SATURN METALS LIMITED DISCLOSUREBeneficial Ownership (13D/G / major holdings)

Becoming a substantial holder

Form 603 Corporations Act 2001 Section 671B Notice of initial substantial holder To Company Name/Scheme Saturn Metals Limited ACN/ARSN ACN 619 488 498 1. Details of substantial holder (1) Name Dauntless Investment Group, LLC ACN/ARSN (if applicable) N/A The holder became a substantial holder on 1 September 2026 2. Details of voting power The total number of votes attached to all the voting shares in the company or voting interests in the scheme that the substantial holder or an associate (2) had a relevant interest (3) in on the date the substantial holder became a substantial holder are as follows: Class of securities (4) Number of securities Person’s votes (5) Voting power (6) Fully paid ordinary shares (ORD) 35,606,428 35,606,428 5.36% 3. Details of relevant interests The nature of the relevant interest the substantial holder or an associate had in the following voting securities on the date the substantial holder became a substantial holder are as follows: Holder of relevant interest Nature of relevant interest (7) Class and number of securities Dauntless Investment Group, LLC Relevant interest under section 608(1)(c) of the Corporations Act 2001 (Cth), being a relevant interest arising from having the power to dispose of, or control the exercise of the power to dispose of, the securities, as provided for under its investment mandates. 35,606,428 ORD Jesse LaFlamme Relevant interest under section 608(3)(b) of the Corporations Act 2001 (Cth), as a result of having control over, and being the major shareholder, of Dauntless Investment Group, LLC. 35,606,428 ORD Daniel Herr Relevant interest under section 608(1)(c) and 608(2) of the Corporations Act 2001 (Cth), as a result of having the power to dispose of, or control the exercise of the power to dispose of, the securities. 35,606,428 ORD Matthew Okkerse Relevant interest under section 608(1)(c) and 608(2) of the Corporations Act 2001 (Cth), as a result of having the power to dispose of, or control the exercise of the power to dispose of, the securities. 35,606,428 ORD Docusign Envelope ID: 6FE0EAE4-F88E-8169-81DB-B84482E24A00 For personal use only 4. Details of present registered holders The persons registered as holders of the securities referred to in paragraph 3 above are as follows: Holder of relevant interest Regist