Result of EGM

SOFTWARE RADIO TECHNOLOGY PLC                         

                           ("SRT" or the "Company")                            

                                 RESULT OF EGM                                 

The Directors of SRT, the AIM-quoted provider of TETRA and AIS solutions to the
communications and homeland security markets, are pleased to announce that at
the extraordinary general meeting of the Company held today (the "EGM") the
resolutions were duly passed.

The EGM was convened in connection with the placing of 9,042,552 new ordinary
shares at 47p (the "Placing Shares") to raise £4,250,000, which was announced
on 25 May 2006.

Having also received confirmation from the HM Revenue & Customs that the
Placing Shares will be a qualifying holding for the taxation advantages offered
under HM Revenue & Customs' Venture Capital Trust scheme, the Placing Shares
have today been issued and allotted subject only to their admission to trading
on AIM, which is expected to take place on 20 June 2006.

For further information please contact:

Software Radio Technology plc                                    01761 409500
                                                                             
Simon Tucker                                     [e-mail]
                                                                             
Shamus Kelly                                     [e-mail]
                                                                             
Westhouse Securities LLP                                        0161 838 9140
                                                                             
Tim Feather                               [e-mail]
                                                                             
Tavistock Communications                                        020 7920 3166
                                                                             
Christian Taylor-Wilkinson                  [e-mail]