Director/PDMR Shareholding

Severn Trent Plc (the "Company") announces that, as part of the ongoing
remuneration arrangements for its non-executive directors, the following
ordinary shares of 655/19 pence each in the Company have been purchased:

Name                Date of Purchase       No. of    Price (£)      Total      
                                           Shares                Shareholding  
                                           Bought               Following this 
                                                                   Purchase    
                                                                               
Bernie Bulkin     15 September 2006              128  13.5275               128
                                                                               
Marisa Cassoni    15 September 2006               98  13.5275             1,018
                                                                               
Richard Davey     15 September 2006              167  13.5275               167
                                                                               
Sir John Egan     15 September 2006              757  13.5275             8,045
                                                                               
Martin Houston    15 September 2006               91  13.5275             1,494

www.severntrent.com