Slide 1: 2Q25 Earnings Presentation
2Q25 Earnings Presentation ri.klabin.com.br
Slide 2: Disclaimer
ri.klabin.com.br 2Q25 Earnings Presentation DISCLAIMER This presentation may contain forward-looking projections or statements. Such statements are exposed to known and unknown risks and different nature uncertainties that may cause these expectations not to materialize or to differ materially from
Slide 3: 2Q25 Performance – Sales Volume
ri.klabin.com.br 2Q25 Earnings Presentation 2Q25 PERFORMANCE – Sales Volume Pulp Total Sales¹ Adjusted EBITDA by SHORT FIBER 28% 1,011 Segment3 2Q25 395 279 k tons k tons k tons R$ 2.0 bn LONG FIBER/FLUFF 116 k tons 11% Convertion (Integration) Paper - Market Pulp COATED BOARD 20% CORRUGATED Paper &
Slide 4: 2Q25 Results
ri.klabin.com.br 2Q25 Earnings Presentation 2Q25 RESULTS Exchange rate R$ / US$ 2Q24 2Q25 6% increase in net revenue, driven by higher paper and packaging prices, increased sales volume, and the positive impact of exchange Average dollar 5.21 5.67 rates on exports Sales Volume¹ Net Revenue² Adjusted
Slide 5: Total Cash Cost
ri.klabin.com.br 2Q25 Earnings Presentation TOTAL CASH COST Sequential improvement in cash cost with a 5% reduction versus 1Q25 Total Cash Cost Cash Cost Composition (R$ per ton) 2Q25 +10% Fuel Oil Electricity -5% 4% 3% Labor 3,335 3,178 14% 27% 2,892 Other Maintenance 10% 2Q25 3% Third-Party Paper
Slide 6: Net Debt and Leverage
ri.klabin.com.br 2Q25 Earnings Presentation NET DEBT AND LEVERAGE Maintenance of leverage within the parameters of the Financial Indebtedness Policy¹ Position on 06/30/2025 (R$ bn) Gross Debt5 36.0 Cash² 8.0 Net Debt 28.0 4.1 4.5 4.0 3.9 3.2 3.3 3.5 3.5 2.7 2.7 2.7 2.6 2.8 3.5 3.9 3.9 3.9 3.7 3.2 3.
Slide 7: Amortization Schedule
ri.klabin.com.br 2Q25 Earnings Presentation AMORTIZATION SCHEDULE Robust liquidity position and extended debt profile, with no significant maturities in the short term R$ million 2Q25 1Q25 10,811 In months Average Debt Maturity 86 88 Revolving 2,729 35 months Credit of cash debt Cost of Debt in US$
Slide 8: Free Cash Flow (FCF)
2Q25 Earnings Presentation ri.klabin.com.br FREE CASH FLOW (FCF) Solid operational cash generation increased adjusted FCF yield to 12.6%, an increase of 1.9 p.p. compared to LTM 2Q24 LTM LTM R$ million 2Q25 1Q25 2Q24 2Q25 2Q24 1 Adjusted EBITDA¹ 2,041 1,859 2,052 7,529 6,740 (-) Capex² (649) (605) (
Slide 9: Dividends & IoC
ri.klabin.com.br 2Q25 Earnings Presentation DIVIDENDS & IoC R$ million considering cash method Dividend 6.2% 5.7% Yield¹ 1,528 1,426 Dividends 2Q25³: R$ 306 million (15% EBITDA) Dividends and IoC Policy4: Target between10% e 20% of Adjusted EBITDA 2024 LTM² 2T25 Dividends + IoC paid 1 – Calculated b
Slide 10: Market Thermometer
ri.klabin.com.br 2Q25 Earnings Presentation MARKET THERMOMETER Demand Demanda Sales Price 1 Negative Neutral Positive (Market) (mercado) volume trend trend trend Short Fiber PULP Fluff Coated Board PAPER Kraftliner Corrugated Boxes PACKAGING Industrial Bags 10 1– Prices in US dollars for pulp and pa
Slide 11: Appendix
Appendix ri.klabin.com.br
Slide 12: Pulp
ri.klabin.com.br 2Q25 Earnings Presentation PULP Revenue boosted by increase in short fiber sales, resilience in long fiber and fluff prices, and devaluation of the real against the dollar Sales Volume Short Fiber and Long Production Cash Cost (Thousand tons) Fiber/Fluff Net Price (R$ per ton¹) (US$
Slide 13: Paper
ri.klabin.com.br 2Q25 Earnings Presentation PAPER Volume and price growth in containerboard, offsetting the softened demand in the coated board market COATED BOARD CONTAINERBOARD Sales Volume Net Revenue Sales Volume Net Revenue (Thousand tons) (R$ million) (Thousand tons) (R$ million) 2024e -3% +25
Slide 14: Corrugated Boxes
ri.klabin.com.br 2Q25 Earnings Presentation CORRUGATED BOXES 17% increase in net revenue, reflecting strong growth in sales volume and price adjustments Sales Volume Net Revenue (R$ million) (Thousand ton) (million m²) +17% +6% 1,514 430 1,292 +4% 404 226 236 2Q24 2Q25 2Q24 2Q25 2Q24 2Q25 14
Slide 15: Investor Relations contact
invest@klabin.com.br ri.klabin.com.br/