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INDEPENDENT TECHNICAL VERIFICATION

Geological, drilling, assay, and ASTM C618 data maintained for diligence review.

NATURAL POZZOLAN FOR THE NEXT GENERATION OF CEMENT & CONCRETE

Environmental Minerals Inc. controls three mine sites, including a historic California operation originally associated with major Los Angeles aqueduct and Hoover Dam infrastructure projects. The company also manages a significant natural pozzolan system across the western United States. EMI’s ongoing programs encompass drilling, geochemical analysis, and independent ASTM C618 performance testing to establish Class N supplementary cementitious material (SCM) certification, with all supporting technical data maintained for due diligence review.

The material is clean, consistent, low-carbon, and requires only simple crushing and screening, enabling large-scale SCM supply to West Coast concrete markets facing structural fly-ash shortages. With direct highway access, minimal overburden, and independently verified volumetrics, EMI supports long-life production planning and infrastructure-grade diligence pathways.

INDEPENDENT SCALE, ECONOMICS & MULTI-COMMODITY VALUE

• Independent Qualified Person volumetric work completed in 2013 and reviewed in a 2025 Independent Engineer’s Report indicates between approximately 4.1 and 6.2 billion cubic yards of pozzolan volcanic units on EMI’s Dunmovin claims, corresponding to roughly 600–750 million tons of ASTM C618-compliant material categorized as measured, indicated, and inferred mineral resources as defined in the underlying technical reports.
• At a modeled production rate of 3 million tons per year and a reference pozzolan price of 110 dollars per ton, the Independent Engineer calculates illustrative revenues of about 330 million dollars per year with EBITDA margins in the 40–50 percent range.

PRECIOUS-METALS & MULTI-COMMODITY GROSS VALUE

The NSH–EMI ore-body snapshot aggregates assay-based “gross book value” estimates for multiple minerals in the complex ore (gold, silver, platinum, palladium, iridium, rhodium, and aluminum oxide/iron) across roughly 4 billion tons of ore. Based on an independent geologist and Qualified Person analysis, the fact sheet presents a “total estimate” of approximately $16.553 trillion in gross value for two project locations, excluding Class N pozzolan and representing conceptual mineral content only, not mineral reserves, and not incorporating recovery, cost, timing, permitting, mine planning, or discounting assumptions. When this snapshot is combined with Qualified Person and geotechnical work across EMI’s third mine site, conservative low-end projections using current market pricing indicate an aggregate gross value of $28 trillion.

TECHNICAL, REGULATORY & CAPITAL-MARKETS ALIGNMENT

• Scientific and technical disclosure posture. EMI is aligning technical disclosure and institutional materials with National Instrument 43-101 – Standards of Disclosure for Mineral Projects and related regimes. This website is informational and does not constitute a NI 43-101 Technical Report, nor does it publish mineral reserves or feasibility conclusions for third-party reliance.
• Technical and regulatory alignment. Material technical statements relied upon by third parties are intended to be supported by appropriately formatted technical reports prepared or adopted by Qualified Persons, including limitation language, data verification, and QA/QC disclosure suitable for institutional review.
• Trustee, custodian, and insurer standards. EMI’s asset structuring and financing strategy is designed to satisfy fiduciary diligence standards applicable to secured project finance and bond issuance, including verifiable legal rights, clear chain of title, transferability into SPV or sub-trust structures, and controlled data-room governance.
• Rating-agency disclosure expectations. Capital-markets materials are prepared with explicit consideration of rating-agency methodologies, with emphasis on debt-service coverage, downside protection, recovery characteristics, and resilience through commodity and credit cycles, subject to the completion of appropriate diligence and reporting.
• Strategic positioning. EMI is positioning itself as a legacy mine historically associated with major U.S. infrastructure, and as an infrastructure-style industrial minerals platform with existing access and upgrade-ready logistics suitable for trust, bond, and pension capital, subject to verification and definitive documentation.

CEME'T-POZZ  |  ENVIRONMENTAL MINERALS INC  |