Holding(s) in Company

RNS Number:9887J
MTL Instruments Group PLC
14 December 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:

    Cazenove Capital Management Ltd


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):
 
    13 December 2007


6.  Date on which issuer notified:

    14 December 2007


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

    Below 5%


8.  Notified details:

A:  Voting rights attached to shares

Class/type of shares if possible     Situation previous to the
using the ISIN CODE                  triggering transaction

                                     Number of     Number of Voting
                                     Shares        Rights
Ordinary Shares                      977,200       977,200

GB0005507768


Resulting situation after the triggering transaction

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

Ordinary Shares        967,200       967,200    Nil          4.97      Nil

GB0005507768


B:  Financial Instruments

Resulting situation after the triggering transaction

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

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


Total (A+B)

Number of Voting       % of Voting
Rights                 Rights

967,200                4.97



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, The MTL Instruments Group plc


15. Contact telephone number:

    01582 407534














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