Drill Results Routine +

Andina Copper Intersects 186m at 0.50% Cu from 38m, within 502m at 0.40% Cu. Extends Shallow Mineralization to the NW

Andina Copper drilled wide, low-grade copper-molybdenum intercepts at the Cobrasco Porphyry project, expanding its northwest zone.

By The Northwire Desk — AI Analysis Jun 24, 2026 · 06:00 ANDC · 1.18 Andina Copper Corporation

Executive Summary

Andina Copper reported drill intercepts from hole CDH009 at its Cobrasco Project in Colombia.
The hole returned a 502m intercept averaging 0.40% Cu, 73ppm Mo, and 1.22g/t Ag from 38m downhole.
High-grade sub-intervals include 388m @ 0.44% Cu and 186m @ 0.50% Cu.
The drill-defined mineralized footprint at Cobrasco Central now spans approximately 1,200m x 550m and remains open in all directions.
Mineralization persists to 954m depth, though grades decrease with depth as the system transitions to a lower-grade potassic-altered domain.
Two additional step-out holes (CDH010, CDH011) have been completed from the same platform, with geological logging confirming mineralization extends into both; assays are pending.
A second diamond drill rig is being mobilized to expedite step-outs and test new porphyry targets.
Qualified Person Francisco Montes (MAIG #4160) verified the technical data per NI 43-101.

Material Impact

The June 24, 2026 release is a direct continuation of the systematic northwest expansion program announced in prior months.
Historical context shows consistent step-out success: CDH008 (May 13) returned 272m @ 0.50% Cu; CDH007 (Apr 21) returned 292m @ 0.48% Cu; CDH006 (Apr 14) returned 232m @ 0.68% Cu; CDH005 (Mar 24) returned 454m @ 0.43% Cu; CDH004 (Feb 17) returned 620m @ 0.45% Cu; and CDH003 (Feb 5) returned 352m @ 0.68% Cu.
The 502m @ 0.40% Cu intercept in CDH009 is fully in line with the established grade and thickness envelope. It does not represent a grade jump or a new high-grade zone, but rather validates the continuity and lateral growth of the shallow, near-surface Cu-Mo system.
The market has already priced in the incremental expansion of the Cobrasco Central footprint over the past four months. The news confirms the exploration strategy is working but adds no fundamentally new economic variables or resource estimation catalysts at this stage.
The announcement is expected and incremental, fitting the definition of routine positive news flow for an early-stage explorer.

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Company Overview

Andina Copper Corp. is a junior explorer focused on copper-gold and copper-molybdenum projects in the Andes region, specifically Colombia, Argentina, and Chile.
Flagship Project: Cobrasco (Colombia) - A large-scale, shallow Cu-Mo porphyry system. The central target has shown continuous mineralization from surface to over 900m depth, with a footprint expanding to ~1,200m x 550m. Mineralization is associated with felsic rhyolite and intermediate dacite-andesite porphyries, featuring sericite and potassic alteration.
Secondary Project: Piuquenes (Argentina) - A Cu-Au porphyry system. Recent drilling at Piuquenes North confirmed a deep-seated, multiphase porphyry system associated with a large low-resistivity MT anomaly (~800m x 700m).
Tertiary Project: Mantau (Chile) - A Cu-Au project with historic high-grade rock chip samples (up to 9.43% Cu) and ongoing surface geochemistry/geophysics to define drill targets.
The company is advancing a multi-asset exploration strategy to build a pipeline of Andean copper assets.

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