Annual Information Update

Radstone Technology PLC
18 August 2006


RADSTONE TECHNOLOGY PLC

ANNUAL INFORMATION UPDATE

In accordance with the requirements of Prospectus Rule 5.2, the following summarises the
information and documents published or made available to the public in the twelve months up to and
including 17th August 2006.

1.  London Stock Exchange Announcements

The following UK Regulatory announcement have been made via a Regulatory Information Service.  A
copy of the full text can be obtained from the London Stock Exchange website,
www.londonstockexchange.com/marketnews under code RST.

Date                Description
17-Aug-06           Annual Report and Accounts
15-Aug-06           Analyst Site Visit
07-Aug-06           Holding(s) in Company
07-Aug-06           $6m Order From Astronautics
03-Aug-06           WatchKeeper Program
25-Jul-06           Holding(s) in Company
25-Jul-06           Board Appointment
19-Jul-06           Holding(s) in Company
06-Jul-06           Holding(s) in Company
03-Jul-06           Holding(s) in Company
29-Jun-06           Blocklisting Interim Review
28-Jun-06           Director/PDMR Shareholding
27-Jun-06           Final Results
22-Jun-06           Pensions
15-Jun-06           Holding(s) in Company
05-Jun-06           Director/PDMR Shareholding
30-May-06           Notice of Results
15-May-06           Holding(s) in Company
10-May-06           Directorate Change
09-May-06           Director/PDMR Shareholding
12-Apr-06           Holding(s) in Company-Amend
11-Apr-06           Holding(s) in Company
07-Apr-06           Director/PDMR Shareholding
07-Apr-06           Holding(s) in Company
23-Mar-06           Holding(s) in Company
21-Mar-06           Lockheed Martin Order
16-Mar-06           Holding(s) in Company
13-Mar-06           Contract extension
09-Mar-06           Holding(s) in Company
07-Mar-06           Director/PDMR Shareholding
06-Mar-06           Director/PDMR Shareholding
03-Mar-06           Acquisition
23-Feb-06           Holding(s) in Company
10-Feb-06           Holding(s) in Company
07-Feb-06           Director/PDMR Shareholding
07-Feb-06           Holding(s) in Company
07-Feb-06           Holding(s) in Company
06-Feb-06           Holding(s) in Company
06-Feb-06           Director/PDMR Shareholding
24-Jan-06           Holding(s) in Company
19-Jan-06           Holding(s) in Company
06-Jan-06           Holding(s) in Company
05-Jan-06           Director/PDMR Shareholding
04-Jan-06           Holding(s) in Company
23-Dec-05           Trading Update
21-Dec-05           Blocklisting Interim Review
19-Dec-05           Holding(s) in Company
13-Dec-05           Holding(s) in Company
13-Dec-05           Director Declaration
08-Dec-05           Director/PDMR Shareholding
08-Dec-05           Director/PDMR Shareholding
24-Nov-05           Holding(s) in Company
23-Nov-05           Holding(s) in Company
23-Nov-05           Interim Results
22-Nov-05           Holding(s) in Company
11-Nov-05           Re Contract & Notification
10-Nov-05           Holding(s) in Company
08-Nov-05           Holding(s) in Company
07-Nov-05           Director/PDMR Shareholding
24-Oct-05           Holding(s) in Company
18-Oct-05           Holding(s) in Company
10-Oct-05           Holding(s) in Company
07-Sep-05           AGM Statement
06-Sep-05           Director/PDMR Shareholding
17-Aug-05           Holding(s) in Company

2. Documents Filed at Companies House

The Company has also made the following filings with Companies House during the period.  Copies of
these documents can be obtained from Companies House at Crown Way, Maindy, Cardiff CF14 3UZ or
through Companies House Direct at www.direct.companieshouse.g

Date of Submission  Type  Description
08-Aug-06           288b  Terminating appointment as director or secretary
01-Jun-06           288c  Change of particulars for director or secretary
04-Apr-06           88(2)  Return of Allotment of Shares
20-Mar-06           88(2)  Return of Allotment of Shares
06-Mar-06           88(2)  Return of Allotment of Shares
03-Mar-06           88(2)  Return of Allotment of Shares
09-Jan-06           288b  Terminating appointment as director or secretary
13-Dec-05           288a  Appointment of director or secretary
09-Aug-05           363a  Annual Return
08-Aug-05           88(2)  Return of Allotment of Shares

3.  Documents sent to the UK Listing Authority

Copies of the following documents were also submitted, at the time, to the UK Listing Authority for
Inspection at their Document Viewing facility situated at:

Financial Services Authority
25 The North Colonnade
Canary Wharf
London  E14 5HS

Date of Submission  Description
29-Jun-06           Blocklisting Interim Review
21-Dec-05           Blocklisting Interim Review

4.  Documents sent to Shareholders

The following documents were sent to shareholders over the past twelve months and can be obtained
from the Company's website at www.radstone.com

Interim Report and Accounts (30 Sept 2005)
Annual Report and Accounts including proxy form and notice of annual general meeting (31 Mar 2006)

In accordance with Article 27.3 of the Prospectus Directive it is acknowledged that whilst the
information referred to above was up-to-date at the date of this announcement, such disclosures
may, at any time, be out of date due to changing circumstances.

A copy of this Annual Information Update and all documents referred to in it can be obtained from
the Company's registered office:

The Company Secretary
Radstone Technology PLC
Tove Valley Business Park
Towcester
Northants
NN12 6PF
United Kingdom

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