Issue of Equity

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

                                Issue of Equity                                

The Directors of SRT announce that they have issued and allotted 90,000 new
ordinary shares of 0.1p each in the Company as a result of the receipt of a
notice of conversion of warrants in the Company at 40p per share.

Following the issue of the new shares, there are 89,000,892 ordinary shares of
0.1p of SRT in issue with each share carrying the right to one vote. There are
11,202,850 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 24 July 2007.

Enquiries:

Software Radio Technology plc                                      01761 409500
Simon Tucker / Matthew Rogers                                                  

                                                                               
Hanson Westhouse Limited                                          0113 246 2610
Tim Feather / Matthew Johnson