American Depositary Receipt (ADR)

An American Depositary Receipt (ADR) is a security which has been created to permit US investors to hold shares in non-US companies and trade them on the stock exchanges in the US.

Trading in ADRs, as opposed to ordinary shares, permits US residents to trade in US dollars in the US securities markets with US securities dealers, in the same way as they trade any US securities.

Ratio:

1 ADR = 4 ordinary shares

Exchange:

OTC

Symbol:

CPYYY

CUSIP:

15639K300

Further information on Centrica's ADRs can be found on the?BNY Mellon website.

For enquiries, please contact:

ADR Depositary
BNY Mellon Shareowner Services
PO Box 30170
College Station
TX 77842-3170
USA

Email:?shrrelations@cpshareownerservices.com
Tel: 1-888-269-2377 (toll-free in the US) or?
Tel: 1-201-680-6825 (from outside the US)?
Website:?mybnymdr.com