• Cease and Desist Order lifted, allowing exploration to resume
• Initiation of Pre-Feasibility Study
• Continued review of corporate overheads for capital management
• $14.6M cash position at end of quarter

Blackstone Minerals Limited (ASX: BSX) has reported on its activities and the Appendix 5B for the quarter ending 31 March 2026. Subsequent to the quarter end, the Cease-and-Desist Order issued by the Municipal Mayor of Mankayan has been lifted, allowing exploration activities to resume at the Mankayan Copper-Gold Project. The company has initiated a Pre-Feasibility Study for the Mankayan Project, which hosts a substantial JORC 2012 Mineral Resource. Drilling is expected to re-commence soon as part of the PFS. Metallurgical test work has been ongoing, with results expected by mid-2026. In the Ta Khoa Nickel project in Vietnam, the application for the Ban Phuc Nickel Mine license extension has been endorsed by the Son La Provincial Government and is currently under review. Blackstone continues to focus on reducing holding costs in Vietnam. The company announced the appointment of mining executive Mr. Mark Williams to its Board as a Non-Executive Director. At the end of the quarter, Blackstone had a cash position of $14.6M and listed investments of $786K.