| Tax ID No. | | Company | | Nature | | Country of origin | | Transaction | | 12/31/2017 | | 12/31/2016 | | 12/31/2015 | | |||
| | | | | | | | | | | ThUS$ | | ThUS$ | | ThUS$ | | |||
| Foreign | | Doktor Tarsa Tarim Sanayi As | | Associate | | Turkey | | Sale of products | | | 17,538 | | | 11,619 | | | 17,842 | |
| Foreign | | Ajay Europe S,A.R.L. | | Associate | | France | | Sale of products | | | 15,706 | | | 17,977 | | | 23,545 | |
| Foreign | | Ajay Europe S.A.R.L. | | Associate | | France | | Dividends | | | 969 | | | 1,338 | | | 1,748 | |
| Foreign | | Ajay North America LLC. | | Associate | | United States | | Sale of products | | | 13,206 | | | 12,865 | | | 15,618 | |
| Foreign | | Ajay North America LLC. | | Associate | | United States | | Dividends | | | 1,123 | | | 2,605 | | | 5,185 | |
| Foreign | | Abu Dhabi Fertilizer Industries WWL | | Associate | | United Arab Emirates | | Sale of products | | | 4,351 | | | 8,312 | | | 7,902 | |
| Foreign | | Charlee SQM Thailand Co. Ltd. | | Associate | | Thailand | | Sale of products | | | 5,102 | | | 3,798 | | | 5,557 | |
| Foreign | | Charlee SQM Thailand Co. Ltd. | | Associate | | Thailand | | Dividends | | | - | | | - | | | 296 | |
| 77,557,430-5 | | Sales de Magnesio Ltda. | | Associate | | Chile | | Sale of products | | | 45 | | | - | | | 1,187 | |
| 77,557,430-5 | | Sales de Magnesio Ltda. | | Associate | | Chile | | Dividends | | | - | | | - | | | 286 | |
| 77,557,430-5 | | Sales de Magnesio Ltda. | | Associate | | Chile | | Sale of services | | | - | | | - | | | 34 | |
| Foreign | | Kowa Company Ltd. | | Other related parties | | Japan | | Sale of products | | | 132,495 | | | 91,678 | | | 62,543 | |
| Foreign | | Kowa Company Ltd. | | Other related parties | | Japan | | Services received | | | - | | | - | | | (933) | |
| Foreign | | SQM Vitas Brasil Agroindustria | | Joint control or significant influence | | Brazil | | Sale of products | | | 31,137 | | | 17,686 | | | 32,019 | |
| Foreign | | SQM Vitas Peru S.A.C. | | Joint control or significant influence | | Peru | | Sale of products | | | 23,058 | | | 22,090 | | | 34,586 | |
| Foreign | | SQM Vitas Fzco. | | Joint venture | | United Arab Emirates | | Sale of products | | | 85 | | | 965 | | | 1,060 | |
| Foreign | | Sichuan SQM Migao Chemical Fertilizers Co Ltda. | | Joint venture | | China | | Sale of products | | | - | | | 9,950 | | | 22,624 | |
| Foreign | | Sichuan SQM Migao Chemical Fertilizers Co Ltda. | | Joint venture | | China | | Sale of services | | | 252 | | | 257 | | | - | |
| Foreign | | Coromandel SQM India | | Joint venture | | India | | Sale of products | | | 8,011 | | | 4,630 | | | 4,012 | |
| Foreign | | SQM Vitas Spain | | Joint venture | | Spain | | Sale of products | | | - | | | 5,528 | | | 8,587 | |
| Foreign | | SQM Vitas Plantacote B.V. | | Joint venture | | Netherlands | | Sale of products | | | - | | | 49 | | | 27 | |
| Foreign | | SQM Star Qingdao Corp Nutrition Co., Ltd. | | Joint venture | | China | | Sale of products | | | 200 | | | 166 | | | - | |
| Foreign | | SQM Vitas Holland B.V. | | Joint venture | | Holland | | Sale of products | | | - | | | 634 | | | - | |
| 79.049.778-9 | | Callegari Agrícola S.A. | | Other related parties | | Chile | | Sale of products | | | 210 | | | 44 | | | - | |
| Foreign | | Minera Exar S.A. | | Joint venture | | Argentina | | Loans | | | 11,000 | | | - | | | - | |
| Foreign | | Terra Tarsa Ukraine LLC | | Associate | | Turkey | | Sale of services | | | 1,218 | | | - | | | - | |
| Foreign | | Terra Tarsa Don LLC | | Joint venture | | Russian Federation | | Sale of products | | | 423 | | | - | | | - | |
| Foreing | | Plantacote N.V. | | Associate | | Belgium | | Sale of products | | | 2,108 | | | - | | | - | |