SRT Marine Systems: Issue of Equity and Total Voting Rights

SOFTWARE RADIO TECHNOLOGY PLC Issue of Equity Total Voting Rights The Directors of Software Radio Technology plc ("SRT" or the "Company") announce that they have issued and allotted 30,000 new ordinary shares of 0.1p each in the Company as a result of the receipt of a notice of conversion of employee options in the Company at 2.5p per share. Application will be made for the new shares to be admitted to AIM which is expected to occur on 7 October 2010. For the purposes of the Disclosure and Transparency Rules of the Financial Services Authority and following the issue of the new shares, the Company's total issued share capital at the date of this notice consists of 98,239,107 ordinary shares of 0.1p each and one voting right per share. There are no shares held in treasury. The above figure may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company, under the Disclosure and Transparency Rules. Enquiries: Software Radio Technology plc +44 (0)1761 409500 Simon Tucker simon.tucker@softwarerad.com Chief Executive Officer Westhouse Securities Limited +44 (0) 20 7601 6100 Tim Feather Matthew Johnson