Holding in Company

CML Microsystems PLC
26 March 2001

                     CML Microsystems Plc ('the Company')

                              Holding in Company


The Company was notified today by Fidelity International Limited ('Fidelity')
that Fidelity is interested in 860,030 ordinary 5p shares of the Company
('Ordinary Shares') representing 5.89 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

Clydesdale Bank (Head Office) Nominees Limited             500,000         3.42
Chase Nominees Ltd                                         105,000         0.72
Clydesdale Bank (Head Office) Nominees Limited             200,000         1.37
Bankers Trust                                               55,030         0.38


Total                                                                      5.89




26 March 2001