RNS Number:4220S
Isotron PLC
24 November 2003

Letter to RNS

Section 198-202 Companies Act 1985

We are writing to notify you that Artemis Investment Management Limited notified
us on 21 November 2003 that following recent market sales they now have a
notifiable interest of 8.61% in the issued share capital of Isotron plc. The
beneficial holders are detailed below.
 
Beneficial Owner             Number of Shares held         Percentage Interest

Artemis Smaller
Companies                         985,000                       4.67%

Artemis Special
Situations                        832,147                       3.94%

Total Interest                  1,817,147                       8.61%


From C E Bray (Mrs)
Assistant Company Secretary 



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