Director Declaration

Announcement Body Information:

On 19 December 2005, Severn Trent Plc (the 'Company) was notified that Ms
Marisa Cassoni, a non-executive director of the Company, is to be appointed as
a non-executive director of WSP Group plc with effect from 1 January 2006. This
notification is provided in accordance with LR 9.6.14.

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