Director/PDMR Shareholding

SOFTWARE RADIO TECHNOLOGY PLC                         

                          DIRECTOR/PDMR SHAREHOLDING                           

Software Radio Technology plc ("SRT" or the "Company") has been notified that
Simon Rogers, a Non-Executive Director and founder shareholder of the Company,
disposed of 250,000 ordinary shares of 0.1p each in SRT at a price of 50 pence
per share on 8 November 2007 and 507,500 ordinary shares at a price of 50.13
pence per share today. Following these disposals, Mr. Rogers is interested in
13,483,900 ordinary shares, representing 13.8 per cent. of the issued share
capital.

Enquiries:

Software Radio Technology plc                                      01761 409500
Matthew Rogers                                   [e-mail]
                                                                               

Hanson Westhouse Limited                                          0113 246 2611
Tim Feather / Matthew Johnson                   [e-mail]