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 HORIZON GOLD LIMITED ABN 27 614 175 923 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 Peter VENN Date of last notice 2 April 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 Indirect Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest. Suzan Wagner is the spouse of Peter Venn Date of change 14 October 2026 No. of securities held prior to change Indirect 585,691 Shares – held by Suzan Wagner the spouse of Peter Venn. Class Unlisted Options – exercisable at 33.0 cents and expiring 23/11/2026 Number acquired 200,000 Number disposed Nil Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation. $132,000.00 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 Indirect (Held by Suzan Wagner the spouse of Peter Venn) 585,691 Shares 200,000 Unlisted Options – exercisable at 33.0 cents and expiring 23/11/2026 Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back Off-market trade 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 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 HORIZON GOLD LIMITED ABN 27 614 175 923 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 James Noel Sullivan Date of last notice 2 April 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. James Noel Sullivan and Gail Sullivan (Sullivans Garage S/F A/C) – 50% Beneficiary Sullivans Garage Pty Ltd – 50% Beneficiary Date of change 14 October 2026 No. of securities held prior to change Direct 92,711 Shares Indirect 1,796,548 Shares – held by James Noel Sullivan and Gail Sullivan (Sullivans Garage S/F A/C). 641,105 Shares – held by Sullivans Garage Pty Ltd. Class Unlisted Options – exercisable at 33.0 cents and expiring 23/11/2026 Number acquired 250,000 Number disposed Nil Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation. $165,000.00 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 92,711 Shares Indirect 1,796,548 Shares – held by James Noel Sullivan and Gail Sullivan (Sullivans Garage S/F A/C). 641,105 Shares – held by Sullivans Garage Pty Ltd 250,000 Unlisted Options exercisable at 33.0 cents and expiring 23/11/2026 - held by Sullivans Garage Pty Ltd Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back Off-market trade 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 If prior written clearance was provided, on what date was this provided? N/A