Page 1

The information communicated in this announcement contains inside information for the purposes of Article 7 of the Market Abuse Regulation ( EU ) No. 596/2014 as it forms part of UK domestic law by virtue of the European Union ( Withdrawal ) Act 2018 and is disclosed in accordance with the Company's obligations . SRT MARINE SYSTEMS PLC ( " SRT " or the " Group " ) HALF YEARLY REPORT FOR THE SIX MONTHS ENDED 30 SEPTEMBER 2021 SRT , the AIM - quoted developer and supplier of maritime surveillance , analytics and management systems and products announces its unaudited interim results for the six months ended 30 September 2021 ( the " Period ” ) . Financial Highlights 24 % 6 - year on year H1 period revenue increase to £ 4.7m 36 % gross profit margin £ 2.0m gross cash balances as at end of H1 Operational Summary Significant increase in new system contract engagement . Major functionality and capability upgrade to GeoVS integrated surveillance platform . Positive reception from OEM's to initial NEXUS transceiver product launch . Commenting on today's results , Simon Tucker , CEO of SRT said : " Our transceivers business has performed very well and we expect this trend to continue through the second half . Following a period of Covid induced stagnation , system customers have substantially re - engaged during the first half , some with a renewed sense of urgency to progress with their maritime surveillance system plans . As we have previously mentioned , of particular note are four in Asia and Middle East worth an aggregate of £ 71m which we are confident will commence during the second half . ” Contacts : SRT Marine Systems plc Simon Tucker ( CEO ) Louise Coates ( Marketing Manager ) finnCap Ltd Jonny Franklin - Adams / Teddy Whiley ( Corporate Finance ) Tim Redfern / Tim Harper ( Corporate Broking ) www.srt-marine.com +44 ( 0 ) 1761 409500 simon.tucker@srt-marine.com louise.coates@srt-marine.com +44 ( 0 ) 20 7220 0500 About SRT : SRT Marine Systems PLC ( " SRT " ) is a global leader in maritime domain awareness products and systems . Our solutions integrate multiple technologies , advanced analytics , innovative digital display systems , logistics and command and control to provide enhanced maritime surveillance , security , safety and management for national authorities such as coast guards and fishery authorities . Applications include coastal and territorial water surveillance and security , fisheries monitoring , management and IUU detection , search and rescue , waterway management and aquatic environment monitoring as well as individual leisure and commercial boat owners .