Supplementary Prospectus

RNS Number:4017J
United Utilities PLC
06 December 2007


Publication of Supplementary Prospectus

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

Supplementary Prospectus dated 6 December 2007 (the "Supplement") to the
Offering Circular dated 20 November 2007 (the "Offering Circular"), relating to
the multi-issuer Euro7,000,000,000 Euro Medium Term Note Programme (the
"Programme") of United Utilities PLC and United Utilities Water PLC.  Each of
United Utilities PLC and United Utilities Water PLC is an issuer under the
Programme.



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

http://www.rns-pdf.londonstockexchange.com/rns/4017j_-2007-12-6.pdf

The documents incorporated by reference into the Supplement are available for
inspection 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.





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 for the Euro7,000,000,000 Euro Medium Term Note Programme
of United Utilities PLC and United Utilities Water PLC dated 20 November, 2007)
only and is not intended for use and should not be relied upon by any person
outside those 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.    

                      This information is provided by RNS
            The company news service from the London Stock Exchange

END

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