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ATEX is exploring the Valeriano Copper-Gold Project which is located within the emerging copper gold porphyry mineral belt linking the prolific El Indio High-Sulphidation Belt to the south with the Maricunga Gold Porphyry Belt to the north, located in the Atacama Region, Chile. This emerging belt, informally referred to as the Link Belt, hosts several copper gold porphyry deposits at various stages of development including, Filo del Sol (Lundin Mining/BHP), Josemaria (Lundin Mining/BHP), Lunahausi (NGEx Minerals), La Fortuna (Teck Resources/Newmont) and El Encierro (Antofagasta/Barrick). Valeriano hosts a large, high-grade, copper-gold porphyry Mineral Resource: an Indicated Resource of 475 Mt at 0.88% CuEq (0.58% Cu, 0.25 g/t Au, 1.39 g/t Ag and 70.4 g/t Mo) at a cutoff grade of 0.35% Cu, and an Inferred resource of 1,511 Mt at 0.75% CuEq (0.50% Cu,0.20 g/t Au, 1.16 g/t Ag and 70.6 g/t Mo) at a cut-off grade of 0.35% Cu, as reported on September 23, 2025.

Management Profile

Chris Beer, CEO

Mr. Beer, who has been a director of ATEX since June 2024, is a well-tenured executive with over 30 years of exploration, capital markets and institutional investing experience. He began his career as an exploration geologist with Noranda and most recently spent 25 years at RBC Global Asset Management, where he served as Managing Director and Senior Portfolio Manager of North American and Global Natural Resources until 2024.

Mr. Beer is also Chair of Fuerte Metals, owner of the Coffee Gold Project in the Yukon Territory, and a director of Metalla Royalty & Streaming Ltd.

What are your key goals for the next 3, 6 and 12 months?

3 Months:

Phase 6 completion and start of Phase 7 drilling

6 Months:

Phase 7 drilling and district exploration

12 Months:

Phase 7 completion and district exploration results

What do you think makes your company such a compelling investment?

Valeriano has experienced rapid geological success in a short timeframe and the system remains open in all directions. It is 100% in Chile, lower altitude vs. peer projects in this region, clean metallurgy, high copper-gold recoveries, strong management team and board with extensive experience in South American exploration and discoveries. ATEX presents a compelling case for a meaningful upward stock re-rate when screening against peers.

What are the top 3 key investor takeaways?

1. Still in the early innings, Valeriano already ranks among the largest copper-gold deposits with a high quality grade profile.

2. The limits of the system still remain unknown.

3. Valuation discount to peers presents an attractive entry point as ATEX continues to de-risk Valeriano and has brought on Agnico Eagle as its largest shareholder and delivered a world-class Mineral Resource update.