Final Terms

Publication of Final Terms

The following document has been filed with the UK Listing Authority and is available for viewing:

Final Terms dated 15 June 2011

South Eastern Power Networks plc

£200,000,000 5.625 per cent. Notes due 2030 (the "Notes")

issued under the

£10,000,000,000 Euro Medium Term Note Programme established by

Eastern Power Networks plc, London Power

Networks plc and South Eastern Power Networks plc

The Final Terms for the Notes contain the final terms of the Notes and must be read in conjunction with the offering circular dated 26 May 2011 (the "Prospectus").

To view the Final Terms, please paste the following URL into the address bar of your browser.

http://www.rns-pdf.londonstockexchange.com/rns/6898I_-2011-6-17.pdf

A copy of the Final Terms and the Prospectus have been submitted to the National Storage Mechanism and will shortly be available for inspection at: www.Hemscott.com/nsm.do

DISCLAIMER - INTENDED ADDRESSEES

Please note that the information contained in the Final Terms (when read together with the Prospectus) may be addressed to and/or targeted at certain persons (as contemplated in the Prospectus) only and is not intended for use and should not be relied upon by any other person to whom the offer contained in the Final Terms and the Prospectus is not addressed. Prior to relying on the information contained in the Final Terms and the Prospectus you must ascertain from the Prospectus whether or not you are an intended addressee of the information contained therein.

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