Director/PDMR Shareholding

Severn Trent Plc (the "Company") has been informed that, on 10 August 2009, the
following Director exercised options over ordinary shares of 97 17/19p each in
accordance with the Company's approved Sharesave Scheme. Details of the
exercise of options and the number of shares acquired are detailed below.

Name           Status       Sharesave Scheme  Option price     No. of Shares   
                                                                               
A P Smith      Director     2006 3 year       823p             1,136           
                            scheme                                             

This notification is provided in accordance with DTR3.1.4R(1).

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