Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES

 

1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:

Software Radio Technology plc


2. Reason for the notification (please state Yes/No): (    )

An acquisition or disposal of voting rights: (YES)

An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached: (NO)

An event changing the breakdown of voting rights: (NO)


3. Full name of person(s) subject to the notification obligation:

Gartmore Investment Limited
             

4. Full name of shareholder(s) (if different from 3):

See annex


5. Date of the transaction (and date on which the threshold is crossed or
reached if different):

3 April 2007


6. Date on which issuer notified:

11 April 2007
       

7. Threshold(s) that is/are crossed or reached:

16%


8. Notified details:
 

A: Voting rights attached to shares
 

Class/type   Situation of previous   Resulting Situation after the triggering  
of shares if   to the Triggering                   transaction                 
possible          transaction                                                  
using ISIN                                                                     
code         Number of  Number of  Number of  Number of voting    % of voting  
               shares     voting     shares        rights           rights     
                          rights                                               
                                              Direct  Indirect  Direct Indirect
                                                                               
GB00B0M8KM36 12,047,604 12,047,604 13,766,951        13,766,951         16.115 
                                                                               

B: Financial Instruments
 
Resulting Situation after the triggering transaction                           
                                                                               
  Type of   Expiration  Exercise /    Number of Voting rights that may   % of  
 Financial     Date     Conversion    be acquired if the instrument is  voting 
Instrument             Period /Date        exercised / converted        rights 
                                                                               
                                                                               
                                                                               
 

Total (A + B)

Number of Voting Rights % of voting rights
                                          
      13,766,951              16.115      
 

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable

N/A


Proxy Voting:

10. Name of the proxy holder:

N/A


11. Number of voting rights proxy holder will cease to hold:

N/A
 

12. Date on which proxy holder will cease to hold voting rights:

N/A


13. Additional information:

All shares are held indirectly

All figures are based on the Company's issued share capital of 85,429,939


14. Contact name:

Alison Averono


15. Contact telephone number:

020 7782 2324


Annex Notification of Major Interests in Shares:


   Fund       No. of     Per   UK registered     Beneficial owner                   
 managing     shares    cent.  owner                                                
  company      held                                                                 
                                                                                    
    GFM     4,054,330  4.746%  HSBC Global       Gartmore Fund Managers Ltd A/c     
                               Custody Nominee   Gartmore UK & Irish Smaller        
                               UK Ltd            Companies                          
                                                                                    
                                                                                    
                                                                                    
 SUBTOTAL   4,054,330  4.746%                                                       
                                                                                    
                                                                                    
                                                                                    
    GIL     1,397,082  1.635%  Goldman Sachs     The Gartmore UK Small Cap Best     
                               Nominees Ltd      Ideas Fund Ltd                     
                                                                                    
    GIL     1,659,073  1.942%  BNY GIL CLT A/c   Gartmore Smaller Companies Trust   
                               Noms Ltd A/c LST  PLC                                
                                                                                    
    GIL      418,246   0.490%  BNY GIL CLT A/c   Gartmore Growth Opportunities PLC  
                               Noms Ltd A/c NWSC                                    
                                                                                    
    GIL     3,843,199  4.499%  Vidacos Nominees  The Alphagen Volantis Fund Limited 
                               Ltd A/c 2303                                         
                                                                                    
    GIL     2,395,021  2.803%  Nortrust Nominees Strathclyde Pension Fund           
                               Ltd                                                  
                                                                                    
                                                                                    
                                                                                    
 SUBTOTAL   9,712,621  11.369%                                                      
                                                                                    
                                                                                    
                                                                                    
   TOTAL    13,766,951 16.115%                                                      
                                                                                    
                                                                                    
                                                                                    

 

"GFM" Gartmore Fund Managers Limited

"GIL" Gartmore Investment Limited

 

Software Radio Technology                     01761 409 500                   
Matthew Rogers                                                            
                                       

Hanson Westhouse Limited                      0113 246 2610
Tim Feather / Matthew Johnson