Company: SQM
Filing Date: 2025-04-24
Form Type: 20-F
Source: 0000909037-25-000020
Chunk: 113

Company: CHEMICAL & MINING CO OF CHILE INC
Filing Date: 2025-04-24
Form: 20-F
Item: Item 4A
Chunk 113
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 and Franja Oeste sectors. The reserves shown in these tables are calculated based on properties that are not involved in any legal disputes between SQM and other parties.
We maintain an ongoing program of exploration and resource evaluation on the land surrounding our production mines, and other sites for which we have the appropriate concessions.
The information presented in the table with respect to the Nueva Victoria, Pampa Orcoma and Pampa Blanca mines has been validated by the following QPs:
Mr. Marco Fazzi is a Geologist with more than 25 years of experience in the underground and open pit mining operations in metallic and non-metallic deposits. Currently, he works for SQM as a Mineral Resources and Long-Term Planning Manager. He has extensive experience in exploration geology, mineral control geology, geological modeling and resource and reserve estimation management. Mr. Fazzi is a Qualified Person as defined in subpart 1300 of Regulation S-K and is registered under No. 287 in the Public Registry of QPs in Mining Resources and Reserves, in accordance with Law No. 20,235 that regulates the role of QPs and creates the Qualifying Commission of Competences in Mining Resources and Reserves ("Law for QPs") and its current regulation in Chile. 
Mr. Freddy Ildefonso is a Geologist, and has been a Qualified Person, as defined in subpart 1300 of regulation S-K and is registered under No. 386 of the public Registry of Qualified Persons in Mining Resources and Reserves, in accordance with the law of QPs and its current regulation in Chile since 2019. He has more than 23 years of experience working in metallic (Copper and Gold) and non-metallic (Nitrate, Iodine and Borates) deposits in the areas of exploration geology, quality control, geological modeling, production geology and management of estimation and reporting of resources and reserves. He currently works as superintendent of Geosciences at SQM, leading areas of mining resources and long-term planning.
Mr. Gino Slanzi is a Civil Engineer. He is currently the General Manager for Inprotec SPA and Senior Consultant for Pares & Alvarez. He has worked for more than 35 years in the development of metallurgical mining projects, the optimization of production plants and on management models. He visited the site in 2022. Mr. Slanzi is a QP as defined in subpart 1300 of Regulation S-K and is registered under No.441 in the Public Registry