Equity Profile #13 — Companhia Siderúrgica Nacional (CSN)

Key Takeaways

• CSN is a diversified Brazilian industrial group with operations in steel, iron ore mining, cement, logistics, and energy.

• U.S. investors can access the company through NYSE-listed American depositary shares under ticker SID; its Brazilian shares trade as CSNA3 on B3.

• Second-quarter 2026 revenue was R$11.31 billion and adjusted EBITDA was R$2.77 billion, but the company recorded a net loss of R$773.1 million.

• Net debt reached R$42.14 billion at June 30, 2026, with reported net debt-to-last-twelve-months EBITDA leverage of 3.49x.

• Asset sales and recurring free cash flow are central to the plan to strengthen the balance sheet.

• The investment thesis depends on whether operational improvement can translate into lower debt, lower financing costs, and better returns for shareholders.

• SID is a high-risk turnaround candidate, not a conventional defensive industrial stock or dependable dividend investment.

1. Overview of the Company

Companhia Siderúrgica Nacional, commonly known as CSN, is one of Brazil’s established integrated industrial groups. Founded in 1941, it has evolved from a strategic steel producer into a diversified business spanning steel, iron ore mining, cement, logistics, and energy.

The company’s industrial footprint gives investors exposure to several parts of Brazil’s economy. Steel serves construction, manufacturing, packaging, and infrastructure customers. Mining supplies iron ore to domestic and international markets. Cement participates in construction demand, while logistics assets support the movement of raw materials and finished products. Energy operations help support the industrial platform.

Diversification can reduce dependence on one end market, but it does not eliminate cyclicality. Steel earnings depend on selling prices, input costs, plant utilization, and import competition. Mining is exposed to iron ore prices, product quality, production costs, and freight. Cement depends on construction activity, regional pricing, and energy costs. Each business also requires ongoing capital investment.

For U.S. investors, CSN is best understood as a leveraged industrial turnaround opportunity. Its assets may have substantial operating value, but shareholders benefit only if the company converts that value into recurring cash after capital expenditures, interest payments, and other obligations.

2. Company History and Strategic Evolution

CSN was established in 1941 as part of Brazil’s effort to build domestic industrial capacity. Its steel complex in Volta Redonda became an important foundation for the country’s industrial development, supplying material for construction, transportation, machinery, and manufacturing.

A defining milestone came in 1993, when CSN was privatized. It increasingly operated according to commercial objectives such as profitability, efficiency, investment returns, and shareholder value. Over time, the company expanded beyond steelmaking, developing mining operations and investing in cement, logistics, and energy.

Mining became strategically important because it added exposure to international iron ore markets and diversified earnings beyond steelmaking. The integrated structure can create operational advantages, but it also requires management to allocate capital among businesses with different economics and investment needs.

CSN’s financial challenge has been balancing industrial investment with a substantial debt burden. Steel plants, mines, cement facilities, and transport infrastructure require maintenance and modernization. Positive EBITDA therefore does not automatically translate into cash available for debt repayment or dividends.

In September 2026, Fabio Schvartsman became CEO, replacing Benjamin Steinbruch, who had held the role since 2002 and became chairman of the board. The leadership transition occurred while CSN was pursuing asset sales and debt reduction. It creates an opportunity to reset capital allocation, but its success must be judged by measurable results rather than management promises.

3. Business Model: How CSN Makes Money

Steel

CSN produces flat and long steel products used in manufacturing, construction, packaging, and other applications. Profitability depends on the difference between realized selling prices and the combined costs of raw materials, energy, labor, maintenance, and distribution.

Steelmaking has significant fixed costs. Higher capacity utilization can improve margins when demand is healthy, while weaker demand or import competition can pressure selling prices. Brazilian trade measures can influence competitive conditions, but their impact depends on product coverage, import volumes, domestic demand, and customer behavior.

In the second quarter of 2026, CSN’s steel segment generated approximately R$6.08 billion in net revenue and R$636 million in adjusted EBITDA, for a margin of about 10.5%. The company reported higher sales volumes and improved profitability, supported by stronger commercial activity and a more favorable pricing environment. However, cost inflation and competition remain risks, so a durable recovery is not guaranteed.

Mining

CSN’s mining operations produce and sell iron ore, including output from assets such as the Casa de Pedra mine. Earnings depend on benchmark prices, realized prices, ore quality, mining costs, production volumes, and transportation to export markets.

Mining can offset weakness in steel margins, but it remains cyclical. China’s steel production and construction activity are particularly important to global iron ore demand. Higher freight costs or lower benchmark prices can reduce profitability even when production volumes remain strong.

In 2Q26, CSN Mining generated approximately R$929.7 million in adjusted EBITDA, with a 32.0% margin. The company described strong production and sales volumes but cited pressure from logistics costs and realized prices. Investors should distinguish the segment’s own production from total sales, which may include third-party material.

Cement

CSN Cimentos sells cement and related construction materials. Its results depend on construction demand, regional pricing, fuel and electricity costs, freight, and plant utilization. Cement is a regional business because transportation can be expensive relative to the product’s value.

The segment is central to CSN’s balance-sheet strategy because the company is pursuing a sale of the business. In August 2026, CSN disclosed receiving binding proposals. By October 20, the company said the competitive sale process remained in its final negotiation stage. Media reports identified Huaxin and a group involving Votorantim among potential interested parties, but the transaction had not been announced as completed as of October 26.

A sale could reduce debt, but CSN would also surrender the division’s future earnings and cash flow. Investors should compare net proceeds with the earnings and capital requirements of the business being sold rather than treating the headline valuation as pure shareholder value.

Logistics and Energy

Logistics assets support the movement of ore, steel, and other industrial products. CSN has an interest in MRS Logística, a major Brazilian railway operator. Logistics can provide strategic benefits and external revenue, but infrastructure assets also require maintenance and capital investment. MRS’s ownership and accounting structure mean investors should pay attention to how its contribution is reflected in CSN’s adjusted measures.

Energy operations support industrial activity and diversify earnings. However, CSN said energy performance in 2Q26 benefited partly from retroactive receipts related to the Jacuí plant, an extraordinary factor that should not automatically be assumed to recur.

4. Stock Market Presence: Brazil and the United States

CSN’s common shares trade on Brazil’s B3 exchange under ticker CSNA3. Its American depositary shares trade on the New York Stock Exchange under ticker SID. The company’s 2025 Form 20-F states that each ADS represents one common share.

The U.S. listing provides access through a familiar market, but it does not remove Brazilian economic, political, currency, or commodity exposure. CSN reports in Brazilian reais, while a U.S. investor measures returns in dollars. Exchange-rate movements can affect the dollar value of the investment and can also affect the company’s costs, liabilities, and reported earnings.

SID should be evaluated as an equity claim on a leveraged industrial group. A low nominal share price alone does not establish that the stock is cheap. Enterprise value, debt, normalized EBITDA, capital expenditures, and the cash flow remaining for shareholders are more informative.

5. Recent Financial Results: Latest Available

As of October 26, 2026, CSN’s latest published quarterly results are for the second quarter of 2026. The company’s investor-relations materials list its 2Q26 results, while third-quarter results had not yet been published at the time of this analysis.

In 2Q26, consolidated net revenue was R$11.31 billion, up 6.6% from the previous quarter and 5.7% year over year. Gross profit reached approximately R$2.93 billion, equivalent to a 25.9% gross margin.

Adjusted EBITDA was R$2.77 billion, with an adjusted EBITDA margin of 23.4%. First-half adjusted EBITDA totaled approximately R$5.4 billion, up 5.2% from the first half of 2025. Segment results showed improvement in steel and cement, a solid logistics contribution, and strong mining volumes, although mining profitability was affected by freight costs and realized prices.

The bottom line remained weak. CSN reported a net loss of R$773.1 million in 2Q26 and a net loss of approximately R$1.3 billion for the first half. The financial result was negative by about R$1.84 billion in the quarter, with foreign-exchange movements affecting financial expenses and derivatives. This illustrates the difference between operating earnings and the amount ultimately available to shareholders.

CSN reported positive free cash flow of R$808.1 million in 2Q26, reversing negative results in recent periods. The company attributed the result to operating performance, working-capital release, and funding transactions. The improvement is encouraging, but investors should separate recurring operating cash generation from temporary working-capital effects and financing proceeds.

At June 30, 2026, consolidated net debt was approximately R$42.14 billion, and reported net debt-to-last-twelve-months EBITDA leverage was 3.49x. CSN reported cash and cash equivalents of approximately R$15.4 billion. Liquidity provides a buffer, but the debt balance remains a central risk.

The company has pursued liability-management transactions to extend maturities, including a US$1.2 billion bridge loan and an exchange offer intended to extend the maturity of approximately US$1.3 billion of notes originally due in 2028. Such transactions can reduce near-term refinancing pressure, but they do not by themselves eliminate debt or guarantee lower financing costs.

CSN should not be considered primarily a dividend stock. Persistent net losses, capital requirements, and leverage make distributions less predictable than those of a financially stronger company. Investors should prioritize recurring cash flow and debt reduction over historical dividend payments.

6. Competitive Position and Valuation

CSN’s competitive position is built around industrial scale, mining resources, steelmaking capacity, and logistics connections. The integration of mining and steel can offer strategic flexibility, while cement and logistics broaden the group’s earnings base. Yet owning several businesses is not automatically a competitive advantage: the value depends on unit costs, asset quality, operating reliability, and the returns earned on capital.

In steel, CSN competes with domestic producers such as Gerdau and Usiminas, as well as imported products. Comparisons must account for differences in product mix, cost structure, geography, and balance-sheet strength. In mining, the relevant comparison includes larger global producers whose scale, logistics, and cost positions may differ materially from CSN’s. The company should not be assumed to have the lowest costs simply because it owns mines and steel plants.

A useful valuation approach combines enterprise-value analysis with a sum-of-the-parts framework. Investors can assess normalized earnings for steel and mining, evaluate the value and cash generation of cement and logistics, and then subtract net debt, corporate costs, minority interests, and other obligations. Free-cash-flow analysis is also essential because CSN’s capital expenditure and financing needs can make EBITDA a poor proxy for cash available to shareholders.

The key question is not whether CSN’s assets appear valuable in isolation. It is whether the value of the operating businesses, after debt and other claims, provides an adequate margin of safety relative to SID’s market value. A precise price target should not be offered without a dated share price, a consistent valuation model, and explicit assumptions for commodity prices, margins, capital expenditure, and debt reduction.

7. Key Performance Indicators to Monitor

The most important indicator is net debt-to-EBITDA. CSN reported 3.49x at the end of 2Q26. Investors should look for a sustained decline driven by actual debt repayment and recurring earnings, rather than temporary improvements in EBITDA or working capital.

Adjusted EBITDA margin is also useful. CSN reported 23.4% for 2Q26, but investors should determine whether the margin is supported by repeatable operating performance or temporary factors. Company-defined adjusted EBITDA may differ from measures used by other companies, so comparisons require consistent definitions.

Free cash flow is crucial because debt reduction requires cash, not accounting earnings. Positive free cash flow should persist after capital expenditures, financing costs, and working-capital changes. One positive quarter is encouraging but insufficient to establish a sustainable trend.

For steel, monitor realized selling prices, costs per ton, sales volumes, and capacity utilization. For mining, focus on realized iron ore prices, production and sales volumes, costs, product quality, and freight. For capital allocation, monitor capital expenditures, completed asset-sale proceeds, interest costs, and the amount of debt actually repaid.

Return on invested capital matters over the longer term. Growth that requires large amounts of capital but earns less than its cost can destroy shareholder value even if revenue and production increase.

8. Risks and Opportunities

The largest risk is leverage. Net debt of R$42.14 billion leaves CSN vulnerable if EBITDA falls or refinancing costs rise. Interest and debt obligations can absorb cash that might otherwise support investment or shareholders.

Steel-market cyclicality is another major risk. Weak industrial demand, global oversupply, or import competition can pressure prices and capacity utilization. Operating costs cannot always be reduced quickly enough to offset lower selling prices.

China’s steel production and construction activity influence global iron ore demand. Lower benchmark prices or higher freight costs could weaken mining earnings. Currency movements also matter: exchange rates can affect both foreign-currency debt and operating economics, so a weaker real is not automatically positive for an exporter.

Asset-sale execution is critical. A transaction may be delayed, close at a different valuation than expected, or produce less net cash after adjustments. Selling a profitable business also reduces future earnings. Investors should distinguish announcements, binding agreements, closing conditions, and cash actually received.

Capital intensity and operational risks remain significant. Mines, steelworks, cement plants, and logistics infrastructure require ongoing maintenance. Regulatory, environmental, safety, or operational disruptions can affect output and costs.

The principal opportunity is deleveraging. Completed asset sales and recurring free cash flow could reduce debt, lower interest costs, and improve financial flexibility. Better steel margins, competitive mining operations, and disciplined investment could add to that improvement. But these catalysts only create shareholder value if cash is retained or used productively rather than absorbed by new debt or low-return projects.

9. Five-Year Outlook for U.S. Investors

In a bullish scenario, CSN completes major asset sales on acceptable terms, uses proceeds to reduce debt, sustains stronger steel and mining margins, and generates recurring free cash flow. Lower leverage could reduce financing pressure and support a higher valuation for the remaining businesses.

In a base scenario, operating performance improves gradually, but asset sales and debt reduction take time. Capital expenditures remain meaningful, and financing costs continue to constrain net income. The stock’s performance depends on whether results improve faster than market expectations.

In a bearish scenario, steel margins weaken, iron ore prices decline, asset sales are delayed, or cash generation remains insufficient. Net debt could stay elevated or rise, leaving shareholders exposed to refinancing pressure and weaker equity value.

These are analytical scenarios, not company guidance or price forecasts. Investors should avoid relying on a single valuation multiple. EV/EBITDA can help compare enterprise value with normalized operating earnings, but it does not capture all capital expenditure and financing requirements. A sum-of-the-parts approach can assess individual businesses, but must account for debt, corporate costs, minority interests, and the earnings lost through divestments.

Currency also matters. A stronger or weaker Brazilian real can change dollar returns, while currency movements may also affect CSN’s own operating results and financial expenses.

The clearest evidence of a turnaround would be several consecutive quarters of positive recurring free cash flow, completed asset sales, lower absolute net debt, and improving net income.

10. Final Verdict: Is CSN a Buy for U.S. Investors?

CSN offers exposure to steel, iron ore, cement, logistics, and energy through a U.S.-listed security. Its second-quarter 2026 results showed stronger revenue and adjusted EBITDA, and management is pursuing asset sales and refinancing measures intended to improve the balance sheet.

The central problem remains leverage. Net debt of approximately R$42.14 billion, reported leverage of 3.49x, and continuing net losses mean that operational improvement has not yet translated into consistently strong bottom-line performance. Asset sales could materially help, but they are not a substitute for recurring cash generation and disciplined capital allocation.

SID may interest investors with a high tolerance for volatility who understand cyclical industries and can monitor the company’s debt and transaction progress. It is less suitable for investors seeking capital preservation, stable dividends, or predictable earnings.

A more constructive investment case would require evidence of actual debt repayment, recurring positive free cash flow, sustainable operating margins, and a reduction in financing costs. Until then, CSN is best viewed as a high-risk turnaround candidate rather than a core defensive holding.

The decisive question is whether CSN can convert its industrial scale into financial strength. If it succeeds, the equity could benefit from improved earnings and a lower perceived risk premium. If it fails, debt and capital intensity could continue to constrain shareholder value despite respectable operating performance.

Disclaimer & Sources

Not investment advice. For educational purposes only. This article is informational and does not constitute a recommendation to buy, sell, or hold any security. Financial data and transaction status can change. Investors should review current company filings and conduct independent due diligence.

Sources:

• CSN, 2Q26 Earnings Release, August 12, 2026: https://ri.csn.com.br/

• CSN, 2025 Form 20-F, filed April 2026: https://www.sec.gov/Archives/edgar/data/1049659/000129281426002714/sidform20f_2025.htm

• CSN, Material Fact on the binding term sheet for the sale of SWT, October 9, 2026: https://www.sec.gov/Archives/edgar/data/1049659/000129281426004888/sid20261009_6k.htm

• CSN, Material Fact regarding binding proposals for CSN Cimentos, August 10, 2026: https://ri.csn.com.br/publicacoes-cvm-sec/comunicados-e-fatos-relevantes/

• Reuters, “Brazil steelmaker CSN says Steinbruch leaving CEO role after 24 years,” September 2, 2026: https://www.reuters.com/world/americas/brazils-csn-names-fabio-schvartsman-ceo-2026-09-02/

• Reuters/UOL, “CSN says cement sale is in final stage of discussions,” October 20, 2026: https://economia.uol.com.br/noticias/redacao/2026/10/20/csn-diz-que-venda-de-cimenteira-esta-em-fase-final.htm