Directorate Change

SOFTWARE RADIO TECHNOLOGY PLC                         

                               Board Appointment                               

The Directors of Software Radio Technology plc ("SRT" or the "Company") are
pleased to announce that Dr. George Kyprios has joined the Board of the Company
with effect from 17 December 2007.

In November 2007, George joined SRT PMR Technology Limited as Managing Director
with the objective of developing the business and maximising the various
opportunities that the growing digital PMR market offers.

Simon Tucker, Group Managing Director of SRT, said: "Since joining SRT PMR
Technology, George has proven his ability to drive the business forward. I am
delighted that George has now joined the SRT Board and am sure his experience
will bring significant benefits."

Dr. George Kyprios, Managing Director of SRT PMR Technology, said: "SRT PMR
Technology has many opportunities and after three months in the role, I am
enjoying the challenge of turning these into reality. Joining the SRT Board
will allow me to bring focused input on this division to the Board and
contribute to the overall success of SRT in the future."

Enquiries:                                                                     
                                                                               
Software Radio Technology plc                                      01761 409500
                                                                               
Simon Tucker                                                                   
                                                                               
Managing Director                                                              
                                                                               
Hanson Westhouse Limited                                          020 7601 6100
                                                                               
Tim Feather                                                                    
                                                                               
CityRoad Communications                                            07947 186694  
                                                                               
Paul Quade                                                                     

Appendix

George Kyprios, aged 51, is currently a director of Arator Limited and within
the last five years was also a director of Agendo Limited.

Mr. Kyprios has confirmed that there is no further disclosure required under
the AIM Rules for Companies.

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.