Srt Marine Sys. Regulatory News (SRT)

SOFTWARE RADIO TECHNOLOGY PLC

("SRT") (AIM: SRT)

AGM and Open Day

SRT is pleased to provide further details in respect of its AGM and Open Day which will be held on 2 July 2013. Both shareholders and non-shareholders are welcome to attend.

Visitors are welcome to arrive at SRT's offices any time from 9.30 a.m. on the day and take the opportunity to tour the facilities and meet the SRT team. At 10.45 a.m. there will be a short transfer for visitors to the nearby Centurion Hotel, where the AGM will be held from 11.00 a.m. followed by a presentation by SRT's Chief Executive Officer, Simon Tucker. A buffet lunch will then be provided.

The Company's address is Wireless House, Westfield Industrial Estate, Midsomer Norton, Bath BA3 4BS and parking is available on site. The address of the Centurion Hotel is Charlton Lane, Midsomer Norton, Bath BA3 4BD. Alternatively, for those intending to travel by train the nearest station is Bath Spa. SRT has arranged a free minibus which will wait at the rear of the station and leave promptly at 9.00 a.m. for the office, returning from the Centurion Hotel to the station, leaving at approximately 1.00 p.m. For guests without cars, there will be a minibus transfer between the office and the Centurion Hotel.

Those expecting to require the minibus transfer should email rosine.lemonnier@softwarerad.com by close of business on Thursday 20 June 2013.

About SRT:

Software Radio Technology plc develops advanced radio communications technologies which are used to create enabling modules and OEM products. SRT Marine Technology Limited focuses on VHF and AIS technologies for use in navigation and homeland security identification and tracking applications. SRT Marine Technology provides its solutions in a variety of customisable module and OEM product formats.