Announcement PDF Change of registry address notification Canberra, 24 May 2024 In accordance with ASX Listing Rule 3.15.1 and with effect from 23 May 2024, the Sydney office of Computershare Investor Services Pty Limited has moved to: 6 Hope St Ermington NSW 2115 Telephone numbers and postal address remain unchanged. Authorised for release by the Company Secretary of Electro Optic Systems Holdings Limited. Further information: Marguerite Wilson enquiry@eos-aus.com ABOUT ELECTRO OPTIC SYSTEMS (ASX: EOS) EOS operates in two divisions: Defence Systems and Space Systems Defence Systems specialises in technology for weapon systems optimisation and integration, as well as ISR (Intelligence, Surveillance and Reconnaissance) and C4 systems for land warfare. Its key products are next-generation remote weapon systems, vehicle turrets, high-energy laser weapons (directed energy), as well as fully integrated and modular counter-UAS and C4 systems. Space Systems includes all EOS space and communications businesses, and operates as two entities – Space Technologies and EM Solutions. Space Technologies specialises in applying EOSdeveloped optical sensors and effectors to detect, track and characterise objects in space. It includes capabilities in the domain of space control and space warfare. EM Solutions delivers world-leading RF and optical space communications technology. Its core product range centres around the development and production of high-end, broadband radio transceivers for satellite communications as well as satellite communications-on-the-move terminals for defence and government customers.