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v3.25.3

Related parties - Balances recognized in assets and liabilities and amounts transacted during the period (Details) - BRL (R$) R$ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Assets | R$ 100,506 |  | R$ 87,493
Liabilities | (4,503) |  | (1,076,419)
Sales (purchase) | 142,309 | R$ 159,432 |
Dividends and interest on own capital payable | 1,992 |  | 2,200,917
Trade accounts receivable |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Assets | 97,477 |  | 83,545
Other assets |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Assets | 3,029 |  | 3,948
Trade accounts payable |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Liabilities | (4,503) |  | (1,457)
Dividends and interests on own capital payable |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Liabilities |  |  | (1,074,962)
Transactions with majority shareholders |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Assets | 7 |  | 4
Liabilities |  |  | (1,074,983)
Sales (purchase) | (336) | 43 |
Suzano Holding S.A. |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Assets | 7 |  | 4
Liabilities |  |  | (630,387)
Sales (purchase) | (336) | 43 |
Controller |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Liabilities |  |  | (336,205)
Managements and related persons |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Assets |  |  |
Liabilities |  |  | (55,627)
Sales (purchase) |  |  |
Alden Fundo de Investimento em Ações |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Liabilities |  |  | (52,764)
Transactions with companies of the Suzano Group and other related parties |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Assets | 100,499 |  | 87,489
Liabilities | (4,503) |  | (1,436)
Sales (purchase) | 142,645 | 159,389 |
Management |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Assets | 119 |  | 61
Sales (purchase) | 375 | 417 |
Bexma Participacoes Ltda. |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Assets | 3 |  |
Sales (purchase) | 11 | 5 |
Naman Capoital Ltda. |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Assets |  |  |
Sales (purchase) | 5 | 6 |
Civelec Participações Ltda |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Assets | 2,895 |  | 3,860
Sales (purchase) |  |  |
Fundacao Arymax |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Assets | 4 |  |
Sales (purchase) | 8 | 3 |
Ibema Companhia Brasileira de Papel |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Assets | 97,477 |  | 83,343
Liabilities | (4,472) |  | (1,413)
Sales (purchase) | 146,503 | 163,480 |
Instituto Ecofuturo - Futuro Para o Desenvolvimento Sustentavel |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Assets | 1 |  | 21
Liabilities |  |  |
Sales (purchase) | (3,730) | (4,122) |
IPFL Holding S.A |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Assets |  |  | 1
Sales (purchase) | 4 | 5 |
Mabex Representacoes e Participacoes Ltda. |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Liabilities | (16) |  | (23)
Sales (purchase) | (1,022) | (892) |
Nemonorte Imoveis e Participacoes Ltda. |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Liabilities | (15) |  |
Sales (purchase) | (134) | (134) |
Woodspin Oy |  |  |
Disclosure of Transactions Between Related Parties [Line Items] |  |  |
Assets |  |  | R$ 203
Sales (purchase) | R$ 625 | R$ 621 |

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