Tertiary Minerals (TYM) Company presentation summary

Key investment highlights

• Over 100 years of technical and corporate experience in junior exploration.

• Portfolio spans Zambia (5 projects), Nevada (4 projects), and Sweden (1 project).

• Project generator model leverages joint ventures to fund and advance projects, reducing risk.

• JV partners have invested approximately $5M since Q2 2024.

• Focus on green energy and precious metals, with exposure to copper, zinc, gold, and silver.

Corporate strategy and project focus

• Flagship Mushima North project in Zambia completed Phase 2 drilling at Target A1 in August 2025.

• Joint ventures with KoBold Metals (Konkola West) and First Quantum Minerals (Mukai) fund and manage exploration.

• Nevada projects have no minimum spend or time pressure, advanced via JVs or internally.

• Sweden's Storuman project is on hold pending review and permitting.

• Multiple near-term catalysts expected across the portfolio.

Zambia project overview

• Five projects target copper, cobalt, gold, and silver in key Zambian regions.

• Two major JVs: First Quantum Minerals (Mukai) and KoBold Metals (Konkola West).

• Strategic technical collaboration with First Quantum Minerals.

• Projects are drill-ready or in early drilling stages.