Holding(s) in Company

Byotrol PLC
06 September 2007



TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES





1.      Identity of the issuer or the underlying issuer of existing shares to
which voting rights are attached (ii):



Byotrol Plc



2.      Reason for the notification (please state Yes/No): (    )



An acquisition or disposal of voting rights: ( X )



An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached: (    )



An event changing the breakdown of voting rights: (    )



Other (please specify): (    )



3.      Full name of person(s) subject to the notification obligation (iii):



Aberdeen Asset Management

PLC's Fund Management

Operating Subsidiaries



4.      Full name of shareholder(s) (if different from 3.) (iv):



N/A



5.      Date of the transaction (and date on which the threshold is crossed or
reached if different) (v):



24/08/2007



6.      Date on which issuer notified:



05/09/2007



7.      Threshold(s) that is/are crossed or reached:



5%




8.      Notified details:



Aberdeen's holding has increased due to the acquisition of Glasgow Investment
Managers Limited.



A:   Voting rights attached to shares


Class/type of shares if possible           Situation previous to the Triggering transaction (vi)
using the ISIN CODE
                                  Number of shares                   Number of voting Rights (viii)


GB00B0999995                      0                                  0



Resulting situation after the triggering transaction (vii)


Class/type of shares if         Number of shares         Number of voting rights (ix)  % of voting rights
possible using the ISIN CODE
                                Direct                   Direct (x)  Indirect (xi)     Direct    Indirect


GB00B0999995                    2,325,535                            2,325,535                   5.23



B:   Financial Instruments

Resulting situation after the triggering transaction (xii)


Type of         Expiration Date     Exercise/Conversion       Number of voting rights     % of voting rights
financial       (xiii)              Period/ Date (xiv)        that may be acquired if the
instrument                                                    instrument is exercised/
                                                              converted.






Total (A+B)


Number of voting rights           % of voting rights

2,325,535                         5.23



9.      Chain of controlled undertakings through which the voting rights and/or
the financial instruments are effectively held, if applicable (xv):



N/A




Proxy Voting:



10.    Name of the proxy holder:



N/A



11.    Number of voting rights proxy holder will cease to hold:



N/A



12.    Date on which proxy holder will cease to hold voting rights:



N/A



13.    Additional information:



N/A



14.    Contact name:



Michael Tay



15.    Contact telephone number:



01224 425 103


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