Holding(s) in Company

Radstone Technology PLC
10 September 2003


                    Radstone Technology PLC ("the Company")


                               Holding in Company



The Company was notified today that Prudential plc (including certain of its
subsidiaries) has an interest in 3,225,497 ordinary shares of 12.5p each in the
Company ("Ordinary Shares"), which represents 11.66 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                                                 74,971
CHASE NOMS LTD                                                          18,098
CHASE NOMS LT A/C 14922                                                444,624
CLYDESDALE BK NOMS LTD MGC                                             830,769
CLYDESDALE BK NOMS LTD MGIN                                            163,338
CLYDESDALE BK NOMS LTD MGT                                               3,575
CLYDESDALE BK NOMS LTD MGZ                                             174,660
DEXIA BANK INTL                                                        195,812
NORTRUST NOMS LTD                                                      486,946
PRUCLT HSBC GIS NOM (UK) PAC A/C                                       352,705
PRUCLT HSBC GIS NOM (UK) PPL A/C                                       492,692
PSIT2 US HIGH TECH FUND                                                 17,307


10 September 2003






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