Tintina Mines Completes Drilling Campaign and Reports Key Geometallurgical Advances to Support 2025 PEA for Domeyko Sulfuros Project

TORONTO, Aug. 18, 2025 (GLOBE NEWSWIRE) -- Tintina Mines Limited ("Tintina" or the "Company") (TSXV: TTS) is pleased to announce the completion of its 2025 drilling campaign at the Domeyko Sulfuros Project, located in the Atacama Region, Chile. The primary objective of the campaign was to upgrade the Inferred Resources reported in January 2025 NI 43-101, and to support the development of a Preliminary Economic Assessment (PEA) in accordance with NI 43-101 standards, reinforcing the Company's commitment to the technical and strategic development of this asset.