Holding(s) in Company

3rd Nov 2009 12:35

For filings with the FSA include the annexFor 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 Group PLCof existing shares to which voting rights areattached: ii

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 Pictet Asset Management SAthe notification obligation: iii4. Full name of shareholder(s) See above(if different from 3.):iv5. Date of the transaction and date on 29 October 2009which the threshold is crossed orreached: v6. Date on which issuer notified: 03

November 2009

7. Threshold(s) that is/are crossed or

(Below) 5%reached: vi, vii 8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type of Situation previous Resulting situation aftershares to the triggering the triggering transaction transaction if possibleusingthe ISIN CODE Number Number Number Number of % of voting of of of shares voting rights x Shares Voting rights Rights Direct Direct xi Indirect Direct Indirect xiiOrdinary Shares N/A 38,985,705 0 0 34,044,411 0 4.995% GB00B39J2M42

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

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

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

Resulting situation after the triggering transaction

Type of financial Exercise Expiration Exercise/ Number of voting rights % of voting

instrument price date xvii Conversion period instrument refers to rights xix, xx xviii Nominal Delta Total (A+B+C)

Number of voting rights Percentage of voting rights34,044,411 4.995%

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

Pictet Global Select Fund - Global Utilities Equity Fund, 19,723,723 (2.89%) Proxy Voting:10. Name of the proxy holder: Pictet Asset Management SA11. Number of voting rights proxy holder will cease Not

Applicable

to hold:

12. Date on which proxy holder will cease to hold Not Applicablevoting rights: 13. Additional information: Not Applicable14. Contact name: David Cawthrow, Head of Compliance

15. Contact telephone number: +44 (0) 20

7847 5040

mapper

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Related Shares:

United Utilities