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: An acquisition or disposal of voting rights 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 attached schedule 5. Date of the transaction (and date on which the threshold is crossed or reached if different): 15 February 2008 6. Date on which issuer notified: 21 February 2008 7. Threshold(s) that is/are crossed or reached: 17% 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 16,144,232 16,144,232 16,769,232 16,769,232 17.143% 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 16,769,232 17.143% 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 in the Company's issued share capital of 97,817,107 as provided by Exshare Email contact: RDU@Gartmore.com 14. Contact name: RDU 15. Contact telephone number: 020 782 2324 Annex Notification of Major Interests in Shares: Fund No. of Per UK registered managing shares cent. owner Beneficial owner company held HSBC Global Gartmore Fund Managers Ltd A/c GFM 4,054,330 4.145% Custody Nominee UK Gartmore UK & Irish Smaller Ltd Companies SUBTOTAL 4,054,330 4.145% GIL 1,254,722 1.283% Goldman Sachs The Gartmore UK Small Cap Best Nominees Ltd Ideas Fund Ltd GIL 1,984,073 2.028% BNY GIL CLT A/c Gartmore Smaller Companies Trust Noms Ltd A/c LST PLC GIL 901,978 0.922% BNY GIL CLT A/c Gartmore Growth Opportunities PLC Noms Ltd A/c NWSC GIL 6,129,108 6.266% Vidacos Nominees The Alphagen Volantis Fund Limited Ltd A/c 2303 GIL 2,445,021 2.500% Nortrust Nominees Strathclyde Pension Fund Ltd SUBTOTAL 12,714,902 12.999% TOTAL 16,769,232 17.143% "GFM" Gartmore Fund Managers Limited "GIL" Gartmore Investment Limited Enquiries: Software Radio Technology 01761 409 500 Matthew Rogers Hanson Westhouse Limited 0113 246 2610 Tim Feather / Matthew Johnson
UK 100

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