Announcement PDF Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 1 Rule 3.19A.2 Appendix 3Y Change of Director’s Interest Notice Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public. Introduced 30/09/01 Amended 01/01/11 Name of entity Red Mountain Mining Ltd ABN 40 119 568 106 We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act. Name of Director Lincoln Liu Date of last notice 3 February 2026 Part 1 - Change of director’s relevant interests in securities In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part. Direct or indirect interest Direct and Indirect Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest. Bay Financial Pty Ltd (Director) Date of change 28 August 2026 No. of securities held prior to change Direct • 13,500,000 Fully Paid Ordinary Shares • 4,200,000 RMXO quoted options (expiry 10 May 2027, exercise price $0.02) Indirect • 20,769,231 Fully Paid Ordinary Shares • Class A: 16,670,000 Performance Options • Class B: 16,670,000 Performance Options • Class C: 16,660,000 Performance Options Class Unquoted Options ($0.05, expiring on 31 Dec 2028) Number acquired 35,000,000 Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. Appendix 3Y Page 2 01/01/2011 Number disposed Nil. Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation $0.05 strike price per option No. of securities held after change Direct • 13,500,000 Fully Paid Ordinary Shares • 4,200,000 RMXO quoted options (expiry 10 May 2027, exercise price $0.02) • Indirect • 20,769,231 Fully Paid Ordinary Shares • Class A: 16,670,000 Performance Options • Class B: 16,670,000 Performance Options • Class C: 16,660,000 Performance Options • 35,000,000 Unquoted Options ($0.05, expiring on 31 Dec 2028) Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy- back Incentive performance options approved at GM on 17 August 2026. Part 2 – Change of director’s interests in contracts Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part. Detail of contract N/A Nature of interest N/A Name of registered holder (if issued securities) N/A Date of change N/A No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed N/A Interest acquired N/A Interest disposed N/A Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation N/A Interest after change N/A Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 3 Part 3 – +Closed period Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required? No If so, was prior written clearance provided to allow the trade to proceed during this period? N/A If prior written clearance was provided, on what date was this provided? N/A Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 1 Rule 3.19A.2 Appendix 3Y Change of Director’s Interest Notice Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public. Introduced 30/09/01 Amended 01/01/11 Name of entity Red Mountain Mining Ltd ABN 40 119 568 106 We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act. Name of Director Mauro Piccini Date of last notice 3 February 2026 Part 1 - Change of director’s relevant interests in securities In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part. Direct or indirect interest Direct and Indirect Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest. Trecolori Trust (beneficiary) Date of change 28 August 2026 No. of securities held prior to change Direct • 1,500,000 RMXO quoted options (expiry 10 May 2027, exercise price $0.02) Indirect • Class A: 2,000,000 Performance Options • Class B: 2,000,000 Performance Options • Class C: 2,000,000 Performance Options Class Unquoted Options ($0.05, expiring on 31 Dec 2028) Number acquired 5,000,000 Number disposed - Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation $0.05 strike price per option Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. Appendix 3Y Page 2 01/01/2011 No. of securities held after change Direct • 1,500,000 RMXO quoted options (expiry 10 May 2027, exercise price $0.02) Indirect • Class A: 2,000,000 Performance Options • Class B: 2,000,000 Performance Options • Class C: 2,000,000 Performance Options • 5,000,000 Unquoted Options ($0.05, expiring on 31 Dec 2028) Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy- back Incentive performance options approved at GM on 17 August 2026. Part 2 – Change of director’s interests in contracts Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part. Detail of contract N/A Nature of interest N/A Name of registered holder (if issued securities) N/A Date of change N/A No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed N/A Interest acquired N/A Interest disposed N/A Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation N/A Interest after change N/A Part 3 – +Closed period Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required? No If so, was prior written clearance provided to allow the trade to proceed during this period? N/A Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 3 If prior written clearance was provided, on what date was this provided? N/A