Statement re New Biffa Chairman

Severn Trent Plc announces today that Bob Davies has been appointed Chairman of
Biffa Plc in preparation for the demerger of the Biffa waste management
business in the UK by the end of the year.

Mr Davies, aged 57, recently stood down from Arriva plc after more than seven
years as Chief Executive of the transport services group. He is a non-executive
director of British Energy Group plc and Barratt Development PLC. He was
previously Chief Executive of East Midlands Electricity Plc.

The Chairman of Severn Trent Plc, Sir John Egan, said:

"We are delighted Bob has agreed to become Chairman of Biffa Plc to help lead
the business through the demerger process and into Biffa's new existence as a
separate listed company in the FTSE 250."

Bob Davies said:

"I very much look forward to working with the Biffa management team to develop
the company's prominent position in the UK waste market."

For further information contact:

Peter Gavan

Director of Corporate Affairs

Severn Trent Plc

0121 722 4310

David Trenchard / Peter Hewer

Tulchan Communications Group Ltd

020 7353 4200

Footnotes:

1. Biffa is a leading integrated waste management business in the UK, providing
collection, recycling, treatment and landfill and special waste services to
industrial / commercial clients and to local authorities.

2. Severn Trent Plc announced on 4 April 2006 that it intended to demerge
Biffa. The announcement is available at www.severntrent.com.

3. Bob Davies was appointed as an Independent Non-executive Director of British
Energy Group plc in May 2006. He served as Chief Executive of Arriva plc, the
transport services group, from 1998 until April 2006. He previously held the
same position at East Midlands Electricity Plc, before which he had been
Finance Director of Ferranti International Plc and of Waterford Wedgewood plc.
His earlier career included various senior positions with the Ford Motor
Company. He is currently a Board member at Barratt Developments PLC and the
Sunderland Urban Regeneration Company. He also chairs the Board of Governors of
the University of Sunderland.