Corporate Interest (%)
Companies	12/31/2014	Main activities
Direct corporate interest in subsidiaries: full consolidation
CSN Islands VII Corp.	100.00	Financial Operations
CSN Islands IX Corp.	100.00	Financial Operations
CSN Islands X Corp.	100.00	Financial Operations
CSN Islands XI Corp.	100.00	Financial Operations
CSN Islands XII Corp.	100.00	Financial Operations
CSN Minerals S.L.U.	100.00	Equity participations
CSN Export Europe, S.L.U.	100.00	Equity participations and financial operations
CSN Metals S.L.U.	100.00	Equity participations and financial operations
CSN Americas S.L.U.	100.00	Equity participations and financial operations
CSN Steel S.L.U.	100.00	Equity participations and financial operations
TdBB S.A	100.00	Dormant company
Sepetiba Tecon S.A.	99.99	Port Services
Mineração Nacional S.A.	99.99	Mining and equity participations
Companhia Florestal do Brasil	99.99	Reforestation
Estanho de Rondônia S.A.	99.99	Tin Mining
Cia Metalic Nordeste	99.99	Package manufacturing and distribution of steel products
Companhia Metalúrgica Prada	99.99	Package manufacturing and distribution of steel products
CSN Cimentos S.A.	100.00	Cement manufacture
CSN Gestão de Recursos Financeiros Ltda.	99.99	Dormant company
Congonhas Minérios S.A.	99.99	Mining and equity participations
CSN Energia S.A.	99.99	Commercialization of electricity
FTL - Ferrovia Transnordestina Logística S.A.	88.41	Rail logistic
Indirect corporate interest in subsidiaries: full consolidation
Companhia Siderúrgica Nacional LLC	100.00	Steel metallurgy
CSN Europe Lda.	100.00	Financial Operations, commercialization of products and equity participations
CSN Ibéria Lda.	100.00	Financial Operations, commercialization of products and equity participations
Lusosider Projectos Siderúrgicos S.A.	99.94	Equity participations and commercialization of products
Lusosider Aços Planos, S. A.	99.99	Steel metallurgy and equity participations
CSN Acquisitions, Ltd.	100.00	Financial operations and equity participations
CSN Resources S.A.	100.00	Financial operations and equity participations
CSN Holdings (UK) Ltd	100.00	Financial operations and equity participations
CSN Handel GmbH	100.00	Financial Operations, commercialization of products and equity participations
Companhia Brasileira de Latas	100.00	Commercialization of cans and packaging in general and equity participations
Rimet Empreendimentos Industriais e Comerciais S. A.	100.00	Production and commercialization of steel containers and exploitation of forest activities
Companhia de Embalagens Metálicas MMSA	99.67	Production and commercialization of cans and related activities
Companhia de Embalagens Metálicas - MTM	99.67	Production and commercialization of cans and related activities
CSN Steel Holdings 1, S.L.U.	100.00	Financial Operations, commercialization of products and equity participations
CSN Steel Holdings 2, S.L.U.	100.00	Financial Operations, commercialization of products and equity participations
Stalhwerk Thüringen GmbH	100.00	Production and commercialization of long steel and related activities
CSN Steel Sections UK Limited	100.00	Dormant company
CSN Steel Sections Polska Sp.Z.o.o	100.00	Financial Operations, commercialization of products and equity participations
CSN Asia Limited (4)	100.00	Commercial Representation
Direct corporate interest in jointly-controlled companies: proportional consolidation
Itá Energética S.A.	48.75	Electricity production
CGPAR - Construção Pesada S.A.	50.00	Mining support services and equity participations
Consórcio da Usina Hidrelétrica de Igarapava	17.92	Consortium of electricity
Direct corporate interest in jointly-controlled companies: equity accounting
Nacional Minérios S.A.	60.00	Mining and equity participations
MRS Logística S.A.	27.27	Railway transportation
Aceros Del Orinoco S.A. (5)	31.82	Dormant company
CBSI - Companhia Brasileira de Serviços de Infraestrutura	50.00	Rendering of services
Transnordestina Logística S.A.	62.64	Rail logistics
Indirect corporate interest in jointly-controlled companies: equity accounting
Namisa International Minérios SLU	60.00	Financial Operations, commercialization of products and equity participations
Namisa Europe, Unipessoal Lda.	60.00	Equity participations and commercialization of products and iron ore
Namisa Handel GmbH	60.00	Financial Operations, commercialization of products and equity participations
MRS Logística S.A.	6.00	Railroad Transportation
Namisa Asia Limited (6)	60.00	Commercial Representation
Direct corporate interest in associate companies: equity accounting
Arvedi Metalfer do Brasil S.A.	20.00	Mettalurgy and equity interests