Holding(s) in Company

Radstone Technology PLC
15 July 2003


                    Radstone Technology PLC ("the Company")


                               Holding in Company



The Company was notified on 14 July 2003 that Prudential plc (including certain
of its subsidiaries) has an interest in 2,873,435 ordinary shares of 12.5p each
in the Company ("Ordinary Shares"), which represents 12.05 per cent. of the
issued Ordinary Share. The above holding is registered as follows:

Registered holder                                                      Number of
                                                                 Ordinary Shares

CHASE NOMS LT A/C 14914                                                 64,975
CHASE NOMS LTD                                                          13,449
CHASE NOMS LT A/C 14922                                                385,341
CLYDESDALE BK NOMS LTD MGC                                             720,000
CLYDESDALE BK NOMS LTD MGIN                                            132,000
CLYDESDALE BK NOMS LTD MGT                                               3,099
CLYDESDALE BK NOMS LTD MGZ                                             137,392
DEXIA BANK INTL                                                        155,724
NORTRUST NOMS LTD                                                      422,020
PRUCLT HSBC GIS NOM (UK) PAC A/C                                       295,435
PRUCLT HSBC GIS NOM (UK) PPL A/C                                       544,000


15 July, 2003


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