Live Shareholder Webcast

SOFTWARE RADIO TECHNOLOGY PLC                         

                           ("SRT" or the "Company")                            

                           Live Shareholder Webcast                            

On Wednesday 1 February 2012 at 9.00 a.m. (G.M.T.), AIM-quoted marine
electronics developer, SRT will host a live shareholder webcast open to
existing and prospective private and institutional investors.

Simon Tucker, SRT's CEO, will provide responses to questions through a live
video webcast which can be accessed by any interested party worldwide by
visiting the website listed below.

The format for the live webcast will be as follows:

  * Investors are invited to email questions prior to the event to 
    [e-mail]. These questions will help form the presentation
    given by Simon Tucker on the webcast. Questions must be submitted before
    8.45 a.m. on Wednesday 1 February.
   
  * Investors will need to go to www.softwarerad.com/investorwebcast and login
    using a nickname and their email address. Please note that investor names
    and identities will not be broadcast and will be kept strictly
    confidential.
   
  * During the webcast, investors will be able to send instant messages from
    the viewing website to Simon for him to answer and react to live.
   
                                    -ends-                                     

Enquiries:                                                                   
                                                                             
Software Radio Technology plc                              [phone]
                                                                             
Simon Tucker                                     [e-mail]
                                                                             
Chief Executive Officer                                                      
                                                                             
Westhouse Securities Limited                             [phone]
                                                                             
Tim Feather                                                                  
                                                                             
Matthew Johnson                                                              
                                                                             

About SRT:

Software Radio Technology plc, develops advanced radio communications
technologies which are used to create enabling modules and OEM products. SRT
Marine Technology Limited focuses on VHF and AIS technologies for use in
navigation and homeland security identification and tracking applications. SRT
Marine Technology provides its solutions in a variety of module and OEM product
formats.