Core Insights - Marimaca Copper Corp. has successfully extended the high-grade sediment-hosted manto system at the Pampa Medina deposit by 300 meters to the west through further drilling, indicating significant potential for resource expansion [1][3][11] - The ongoing drilling program consists of 10,000 meters with three rigs currently operational, focusing on both extensional and infill drilling to define the limits of the mineralized system [1][7][9] Exploration Results - Hole SMRD-16 reported significant intersections, including 70 meters of 1.0% Cu from 434 meters downhole, with high-grade zones exceeding 4.2% Cu [3][4][11] - The mineralized area is confirmed to extend over 1.2 km by 1.2 km, with an average true thickness of 50 to 100 meters, suggesting continuity of mineralization [5][11] - Hole SMRD-15 also demonstrated near-surface oxide mineralization, intersecting 42 meters of 0.51% Cu from 158 meters [3][11] Geological Context - Pampa Medina is characterized as a stratiform or manto-style copper deposit, primarily hosted in Jurassic-Triassic sedimentary units, with mineralization types including both oxides and sulphides [9][10][39] - The geological model has been updated to focus on lower sedimentary units, which are identified as productive horizons for future drilling [10][39] Infrastructure and Development Potential - The proximity of Pampa Medina to existing mines and infrastructure, including powerlines and water pipelines, is expected to facilitate development and reduce permitting risks [3][9] - The low-altitude, flat terrain of the "pampa" valley provides ample space for future facilities and infrastructure, enhancing the project's viability [3][9] Strategic Objectives - The company aims to establish a significant copper production operation, leveraging the advanced-stage asset at the Marimaca Oxide Deposit (MOD) and the exploration potential at Pampa Medina and Madrugador [8][9] - Future plans include advancing the Pampa Medina and Madrugador Oxide projects to increase copper cathode production and extend the mine life [9]

Company Overview - Pampa Metals Corporation is changing its name to Andina Copper Corporation to reflect its evolution as a leading copper explorer in South America [1][2] - The company holds two significant copper discoveries and an undrilled copper-gold target in a premier copper-producing region [1] Strategic Focus - The name change signifies the start of a new chapter aimed at creating substantial shareholder value through a focused strategy [2] - The company is actively advancing two high-potential copper discoveries in Argentina and Colombia, including the Cobrasco and Piuquenes projects [5][6] Trading Information - The common shares will commence trading under the new name Andina Copper Corporation on or about August 5, 2025, with a new trading symbol ANDC [2] - The CUSIP and ISIN numbers will change to 03421C108 and CA03421C1086 respectively [2] Shareholder Impact - No action is required from shareholders regarding the name change, and existing share and warrant certificates remain unaffected [3]