United Utilities wins contract with Southern Water

United Utilities Group PLC

30 June 2009

              UNITED UTILITIES WINS NEW CAPITAL DELIVERY CONTRACT              

                              WITH SOUTHERN WATER                              

United Utilities announces that the 4D consortium, in which it has a 40 per
cent share, has won a new capital delivery contract with Southern Water to
manage the design and build of a new wastewater treatment works in the Brighton
and Hove area.

The £225 million contract will begin with immediate effect. The construction
phase is expected to take approximately three years, followed by the potential
for a two year contract to operate and maintain the new plant.

Chief Executive of United Utilities, Philip Green, said:

"This new contract consolidates our position as the leading utility
infrastructure outsourcing company in the UK, delivering further growth through
applying our core skills on an asset-light basis."

United Utilities'contacts

For further information please contact:

Philip Green, Chief Executive                        [phone]     
                                                                             
Tim Weller, Chief Financial Officer                  [phone]     
                                                                             
Gaynor Kenyon, Communications Director               [phone]     
                                                                             
Darren Jameson, Head of Investor Relations           [phone]     
                                                                             
James Bradley / Tom Murray, Tulchan Communications   [phone]