Holding(s) in Company

Radstone Technology PLC
29 September 2006

The Company has received the following notification:



                                                     Goldman Sachs International

                                                              Peterborough Court

                                                                133 Fleet Street

                                                                          London

                                                                        EC4A 2BB

                                                              Tel: [phone]





29 September 2006



The Company Secretary

Radstone Technology Plc

Water Lane

Towcester

Northamptonshire, NN12 6JN

United Kingdom



Fax: [phone]





Dear Sir/Madam



UK COMPANIES ACT 1985 - SECTIONS 198-203 - Radstone Technology Plc (the "Company
")



This notification relates to issued ordinary shares in the capital of the
Company ("shares") and is given in fulfilment of the obligations imposed by
sections 198-203 of the Companies Act 1985 (the "Act").



We hereby notify you that as at close of business on 27 September 2006, The
Goldman Sachs Group, Inc., ("GS Inc") of 85 Broad Street, New York, NY 10004,
USA, was interested, by attribution only, in a total 1,851,526 shares. The
interest in these shares arose from a beneficial interest held by Goldman Sachs
International, a wholly-owned indirect subsidiary of GS Inc. These shares are,
or will be, registered at CREST in account CREPTEMP.



A copy of this fax is being sent to you by post. Please do not hesitate to
contact me should you have any questions.



Yours faithfully,



Mary Taylor

For and on behalf of

The Goldman Sachs Group, Inc.




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