Mineros S.A. (TSX:MSA, MINEROS:CB) (“Mineros” or the “Company”) is pleased to announce that a positive prefeasibility study (“PFS”) has been completed on the gold-silver-zinc Porvenir Project (the “Porvenir Project” or “Porvenir”) on its Hemco Property (the “Hemco Property”), in northeastern Nicaragua, significantly increasing the mine life of the Hemco Property Mineral Reserves from five to thirteen years. In addition to the Porvenir Project, the Hemco Property includes the Panama and Pioneer Mines, and produces gold from material purchased from artisanal mining collectives with whom the Company has a strong collaborative relationship. A new NI 43-101 technical report on the Hemco Property will be filed within 45 days of this news release.