Company: SQM
Filing Date: 2025-06-02
Form Type: 6-K
Source: 0000909037-25-000026
Chunk: 4

Company: CHEMICAL & MINING CO OF CHILE INC
Filing Date: 2025-06-02
Form: 6-K
Chunk 4
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5 |     |       |     | 1Q2024 |     |       |     | 2025/2024 |       |       |     |     |   |
| Potassium          |     | Th. MT |     |        |     | 100.8 |     |        |     | 163.4 |     |           |       | -62.6 |     | -38 | % |
| Potassium Revenues |     | MUS$   |     |        |     |  42.5 |     |        |     |  63.6 |     |           | -21.1 |       |     | -33 | % |

Potassium sales volumes decreased by 38% year-on-year, as previously anticipated, due to lower production from the Salar de Atacama. As a result, we had less product available for third-party sales, given that our main priority is to allocate production as feedstock for potassium nitrate within our Specialty Plant Nutrition business line. Since late 2024, we have observed strong market demand for potash. Supply delays have contributed to rising prices. Our realized price reached approximately US$422 per ton, and we believe prices will likely remain at current levels or experience further upward pressure. For 2025, we maintain our forecast of a significant reduction in potassium production. Accordingly, we expect continued lower sales volumes compared to 2024. This is aligned with our strategy to reduce brine extraction, prioritize high-lithium-content brines, and strengthen value-added products of our Specialty Plant Nutrition portfolio. Gross profit (2) for Potassium segment accounted for 1.6% of SQM’s consolidated gross profit for the three months ended March 31, 2025.

| SQM S.A. 1Q2025 Earnings release |     | 3 |

Industrial Chemicals Industrial chemicals revenues for the three months ended March 31, 2025 reached US$18.8 million, 13.8% lower than US$21.8 million recorded for the first three months of 2024. Industrial Chemicals Sales Volumes and Revenues:

|                               |     |        |     | 1Q2025 |     |      |     | 1Q2024 |     |      |     | 2025/2024 |     |      |     |       |
| Industrial Nitrates           |     | Th. MT |     |        |     | 13.