Holding(s) in Company

SOFTWARE RADIO TECHNOLOGY PLC                         

                              HOLDING IN COMPANY                               

Software Radio Technology plc was notified on 16 November 2006 that Anthony
Deal had sold 500,000 ordinary shares of 0.1p each in the Company. Following
this sale, Mr. Deal is interested in 2,741,440 ordinary shares in the Company,
representing 3.51 per cent. of the issued share capital.

Enquiries:

Software Radio Technology plc                                      01761 409500
                                                                               
Matthew Rogers                                   [e-mail]
                                                                               
Hanson Westhouse LLP                                              0113 246 2611
                                                                               
Tim Feather                                     [e-mail]