For filings with the FCA include the annex

For filings with issuer exclude the annex



TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi



1. Identity of the issuer or the underlying issuer                     United Utilities
of existing shares to which voting rights are                              Group Plc
attached:ii                                                              GB00B39J2M42

2 Reason for the notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights                                            X

An acquisition or disposal of qualifying financial instruments which may result
in the acquisition of shares already issued to which voting rights are attached

An acquisition or disposal of instruments with similar economic effect to
qualifying financial instruments

An event changing the breakdown of voting rights

Other (please specify):

3. Full name of person(s) subject to the                             Norges Bank
notification obligation:iii

4. Full name of shareholder(s)                                       N/A
 (if different from 3.):iv

5. Date of the transaction and date on
which the threshold is crossed or                                    6 January 2014
reached: v

6. Date on which issuer notified:                                    7 January 2014

7. Threshold(s) that is/are crossed or                               Below 3%
reached: vi, vii





8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type   Situation previous             Resulting situation after the triggering transaction
of           to the triggering
shares       transaction

             Number            Number       Number     Number of voting      % of  voting rights x
if possible  of                of           of shares  rights
using        Shares            Voting
the ISIN                       Rights       Direct     Direct xi    Indirect Direct    Indirect
CODE                                                                xii




             20,484,273        20,484,273   20,433,472 20,433,472            2.997%
GB00B39J2M42





B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of        Expiration       Exercise/               Number of voting              % of voting
financial      date xiii        Conversion Period xiv   rights that may be            rights
instrument                                              acquired if the
                                                        instrument is
                                                        exercised/ converted.

N/A            N/A              N/A                     N/A                           N/A



C: Financial Instruments with similar economic effect to Qualifying Financial
Instruments xv, xvi

Resulting situation after the triggering transaction

Type of       Exercise price   Expiration  Exercise/   Number of voting rights % of voting rights
financial                      date xvii   Conversion  instrument refers to    xix, xx
instrument                                 period
                                           xviii

N/A           N/A              N/A         N/A         N/A                     Nominal   Delta

                                                                               N/A       N/A



Total (A+B+C)

Number of voting rights                            Percentage of voting rights

20,433,472                                         2.997%





9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable: xxi



N/A



Proxy Voting:

10. Name of the proxy holder:                                     Norges Bank

11. Number of voting rights proxy holder will cease               N/A
to hold:

12. Date on which proxy holder will cease to hold                 N/A
voting rights:




13. Additional information:                              None

14. Contact name:                                        Stanislav Boiadjiev

15. Contact telephone number:                            +47 2407 3142