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Tintina Mines Limited Announces Positive Preliminary Economic Assessment with Pre-Tax NPV of US$ 560 million and 26-Year Mine Life
Sustainable 35,000 tpd Operation in Chile Integrates 100% Renewable Energy and Raw Seawater Proce...
About this update from Tintina Mines Limited
[{"type":"text","content":"Tintina Mines Limited Announces Positive Preliminary Economic Assessment with Pre-Tax NPV of US$ 560 million and 26-Year Mine LifeSustainable 35,000 tpd Operation in Chile Integrates 100% Renewable Energy and Raw Seawater Processing TORONTO, ON / ACCESS Newswire / February 2, 2026 / Tintina Mines Limited (\"Tintina\" or the \"Company\") (TSXV:TTS) is pleased to announce the results of a Preliminary Economic Assessment (\"PEA\") for its 74%-owned Domeyko Sulfuros Copper-Gold Project (\"Domeyko Sulfuros\" or the \"Project\") located in the Atacama Region, Chile. The PEA, prepared by SRK Consulting (Chile) SpA, demonstrates robust economics for a long-life, medium-scale porphyry development with significant district-scale expansion upside.PEA Financial and Operational Highlights (Base Case: US$ 4.30/lb. Cu, USD$ 2,500/oz Au)Net Present Value (NPV): Pre-tax NPV (8%) of US$ 560 million, After-tax NPV (8%) of US$ 328 million.Life of Mine (LOM):26-year operation producing 945 kt (2.1 billion lbs.) of recovered copper and 1.5 million ounces of gold. Base case assumes a mining rate of 164 ktpd and a processing rate of 35 ktpd with metallurgical recoveries of approximately 88.2% for copper and 64.6% for gold.Capital Requirements: Initial capital of US$ 1,283 million (including 35% contingency on plant and infrastructure), deferred/sustaining capital of US$ 905 million.ESG Integration: 100% renewable energy power strategy with BESS support, raw seawater processing via a dedicated 63 km pipeline ensuring zero consumption of continental water.President's StatementMr. Juan Enrique Rassmuss, Tintina's President and Chairman, comments:\"The PEA provides a strong technical and economic foundation to advance Domeyko Sulfuros to the next stage of development, and we believe the Project offers meaningful opportunities for further optimization and value enhancement as additional technical work is completed.Furthermore, the resource at Dos Amigos is merely the anchor for a broader district that includes the high-priority Tricolor and María Soledad targets, providing a clear path for resource growth and project re-rating.\"Detailed Mineral Resource Statement (Effective January 23, 2026)The resource model is based on 21,800 meters of drilling and follows CIM Best Practice Guidelines Note: 0.2% TCu cut-off for primary sulfides. Mineral resources th...