REG-United Utilities Grp: Director/PDMR Shareholding

UNITED UTILITIES GROUP PLC

DIRECTORS' AND PDMR INTERESTS IN SHARES

United Utilities Group PLC ("the Company") announces that it received
notification on 6 April 2010 that the Trustee, Equiniti Share Plan Trustees
Limited, purchased ordinary shares of 5p each on behalf of the following
directors and persons discharging managerial responsibility on 1 April 2010, to
be held in accordance with the rules of the Company's HMRC approved share
incentive plan. The shares were purchased at a price of 561.0 pence per share.

Director/PDMR No. of Shares
purchased

Martin Bradbury 26

Alison Clarke 27

Charlie Cornish 28

Steve Fraser 27

Philip Green 28

Tom Keevil 28

Gaynor Kenyon 27

Tim Weller 26

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Further information can be obtained from Jane Gilmore, Deputy Company Secretary
44 1 925 237052

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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 under the
Trading Symbol "UUGRY".

END