Thames Water Commercial Services Limited, whose registered office is at:

Clearwater Court

Vastern Road

Reading

Berkshire

RG1 8DB

Gives notice that it has made an application to the Office of Water Services (“Ofwat”) for a combined licence under section 17A of the Water Industry Act 1991.

Any person who wishes to make representations or objections with respect to the application should do so in writing (which includes by e-mail) to Ofwat at:

Markets Business Support

Ofwat

Centre City Tower

7 Hill Street

Birmingham

B5 4UA

Richard.Field@ofwat.gsi.gov.uk

These must be received at Ofwat no later than 17.00 hours on the twentieth working day after the day of publication of this notice on Ofwat’s website. Further information about how to make representations or objections, including information on the treatment of confidential information, can be obtained from Ofwat at the above address or at www.ofwat.gov.uk

Dr Piers Clark

Director

For and on behalf of Thames Water Commercial Services Limited

Date: 27th June 2012