Holding(s) in Company

SOFTWARE RADIO TECHNOLOGY PLC                         

                              HOLDING IN COMPANY                               

By a notice dated 17 March 2006, Software Radio Technology plc (the "Company")
was informed on 21 March 2006 that, following the purchases of 509,054 ordinary
shares at 47p on 15 March 2006 and of 430,000 ordinary shares at 51p on 16
March 2006, 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            3,005,888    4.354 HSBC Global Custody   Gartmore Fund Managers 
                                  Nominee UK Ltd        Ltd A/c Gartmore UK &  
                                                        Irish Smaller Companies
                                                                               
GIL            1,166,258    1.689 BNY GIL CLT A/c Noms  Gartmore Smaller       
                                  Ltd A/c LST           Companies Trust PLC    
                                                                               
GIL              498,292    0.722 BNY GIL CLT A/c Noms  Gartmore Growth        
                                  Ltd A/c NWSC          Opportunities PLC      
                                                                               
GIL            2,395,021    3.469 Nortrust Nominees Ltd Strathclyde Pension    
                                                        Fund                   
                                                                               
GIL            1,407,104    2.038 Vidacos Nominees Ltd  The Alphagen Volantis  
                                  A/c 1945              Fund Limited           
                                                                               
GIL              397,972    0.576 BNY GIL CLT A/c Noms  Gartmore Absolute      
                                  Ltd A/c GAGIG         Growth and Income Trust
                                                        PLC (Growth)           
                                                                               
               8,870,535   12.848