Appendix 3Y Change of Director’s Interest Notice Appendix 3Y Change of Director’s Interest Notice Rule 3.19A.2 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 VRX SILICA LTD ABN 59 142 014 873 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 PAUL BOYATZIS Date of last notice 4 September 2025 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. Lesuer Pty Ltd <PMB Super Fund A/C> (Beneficiary) Date of change 26 November 2025 No. of securities held prior to change Indirect Lesuer Pty Ltd <PMB Super Fund A/C> - 6,200,000 ordinary shares Class Options (31/12/2028; 15 cents) Number acquired 3,000,000 Number disposed Nil Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation Nil + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 1 Appendix 3Y Change of Director’s Interest Notice No. of securities held after change Indirect Lesuer Pty Ltd <PMB Super Fund A/C> - 6,200,000 ordinary shares - 3,000,000 Options (31/12/2028; 15 cents) Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy- back Allotment of options as approved by shareholders at AGM on 20 November 2025 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 - Nature of interest - Name of registered holder (if issued securities) - Date of change - No. and class of securities to which interest related prior to change - Interest acquired - Interest disposed - Value/Consideration - Interest after change - 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 + See chapter 19 for defined terms. Appendix 3Y Page 2 01/01/2011 Appendix 3Y Change of Director’s Interest Notice Appendix 3Y Change of Director’s Interest Notice Rule 3.19A.2 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 VRX SILICA LTD ABN 59 142 014 873 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 BRUCE MALUISH Date of last notice 4 September 2025 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 (1) and Indirect (2) Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest. Mash Super Pty Ltd <Maluish English Super Fund A/C> (Beneficiary) Date of change 26 November 2025 No. of securities held prior to change Direct 7,060,535 ordinary shares Indirect Mash Super Pty Ltd <Maluish English Super Fund A/C> 7,759,707 ordinary shares Class Options (31/12/2028; 15 cents) Number acquired 5,000,000 Number disposed Nil Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation Nil + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 1 Appendix 3Y Change of Director’s Interest Notice No. of securities held after change Direct 7,060,535 ordinary shares Indirect Mash Super Pty Ltd <Maluish English Super Fund A/C> 7,759,707 ordinary shares 5,000,000 options (31/12/2028; 15 cents) Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back Allotment of options as approved by shareholders at AGM on 20 November 2025 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 Name of registered holder (if issued securities) Date of change 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 Interest acquired Interest disposed Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation Interest after change + See chapter 19 for defined terms. Appendix 3Y Page 2 01/01/2011 Appendix 3Y Change of Director’s Interest Notice 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 + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 3 Appendix 3Y Change of Director’s Interest Notice 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 VRX SILICA LTD ABN 59 142 014 873 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 PAWLOWITSCH Date of last notice 3 April 2025 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. Vault (WA) Pty Ltd <Vault A/C> (Beneficiary) Haven Super Pty Ltd <Haven Super A/C> (Director & Shareholder) Mosch Pty Ltd (Director & Shareholder) Date of change 26 November 2025 No. of securities held prior to change Indirect Haven Super Pty Ltd <Haven Super A/C> - 5,383,437 ordinary shares Vault (WA) Pty Ltd <Vault A/C> - 7,505,952 ordinary shares Mosch Pty Ltd - 13,333,332 ordinary shares - Class Options (31/12/2028; 15 cents) Number acquired - 2,000,000 Vault (WA) Pty Ltd <Vault A/C> + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 1 Appendix 3Y Change of Director’s Interest Notice Number disposed Nil Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation Nil No. of securities held after change Indirect Haven Super Pty Ltd <Haven Super A/C> - 5,383,437 ordinary shares Vault (WA) Pty Ltd <Vault A/C> - 7,505,952 ordinary shares - 2,000,000 Options (31/12/2028; 15 cents) Mosch Pty Ltd - 13,333,332 ordinary shares Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back Allotment of options as approved by shareholders at AGM on 20 November 2025 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 Name of registered holder (if issued securities) Date of change 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 Interest acquired Interest disposed Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation Interest after change + See chapter 19 for defined terms. Appendix 3Y Page 2 01/01/2011 Appendix 3Y Change of Director’s Interest Notice 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 + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 3 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 VRX SILICA LTD ABN 59 142 014 873 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 David Welch Date of last notice 4 September 2025 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 Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest. Date of change 26 November 2025 No. of securities held prior to change 250,000 Ordinary Shares Class Options (31/12/2028; 15 cents) Number acquired 2,000,000 Number disposed Nil Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation Nil 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 250,000 Ordinary Shares 2,000,000 Options (31/12/2028; 15 cents) Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back Allotment of options as approved by shareholders at AGM on 20 November 2025 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