Investment Highlights

Significant and growing Mineral Resource containing 1.41 billion tonnes of Cu-Au Inferred mineralization grading 0.67% CuEq*

Successful Phase IV drill program returned the highest grades to date and sets up for a catalyst rich Phase V program which has begun, leading to a Mineral Resource update

Optionality with hole ATXD26 (68m @ >2% CuEq)**, a conceptual high-grade underground starter mine closer to surface, with potential to fast-track development of an UG mine

Metallurgical work supports up to 95% Cu / 97% Au recoveries at a coarser grind, and a clean marketable concentrate with negligible deleterious elements

Scalability with mineralization +1.2 km along strike, +1 km wide, and open in all directions

100% in Chile, district still largely untested with additional porphyries likely in hiding

Cornerstone investor Agnico Eagle recently invested C$55 million

* For further information, please see press release from September 12, 2023 and also available under the ATEX Resources SEDAR+ profile. Copper Equivalent (CuEq) is calculated assuming US$ 3.15/lb Cu, US$ 1,800/oz Au, US$ 23/oz Ag, and US$ 20/lb Mo and metallurgical recoveries of 90% for Cu, 70% for Au, 80% for Ag, and 60% for Mo using the formula CuEq % = Cu % + (6481.488523 * Au g/t) + (94.6503085864 * Ag g/t) + (4.2328042328 * Mo g/t).

**ATXD26 intersected 68m grading 2.02% CuEq (1.39% Cu, 0.6 g/t Au, 3.81 g/t Ag and 473 g/t Mo). See news release dated May 15, 2024.