Publication of SuppProspectus

Severn Trent PLC 18 September 2007 Severn Trent PLC 18 September 2007 SEVERN TRENT PLC Publication of Supplementary Prospectus The following Supplementary Prospectus has been approved by the UK Listing Authority and is available for viewing: Supplementary Prospectus dated 18 September 2007 relating to a €3,500,000,000 Euro Medium Note Programme with Severn Trent Plc and Severn Trent Utilities Finance Plc as issuers and Severn Trent Water Limited as Guarantor of Notes issued by Severn Trent Utilities Finance Plc (base prospectus dated 3 August 2007 (the 'Prospectus')). To view the full document, please paste the following URL into the address bar of your browser. http://www.rns-pdf.londonstockexchange.com/rns/0729e_-2007-9-18.pdf For further information, please contact: Severn Trent Plc 2297 Coventry Road Birmingham B26 3PU www.severntrent.com DISCLAIMER - INTENDED ADDRESSEES Please note that the information contained in the Supplementary Prospectus and the Prospectus may be addressed to and/or targeted at persons who are residents of particular countries (specified in the Prospectus) only and is not intended for use and should not be relied upon by any person outside these countries and/or to whom the offer contained in the Prospectus is not addressed. Prior to relying on the information contained in the Supplementary Prospectus and the Prospectus you must ascertain from the Prospectus whether or not you are part of the intended addressees of the information contained therein. The Notes have not been and will not be registered under the United States Securities Act of 1933, as amended (the 'Securities Act'), or any relevant securities laws of any state of the United States and are subject to U.S. tax law requirements. Subject to certain exceptions, the Notes may not be offered, sold or delivered in the United States or to or for the account or benefit of U.S. persons, as such terms are defined in Regulation S under the Securities Act. Your right to access this service is conditional upon complying with the above requirement. This information is provided by RNS The company news service from the London Stock Exchange

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Severn Trent (SVT)
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