Appendix 3Y Change of Director’s Interest Notice Appendix 3Y Rule 3.19A.2 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 2 September 2021 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) - Date of change 8 December 2021 No. of securities held prior to change - Class Options Number acquired 3,000,000 options (31/08/2024; 30 cents) Number disposed - Value/Consideration Nil Note: Provide details of the circumstances giving rise to the relevant interest. Note: If consideration is non-cash, provide details and estimated valuation + 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 3,000,000 options (31/08/2024; 30 cents) Nature of change Options issued pursuant to EIP. Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back 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 Part 3 – +Closed period Were the interests in the securities or contracts detailed No above traded during a +closed period where prior written clearance was required? If so, was prior written clearance provided to allow the trade N/A to proceed during this period? If prior written clearance was provided, on what date was this N/A provided? + See chapter 19 for defined terms. Appendix 3Y Page 2 01/01/2011