Company: SQM
Filing Date: 2025-11-10
Form Type: 6-K
Source: 0000909037-25-000040
Chunk: 1

Company: CHEMICAL & MINING CO OF CHILE INC
Filing Date: 2025-11-10
Form: 6-K
Chunk 1
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 soon as possible.

These commitments are consistent with SQM's established business practices in China. In line with the above, SQM estimates that, if these commitments had been in place between 2023 and this date, SQM's results would not have changed substantially.

About SQM

SQM is a global company that is listed on the New York Stock Exchange and the Santiago Stock Exchange (NYSE: SQM; Santiago Stock Exchange: SQM-B, SQM-A). SQM develops and produces diverse products for several industries essential for human progress, such as health, nutrition, renewable energy and technology through innovation and technological development. We aim to maintain our leading world position in the lithium, potassium nitrate, and iodine markets.

For further information, contact:

Gerardo Illanes: gerardo.illanes@sqm.com

Isabel Bendeck: isabel.bendeck@sqm.com

Megan Suitor: megan.suitor@sqm.com

Media contacts:

Lithium Division : Ignacia Lopez / ignacia.lopez@sqm.com

Iodine- Plant Nutrition Division: Carolina Guzman / carolina.guzman@sqm.com

International Lithium Divicion: Diana WearingSmith / diana.wearingsmith@sqm.com

### SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

| Date: November 10, 2025 |     | CHEMICAL AND MINING COMPANY OF CHILE INC. 
 (Registrant)                              
 /s/ Gerardo Illanes                       |
|:------------------------|:----|:------------------------------------------|
|                         |     | By: Gerardo Illanes                       |
|                         |     | CFO                                       |

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