Holding(s) in Company

Radstone Technology PLC
15 December 2006

                                       Credit Suisse Securities (Europe) Limited
                                                                One Cabot Square
                                                                          London
                                                                         E14 4QJ
                                                        Tel: [phone]
                                                        Fax: [phone]


Fax: [phone]

The Company Secretary
Radstone Technology plc
Tove Valley Business Park
Towcester
Northants, NN12 6PF


14 December 2006



Dear Sirs,


Radstone Technology plc ("The Company")

This notification relates to the ordinary shares of the Company ("the shares")
and is given in fulfilment of the obligations imposed under section 198 of the
Companies Act 1985 ("the Act").

We hereby notify you that on 12 December 2006, following a tender of shares,
Credit Suisse Securities (Europe) Limited no longer has a notifiable interest in
shares of the Company for the purpose of section 198 of the Act.


Yours faithfully,

Rob Daborn
Vice President - Legal and Compliance


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