Total Voting Rights

UNITED UTILITIES GROUP PLC - Total Voting Rights

PR Newswire

London, January 2

In accordance with the Disclosure and Transparency Rule 5.6.1 United UtilitiesGroup PLC hereby notifies the market that on 31 December 2012 the total numberof voting rights in the company is 681,888,418 and the total shares in issueare 681,888,418. No shares are held in Treasury.

Notification of major interests in shares should be emailed to Secretariat@uuplc.co.uk and faxed to 01925 237073.

Further information can be obtained from Jane Gilmore, Deputy Company Secretary+ 44 1 925 237052.

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