Holding(s) in Company

Radstone Technology PLC
12 January 2004


                    Radstone Technology PLC ("the Company")

                               Holding in Company

The Company was notified on 9 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
1,139,448 ordinary shares of 12.5p each ("Ordinary Shares"), representing
approximately 4.07% 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
    75,000                FMTC                  Nortrust Nominees
    540,218               FIL                         HSBC
    262,500               FIL              Chase Manhattan Bank London
     4,800                FIL               State Street Bank & Trust
    15,846                FIL                Bank of New York London
    26,200                FIL                     Bankers Trust
    64,884                FIL                       Citibank

12 January 2004

                      This information is provided by RNS
            The company news service from the London Stock Exchange