Holding(s) in Company

Radstone Technology PLC
19 January 2004


                    Radstone Technology PLC ("the Company")

                               Holding in Company

The Company was notified on 16 January 2004 that FMR Corp. (the parent holding
company of Fidelity Management & 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), and Fidelity International Limited (FIL), (the parent
holding company for various direct and indirect subsidiaries, including Fidelity
Investment Services Ltd. (FISL)) have a non-beneficial interest in a total of
1,423,448 ordinary shares of 12.5p each ("Ordinary Shares"), representing
approximately 5.09% of the Company's issued Ordinary Share capital.

Edward C. Johnson III also has a notifiable interest by virtue of his
shareholding in FMR Corp. and Fidelity International Limited (FIL).

The above shares are held as follows:

Shares Held       Management Company            Nominee/Registered Name
                                               
     150,000             FMRCO                            HSBC
     100,000             FMTC                      Nortrust Nominees
     540,218             FIL                              HSBC
     505,500             FIL                  Chase Manhattan Bank London
      20,800             FIL                   State Street Bank & Trust
      15,846             FIL                    Bank of New York London
      26,200             FIL                         Bankers Trust
      64,884             FIL                            Citibank




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