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 2003 that Prudential plc (including
certain of its subsidiaries) has an interest in 3,082,219 ordinary shares of
12.5p each in the Company ("Ordinary Shares"), which represents 11.02 per cent.
of the issued Ordinary Share.

The above holding is registered as follows:

Registered holder                                Number of Ordinary Shares

CHASE NOMS LTD                                                      18,098
CHASE NOMS LT A/C 14922                                            419,278
CLYDESDALE BK NOMS LTD MGC                                         796,207
CLYDESDALE BK NOMS LTD MGIN                                        157,808
CLYDESDALE BK NOMS LTD MGT                                           3,575
CLYDESDALE BK NOMS LTD MGZ                                         154,660
DEXIA BANK INTL                                                    245,812
NORTRUST NOMS LTD                                                  452,384
PRUCLT HSBC GIS NOM (UK) PAC A/C                                   439,705
PRUCLT HSBC GIS NOM (UK) PPL A/C                                   355,692
PSIT2 US HIGH TECH FUND                                             39,607

12 January 2004



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