United Utilities Regulatory News (UU.)

UNITED UTILITIES GROUP PLC

DIRECTORS' AND PDMR INTERESTS IN SHARES

United Utilities Group PLC ("the Company") announces that it received notification on 12 May 2016 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 11 May 2016, 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 948.48 pence per share.

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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".