Centrica plc

14 May 2026

Publication of Base Prospectus in respect of Centrica plc's existing Euro Medium Term Note Programme

The following base prospectus (the "Base Prospectus") has been approved by the Financial Conduct Authority in respect of the update of Centrica plc's Euro Medium Term Note Programme:

Centrica plc U.S.$10,000,000,000 Euro Medium Term Note Programme, dated 14 May 2026

The Base Prospectus is available for viewing by clicking on the following URL or copying it into the address bar of your browser:

http://www.rns-pdf.londonstockexchange.com/rns/4116E_1-2026-5-14.pdf

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

For further information, please contact:

Centrica plc

Millstream

Maidenhead Road

Windsor

Berkshire SL4 5GD

Email: ir@centrica.com

DISCLAIMER - INTENDED ADDRESSEES

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

Your right to access this service is conditional upon complying with the above requirement. 

ENDS

Centrica plc is listed on the London Stock Exchange (CNA)

Registered Office: Millstream, Maidenhead Road, Windsor, Berkshire SL4 5GD

Registered in England & Wales number: 3033654

Legal Entity Identifier number: E26EDV109X6EEPBKVH76

ISIN number: GB00B033F229