Aris Mining Announces Breakthrough Milestone at Marmato Underground Development

Aris Mining announced a construction breakthrough at its Marmato gold mine: an underground cross-cut now links the new surface decline to existing workings, enabling continuous access to the site where a 5,000 t/d CIP plant is under construction. The milestone advances the Marmato expansion on schedule for first gold in Q4 2026 and supports the company’s plan — together with Segovia — to ramp production to roughly 500,000 ounces of gold per year after expansion. The update reinforces Aris’s growth trajectory (combined 2025 production ~257,000 oz) and should be viewed positively for the company’s operational outlook and valuation prospects; implications for the broader gold market are supportive but modest, tied mainly to Aris’s future incremental supply and investor sentiment toward precious-metals miners.