603 GUIDE page 1/1 13 March 2000 Form 603 Corporations Act 2001 Section 671B Notice of initial substantial holder To Company Name/Scheme Corazon Mining Limited (Corazon) ACN/ARSN ACN 112 898 825 1. Details of substantial holder (1) Name Karora (Higginsville) Pty Ltd ACN 108 547 217 (Karora Higginsville), Westgold Resources Limited (ACN 009 260 306) (Westgold) and each of the entities referred to in Annexure A (together, the Westgold Group Entities) ACN/ARSN (if applicable) See disclosures above. The holder became a substantial holder on 8 July 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 in Corazon (Shares) 47,600,000 47,600,000 19.9% 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 Karora Higginsville Relevant interest under section 608(1)(a) of the Corporations Act 2001 (Cth) (Corporations Act) as the registered holder of the Shares issued pursuant to the Subscription Agreement between Karora Higginsville and Corazon dated 18 May 2026 (Subscription Agreement) as annexed to this document in Annexure B. 47,600,000 Shares Westgold Relevant interest under section 608(3)(b) of the Corporations Act as it controls Karora Higginsville. 47,600,000 Shares Westgold Group Entities (excluding Karora Higginsville and Westgold) Relevant interest under section 608(3)(b) of the Corporations Act as they are under the common control of Westgold. 47,600,000 Shares 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 Registered holder of Securities Person entitled to be registered as holder (8) Class and number of securities Westgold Group Entities Karora Higginsville Karora Higginsville 47,600,000 Shares 5. Consideration The consideration paid for each relevant interest referred to in paragraph 3 above, and acquired in the four months prior to the day that the substantial holder became a substantial holder is as follows: Holder of relevant interest Date of acquisition Consideration (9) Class and number of securities (b) any qualification of the power of a person to exercise, control the exercise of, or influence the exercise of, the voting powers or disposal of the securities to which the relevant interest relates (indicating clearly the particular securities to which the qualification applies). See the definition of "relevant agreement" in section 9 of the Corporations Act 2001. (8) If the substantial holder is unable to determine the identity of the person (eg. if the relevant interest arises because of an option) write “unknown.’” (9) Details of the consideration must include any and all benefits, moneys and other, that any person from whom a relevant interest was acquired has, or may, become entitled to receive in relation to that acquisition. Details must be included even if the benefit is conditional on the happening or not of a contingency. Details must be included of any benefit paid on behalf of the substantial holder or its associate in relation to the acquisitions, even if they are not paid directly to the person from whom the relevant interest was acquired. Annexure B This is Annexure B of 21 pages referred to in Form 603 (Notice of initial substantial holder). To company name: Corazon Mining Limited ACN: 112 898 825 _____________________________________ Name: Susan Park Title: Company Secretary Date: 9 July 2026