Director/PDMR Shareholding

Severn Trent Plc (the "Company") has been informed that, on 2 January 2009, a
grant of share options was made to the following Directors under the Company's
approved Sharesave Scheme. The savings contracts will commence on 1 May 2009
and the share option price is £8.62.

Name                       Status           No. of Options    
                                                              
A J Ballance               Director         556               
                                                              
M J Kane                   Director         222               
                                                              
M J E McKeon               Director         1943              

The Company has also been informed that Mr McKeon has cancelled a previous
savings contract under the Sharesave Scheme which commenced on 1 May 2007 with
options over 1,499 shares at an option price of £11.72.

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

www.severntrent.com