Director/PDMR Shareholding

Severn Trent Plc has been informed that on 7 July 2009:

1) deferred share awards totalling 54,222 Ordinary Shares of 97 17/19 pence
each ("Ordinary Shares") in Severn Trent Plc were awarded under the terms of
the Severn Trent Annual Bonus Scheme, in respect of the year ended 31 March
2009, to the Directors and Persons Discharging Managerial Responsibilities
("PDMR") of the Company as set out below. These Ordinary Shares will vest on
the third anniversary of award subject to continued employment; and

2) 82,248 Ordinary Shares were provisionally allocated under the terms of the
Severn Trent Plc Long Term Incentive Plan 2006 ("LTIP") to the Directors and
PDMRs of the Company as set out below. These Ordinary Shares will vest at the
end of a three year performance period, depending on the achievement of
performance targets.

Name                     Status            No. of Deferred   No. of LTIP Shares
                                          Shares Subject to   Subject to Award 
                                                Award                          
                                                                               
A J Ballance             Director                      5,669              7,405
                                                                               
M J Kane                 Director                      6,243              8,154
                                                                               
M J E McKeon             Director                     14,343             18,733
                                                                               
A P Smith                Director                      8,437             11,019
                                                                               
A P Wray                 Director                     15,187             27,769
                                                                               
F B Smith                PDMR                          4,343              9,168

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

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