Issue of Equity & Total Voting Rights

SRT MARINE SYSTEMS PLC

(AIM: SRT)

("SRT" or the "Company")

Issue of Equity

and

Total Voting Rights

The Directors of SRT announce that they have issued and allotted 48,000 new ordinary shares of 0.1p each in the Company ("Ordinary Shares") following the conversion of employee share options, being 40,000 at an exercise price of 26p and 8,000 at an exercise price of 0.1p.

Application has been made for the 48,000 new Ordinary Shares to be admitted to trading on AIM which is expected to occur on 4 September 2023 ("Admission").

Following Admission there will be 192,307,939 Ordinary Shares in issue with each Ordinary Share carrying the right to one vote. This is also the total voting rights figure which may be used by shareholders as the denominator for the calculations by which they can determine whether they are required to notify their interests in, or a change to their interest in the Company, under the Financial Conduct Authority's Disclosure Guidance and Transparency Rules.

About SRT Marine Systems plc:

SRT develops, manufactures and supplies maritime tracking technology and turn-key system solutions to marine stakeholders across the globe with a particular expertise in AIS. The Company's products and solutions are used by individual vessel owners, port authorities, maritime infrastructure owners, coast guards and national security agencies to enhance their maritime domain awareness. Applications include the tracking of commercial and leisure vessels; sustainable fishery; anti-collision; search and rescue; waterway management, port and coast security; pollution management; and environmental management.