EXHIBIT 8.1



|                                                                                                |  |                         
|----------------------------------------------------------------------------------------------- |  | ------------------------
|Subsidiary                                                                                      |  | Country of incorporation
|Agenciamiento y Servicios Profesionales S.A. de C.V.                                            |  | Mexico                  
|Alto Paraná S.A.                                                                                |  | Argentina               
|Arauco Australia S.A.                                                                           |  | Australia               
|Arauco Bioenergía S.A.                                                                          |  | Chile                   
|Arauco Colombia S.A.                                                                            |  | Colombia                
|Arauco Denmark ApS                                                                              |  | Denmark                 
|Arauco Distribución S.A.                                                                        |  | Chile                   
|Arauco do Brasil S.A. (ex-Placas do Paraná S.A.)                                                |  | Brazil                  
|Arauco Ecuador S.A.                                                                             |  | Ecuador                 
|Arauco Florestal Arapoti S.A.                                                                   |  | Brazil                  
|Arauco Forest Brasil S.A.                                                                       |  | Brazil                  
|Arauco Forest Products B.V.                                                                     |  | The Netherlands         
|Arauco Holanda Cooperatief U.A.                                                                 |  | The Netherlands         
|Arauco Perú S.A.                                                                                |  | Peru                    
|Arauco Wood Products, Inc.                                                                      |  | U.S.A.                  
|Araucomex S.A. de C.V.                                                                          |  | Mexico                  
|Aserraderos Arauco S.A.                                                                         |  | Chile                   
|Bosques Arauco S.A.                                                                             |  | Chile                   
|Catan Empreendimentos e Participacoes S.A.                                                      |  | Brazil                  
|Controladora de Plagas Forestales S.A.                                                          |  | Chile                   
|Empreendimentos Florestais Santa Cruz Ltda. (ex-Lucchese Empreendimentos e Participacoes Ltda.) |  | Brazil                  
|Forestal Arauco S.A.                                                                            |  | Chile                   
|Forestal Celco S.A.                                                                             |  | Chile                   
|Forestal Cholguán S.A.                                                                          |  | Chile                   
|Forestal Concepcion S.A.                                                                        |  | Panama                  
|Forestal Los Lagos S.A.                                                                         |  | Chile                   
|Forestal Nuestra Señora del Carmen S.A.                                                         |  | Argentina               
|Forestal Valdivia S.A.                                                                          |  | Chile                   
|Industrias Forestales S.A.                                                                      |  | Argentina               
|Inversiones Arauco Internacional Ltda. (ex-Arauco Internacional S.A.)                           |  | Chile                   
|Inversiones Celco S.L.                                                                          |  | Spain                   
|Investigaciones Forestales Bioforest S.A.                                                       |  | Chile                   
|Leasing Forestal S.A.                                                                           |  | Argentina               
|Mahal Empreendimentos e Participacoes S.A.                                                      |  | Brazil                  
|Paneles Arauco S.A.                                                                             |  | Chile                   
|Savitar (Forestal Talavera S.A.)                                                                |  | Argentina               
|Servicios Logísticos Arauco S.A.                                                                |  | Chile