Altar - Río Cenicero

• Aldebaran Resources entered into a collaboration agreement with Nuton LLC, a Rio Tinto Venture, to evaluate the use of Nuton’s proprietary primary sulphide leaching technologies on the Altar copper-gold project. • Rio Tinto signed option agreement to acquire a 20% interest in the Altar project by making staged payments totaling US$250 Million. • Aldebaran Has Secured Funding To Advance Altar Through PEA & PFS • South32 invested C$10.3 million in Aldebaran in 2022 for a 9.9% equity position, followed by a further C$10.3 million investment in 2023 to increase its position to 14.82%. • One project: Multiple Porphyry Intrusions Spread Across 7 km of Strike Length. • >63,000 metres of drilling between the 2021 and 2024 mineral resource estimate. • Resources dominantly in measured & indicated limited infill drilling needed to transition inferred resources to measure and indicated • Altar United appears to connect Altar Central and East together into a very large mineralized system. • Preliminary Economic Study for the first half of 2025. • Preliminary Feasibility Study for the second half of 2026.

Altar Central y Altar East

• Measured and Indicated Resources: 22,01 billion pounds of copper (0.42%), 5.08 Moz gold (0.07 g/t) y 93.76 Moz silver (1.22 g/t)
• Inferred Resources: 9,830 billion pounds of copper (0.37%), 1.71 Moz gold (0.04 g/t) y 49.04 Moz silver (1.25 g/t).