Holding in Company

Radstone Technology PLC
30 November 2001


                   Radstone Technology PLC (the 'Company')

                     Substantial Shareholder Notification


The Company was informed today that on 29 November 2001, Standard Life
Investments purchased 25,000 ordinary shares of 12.5p each in the Company
('Ordinary Shares') on behalf of Standard Life Group. As a result of this
purchase, Standard Life Group now has an interest in 1,209,000 Ordinary
Shares, representing 5.1% of the Company's issued ordinary share capital. The
registered holder of the above interest is Stanlife Nominees Limited.


30 November 2001