Holding(s) in Company

RNS Number:4855D
MTL Instruments Group PLC
07 September 2007

TR-1:


NOTIFICATION OF MAJOR INTERESTS IN SHARES

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

    The MTL Instruments Group Plc


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

    An acquisition or disposal of voting rights: Yes

    An acquisition or disposal of financial instruments which may result in the
    acquisition of shares already issued to which voting rights are attached: No

    An event changing the breakdown of voting rights: No

    Other (please specify): No


3.  Full name of person(s) subject to the notification obligation:
 
    Merrill Lynch British Smaller Companies Trust Plc


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

    N/A


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

    5 September 2007


6.  Date on which issuer notified:

    6 September 2007


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

    Now below 3%


8.  Notified details:

A: Voting rights attached to shares

Class/type of shares if possible using    Situation previous to the triggering
the ISIN CODE                                          transaction
                                          Number of       Number of Voting
                                          Shares          Rights
Ordinary Shares                           593,790         593,790
GB0005507768


Resulting situation after the triggering transaction

Class/type of shares if          Number of  Number of Voting    % of Voting
possible using the ISIN CODE     Shares     Rights              Rights

                                            Direct   Indirect   Direct  Indirect
Ordinary Shares                  443,790    443,790  Nil        2.28%   Nil
GB0005507768


B: Financial Instruments

Resulting situation after the triggering transaction

Type of      Expiration Exercise/     Number of Voting Rights that may    % of
financial    Date       Conversion    be acquired if the instrument       Voting
instrument              Period/ Date  is exercised/ converted.            Rights

N/A          N/A        N/A           N/A                                 N/A

Total (A+B)

Number of Voting Rights               % of Voting Rights
443,790                               2.28%



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

    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:

    None


14. Contact name:

    Bill Greenhalgh, Finance Director


15. Contact telephone number:

    01582 407534







                      This information is provided by RNS
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