22 December 2023

SRT MARINE SYSTEMS PLC

("SRT" or the "Company")

Posting of Circular, Notice of General Meeting and Total Voting Rights

SRT, the AIM-quoted developer and supplier of maritime surveillance systems and navigation safety products, is pleased to confirm that, further to the announcement of 21 December 2023, the shareholder circular (the "Circular") providing further details of the Subscription, the Placing and the Retail Offer has been posted to Shareholders today.

The Circular contains the notice of the General Meeting to be held at the offices of CMS Cameron McKenna Nabarro Olswang LLP, Cannon Place, 78 Cannon Street, London, EC4N 6AF on 15 January 2024 at 10:00 a.m. (the "General Meeting").

A copy of the Circular will shortly be available from the Company's website (www.srt-marine.com/investors/).

Unless otherwise defined, all capitalised terms used but not defined in this announcement shall have the meaning given to them in the Circular.

Total Voting Rights

Following First Admission on 28 December 2023, the Company's issued ordinary share capital will comprise 211,859,939 Ordinary Shares, none of which are held in treasury. The above figure of 211,859,939 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 voting rights of the Company under the FCA's Disclosure Guidance and Transparency Rules.