Marimaca Copper Announces Option to Acquire 150ktpa Sulfuric Acid Plant

VANCOUVER, British Columbia, Aug. 21, 2025 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca” or the “Company”) (TSX: MARI) (ASX: MC2) is pleased to announce it has recently executed a binding asset purchase option agreement (the “Agreement”) to acquire a used sulfuric acid plant in Chile from CEMIN Holding Minero (“CEMIN”). Sulfuric acid is one of the key input costs for the Marimaca Oxide Deposit (“MOD”), and the ability to produce a significant amount of its own supply will reduce exposure to a volatile acid market.

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