Company: SQM
Filing Date: 2025-06-12
Form Type: 6-K
Source: 0000909037-25-000030
Chunk: 84

Company: CHEMICAL & MINING CO OF CHILE INC
Filing Date: 2025-06-12
Form: 6-K
Chunk 84
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2,510 |

Derivative contract maturities are detailed as follows:

| Series |     | Contract amount |     | Currency |     | Maturity date |
| ThUS$  |     |                 |     |          |     |               |
| O      |     |          58,748 |     | UF       |     | 02-01-2030    |
| P      |     |         134,228 |     | UF       |     | 01-15-2028    |
| Q      |     |         123,370 |     | UF       |     | 06-01-2030    |

#### Effectiveness
The Company uses CCS, Forwards and IRS to hedge the potential financial risk associated with exchange rate and interest rate volatility. The objective is to hedge the exchange rate and inflation financial risks associated with bond obligations, exchange rate financial risks associated with investments in Chilean pesos, exchange rate financial risk associated with projects under construction in Australian dollars and interest rate financial risk associated with bank loans. Hedges are documented and qualitatively assessed to demonstrate their effectiveness based on a comparison of their critical terms.

The hedges used by the Company as of the reporting date are highly effective given that the amounts, currencies, exchange dates and rates of the hedged item and the hedge are aligned, maintaining a close economic relationship.

98

### Notes to the Consolidated Interim Financial Statements

#### March 31, 2025

#### 12.4

### Financial liabilities

### Other current and non-current financial liabilities
As of March 31, 2025, and December 31, 2024 , the detail is as follows:

| Other current and non-current financial liabilities |     | As of March 31, 2025 |         |     |           |     |           |     | As of December 31, 2024 |     |           |     |           |
|:----------------------------------------------------|:----|---------------------:|--------:|:----|----------:|:----|----------:|:----|------------------------:|:----|----------:|:----|----------:|
| Currents                                            |     |          Non-Current |         |     |     Total |     |  Currents |     |             Non-Current |     |     Total |     |           |
| ThUS$                                               |     |                ThUS$ |         |     |     ThUS$ |     |     ThUS$ |