Holding(s) in Company

SOFTWARE RADIO TECHNOLOGY PLC                         

                              HOLDING IN COMPANY                               

By a notice dated 1 March 2007, Software Radio Technology plc (the "Company")
was informed on 5 March 2007 that, following the purchase of 365,000 ordinary
shares at 48p on 28 February 2007, Gartmore Investments Limited ("GIL"),
Gartmore Fund Managers Limited ("GFM") and Gartmore Global Partners ("GGP")
(together "Gartmore") have increased their reportable interest in the share
capital of the Company.

The holdings of Gartmore are as follows:

Fund              No. of      Per UK registered owner   Beneficial owner       
managing     shares held    cent.                                              
company                                                                        
                                                                               
GFM            4,054,330    5.179 HSBC Global Custody   Gartmore Fund Managers 
                                  Nominee UK Ltd        Ltd A/c Gartmore UK &  
                                                        Irish Smaller Companies
                                                                               
GIL              350,000    0.447 Goldman Sachs         The Gartmore UK Small  
                                  Nominees Ltd          Cap Best Ideas Fund Ltd
                                                                               
GIL            1,659,073    2.119 BNY GIL CLT A/c Noms  Gartmore Smaller       
                                  Ltd A/c LST           Companies Trust PLC    
                                                                               
GIL              418,246    0.534 BNY GIL CLT A/c Noms  Gartmore Growth        
                                  Ltd A/c NWSC          Opportunities PLC      
                                                                               
GIL            3,170,934    4.050 Vidacos Nominees Ltd  The Alphagen Volantis  
                                  A/c 2303              Fund Limited           
                                                                               
GIL            2,395,021    3.059 Nortrust Nominees Ltd Strathclyde Pension    
                                                        Fund                   
                                                                               
              12,047,604   15.389