Director/PDMR Shareholding

UNITED UTILITIES GROUP PLC                           

                            PERFORMANCE SHARE PLAN                             

                                 14 JULY 2010                                  

The following contingent option awards were granted in the UK on 13 July 2010
to the undernoted directors and persons discharging managerial responsibility
pursuant to the rules of the United Utilities Group 2008 Performance Share Plan
as approved by the shareholders at the General Meeting on 1 July 2008. The
figures reflect the maximum number of shares over which the option might be
exercised. The actual number will depend upon the extent to which the
established performance conditions are satisfied over the performance period.
Under the rules, the awards are subject to uplift for notional dividends made
or paid during the performance period.

Name of director  No. of     Price      Price         Performance period    
/senior manager  Ordinary  paid for   payable on                            
  discharging     shares    award £   exercise £                            
   managerial     awarded                                                   
responsibilities                                                            
                                                                            
Philip Green       100,739    nil        nil       01/04/2010 to 31/03/2013 
                                                                            
Tom Keevil          26,149    nil        nil       01/04/2010 to 31/03/2013 
                                                                            
Alison Clarke       24,346    nil        nil       01/04/2010 to 31/03/2013 
                                                                            
Paul Worthington    22,091    nil        nil       01/04/2010 to 31/03/2013 
                                                                            
Gaynor Kenyon       14,923    nil        nil       01/04/2010 to 31/03/2013 
                                                                            
Matthew Wright      21,415    nil        nil       01/04/2010 to 31/03/2013 
                                                                            
Steven Fraser       18,034    nil        nil       01/04/2010 to 31/03/2013 
                                                                            
Total              227,697                                                  

                           MATCHING SHARE AWARD PLAN                           

The ordinary shares in United Utilities Group PLC in column 1 below were
allotted in the UK after close of the market on 13 July 2010 to the undernoted
directors and persons discharging managerial responsibility at full market
value. These shares will constitute investment shares as defined in the rules
of the United Utilities Group PLC 2008 Matching Share Award Plan (the "Plan")
which was approved by the shareholders at the General Meeting on 1 July 2008.

On 13 July 2010, the trustees of the Plan granted in the UK, matched share
awards as listed in column 2 below. The matching share awards give each
executive an option to acquire up to a maximum number of ordinary shares in
United Utilities Group PLC at nil cost to them subject to the rules of the
Plan. The actual number of ordinary shares which will vest will depend upon the
extent to which the established performance conditions are satisfied over the
performance period. Under the rules, the awards are subject to uplift for
notional dividends made or paid during the performance period.

                   Column 1            Column 2                                 
                                                                                
Name of director      No of  Price per  No. of    Price     Price    Performance
/senior manager  investment share paid Matching  paid for payable on      period
discharging          shares         on  shares   matching  exercise             
managerial         allotted  allotment  awarded   share       of                
responsibilities                     £           award £   matching             
                                                            share               
                                                           award £              
                                                                                
Tom Keevil            6,832     £5.545    13,943   nil       nil      01/04/2010
                                                                       to 31/03/
                                                                            2013
                                                                                
Matthew Wright        5,227     £5.545    10,669   nil       nil      01/04/2010
                                                                       to 31/03/
                                                                            2013
                                                                                
Totals               12,059               24,612                                

                            ----------------------                             

Further information can be obtained from Jane Gilmore, Deputy Company Secretary
on 01925 237051

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".