Holding(s) in Company

Radstone Technology PLC
25 July 2006


FOR IMMEDIATE RELEASE                                               25 July 2006

                    Radstone Technology PLC (the 'Company')
                               Holding in Company
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The Company has been informed that Water Lane Trustees Limited, the Trustee of
the Radstone Technology Employee Trust, distributed 10,555 ordinary shares of
12.5p each in the Company to certain employees including Peter Cavill (Director)
on 25 July 2006. These represented shares held by the Trust as part of the
bonuses earned by senior executives of the Company in prior years, the ownership
of which became unconditional on 1 July 2006, hence triggering the distribution.

In addition to, and at the same time as this distribution, the Trust disposed of
7,623 ordinary shares at £2.57 per share in order to meet the tax and national
insurance liabilities of the beneficiaries of the Trust.

Furthermore, the Trust acquired 17,878 ordinary shares of 12.5p each in the
Company at £2.62 per share.  These shares represent part of the bonuses earned
by senior employees which are converted into shares.  The shares are held in
trust in trust on the employee's behalf for a period of three years during which
time their right to ownership is lost should they leave the Company.

Following the distribution and purchase, the shareholdings of the Trust and the
relevant Director of the Company, who received shares from the Trust, are as
follows:

Name                       Number of shares (disposed of)/   Current Holding  % of issued share
                           received                                           capital
Radstone Technology
Employee Trust:
- disposals                (18,178)
- purchases                17,878                            178,616          0.59
PJ Cavill                  4,825                             106,182          0.35


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