Holding(s) in Company

Radstone Technology PLC
10 February 2006



The Company has received the following notification:

                                                  Barclays Corporate Secretariat
                                                               1 Churchill Place
                                                                          London
                                                                         E14 5HP

9 February 2006

The Company Secretary
Radstone Technology PLC
Tove Valley Business Park
Towcester
Northamptonshire
NN12 6JN


Dear Sir


Companies Act 1985 ("The Act") - Part VI


I refer to our previous correspondence and now inform you that as 8 February
2006 Barclays PLC no longer has  a notifiable interest in the capital of your
Company.

According to our records your Company's Issued Share Capital is 30,318,640.  If
this is incorrect please let me know.

If you have any queries relating to this letter please contact me on 020 7116
2913.


Yours faithfully

Geoff Smith


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