Total Voting Rights

Byotrol PLC
14 December 2006

                            Byotrol Plc ('Byotrol')

                              Total Voting Rights


For the purposes of the transitional provision of the Financial Services
Authority's Disclosure and Transparency Rules, the total number of ordinary
shares of 0.25p of Byotrol in issue as at the date of this notice is 43,212,849
with each share carrying the right to one vote.

The above figure may be used by shareholders as the denominator for the
calculations by which they will determine if they are required to notify their
interest in, or a change to their interest in Byotrol, under the Disclosure and
Transparency Rules.


14 December 2006


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