HCH Hot Chili Limited Material – Positive: Hot Chili’s La Verde Discovery Heats Up, Suggests Major Upgrade to Costa Fuego Economics

News Summary

The most recent news, dated December 10, 2025, reports that ongoing drilling at the La Verde copper-gold discovery has confirmed a large, higher-grade core of mineralization extending from near-surface. The results suggest that previously separate higher-grade zones are converging into a single, larger body.

Key drill intercepts include:
– DKP005 (composite hole including an extension): 317m at 0.38% Copper (Cu) and 0.1 g/t Gold (Au) from 32m depth.
– The extension, DKP005D, returned intercepts of 47m at 0.57% Cu and 0.12 g/t Au.

The company’s Managing Director, Christian Easterday, stated this development is “material” and that the addition of a higher-grade starter pit at La Verde would be a “game changer for scale and economics” for the larger Costa Fuego project by strengthening the front-end of its 20-year mine schedule. Assays for six additional diamond drillholes are pending.

Material Impact

The December 10th news is a material and positive development that builds on a consistent stream of successful exploration results from the La Verde target throughout 2025. This news is not just an incremental update; it provides a crucial geological interpretation that has direct and significant economic implications.

Progression of Discovery: The company’s exploration at La Verde has systematically advanced from an initial discovery (December 2024, February 2025) to defining a significant footprint (May 2025), and then to confirming high-grade potential with deeper diamond drilling (November 2025). The latest release confirms the convergence of these high-grade zones into a single core *and* its extension to near-surface.
Economic Implications: The Costa Fuego Pre-Feasibility Study (PFS) from March 2025 defined a large, long-life asset but with a substantial initial capex of US$1.27 billion and a post-tax IRR of 19%. A key method to improve project economics is to mine higher-grade, easily accessible ore at the beginning of the mine life. This latest news directly points to that possibility. A “higher-grade starter pit” could significantly increase early-stage cash flows, shorten the capital payback period, and improve the project’s overall NPV and IRR, making it more attractive to potential strategic partners.
De-risking and Confirmation: This news strongly supports the company’s thesis that La Verde can be a valuable satellite deposit for Costa Fuego. It turns the conceptual upside mentioned in the PFS into a more tangible and defined target. The CEO’s “game changer” comment, while promotional, is grounded in the reality of what a high-grade starter pit means for mine economics. The market’s positive reaction to La Verde news since April, which has driven the stock from A$0.34 to over A$1.00, indicates that this is the story investors are focused on. This release provides further validation for that rerating.

In the context of the historical news, this announcement is a key milestone. It elevates La Verde from a promising discovery to a potential value driver that could materially enhance the entire Costa Fuego project.

Catalysts

Immediate: Assay results from the six pending diamond drillholes at La Verde. Positive results would further confirm the size and grade of the newly defined core.
3-6 Months: The single most important upcoming catalyst is the Maiden Mineral Resource Estimate (MRE) for La Verde. This will quantify the discovery and is a prerequisite for economic studies.
3-6 Months: An updated economic study for Costa Fuego (either a PFS update or the start of a Definitive Feasibility Study) that incorporates the La Verde resource. This will be the ultimate test of the “game changer” thesis.
3-6 Months: Updates on the strategic partnering process for funding the Costa Fuego development. The de-risking of La Verde should make these discussions more fruitful.

Materiality Conclusion

The news is Material – Positive. It confirms a critical geological development—the convergence of mineralization into a single, near-surface, higher-grade core—that has the clear potential to significantly improve the financial metrics of the company’s flagship Costa Fuego project. It represents a major de-risking event for the key exploration upside story.

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