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     17 September 2007              158  13.5775               397
                                                                               
Richard Davey     17 September 2007              145  13.5775               444
                                                                               
Sir John Egan     17 September 2007              754  13.5775             6,863
                                                                               
Martin Houston    17 September 2007               91  13.5775             1,177

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