RNS Number:8341R
Isotron PLC
07 November 2003


Isotron Plc (the "Company")

Director Shareholdings

John Barker (Chief Executive) has exercised an option to subscribe for 10,000
ordinary shares in the Company at 315 p per share on the 7 November 2003.
Following the exercise, John Barker sold 8,500 ordinary shares at 440p per share
in order to fund the cost of exercising this option and the personal tax
liability arising on exercise.  This sale also took place on 7 November.

As a result of the above exercise, John Barker has increased his beneficial
interest in the Company from 28,243 ordinary shares to 29,743 ordinary shares.

Paul Wynne (Finance Director) has exercised an option to subscribe for 10,000
ordinary shares in the Company at 315 p per share on the 7 November 2003.
Following the exercise, Paul Wynne sold 8,500 ordinary shares at 440p per share
in order to fund the cost of exercising this option and the personal tax
liability arising on exercise.  This sale also took place on 7 November.

As a result of the above exercise, Paul Wynne has increased his beneficial
interest in the Company from 11,655 ordinary shares to 13,155 ordinary shares.

John Woolston (Regional Director) has exercised an option to subscribe for
10,000 ordinary shares in the Company at 315 p per share on the 7 November 2003.
Following the exercise, John Woolston sold 8,500 ordinary shares at 440p per
share in order to fund the cost of exercising this option and the personal tax
liability arising on exercise.  This sale also took place on 7 November.

As a result of the above exercise, John Woolston has increased his beneficial
interest in the Company from 16,143 ordinary shares to 17,643 ordinary shares.

Jonathan Azis (Chairman) has also increased his interest in the ordinary share
capital of the Company through the purchase of 619 shares at a price of 440p per
share. This purchase took place on 7 November 2003. As a result of the above
purchase, Jonathan Azis now has a beneficial interest in 3,000 ordinary shares
of 25p.

Giles Weaver (Non-Executive Director) also purchased 10,000 shares at a price of
440p per share. This purchase took place on 7 November 2003. As a result of the
above purchase, Giles Weaver now has a beneficial interest in 10,000 ordinary
shares of 25p.

The issued share capital of the Company is 21,072,500 ordinary shares of 25p.


C E Bray, Assistant Company Secretary 01793 567900


                      This information is provided by RNS
            The company news service from the London Stock Exchange
END
RDSNKOKPPBDDQDK