at: https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

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 U.S.$500,000,000 NC5.25 Capital Securities due 2081 and the U.S.$500,000,000 NC10 Capital Securities due 2081 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 except in certain transactions exempt from, or not subject to, the registration requirements of the Securities Act.