| Disclosure of operating segments [text block] |
| | | | | | | | | | | | | | | | | | | 09/30/2025 | | Pulp | | Paper | | Total | | Net sales | 27,949,498 | | | 9,052,463 | | | 37,001,961 | | | Domestic market (Brazil) | 1,366,641 | | | 5,348,976 | | | 6,715,617 | | | Foreign market | 26,582,857 | | | 3,703,487 | | | 30,286,344 | | | Cost of sales | (18,535,613) | | | (6,255,439) | | | (24,791,052) | | | | | | | | | Adjusted EBITDA | 14,093,769 | | | 2,059,719 | | | 16,153,488 | | | Adjustments to EBITDA (*) | | | | | (823,557) | | | Depreciation, depletion and amortization | | | | | (8,226,217) | | | Financial result | | | | | 13,172,959 | | | Net income before taxes | | | | | 20,276,673 | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | 09/30/2024 | | Pulp | | Paper | | Total | | Net sales | 26,397,840 | | | 6,828,444 | | | 33,226,284 | | | Domestic market (Brazil) | 1,709,910 | | | 5,209,587 | | | 6,919,497 | | | Foreign market | 24,687,930 | | | 1,618,857 | | | 26,306,787 | | | Cost of sales | (14,424,832) | | | (4,215,978) | | | (18,640,810) | | | | | | | | | Adjusted EBITDA | 15,136,653 | | | 2,231,628 | | | 17,368,281 | | | Adjustments to EBITDA (*) | | | | | 321,036 | | | Depreciation, depletion and amortization | | | | | (6,414,046) | | | Financial result | | | | | (13,245,961) | | | Net loss before taxes | | | | | (1,970,690) | | | | | | | |
| | | | | | | | | | | | | | | | | 09/30/2025 | | 09/30/2024 | | (*) Adjustments to EBITDA | | | | | | Fair Value - Biological Asset | | (73,248) | | | 539,003 | | Loss from associates and joint ventures (2) | | (268,350) | | | (14,842) | | | | | | | Impairment of subsidiaries (3) | | (88,871) | | | | | Income from disposal and write-off of property, plant and equipment and biological assets | | (183,356) | | | (132,012) | | | Provision/(reversals) for losses on ICMS credits | | (151,669) | | | (47,807) | | | Expenses on Asset Acquisition and Business Combinations | | (41,423) | | | (22,076) | | Others (1) | | (16,640) | | | (1,230) | | | | (823,557) | | | 321,036 | |
(1) It includes items with specific, non-cash and exceptional adjustments, such as: i) effective loss of the development contract advance program; and ii) extinction of the packaging business line. (2) Refers to the transaction with the affiliate Spinnova Plc involving the joint venture Woodspin Oy and the subsidiary Suzano Finland Oy (note 14.3). (3) Related to the impairment of the balances of subsidiary Suzano Finland Oy, which impacted the other operating expenses line item.
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| Disclosure of products and services [text block] |
| | | | | | | | | | | | | | | | | | | 09/30/2025 | | 09/30/2024 | | | | Products | | | | | | | Market pulp (1) | | 27,949,498 | | | 26,397,840 | | | | Printing and writing paper (2) | | 5,985,698 | | | 5,846,679 | | | | | Paperboard | | 3,036,987 | | | 933,513 | | | | | Other | | 29,778 | | | 48,252 | | | | | | 37,001,961 | | | 33,226,284 | | | |
(1)Net sales of fluff pulp represent 0.7% of total net sales, and therefore were included in market pulp net sales. (0.7% as at September 30, 2024). (2)Net sales of tissue represent 5.7% of total net sales, and therefore were included in printing and writing paper net sales. (6.1% as at September 30, 2024).
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