Srt Marine Sys. Regulatory News (SRT)

31 Jan 2008 16:04

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:

An acquisition or disposal of voting rights

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

Polar Capital LLP

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

N/A

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

30 January 2008

6. Date on which issuer notified:

30 January 2008

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

4% 8. Notified details:

A: Voting rights attached to shares

Class/type Situation of previous to Resulting Situation after the triggering of shares if the Triggering transaction

transaction possible using ISIN Number of Number of voting Number of Number of % of voting code shares rights shares voting rights rights Direct Indirect Direct Indirect GB00B0M8KM36 6,652,466 3,771,811 3.856% 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

3,771,811 3.856%

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

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:N/A 14. Contact name:

Polar Capital LLP - Operations Department

15. Contact telephone number:

+44 (0)20 7227 2700

Software Radio Technology plc 01761 409500

Simon Tucker Managing Director Hanson Westhouse Limited 0113 246 2610

Tim Feather / Matthew Johnson