Company: SQM
Filing Date: 2025-06-12
Form Type: 6-K
Source: 0000909037-25-000030
Chunk: 28

Company: CHEMICAL & MINING CO OF CHILE INC
Filing Date: 2025-06-12
Form: 6-K
Chunk 28
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 and location as the product with which they are compared; (ii) provision for future uncertain use that corresponds to the value of those products in process that are likely not going to be used in sales based on the company’s long-term plans; (iii) reprocessing costs of products that are unfeasible for sale due to current specifications.

(b) Provision associated with physical differences in inventory: A provision is made for differences that exceed the tolerance considered in the respective inventory process (physical and annual inventories are taken for the productive units in Chile and the port of Tocopilla; the business subsidiaries depend on the last zero ground obtained, but in general it is at least once a year), these differences are recognized immediately.

(c) Potential errors in the determination of stock: The company has an algorithm (reviewed at least once a year) that corresponds to diverse percentages assigned to each inventory based on the product, location, complexity involved in the associated measurement, rotation and control mechanisms.

Inventories of raw materials, materials and supplies for production are recorded at acquisition cost and recognized as current inventories when they are expected to be used within 12 months; they are classified as non-current inventories when the expected consumption timeline exceeds 1 year. Cyclical inventory checks are continuously conducted at warehouses, and general inventory checks occur every three years. Any discrepancies are recognized upon detection. The Company has a provision that is calculated quarterly based on percentages related to materials classified by warehouse and turnover. These percentages account for impairment, obsolescence and potential losses. The provision is reviewed at least annually and is based on the historical results of physical inventory checks.

#### 2.16

#### Non-controlling interests
Non-controlling interests are recorded in the consolidated statement of financial position within equity but separate from equity attributable to the owners of the Parent.

#### 2.17

#### Related party transactions
Transactions between the Company and its subsidiaries are part of the Company’s normal operations within its scope of business activities. Conditions for such transactions are normally effective for those types of operations with regard to terms and market prices. The maturity conditions vary according to the originating transaction.

39

### Notes to the Consolidated Interim Financial Statements

#### March 31, 2025

#### 2.18

#### Property, plant and equipment
Property, plant and equipment are stated at acquisition cost, net of the related accumulated depreciation, amortization and impairment losses that they might have experienced.

In addition to the price paid for the acquisition of property, plant and equipment, the Company