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

Company: CHEMICAL & MINING CO OF CHILE INC
Filing Date: 2025-06-02
Form: 6-K
Chunk 6
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 2024, the Company recognized a tax expense adjustment of US$1,097.6 million, broken down as follows: • US$926.7 million related to tax years 2012 to 2022 • US$162.7 million related to the 2023 tax year • US$8.2 million related to the first quarter of 2024 Of the US$73.4 million in income tax expense recorded in the first quarter of 2025, approximately US$4.8 million corresponded to the specific mining tax applied on lithium, compared to US$8.2 million for the same period in 2024.

| SQM S.A. 1Q2025 Earnings release |     | 4 |

For more information on income tax expense, please refer to Note 26, section (g) of our Consolidated Financial Statements. Additional context on tax claims and treatments can be found in Note 21.3. Adjusted EBITDA (3) Adjusted EBITDA for the three months ended March 31, 2025, reached US$359.6 million (Adjusted EBITDA margin of 34.7%), compared to US$403.6 million (Adjusted EBITDA margin of 37.2%) for the three months ended March 31, 2024. Notes: (2) A significant portion of SQM’s cost of sales are costs related to common productive processes (mining, crushing, leaching, etc.) which are distributed among the different final products. To estimate gross profit by business line in both periods covered by this release, the Company employed similar criteria on the allocation of common costs to the different business areas. This gross profit distribution should be used only as a general and approximated reference of the margins by business line. (3) Adjusted EBITDA = EBITDA – Other income – Other gains (losses) - Share of Profit of associates and joint ventures accounted for using the equity method + Other expenses by function + Net impairment gains on reversal (losses) of financial assets – Finance income – Currency differences. EBITDA = Profit for the Period + Depreciation and Amortization Expenses + Finance Costs + Income Tax. Adjusted EBITDA margin = Adjusted EBITDA/revenues. We have included adjusted EBITDA to provide investors with a supplemental measure of our operating performance. We believe adjusted EBITDA is important supplemental measure of operating performance because it eliminates items that have less bearing on our