Severn Trent Plc has been informed that Ordinary Shares of 97 17/19p, under the Severn Trent Plc Share Incentive Plan, have been purchased and allocated as follows:- Name Status No. of Shares held in trust A J Ballance Director 20 M J Kane Director 20 M J E McKeon Director 20 A P Smith Director 20 A P Wray Director 20 F B Smith PDMR 20

The date of the allocation was 1 August 2008 and the shares were purchased at a price of £13.31. The shares will be held in trust for a minimum period of 3 years.

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

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