Company: SQM
Filing Date: 2025-11-19
Form Type: 6-K
Source: 0000909037-25-000042
Chunk: 3

Company: CHEMICAL & MINING CO OF CHILE INC
Filing Date: 2025-11-19
Form: 6-K
Chunk 3
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| SQM S.A. 3Q2025 Earnings release |     | 2 |

*Reflects SQM’s attributable portion only During the third quarter, we saw the highest lithium sales volume in our history, mainly driven by a stronger demand growth than previously anticipated. The stronger-than-expected lithium demand growth came not only from the electric vehicle industry, but also from the battery energy storage systems, that already represents more than 20% of the global lithium demand. In addition, we observed lower inventory levels across the entire supply chain, which, together with some supply disruptions seen in recent months, contributed to a shift in the overall price trend. Our realized average price from the Salar de Atacama operations was close to US$8.8 per kilogram , representing a 3.5% increase compared to the previous quarter. Although the increase was modest, it signals a turning point in pricing in a volatile market. In Australia, we posted record sales volumes and we expect similar commercial activity in the fourth quarter mainly related to spodumene concentrate. The Kwinana refinery continues its ramp-up, which we expect to be close to nameplate capacity by the end of 2026. Same as with lithium carbonate prices, we have also seen a turning point, that makes us believe that prices in the fourth quarter should be higher than prices reported in the third quarter. Gross profit (1) for the Lithium and Derivatives segment accounted for 38% of SQM’s consolidated gross profit for the nine months ended September 30, 2025. Specialty Plant Nutrition (SPN) Revenues from our Specialty Plant Nutrition business line for the nine months ended September 30, 2025 totaled US$732.4 million, an increase when compared to US$717.3 million reported for the nine months ended September 30, 2024. Revenues from our Specialty Plant Nutrition business line for the third quarter of 2025 totaled US$259.8 million, an increase when compared to US$249.1 million reported for the third quarter of 2024. Specialty Plant Nutrition Sales Volumes and Revenues:

|                                                |     |        |     | 9M2025 |     |       |     | 9M2024 |     |       |     | 2025/2024 |      |       |     |     |       |
| Specialty Plant Nutrition Total Volumes