UNITED UTILITIES PLC                              

                              TOTAL VOTING RIGHTS                              

                                 30 March 2007                                 

In accordance with Disclosure and Transparency Rule 5.6.1 we hereby notify the
market that at 28 February 2007 the issued share capital of the company is
879,795,194 ordinary shares of �1.00 each with voting rights. No shares are
held in Treasury. Therefore, the total number of voting rights in United
Utilities PLC is 879,795,194.

The above figure may be used by shareholders as the denominator for the
calculations by which they will determine if they are required to notify their
interest in, or a change to their interest in, United Utilities PLC under the
FSA's Disclosure and Transparency Rules.

                 _____________________________________________                 

Further information can be obtained from Paul Davies, Assistant Company
Secretary + 44 1 925 237051.

United Utilities' ordinary trade on the London Stock Exchange and its ADRs,
each equal to two ordinary shares, trade on the New York Stock Exchange under
the Trading Symbol "UU".



END
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