Company: SUZ
Filing Date: 2025-11-06
Form Type: 6-K
Source: 0000909327-25-000055
Chunk: 17

Company: Suzano S.A.
Filing Date: 2025-11-06
Form: 6-K
Chunk 17
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 Companies ("Reintegra"): Reintegra is a program that aims to refund the residual costs of taxes paid throughout the export chain to taxpayers, to make them more competitive in foreign markets.

(6) Related to provisions for ICMS credit balances that are not probable to be recovered.

9.1 Provision for loss on ICMS credits

|                 |     |            |            |     |            | ICMS       |
|                 |     |            | 09/30/2025 |     |            | 12/31/2024 |
| Opening balance |     | -1,581,961 |            |     | -1,452,435 |            |
| Addition        |     |   -302,420 |            |     |   -316,741 |            |
| Reversal(1)     |     |    150,751 |            |     |    186,014 |            |
| Write-off       |     |            |            |     |      1,201 |            |
| Closing balance |     | -1,733,630 |            |     | -1,581,961 |            |

(1) Refers mainly to the reversal of the provision for loss resulting from the recovery of ICMS credits from the State of Espírito Santo through sale to third parties.

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10 ADVANCES TO SUPPLIERS

|                               |     |           | 09/30/2025 |     |           | 12/31/2024 |
| Forestry development program  |     | 2,682,250 |            |     | 2,503,537 |            |
| Advance to suppliers - others |     |    87,696 |            |     |    92,133 |            |
|                               |     | 2,769,946 |            |     | 2,595,670 |            |
| Current                       |     |    87,696 |            |     |    92,133 |            |
| Non-current                   |     | 2,682,250 |            |     | 2,503,537 |            |

In the annual financial statements for the year ended December 31, 2024, the characteristics of the advances were disclosed, which did not change during the nine-month period ended September 30, 2025 .

11 RELATED PARTIES

The Company's commercial and financial transactions with the controlling shareholder and Companies owned by the controlling shareholder