Publication of Prospectus

1 Nov 2006 13:03

United Utilities PLC01 November 2006 Publication of Supplement to the Offering Circular The following supplement to the Offering Circular has been approved by the UKListing Authority and is available for viewing: Supplement dated 1 November 2006 to the Offering Circular dated 23 November 2005(the "Offering Circular"), relating to United Utilities' multi-issuer€7,000,000,000 (previously €5,000,000,000) Euro Medium Term Note Programme. Each of United Utilities PLC, United Utilities Electricity PLC and UnitedUtilities Water PLC is an issuer under the Programme. To view the full document, please paste the following URL into the address barof your browser. http://www.rns-pdf.londonstockexchange.com/rns/3757l_-2006-11-1.pdf The documents incorporated by reference into the Supplement are available forinspection at the Document Viewing Facility of the UK Listing Authority. For further information, please contact Tom Fallon, Treasurer, United Utilities,on + 44 1925 237064. United Utilities' ordinary shares trade on the London Stock Exchange and itsADRs, each equal to two ordinary shares, trade on the New York Stock Exchangeunder the Trading Symbol "UU". DISCLAIMER - INTENDED ADDRESSEES Please note that the information contained in the Supplement may be addressed toand/or targeted at persons who are residents of particular countries (specifiedin the Offering Circular for the United Utilities PLC / United UtilitiesElectricity PLC / United Utilities Water PLC €5,000,000,000 Euro Medium TermNote Programme dated 23 November, 2005) only and is not intended for use andshould not be relied upon by any person outside these countries and/or to whomthe offer contained in the Offering Circular is not addressed. Prior to relyingon the information contained in the Supplement you must ascertain from theOffering Circular whether or not you are part of the intended addressees of theinformation contained therein. Your right to access this service is conditional upon complying with the aboverequirement. This information is provided by RNS The company news service from the London Stock Exchange