Holding(s) in Company

Radstone Technology PLC
11 August 2004



The company has received the following announcement:

                                                 Fidelity Investments
                                                 Windmill Count
                                                 Millfield Lane
                                                 Lower Kingswood
                                                 Tadworth
                                                 Surrey KT20 6RG


                                                 10 August, 2004

Radstone Technology Plc
Water Lane
Towcester
Northamptonshire, NN12 6JN
United Kingdom

Fax: [phone]


ATTN: Company Secretary


Dear Sirs,



Enclosed are amended notifications of disclosable interests under the U.K.
Companies Act 1985.  Please note that while this information details the
disclosable interest of more than one entity, the enclosed disclosure
constitutes separate notifications of interest which have been combined solely
for purposes of clarity and efficiency.  It is not intended to indicate that any
of these entities act as a group or in concert with respect to these interests.



These disclosures are made in the interest of conformity with the Companies Act.
The Interest detailed herein were acquired solely for investment purposes.
For disclosure purposes, holdings should be represented as FMR Corp. and its
direct and indirect subsidiaries, and Fidelity International Limited (FIL) and
its direct and indirect subsidiaries, both being non-beneficial holders.



If you have any questions please contact Amanda Phillips at 01737 837 092 or by
FAX on 01737 837 450.



Kindest regards



Amanda Phillips

Regulatory Reporting Analyst

FIL - Investment Compliance




Amendment #5



NOTIFICATIONS UNDER SECTION1 98 TO 202 - U.K. COMPANIES ACT



1.         Company in which shares are held:         Radstone Technology Plc



2.         Notifiable Interest: Ordinary Shares



(a)        FMR Corp.
           82 Devonshire Square
           Boston, MA 02109


          Parent holding company of Fidelity Management and Research Company
(FMRCO), investment manager for US mutual funds and Fidelity Management Trust
Company (FMTC), a US state chartered bank which acts as a trustee or investment
manager of various pension and trust accounts.  (See Schedule A for listing of
Registered Shareholders and their holdings).



(b)       Fidelity International Limited (FIL)
          P.O. Box HM 670
          Hamilton HMCX, Bermuda



          Parent holding company for various direct and indirect
subsidiaries.  (See Schedule A for listing of Registered Shareholders and their
holdings.)



3.        The notifiable interests also comprise the notifiable interest of:



              Mr. Edward C Johnson 3d
              82 Devonshire Street
              Boston, MA 02109



         A principal shareholder of FMR Corp. and Fidelity International
         Limited



4.      The notifiable interests include interest held on behalf of
authorized unit trust schemes in the U.K., notwithstanding the exemption from
reporting pursuant to Section 209 (1)(h) of the Companies Act 1985.



5.         These notifications of disclosable interests constitute separate
notifications of interest in the shares and are combined solely for the purposes
of clarify and efficiency.  Nothing herein should be taken to indicate that FMR
Corp. and its direct and indirect subsidiaries, Fidelity International Limited
and its direct and indirect subsidiaries or Mr. Edward C. Johnson 3d act as a
group or in concert in respect of the disclosed interests, or that they are
required to submit these notifications on a joint basis.



6.         The disclosable interests arise under section 208(4)(b) of the Act,
namely where a person, not being the registered holder, is entitled to exercise
a right conferred by the holding of the shares or to control the exercise of
such rights, or under section 203 of the Act respectively.



                                 By Rani Jandu
                                 Regulatory Reporting Manager, FIL
                                - Investment Compliance
                                Duly authorised under Powers of Attorney
                                dated July 9, 2004 by Eric D. Roiter by and
                                on behalf of FMR Corp. and its direct and
                                indirect subsidiaries, and Fidelity International
                                Limited and its direct and indirect
                                subsidiaries



Schedule A                             Amendment #5
Security: Radstone Technology Plc


Ordinary Shares              Shares Held    Management    Nominee/Registered Name
                                             Company

                                  16,661       FIL        Bank of New York London Total
                                  44,459       FIL        Bankers Trust Total
                                  93,700       FIL        Chase Manhattan Bank London Total
                                  64,106       FIL        Citibank Total
                                 641,578       FIL        HSBC Total
                                  64,860       FIL        JP Morgan Total
                                  28,400       FIL        Northern Trust total
                                  65,041       FIL        State Street Bank & Trust Total
                                 278,600       FISL       Chase Manhattan Bank London Total
                                 225,000      FMRCO       HSBC Total
                                 150,000       FMTC       Nortrust Nominees Total
                                  61,596       FPM        Chase Nominees Ltd Total
                                  30,503       FPM        HSBC Client holdings Nominee (UK) Limited Total
                               1,764,504                  Grand Total Ordinary Shares


Current ownership                  6.32%
percentage:


Shares in issue:              27,932,860


Change in holdings              +121,566
since last filing:
                         ordinary shares












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