ANNUAL REPORT AND FINANCIAL STATEMENTS 2009

Important information

United Utilities monitors a large number of financial and non-financial key performance indicators (KPIs) to assess its performance. The non-financial KPIs include targets set by regulatory bodies. We believe that those featured right provide an overall picture of our business. Additional non-financial KPIs are provided in our online corporate responsibility report at unitedutilities.com/crreport2009

Cautionary statement:

The Annual Report contains certain forward-looking statements with respect to the operations, performance and financial condition of the group. By their nature, these statements involve uncertainty since future events and circumstances can cause results and developments to differ materially from those anticipated. The forward-looking statements reflect knowledge and information available at the date of preparation of this Annual Report and the company undertakes no obligation to update these forward-looking statements. Nothing in this Annual Report should be construed as a profit forecast. Certain regulatory performance data contained in this Annual Report is subject to regulatory audit.

Terms used in this report:

The ‘group’ or ‘United Utilities’ means United Utilities Group PLC and its subsidiary undertakings; the ‘regulated business’, ‘regulated activities’ or ‘UUW’ means the licensed water and wastewater activities undertaken by United Utilities Water PLC in the North West of England; the ‘non-regulated business’ or ‘non-regulated activities’ refers to the group’s other utility infrastructure operations in the UK and overseas.