| Name | | Puertos y Logística S.A. | |
| Country | | Chile | |
| Functional Currency | | U.S. Dollar | |
| Corporate purpose | | Docking and warehousing operations for proprietary and third party use, cargo of all classes of goods, as well, as warehousing and transport operations. | |
| Ownership interest (%) | | 20.2767% | |
| | | 12-31-2017 | | 12-31-2016 | |
| | | | | | |
| Carrying amount | | ThU.S.$62,225 | | ThU.S.$61,505 | |
| Name | | Inversiones Puerto Coronel S.A. | |
| Country | | Chile | |
| Functional Currency | | U.S. Dollar | |
| Corporate purpose | | Investments in movables and real estate, acquisition of companies, securities and investment instruments, investment management and development and/or participation in all kind of businesses and companies related to industrial, shipping, forestry and commercial activities. | |
| Ownership interest (%) | | 50.0000% | |
| | | 12-31-2017 | | 12-31-2016 | |
| | | | | | |
| Carrying amount | | ThU.S.$47,619 | | ThU.S.$43,559 | |
| Name | | Servicios Corporativos Sercor S.A. | |
| Country | | Chile | |
| Functional Currency | | Chilean Pesos | |
| Corporate purpose | | Consulting services related to business management to Boards of Directors and Senior Management of all Arauco’s entities. | |
| Ownership interest (%) | | 20.0000% | |
| | | 12-31-2017 | | 12-31-2016 | |
| | | | | | |
| Carrying amount | | ThU.S.$ 191 | | ThU.S.$ 190 | |
| Name | | Genómica Forestal S.A. | |
| Country | | Chile | |
| Functional Currency | | Chilean Pesos | |
| Corporate purpose | | Developing forestry genomics, through the use of biotechnological, molecular and bioinformatics tools with the purpose of strengthening genetic programs so as to improve the competitive position of the Chilean forestry industry for priority tree species. | |
| Ownership interest (%) | | 25.0000% | |
| | | 12-31-2017 | | 12-31-2016 | |
| | | | | | |
| Carrying amount | | ThU.S.$(4) | | ThU.S.$(1) | |
| Name | | Consorcio Tecnológico Bioenercel S.A. | |
| Country | | Chile | |
| Functional Currency | | Chilean Pesos | |
| Corporate purpose | | Developing of technologies which will promote the development of a biofuels industry in Chile, obtained from lingo-cellulosic materials. The future execution of this sustainable project is financed by the Innova Chile Committee. | |
| Ownership interest (%) | | 20.0000% | |
| | | 12-31-2017 | | 12-31-2016 | |
| | | | | | |
| Carrying amount | | ThU.S.$6 | | ThU.S.$31 | |
| Name | | Vale do Corisco S.A. | |
| Country | | Brazil | |
| Functional Currency | | Brazilian Real | |
| Corporate purpose | | Management of forestry activities. | |
| Ownership interest (%) | | 49.0000% | |
| | | 12-31-2017 | | 12-31-2016 | |
| | | | | | |
| Carrying amount | | ThU.S.$48,921 | | ThU.S.$160,490 | |