Marimaca Copper Corp. MARI

VANCOUVER, BC / ACCESS Newswire / October 1, 2026 / ("Marimaca Copper" or the "Company") (TSX:MARI)(ASX:MC2) is pleased to announce various development activities at the Marimaca Oxide Deposit ("MOD"), including the receipt of the grid connection authorization for the MOD and the key commercial terms for a Power Purchase Agreement ("PPA") framework. Marimaca has also received an overall "A" rating in its 2025 independent Digbee sustainability assessment, its third consecutive "A" rating.

VANCOUVER, BC / ACCESS Newswire / September 8, 2026 / ("Marimaca Copper" or the "Company") (TSX:MARI)(ASX:MC2) is pleased to report further assay results from its ongoing drilling program at the Pampa Medina deposit, located approximately 28km east of the Company's Marimaca Oxide Deposit ("MOD") in Chile's Antofagasta Region (Figure 1). Drilling within the central high-grade sulphide zone continues to deliver consistent, high-grade results within the defined 3km x 1.