Holding(s) in Company

SOFTWARE RADIO TECHNOLOGY PLC ("SRT" or the "Company") HOLDING IN COMPANY On 22 June 2006, SRT was notified by HSBC Security Services that Polar Capital Partners ("Polar") had increased its interest in the share capital of the Company to 3,610,638 ordinary shares of 0.1p each, representing 4.62 per cent. of the share capital as enlarged by the placing which was completed on 20 June 2006. The shares which are beneficially owned by Polar are registered as follows: Registered holder No. of shares Account Chase Nominees Limited 2,460,638 POLTEC01IT Goldman Sachs Intl Nominees 450,000 POLTEC04OS Nortrust Nominees Limited 700,000 POLTEC05OS
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