Changes in responsibilities

UNITED UTILITIES PLC                              

                   PAUL HEIDEN - CHANGE IN RESPONSIBILITIES                    

In accordance with Listing Rule 9.6.11 United Utilities PLC reports the
appointment of Paul Heiden as Chairman of the Audit Committee with effect from
26 February 2008.

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

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United Utilities' ordinary trade on the London Stock Exchange and its ADRs,
each equal to two ordinary shares, trade OTC in the USA under the Trading
Symbol "UUPLY".