Notice of Webcast, Final Results and AGM

SOFTWARE RADIO TECHNOLOGY PLC

(AIM: SRT)

("SRT" or the "Company")

Notice of Webcast, Final Results and AGM

Webcast

Simon Tucker (SRT CEO) will be hosting a live webcast at 7.30 a.m. on Tuesday 10 June 2014. The webcast will provide an operational update on SRT's business activities and recent events.

The webcast can be viewed live by any interested person by following the instructions below.

The format of the live webcast will be as follows:

1. Persons wanting to view the webcast live should go to www.softwarerad.com/media-centre/ and scroll down the page to the link "to view the SRT web cast please click here". This should be done immediately prior to the 7.30 a.m. start time and a simple registration process should be completed.

2. Upon completing the registration process, they will be able to watch the webcast live and may if they choose submit questions using the text box on the viewing page for Simon Tucker to answer during the event.

Questions may be submitted prior to the event by emailing them to investor@softwarerad.com. The identity of persons viewing the webcast and or submitting questions will be kept confidential and will not be broadcast.

Shortly after the event an unedited recording of the webcast will be available in the Investors section of the SRT website.

Final results

The results for the year ended 31 March 2014 will be published on Tuesday 17 June 2014.

AGM

The Annual General Meeting will take place at 11.00 a.m. on Tuesday 15 July 2014 at the Centurion Hotel in Midsomer Norton, Somerset. The AGM will be preceded by an open session at SRT's offices, also in Midsomer Norton, during which shareholders are welcome to meet the management team and tour the facilities. The formal notice of the AGM, together with further administrative details of the day, will be provided in due course.

About SRT:

The SRT plc group develops and provides AIS based maritime domain awareness technologies, technologies, products and systems. Our solutions are used around the world in a variety of applications ranging from vessel tracking to port and infrastructure security. For more information visit www.softwarerad.com

About AIS:

AIS (Automatic Identification System) is an international maritime domain awareness technology invented and globally proliferated by the IMO (International Maritime Organisation). AIS is a complex radio based data communications technology which allows accurate and reliable multi-point real time communication between moving and fixed entities in the marine domain. AIS is a globally adopted technology and is being deployed across a wide range of applications.