Publication of a prospectus

Centrica PLC
                  

                       Publication of Prospectus

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

Supplemental Prospectus dated 12 April 2006 relating to the U.S.$2,000,000,000
Euro Medium Term Note Programme of Centrica plc (the 'Supplemental Prospectus').

To view the full document, please paste the URL into the address bar of your
browser.

Supplemental Prospectus:

http://www.fsa.gov.uk/ukla/

For further information, please contact:

Centrica Media Relations 01753 494085

Centrica Investor Relations 01753 494900

DISCLAIMER - INTENDED ADDRESSEES

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