Tintina Mines Limited Announces Positive Preliminary Economic Assessment with Pre-Tax NPV of US$ 560 million and 26-Year Mine Life

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.