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 9717/19 pence each in the Company have been purchased:

Name                          Date of Purchase      No. of    Price (£) 
                                                    Shares              
                                                    Bought              
                                                                        
Bernie Bulkin               17 March 2008                 157   13.70   
                                                                        
Richard Davey               17 March 2008                 144   13.70   
                                                                        
Sir John Egan               17 March 2008                 747   13.70   
                                                                        
Martin Houston              17 March 2008                  90   13.70   
                                                                        
Martin Lamb                 17 March 2008                  12   13.70   
                                                                        
Baroness Sheila Noakes      17 March 2008                  18   13.70   

www.severntrent.com