Holding(s) in Company

Radstone Technology PLC
19 October 2004


The Company has received the following notification:

                                                 Barclays PLC
                                                 Group Corporate Secretariat
                                                 54 Lombard Street
                                                 London EC3P 3AH


15 October 2004


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



Dear Sir


Companies Act 1985 ("The Act" - PART VI


I hereby inform you that as at 14 October 2004 Barclays PLC, through the legal
entities listed on the attached schedule, has a notifiable interest in the
capital of your Company of 4.01%.

Details of this interest, together with a breakdown between registered holders
(as required by Section 202(3) of the Act), are enclosed.

The issued capital of 30,290,640 is the latest figure available to us.  If this
is incorrect please let me know.

If you have any questions arising from this letter, please contact me on 020
7699 2305.


Yours faithfully

Geoff Smith
Manager, Secretariat Services
Enc.


                              Legal Entity Report

                         Radstone Tech.  Sedol: 0720483


As at 14 October 2004, Barclays PLC, through the legal entities listed below,
had a notifiable interest in 1, 216,100 ORD GBP0.125 representing 4.01% of the
issued share capital of 30,290,640 units.

Legal Entity                             Holding        Percentage Held

Barclays Life Assurance Co Ltd            32,294                  .1066

Barclays Capital Securities Ltd           50,000                  .1651

Barclays Global Investors Ltd          1,133,813                 3.7431

Group Holding                          1,216,110                 4.0148



                           Registered Holders Report

                         Radstone Tech.  Sedol: 0720483


As at 14 October 2004, Barclays PLC, through the registered holders listed
below, had a notifiable interest in 1,216,110 ORD GBP0.125 representing 4.01% of
the issued share capital of 30,290,640 units.

Registered Holder                   Account Designation            Holding

Barclays Capital Nominees Limi      16376                           50,000
Chase Nominees Ltd                  21359                           18,894
Chase Nominees Ltd                  16341                           50,569
JP Morgan (BGI Custody)             16341                            3,821
JP Morgan (BGI Custody)             16341                           17,825
JP Morgan (BGI Custody)             16344                            4,418
JP Morgan (BGI Custody)             16345                            6,230
JP Morgan (BGI Custody)             16400                          363,756
JP Morgan (BGI Custody)             16480                          537,212
JP Morgan (BGI Custody)             16482                          152,239
JP Morgan (BGI Custody)             18409                           11,146
Total                                                            1,216,110




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