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 (£)      Total      
                                           Shares                Shareholding  
                                           Bought               Following this 
                                                                   Purchase    
                                                                               
Bernie Bulkin     15 March 2007                  154  13.733                239
                                                                               
Richard Davey     15 March 2007                  188  13.733                299
                                                                               
Sir John Egan     15 March 2007                  746  13.733              6,109
                                                                               
Martin Houston    15 March 2007                   90  13.733              1,086

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