Holding(s) in Company

Radstone Technology PLC
25 June 2003


                    Radstone Technology PLC ("the Company")


                               Holding in Company


The Company was notified on 24 June 2003 that Prudential plc (including certain
of its subsidiaries) has an interest in 2,658,435 ordinary shares of 12.5p each
in the Company ("Ordinary Shares"), which represents 11.15 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                                                          12,000
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                                              39,667
DEXIA BANK INTL                                                         45,333
NORTRUST NOMS LTD                                                      422,020
PRUCLT HSBC GIS NOM (UK) PAC A/C                                       290,000
PRUCLT HSBC GIS NOM (UK) PPL A/C                                       544,000


25 June 2003



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