Interim Management Statement

SEVERN TRENT PLC INTERIM MANAGEMENT STATEMENT 21 July 2009 Severn Trent today publishes its interim management statement for the period from 1 April 2009 to 21 July 2009. The Board can confirm that trading has been in line with its expectations and prior guidance. No new material trading events or transactions have occurred during the period. Sales prices in Severn Trent Water have increased by 5.3% (including inflation) from 1 April 2009. The decline in consumption across our measured income base has continued at similar levels to 2008/09; we estimate this will impact revenues by around £15 to £20 million in the current financial year. We expect that net capital expenditure (UK GAAP after deducting grants and contributions) for the year will be around £610 to £630 million. The level of net infrastructure renewals expenditure included in this figure (charged to the income statement under IFRS) is anticipated to be around £100 to £110 million. Severn Trent will announce its interim results on 24 November 2009. ENQUIRIES: Mike McKeon Severn Trent 0121 722 4319 Group Finance Director Jonathan Davies Severn Trent 0121 722 4295 Investor Relations Peter Gavan Severn Trent 0121 722 4310 Director of External Affairs Mal Patel Tulchan 0207 353 4200 Peter Hewer Footnotes: This document contains certain "forward-looking statements" with respect to Severn Trent's financial condition, results of operations and business and certain of Severn Trent's plans and objectives with respect to these items. Forward-looking statements are sometimes, but not always, identified by their use of a date in the future or such words as "anticipates", "aims", "due", "could", "may", "should", "expects", "believes", "intends", "plans", "targets", "goal" or "estimates". By their very nature forward-looking statements are inherently unpredictable, speculative and involve risk and uncertainty because they relate to events and depend on circumstances that will occur in the future. There are a number of factors that could cause actual results and developments to differ materially from those expressed or implied by these forward-looking statements. These factors include, but are not limited to, changes in the economies and markets in which the Group operates; changes in the regulatory and competition frameworks in which the Group operates; the impact of legal or other proceedings against or which affect the Group; and changes in interest and exchange rates. All written or verbal forward-looking statements, made in this document or made subsequently, which are attributable to Severn Trent or any other member of the Group or persons acting on their behalf are expressly qualified in their entirety by the factors referred to above. Severn Trent does not intend to update these forward-looking statements. Severn Trent Plc 23/02/197020/07/2009 16:39:40 Page 1 of 2

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