1st Aug 2007 12:40
BLOCK LISTING SIX MONTHLY RETURN
Information provided on this form must be typed or printed electronically.
To: The FSADate: _31 July_2007Name of applicant: UNITED UTILITIES PLC Name of scheme: UNITED UTILITIES PERFORMANCE SHARE PLAN SCHEME Period of return: From: 31.1.2007 To: 31.7.2007
Balance under scheme from previous 1,903,429 return: The amount by which the block nil scheme has been increased, if the scheme has been increased since the
date of the last return: Number of securities issued/ nil allotted under scheme during period:
Balance under scheme not yet issued 1,903,429 /allotted at end of period Number and class of securities JUNE 2005 - 3,000,000 originally listed and the date of admission Total number of securities in issue 880,204,324
at the end of the period Name of contact: J Gilmore Address of contact: Haweswater House, Lingley Mere Business Park, Great Sankey, Warrington WA5 3LP
Telephone number of contact: 01925 237052
SIGNED BY J Gilmore___________________
Assistant Company Secretaryfor and on behalf ofUNITED UTILITIES PLC
If you knowingly or recklessly give false or misleading information you may be liable to prosecution.
UNITED UTILITIES PLCRelated Shares:
United Utilities