Holding(s) in Company

Radstone Technology PLC
12 April 2006



The company has received the following announcements:


                                                                 Legal & General
                                                           Investment Management
                                                              Bucklersbury House
                                                         3 Queen Victoria Street
                                                                 London EC4N 8NH

11 April 2006


Radstone Technology Plc
Tove Valley Business Park
Towcester
Northhamptonshire
NN12 6JN


Attn: Company Secretary


Disclosure of Interest in shares Under Section 198                         


Please find below the details of the notifiable interest of Legal & General
Group plc and/or its subsidiaries in the relevant share capital of your company:


Material Interest



HSBC Global Custody Nominee (UK) Ltd A/C 914945                 14,278
HSBC Global Custody Nominee (UK) Ltd A/C 775245                118,769
HSBC Global Custody Nominee (UK) Ltd A/C 357206                748,272
HSBC Global Custody Nominee (UK) Ltd A/C 747381                 63,755
HSBC Global Custody Nominee (UK) Ltd A/C 866203                 92,795
HSBC Global Custody Nominee (UK) Ltd A/C 969995                 70,293
HSBC Global Custody Nominee (UK) Ltd A/C 360509                 41,048

                                                              ________     _____

                                                             1,149,210     3.78%
                                                              ________     _____


We currently have a notifiable interest in 1,149,210 Ordinary 12.5p shares which
we understand represents 4.81% of that class of your share capital calculated on
an issued share capital of 30,336,640 Ordinary 12.5p shares.


Should you wish to discuss any aspect of this notification, please do not
hesitate to contact Helen Lewis on 020 7528 6742.


Yours faithfully


Helen Lewis                                                     Helen Tasker
Authorised Signatory                                      Authorised Signatory






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