Directorate Change

Byotrol PLC
04 September 2007

4 September 2007

                    Byotrol plc ('Byotrol' or 'the Company')

                               Directorate change

The Board of Byotrol is pleased to announce the appointment of Mr. Adrian J.R.
Smith as Non-Executive Director of the Company with immediate effect. .

Adrian Smith started his business career at Procter & Gamble Ltd in 1966 and
served 13 years in both sales and brand management positions. He also spent 11
years at Ecolab Inc. in Europe and the United States as a senior international
executive. He is currently the Chief Executive of The Woolton Group LLC, and is
the non-executive chairman of Gaming VC S.A. He is also a non-executive director
at Tutogen Inc. in Alachua, Florida. Before retiring from Deloitte Touche
Tohmatsu in 2004, Adrian served as the CEO of Grant Thornton LLP and as a
worldwide managing partner for marketing at Arthur Andersen from 1992 until
1997.

David McRobbie, Chief Executive Officer, commented 'I am delighted to welcome
Adrian Smith to our board. His experience in certain of our target markets and
his varied business strengths will add to the quality of our Board'

Adrian John Russell Smith, aged 62, holds or has held the following
directorships:

Current Directorships & Partnerships
Invensco LLP
Woolton Group LLC
Tutogen Inc.
Gaming VC S.A.
The Education Foundation of Indian River County

Past Directorships & Partnerships
Carter & Carter Group plc
Harbor Branch Oceanographic Institute
Grant Thornton LLP
Deloitte & Touche LLP
Arthur Andersen LLP


There are no other details required to be disclosed under paragraph (g) of 
Schedule 2 of the AIM Rules.

For further information please contact:

Byotrol plc                                                0161 277 9518
Richard Bell, Finance Director                             07825 204110

Charles Stanley Securities (Nominated Adviser)             020 7149 6000
Philip Davies/Carl Holmes




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