Holding(s) in Company

CSS Stellar PLC
18 January 2008


TR-1:               notification of major interests in shares


1. Identity of the issuer or the underlying issuer of existing                CSS Stellar plc
shares to which voting rights are attached:
2. Reason for the notification (please tick the appropriate box or boxes):
An acquisition or disposal of voting rights                                                        X
An acquisition or disposal of financial instruments which may result in the acquisition of
shares already issued to which voting rights are attached
An event changing the breakdown of voting rights
Other (please specify):
3. Full name of person(s) subject to the notification                          Mr John Webber
obligation:
4. Full name of shareholder(s) (if different from 3.):
5. Date of the transaction and date on which the threshold is                 17 January 2008
crossed or reached:
6. Date on which issuer notified:                                             17 January 2008
7. Threshold(s) that is/are crossed or reached:                                     10%





8. Notified details:


A: Voting rights attached to shares
Class/type of    Situation previous to the   Resulting situation after the triggering transaction
shares           Triggering transaction

 if possible     Number of    Number of      Number of    Number of voting rights     % of voting rights
using the ISIN   Shares       Voting Rights  shares
CODE
                                             Direct       Direct         Indirect     Direct      Indirect

                 2,018,168          6.96%    3,018,168    3,018,168                   10.42%


B: Financial Instruments
Resulting situation after the triggering transaction
Type of financial    Expiration date Exercise/ Conversion      Number of voting rights    % of voting
instrument                           Period/ Date              that may be acquired if    rights
                                                               the instrument is
                                                               exercised/ converted.



Total (A+B)
Number of voting rights                            % of voting rights
                    3,018,168                                              10.42%








9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively
held, if applicable:



Proxy Voting:
10. Name of the proxy holder:
11. Number of voting rights proxy holder will cease to hold:
12. Date on which proxy holder will cease to hold voting rights:


13. Additional information:
14. Contact name:                                                      Mark Ireland
15. Contact telephone number:                                         0207 078 1432




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