Completion

Radstone Technology PLC
04 September 2003

 NOT FOR RELEASE, DISTRIBUTION OR PUBLICATION, IN PART OR IN WHOLE, ON OR INTO
     THE UNITED STATES, CANADA, AUSTRALIA, JAPAN OR THE REPUBLIC OF IRELAND


For Immediate Release                                          4 September 2003

                            Radstone Technology PLC

     Completion of acquisition of Interactive Circuits and Systems Limited

On 8 August 2003 Radstone Technology PLC ("Radstone"), a supplier of rugged,
high-performance embedded computer products, subsystems and support software for
defence and aerospace applications, announced the conditional acquisition of
Interactive Circuits and Systems Limited ("ICS").  All conditions to the
Acquisition have now been met and Completion has now taken place.

As part of the consideration for the Acquisition, Radstone has issued 266,223
New Radstone Shares to certain of the Vendors.  Application will now be made to
the UK Listing Authority for these shares to be admitted to the Official List of
the UK Listing Authority and to the London Stock Exchange for admission to
trading on its market for listed securities.  It is expected that admission will
become effective and that dealings in these New Radstone Shares will commence
trading at 8.00a.m. on 8 September 2003.  In addition, 3,683,551 New Radstone
Shares issued in connection with the Placing and Open Offer were this morning
admitted to the Official List by the UK Listing Authority and to trading by the
London Stock Exchange.

Terms used in this announcement have the same meanings as in the Circular sent
to Shareholders on 8 August 2003.

Contacts:

Radstone Technology PLC                                       Tel: [phone]
Charles Paterson, Group Managing Director
Jeff Perrin, Finance Director

Close Brothers Corporate Finance Limited                      Tel: [phone]
Andrew Cunningham

Evolution Beeson Gregory Limited                              Tel: [phone]
Tim Worlledge

Buchanan Communications Limited                               Tel: [phone]
Tim Thompson
Nicola Cronk


Close Brothers Corporate Finance Limited and Evolution Beeson Gregory Limited
are each acting exclusively for Radstone Technology PLC and for no one else in
connection with the Acquisition and the Placing and Open Offer and will not be
responsible to anyone other than Radstone Technology PLC for providing the
protections afforded to clients of Close Brothers Corporate Finance Limited or
Evolution Beeson Gregory Limited (as the case may be) or for providing advice in
relation to the Acquisition, the Placing and Open Offer or on any other matter
referred to in this announcement.

The Directors and the Proposed Director of Radstone Technology PLC are the
persons responsible for the information contained in this announcement.  To the
best of the knowledge and belief of the Directors and the Proposed Director (who
have taken all reasonable care to ensure that such is the case) the information
contained in this announcement is in accordance with the facts and does not omit
anything likely to affect the import of such information.

This announcement does not constitute or form part of any offer or invitation to
sell or issue or the solicitation of an offer to purchase or subscribe New
Radstone Shares in any jurisdiction in which such offer or solicitation is
unlawful.  This announcement is not for release, distribution or publication in
or into the United States, Canada, Australia, Japan or the Republic of Ireland.
The New Radstone Shares have not been, nor will they be, registered under the
Securities Act or under the securities legislation of any state of the United
States and no clearances in relation to the Placing and Open Offer have been,
nor will they be, obtained from the securities commission of any province or
territory of Canada nor has or will any document in relation to the New Radstone
Shares be lodged for registration with the Registrar of Companies in the
Republic of Ireland, nor has any prospectus been lodged with or registered by
the Australian Securities and Investments Commission.  Accordingly, the New
Radstone Shares to be issued pursuant to the Placing and Open Offer may not be
offered, sold, renounced, delivered or transferred, directly or indirectly, in
or into the United States, Canada, Australia, Japan or the Republic of Ireland,
except pursuant to exemptions from the Securities Act or other applicable
requirements of such jurisdictions.


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