Holding(s) in Company

Radstone Technology PLC
07 June 2004

The Company has received the following notification:




M&G
Investment Management Limited
Laurence Pountney Hill
London EC4R 0HH

4 June 2004

The Company Secretary
Radstone Technology plc
Water Lane
Towcester
Northamptonshire
NN12 6JN

Fax: [phone]





Dear Sir/Madam

Companies Act 1985 (as amended):
Disclosure of Interests in Shares

In accordance with Part VI of the Companies Act 1985 (as amended) (the "Act"),
we write to inform you that Prudential plc and certain of its subsidiary
companies have a notifiable interest in the issued share capital of your company
as detailed in the attached schedule.

For the purposes of S210 of the Act, the address for those companies identified
in the attached schedule is Laurence Pountney Hill London EC4R 0HH

Yours faithfully


Richard Harding
For and on behalf of Prudential plc

Direct Line: 020 7548 3183
Direct Fax: [phone]




           Notifiable Position Report for RADSTONE TECH. ORD GBP0.125

                               As at 03 June 2004

Percentage holdings are calculated using an issued share capital of 27,972,860
ORD GBP0.125 shares





                Registered Holder                Holding             %
Prudentual plc                                 3,570,826           12.76        Total Notifiable Interest
                CHASE NOMS LTD                    18,098
                CLYDESDALE BK NOMS LTD MGC       680,174
                CLYDESDALE BK NOMS LTD MGIN      153,163
                CLYDESDALE BK NOMS LTD MGT         3,575
                CLYDESDALE BK NOMS LTD MGZ       154,660
                DEXIA BANK INTL                  245,812
                NORTRUST NOMS LTD                423,353
                NORTRUST NOMS LTD A/C/ PUQ01     397,987
                PRUCLT HSBC GIS NOM(UK) PAC AC 1,109,705
                PRUCLT HSBC GIS NOM(UK) PPLC AC  355,692
                PSIT2 US HIGH TECH FUND           28,607


           Notifiable Position Report for RADSTONE TECH. ORD GBP0.125

                               As at 03 June 2004

Percentage holdings are calculated using an issued share capital of 27,972,860
ORD GBP0.125 shares



                Registered Holder                   Holding                %
        M&G Group Limited                         3,542,219           12.66
                CHASE NOMS LTD                       18,098
                CLYDESDALE BK NOMS LTD MGC          680,174
                CLYDESDALE BK NOMS LTD MGIN         153,163
                CLYDESDALE BK NOMS LTD MGT            3,575
                CLYDESDALE BK NOMS LTD MGZ          154,660
                DEXIA BANK INTL                     245,812
                NORTRUST NOMS LTD                   423,353
                NORTRUST NOMS LTD A/C/ PUQ01        397,987
                PRUCLT HSBC GIS NOM(UK) PAC AC    1,109,705
                PRUCLT HSBC GIS NOM(UK) PPLC AC     355,692



Notifiable Position Report for RADSTONE TECH. ORD GBP0.125
As at 03 June 2004


Percentage holdings are calculated using an issued share capital of 27,972,860
ORD GBP0.125 shares

                Registered Holder                   Holding                %
M&G Investment Management Ltd                     3,538,644           12.65
                CHASE NOMS LTD                       18,098
                CLYDESDALE BK NOMS LTD MGC          680,174
                CLYDESDALE BK NOMS LTD MGIN         153,163
                CLYDESDALE BK NOMS LTD MGZ          154,660
                DEXIA BANK INTL                     245,812
                NORTRUST NOMS LTD                   423,353 
                NORTRUST NOMS LTD A/C/ PUQ01        397,987
                PRUCLT HSBC GIS NOM(UK) PAC AC    1,109,705
                PRUCLT HSBC GIS NOM(UK) PPLC AC     355,692





Notifiable Position Report for RADSTONE TECH. ORD GBP0.125
As at 03 June 2004


Percentage holdings are calculated using an issued share capital of 27,972,860
ORD GBP0.125 shares


                Registered Holder                      Holding                %
m&G Limited                                          3,542,219           12.66
                CHASE NOMS LTD                          18,098
                CLYDESDALE BK NOMS LTD MGC             680,174
                CLYDESDALE BK NOMS LTD MGIN            153,163
                CLYDESDALE BK NOMS LTD MGT               3,575
                CLYDESDALE BK NOMS LTD MGZ             154,660
                DEXIA BANK INTL                        245,812
                NORTRUST NOMS LTD                      423,353
                NORTRUST NOMS LTD A/C/ PUQ01           397,987
                PRUCLT HSBC GIS NOM(UK) PAC AC       1,109,705
                PRUCLT HSBC GIS NOM(UK) PPLC AC        355,692






The Prudential Assurance Company Limited             1,711,209           6.11
                DEXIA BANK INTL                        245,812
                PRUCLT HSBC GIS NOM(UK) PAC AC       1,109,705
                PRUCLT HSBC GIS NOM(UK) PPL AC         355,692













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