CSN(SID) - 2025 Q3 - Earnings Call Presentation

Financial Performance - CSN achieved its highest EBITDA of the year, growing by 25.6% in Q3 2025[4] - Adjusted EBITDA margin reached 26.8%, a 3.3 percentage point increase compared to Q2 2025[4] - The company's leverage decreased by 35 basis points from Q4 2024, reaching 3.14x[4] - Adjusted free cash flow was negative, impacted by financial expenses, increased investment activities, and working capital consumption[19] Mining - Mining achieved a new production and sales record with over 12 million tons commercialized in Q3 2025[4] - Mining EBITDA reached R$1.9 billion[4] - Mining EBITDA margin adjusted reached 43.9%, a 7.8 percentage point increase compared to Q2 2025[4] - Sales volume reached 12.4 million tons, marking the company's best result ever[46] Other Segments - Steel EBITDA reached a record of R$550 million[4] - Cement EBITDA reached a record of R$388 million[4] - Logistics EBITDA reached a record of R$550 million, with a 5% increase in sales volume compared to Q2 2025[4]