Company: SQM
Filing Date: 2025-06-12
Form Type: 6-K
Source: 0000909037-25-000030
Chunk: 113

Company: CHEMICAL & MINING CO OF CHILE INC
Filing Date: 2025-06-12
Form: 6-K
Chunk 113
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57,458 |
| Changes                                          |              |       |           |     |     |              |
| Additions                                        |              |       |     1,284 |     |     |       10,701 |
| Reclassifications from/to short-term (inventory) |              |       |       473 |     |     |         -197 |
| Amortization of ground studies                   |              |       |      -194 |     |     |         -733 |
| Reclassification from construction in progress   |              |       |         - |     |     |       -1,719 |
| Total changes                                    |              |       |     1,563 |     |     |        8,052 |
| Ending balance (*)                               |              |       |    67,073 |     |     |       65,510 |

As of the presentation date, no reevaluations of assets for exploration and assessment of mineral resources have been conducted.

(*) This corresponds to the sum of expenditures for economically feasible exploration and exploration under operation (long-term).

141

### Notes to the Consolidated Interim Financial Statements

#### March 31, 2025
Mineral resource exploration, evaluation and Exploitation expenditure

Given the nature of operations of the Company and the type of exploration it undertakes, disbursements for exploration can be found in 4 stages: Execution, economically feasible, not economically feasible and in exploitation:

(a) Not economically feasible : Exploration and evaluation disbursements, once finalized and concluded to be not economically feasible, will be charged to income. As of March 31, 2025 and December 31, 2024, there were no disbursements for this concept.

(b) Execution: Disbursements for exploration and evaluation under implementation and therefore prior to determination of economic feasibility, are presented as part of property, plant and equipment as constructions in progress. As of March 31, 2025 and December 31, 2024, this amounts to ThUS$14,918 and ThUS$14,787.

(c) Economically feasible: Exploration and assessment expenditures resulting in studies concluding that their economic feasibility is viable are classified under “Other non-current non-financial assets”.

|           | Prospecting |                       | Type of Exploration |     |     As of 
 March 31, 
      2025 |     |     |        As of 
 December 31, 
         2024 |
|:----------|:------------|:----------------------