• Nexa Resources S.A. has released its 2025 year-end mineral reserves and resources update, reporting a 4.4% rise in consolidated reserves to 115.1 million tonnes and extended mine lives at key operations in Peru and Brazil.
• A key takeaway is the roughly 92.4% zinc reserve replacement ratio in 2025, showing that new drilling and economic revisions almost kept pace with annual depletion.
• Next, we’ll examine how this near-full zinc reserve replacement and longer mine lives may affect Nexa Resources’ broader investment narrative.

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Nexa Resources Investment Narrative Recap

To own Nexa Resources, you generally need to believe in a zinc focused miner that can turn long life reserves into steady cash flow while managing debt and smelter margins. The latest reserve update, with near full zinc reserve replacement and extended mine lives in Peru and Brazil, supports that long term story but does not directly change the nearer term focus on Aripuana’s ramp up and balance sheet risk.

Among recent announcements, the 2025 mineral reserves and resources update most clearly links to today’s debate around catalysts. By lifting consolidated reserves 4.4% to 115.1 million tonnes and extending life of mine at Vazante, El Porvenir, Aripuan and Cerro Lindo, Nexa is reinforcing the production base that underpins its 2026 to 2028 volume guidance and its ability to keep funding high CapEx and deleveraging plans.

Yet against that reserve progress, Nexa’s high debt load and still thin interest coverage are risks investors should be aware of...

Nexa Resources' narrative projects $2.9 billion revenue and $150.5 million earnings by 2029. This implies relatively flat yearly revenue and a $166.7 million earnings increase from -$16.2 million today.

Uncover how Nexa Resources' forecasts yield a $7.02 fair value, a 37% downside to its current price.

Exploring Other Perspectives

Some of the lowest ranked analysts were expecting only about 1.3 percent annual revenue growth and around US$158.8 million of earnings by 2029, so compared with the reserve extension story and Cerro Pasco integration upside, their more cautious view highlights just how wide the range of opinions can be and why it is worth checking several angles before you decide what this new reserve update means for you.

Explore 3 other fair value estimates on Nexa Resources - why the stock might be worth as much as 24% more than the current price!

Decide For Yourself

Disagree with existing narratives? Extraordinary investment returns rarely come from following the herd, so go with your instincts.

• A great starting point for your Nexa Resources research is our analysis highlighting 3 key rewards and 3 important warning signs that could impact your investment decision.
• Our free Nexa Resources research report provides a comprehensive fundamental analysis summarized in a single visual - the Snowflake - making it easy to evaluate Nexa Resources' overall financial health at a glance.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.