Block listing Application

UNITED UTILITIES GROUP PLC                           

                           BLOCK LISTING APPLICATION                           

Application has been made to The UK Listing Authority and the London Stock
Exchange for block listings totalling 10,000,000 Ordinary shares of 5p each to
trade on the London Stock Exchange and to be admitted to the Official List upon
issuance. The shares shall rank equally with the existing issued ordinary
shares of the Company.

The Block listings consist of shares to be issued under the following Schemes:
- United Utilities Group Matching Share Plan Scheme, United Utilities Group
Performance Share Plan, United Utilities Group SAYE Share Option Scheme and
United Utilities Group Executive Share Option Scheme.

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Further information can be obtained from Antony Taylor, Assistant Company
Secretary on 01925 237251

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".