Notice of Annual Results, Investor Webcast and AGM

SRT Marine Systems Plc (“SRT”), a global provider of intelligent maritime surveillance systems for sovereigns and maritime navigation safety systems, is pleased to confirm the following dates for the publication of its annual results, a live shareholder webcast and its Annual General Meeting (“AGM”).

The Company will publish its results for the financial year ended 30 June 2026 on Monday, 9 November 2026.

The Company will hold an Investor Open Day (9:00 a.m. to 11:00 a.m.) and Annual General Meeting (11:00 a.m.) on Wednesday 16 December 2026 at its offices in Midsomer Norton, Somerset.

Simon Tucker, Chief Executive Officer of SRT, will host a live shareholder webcast at 8:00 a.m. GMT on Tuesday, 10 November 2026 to discuss the Company's annual results, operational progress and outlook.

The webcast will be a live, unedited public event, open to all shareholders and interested parties. An unedited recording will be made available in the Investor section of the Company's website later the same day.

Questions for Simon may be submitted in advance by emailing investor@srt-marine.com, or during the webcast using the viewing portal.

Anyone may view the webcast live by following these instructions:

Visit https://srt-marine.com/about/investors/ a few minutes before 8:00 a.m. GMT on Tuesday, 10 November 2026 and scroll to the "JOIN US FOR OUR NEXT INVESTOR WEBCAST" section.

Click "Register Today" and complete the brief registration form to gain immediate access to the live webcast.

During the webcast, questions may be submitted using the "ask a question" text box on the viewing page. Questions will be displayed directly to Simon for him to answer live.

The identity of webcast participants and those submitting questions will remain confidential and will not be publicly disclosed or broadcast.