Technical Report

Blackrock Silver (BRC) filed a NI 43-101 technical report for its Tonopah West silver-gold project (effective date August 25, 2025). The report, available on SEDAR+ and the company website, reaffirms the previously disclosed mineral resource estimate (September 8, 2025) with no material differences. Prepared under CIM and NI 43-101 standards, the report demonstrates the project’s viability and provides a transparent assessment for investors. Blackrock Silver focuses on precious metal exploration and development in Nevada.

Heliostar Metals’ updated technical report (October 17, 2025) reveals improved economics and resource expansion at the La Colorada Mine. At $2,300/oz gold, the after-tax NPV5% is $66.2M, IRR is 24.4%, with a 3.4-year payback. Initial capital expenditure is reduced by 17% to $44.5M. Indicated resources increased by 62,000 ounces to 513,000 ounces. Permits for leach pad expansion have been secured. The mine has a 6.1-year life with average AISC of $1,626/oz.

E3 Lithium (TSXV: ETL) has filed its NI 43-101 technical report for the Garrington District lithium project, confirming previous resource estimates of 5.0 Mt LCE Measured and Indicated, and 0.3 Mt LCE Inferred. The report, reviewed by qualified experts, is accessible on the company’s website and SEDAR+. E3 Lithium also granted stock options to VP Rob Knowles, exercisable at $0.81. E3 Lithium holds significant lithium resources in Alberta and Saskatchewan, as detailed in their technical reports.