EXHIBIT 8.1

The following table sets forth our ownership interests in our subsidiaries as of December 31, 2021.

	Country of incorporation	Total stock held
Arauco Argentina S.A.	Argentina		99.9800
Arauco Australia Pty Ltd.	Australia		99.9990
Arauco Bioenergía S.A.	Chile		99.9990
Arauco Canada Ltd.	Canada		99.9990
Arauco Colombia S.A.	Colombia		99.9982
Arauco do Brasil S.A.	Brazil		99.9990
Arauco Europe Cooperatief U.A.	The Netherlands		99.9990
Arauco Florestal Arapoti S.A.	Brazil		99.9990
Arauco Forest Brasil S.A.	Brazil		99.9991
Arauco Participações Florestais Ltda.	Brazil		99.9991
Arauco Industria de México S.A. de C.V. (1)	Mexico		99.9990
Arauco Indústria de Painéis Ltda.	Brazil		99.9990
Arauco Middle East DMCC	Dubai		99.9990
Arauco North America, Inc.	U.S.A.		99.9990
Arauco Perú S.A.	Peru		99.9990
Arauco Wood (China) Company Limited	China		99.9990
Araucomex S.A. de C.V.	Mexico		99.9990
Araucomex Servicios S.A. de C.V. (2)	Mexico		99.9990
Consorcio Protección Fitosanitaria Forestal S.A.	Chile		56.4481
Empreendimentos Florestais Santa Cruz Ltda.	Brazil		99.9985
Forestal Arauco S.A.	Chile		99.9484
Forestal Cholguán S.A.	Chile		98.5814
Inversiones Arauco Internacional Ltda.	Chile		99.9990
Investigaciones Forestales Bioforest S.A.	Chile		99.9489
Leasing Forestal S.A.	Argentina		99.9800
Maderas Arauco Costa Rica S.A.	Costa Rica		99.9990
Maderas Arauco S.A.	Chile		99.9995
Mahal Empreendimentos e Participacoes S.A.	Brazil		99.9990
Novo Oeste Gestão de Ativos Florestais S.A.	Brazil		99.9990
ODD Industries SpA	Chile		86.6151
Servicios Aéreos Forestales Ltda.	Chile		99.9990
Servicios Logísticos Arauco S.A.	Chile		99.9997

Notes:

(1) On November 17, 2021, we executed the merger of Arauco Industria de México, S.A. de C.V., as the surviving company, and Tablered Araucomex, S.A. de C.V. and Arauco Química, S.A. de C.V. as disappearing companies.

(2) On November 20, 2021, we executed the merger of Araucomex Servicios, S.A. de C.V., as the surviving company, with Arauco Serviquimex, S.A. de C.V. and Agenciamiento y Servicios Profesionales, S.A. de C.V. as disappearing companies.