Director/PDMR Shareholding

Severn Trent Plc (the "Company") has been informed that, on 4 May 2010, the
following Director exercised an option over ordinary shares of 97 17/19p each
in accordance with the Company's approved Sharesave Scheme. Details of the
exercise of option and the number of shares acquired are detailed below.

Name           Status       Sharesave Scheme  Option price     No. of Shares   
                                                                               
M J Kane       Director     2007 3 year       1172p            322             
                            scheme                                             

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

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