Correction: Director/PDMR Shareholding

UNITED UTILITIES GROUP PLC                           

                  DIRECTOR'S / PDMR SHAREHOLDING - CORRECTION                  

Further to the announcement made on 30 September 2010, United Utilities Group
PLC discloses that Russ Houlden, CFO, purchased 36,710 ordinary shares at 572p
per share in the Company and not 36,454 as originally disclosed.

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Further information can be obtained from Jane Gilmore, [phone]

United Utilities Group's ordinary shares trade on the London Stock Exchange and
its ADRs, each equal to two ordinary shares, trade over the counter using the
trading symbol "UUGRY"