Company: SQM
Filing Date: 2025-06-12
Form Type: 6-K
Source: 0000909037-25-000030
Chunk: 8

Company: CHEMICAL & MINING CO OF CHILE INC
Filing Date: 2025-06-12
Form: 6-K
Chunk 8
---
 Ruta 5 Norte Highway - Antofagasta, Coya Sur Plant w/n - Maria Elena, kilometer 1760 Ruta 5 Norte Highway - Pozo Almonte, Salar de Atacama (Atacama Saltpeter deposit) potassium chloride plant w/n - San Pedro de Atacama, potassium sulfate plant at Salar de Atacama w/n – San Pedro de Atacama, Minsal Mining Camp w/n CL Plant CL, Potassium– San Pedro de Atacama, formerly the Iris Saltpeter office w/n, Commune of Pozo Almonte, Iquique; Level 1; 225 Dt Georges Tce Perth WA 6000, Australia.

#### 1.3

#### Codes of main activities
The codes of the main activities as established by the CMF, as follows:

• 1700 (Mining)

• 2200 (Chemical products)

• 1300 (Investment)

#### 1.4

### Description of the nature of operations and main activities
The products of the Company are mainly derived from mineral deposits found in northern Chile where mining takes place and caliche and brine deposits are processed.

(a) Specialty plant nutrition: Four main types of specialty plant nutrients are produced: potassium nitrate, sodium nitrate, sodium potassium nitrate and specialty blends. In addition, other specialty fertilizers are sold including third party products.

(b) Iodine: The Company produces iodine and iodine derivatives, which are used in a wide range of medical, pharmaceutical, agricultural and industrial applications, including x-ray contrast media, polarizing films for LCD and LED, antiseptics, biocides and disinfectants, in the synthesis of pharmaceuticals, electronics, pigments and dye components.

(c) Lithium: The Company produces lithium carbonate, which is used in a variety of applications, including electrochemical materials for batteries, frits for the ceramic and enamel industries, and it is an important ingredient in the manufacture of gunpowder, heat-resistant glass (ceramic glass), air conditioning chemicals, continuous casting powder for steel extrusion, primary aluminum smelting process, pharmaceuticals and lithium derivatives. We are also a leading supplier of lithium hydroxide, which is primarily used as an input for the lubricating greases industry and for certain cathodes for batteries.

17

### Notes to the Consolidated Interim Financial Statements

#### March 31, 2025
(d) Industrial