Announcement PDF ASX Announcement 15 August 2025 Change of Share Registry In accordance with Listing Rule 3.15.1, Catalina Resources Ltd (ASX: CTN) (‘Catalina’ or the ‘Company’) would like to advise that as of Monday, 18 August 2025, the provider of shareholder registry services for the Company will change from Boardroom Pty Limited to Automic Pty Ltd (“Automic”). Our new Share Registry contact details are as follows: Automic Level 5, 126 Phillip Street Sydney NSW 2000 Postal Address: GPO Box 5193 Sydney NSW 2001 Phone: 1300 288 664 (within Australia) / +61 2 9698 5414 (outside Australia) Fax: (02) 8583 3040 Email: hello@automicgroup.com.au Website: www.automicgroup.com.au Shareholders can easily and efficiently manage their holdings via Automic’s secure and highly accessible online investor portal. The portal provides, among other things, an online interface to update and manage shareholder details, view balances and transaction history. Shareholder registration online Shareholders that are not already a user of Automic’s investor portal may visit https://investor.automic.com.au/ and sign up to register their details using the two simple steps provided in the setup process. Shareholders with any queries in relation to their Catalina Resource Limited holdings are advised to contact Automic at hello@automicgroup.com.au or on 1300 288 664 (within Australia) or +61 2 9698 5414 (outside Australia). ABOUT CATALINA RESOURCES LIMITED Catalina Resources Limited is an Australian diversified mineral exploration and mine development company whose vision is to create shareholder value through the successful exploration of prospective gold, base metal, lithium and iron ore projects and the development of these projects into production. The release of this document to the market has been authorised by the Board of Catalina Resources Ltd. Contacts Investors / Shareholders Johnathon Busing Company Secretary T: +61 (0)8 6165 8858 Catalina Resources Limited ACN 130 618 683 ASX: CTN T: 61 8 6165 8858 E: info@catalinaresources.com.au A : Level 2, 7 Havelock St West Perth WA 6005 Page 1 of 1 catalinaresources.com.au