Issue of Equity and Directors' Dealings

Software Radio Technology plc ("SRT" or the "Company")             

                    Issue of Equity and Directors' Dealings                    

The Directors of SRT announce that on 12 July 2007 the Company received notices
of exercise from two directors in relation to options over an aggregate of
1,040,000 ordinary shares at an exercise price of 1p per share. The shares
resulting from the exercise of options have today been issued and allotted.

The options were exercised by the following directors:

                                        Options exercised         Percentage of
                                                          enlarged issued share
                                                                        capital
                                                                               
Simon Tucker                                      940,000                  1.06
                                                                               
Matthew Rogers                                    100,000                  0.11

The shares resulting from the exercise of options represent the entire holding
of each director in the Company.

Following the issue of the new shares, there are 88,850,892 ordinary shares of
0.1p of SRT in issue with each share carrying the right to one vote. There are
11,352,850 warrants to subscribe for ordinary shares in issue.

Application will be made for the new shares to be admitted to AIM. It is
expected that admission will occur on 18 July 2007.

Enquiries:

Software Radio Technology plc                                      01761 409500
                                                                               
Matthew Rogers                                                                 
                                                                               
Hanson Westhouse Limited                                          0113 246 2610
                                                                               
Tim Feather / Matthew Johnson