Supplementary offering circular relating to the EMTN programme offering circular

RNS Number : 6040J

United Utilities Group PLC

RNS Number: 5876J

United Utilities PLC

United Utilities Water PLC

8 August 2012

Publication of Supplementary Offering Circular

The following supplementary offering circular has been approved by the UK Listing Authority and is available for viewing:

Supplementary offering circular dated 8 August 2012 (the "Supplement") to the offering circular dated 14 November 2011 (the "Offering Circular"), relating to United Utilities PLC and United Utilities Water PLC's multi-issuer EUR 7,000,000,000 Euro Medium Term Note Programme (the "Programme"). Each of United Utilities PLC and United Utilities Water PLC is an issuer under the Programme.

Full documents can be found below:

Part 1

Part 2

Part 3

Part 4

For further information, please contact Brendan Murphy, Head of Treasury, United Utilities Group PLC, on 01925 237137.

United Utilities Group PLC's ordinary shares trade on the London Stock Exchange and its ADRs, each equal to two ordinary shares, trade over the counter under the Trading Symbol 'UUGRY'.

DISCLAIMER - INTENDED ADDRESSEES

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