Holding(s) in Company

Radstone Technology PLC
02 February 2005

The company has received the following announcement:


                                              Fidelity Investments
                                              Windmill court
                                              Millfield Lane
                                              Lower Kingswood
                                              Tadworth
                                              Surrey KT20 6RG
                                              Telephone: [phone]

Radstone Technology Plc
Water Lane
Towcester
Northamptonshire
NN12 6JN



Attn: Company Secretary



1 February 2005



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 interests of more than one entity, the enclosed disclosure
constitutes separate notifications of interest which have been combined solely
for purposes of clarify 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 on 01737 837092 or by
FAX on 01737 837450.



Yours faithfully



Amanda Phillips

Regulatory reporting Analyst






Amendment #8



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 for 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, including Fidelity Investment Services Ltd. (FISL) and Fidelity
Pension Management (FPM), investment managers for various non-US investment
companies and institutional clients.  (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 the 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 August 25, 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 #8



Security: Radstone Technology Pc


                       Shares Held    Management     Nominee/Registered Name
                                        Company

                           51,900        FIJ        BROWN BORTHERS HARRIMAN AND CO total
                           325,352        FIL        BROWN BROS HARRIMAN LTD LUX Total
                            45,159        FIL        STATE STR BK AND TR CO LNDN Total
                           342,100       FISL        JP MORGAN, BOURNMOUTH Total
                           175,000       FMRCO       BROWN BROTHERS HARRIMAN AND CO Total
                           114,300       FMTC        STATE STREET BANK AND TR CO Total
                            10,361        FPM        BANK OF NEW YORK BRUSSELS Total
                            38,356        FPM        CITIBANK LONDON Total
                            13,500        FPM        CLYDESDALE BANK PLC Total
                             5,653        FPM        HSBC BANK PLC Total
                            12,684        FPM        JP MORGAN, BOURNEMOUTH Total
                            13,341        FPM        STATE STR BK AND TR CO LNDN (S Total
                         1,147,706                   Grand Total Ordinary Shares


Current ownership                 3.79%
percentage:


Shares in issue:                 30,299,640


Change in holdings since  (281,626)
last filing:              ordinary shares






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