Directorate Change

SOFTWARE RADIO TECHNOLOGY PLC                         

                              DIRECTORATE CHANGE                               

The Directors of Software Radio Technology plc ("SRT" or the "Company") are
pleased to announce that Neil Peniket has joined the Board of the Company with
responsibility for SRT-Marine.

Neil is Managing Director of SRT Marine Technology Limited, a wholly owned
subsidiary of the Company, which is a leading provider of AIS tracking and
identification technology solutions for marine electronic companies.

Neil has a professional electronic engineering background and has worked in
various senior management positions within the SRT group since joining in 2005.

Simon Tucker, Group Managing Director, said "Neil has made an exceptional
contribution to SRT since joining. The rapid development of our Marine business
and the establishment of two separate subsidiaries, one for TETRA and one for
Marine, created a requirement for this position. Neil has been instrumental in
building the Marine business and I believe his dynamic and highly disciplined
approach will deliver the results we expect from Marine."

Further Information

Neil Anthony Peniket, aged 33, has confirmed that there is no further
information that should be disclosed in accordance with the requirements of
Schedule Two (g) of the AIM Rules.

Enquiries:                                                                     
                                                                               
Software Radio Technology plc                                      01761 409500
                                                                               
Simon Tucker                                       [e-mail]
                                                                               
Managing Director                                                              
                                                                               
Hanson Westhouse Limited                                          0113 246 2610
                                                                               
Tim Feather / Matthew Johnson                                                  
                                                                               
CityRoad Communications                                            07947 186694
                                                                               
Paul Quade                                                                     

About SRT:

Founded in 1987 and quoted on AIM in 2005, SRT focuses on the development of
turnkey technology product solutions for homeland security applications. SRT's
technologies are used by manufacturers to fast track and de-risk the
development of their own products. SRT has focused on the areas of professional
voice and data radio communications such as TETRA and maritime identification
and tracking systems, such as AIS: both of which are global standards. The
Company has a worldwide customer base with a business model based on customers
paying royalties on each product manufactured.