Holding(s) in Company

CML Microsystems PLC
21 May 2003


                      CML Microsystems Plc ('the Company')

                               Holding in Company


The Company was notified on 21 May 2003 by Fidelity International Limited
('Fidelity') that, following a sale of 250,000 ordinary 5p shares of the Company
('Ordinary Shares'), Fidelity is interested in 442,958 Ordinary Shares
representing 3.03 per cent. of the Company's issued ordinary share capital. In
addition, this notifiable interest also comprises Edward C Johnson, a principal
shareholder of Fidelity.


The Ordinary Shares are registered as follows:

Registered Holder                                   No of shares    Percentage

Cydesdale Bank (Head Office) Nominees Limited            386,158          2.64
(FISL)
Brown Brothers Harriman Ltd LUX (FIL)                     56,800          0.39

                                           Total         442,958          3.03


21 May 2003






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