Director/PDMR Shareholding

CSS Stellar PLC
19 July 2007

                        CSS Stellar PLC (the 'Company')



                            Director's shareholding





The Company was informed on 19 July 2007 that Duncan Soukup, a director, sold
8,492,997 Ordinary Shares of 50 pence each in the Company ('Ordinary Shares') at
a price of 44p per share on 18 July 2007. Duncan Soukup is now beneficially
interested in 50,000 Ordinary Shares, representing 0.17% of the Company's issued
share capital and voting rights.



Enquiries:



Mark Ireland                      Tel:  [phone]

Company Secretary




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