Equity interest (%)
Companies	12/31/2012	12/31/2011	Main activities	Jurisdiction
Direct interest: full consolidation
CSN Islands VII Corp.	100.00	100.00	Financial transactions	Grand Cayman/Cayman Island
CSN Islands VIII Corp.	100.00	100.00	Financial transactions	Grand Cayman/Cayman Island
CSN Islands IX Corp.	100.00	100.00	Financial transactions	Grand Cayman/Cayman Island
CSN Islands X Corp.	100.00	100.00	Financial transactions	Grand Cayman/Cayman Island
CSN Islands XI Corp.	100.00	100.00	Financial transactions	Grand Cayman/Cayman Island
CSN Islands XII Corp.	100.00	100.00	Financial transactions	Grand Cayman/Cayman Island
Tangua Inc. (1)		100.00	Financial transactions	Panama City/Panama
International Investment Fund	100.00	100.00	Equity interests and financial transactions	Belize city/Belize
CSN Minerals S. L.U.	100.00	100.00	Equity interests	Madrid/Spain
CSN Export Europe, S.L.U.(2)	100.00	100.00	Equity interests and financial transactions	Madrid/Spain
CSN Metals S.L.U.	100.00	100.00	Equity interests and financial transactions	Madrid/Spain
CSN Americas S.L.U.	100.00	100.00	Equity interests and financial transactions	Madrid/Spain
CSN Steel S.L.U.	100.00	100.00	Equity interests and financial transactions	Madrid/Spain
TdBB S.A	100.00	100.00	Dormant company	Panama City/Panama
Sepetiba Tecon S.A.	99.99	99.99	Port services	Itaguaí/RJ, Brazil
Mineração Nacional S.A.	99.99	99.99	Mining and equity interests	Congonhas/MG,Brazil
Florestal Nacional S.A.	99.99	99.99	Reforestation	São Paulo/SP, Brazil
Estanho de Rondônia S.A.	99.99	99.99	Tin mining	Ariquemes/RO, Brazil
Cia Metalic Nordeste	99.99	99.99	Manufacture of packaging and distribution of steel products	Maracanaú/CE, Brazil
Companhia Metalúrgica Prada	99.99	99.99	Manufacture of packaging and distribution of steel products	São Paulo/SP, Brazil
CSN Cimentos S.A.	99.99	99.99	Cement manufacturing	Volta Redonda/RJ, Brazil
CSN Gestão de Recursos Financeiros Ltda.	99.99	99.99	Dormant company	São Paulo/SP, Brazil
Congonhas Minérios S.A.	99.99	99.99	Mining and equity interests	Congonhas/MG,Brazil
CSN Energia S.A.	99.99	99.99	Sale of electric power	Rio de Janeiro/RJ, Brazil
Transnordestina Logística S.A.	76.13	70.91	Railroad logistics	Fortaleza/CE, Brazil
TFNE - Transnordestina Ferrovias do Nordeste S.A.	99.99		Railroad logistics	Fortaleza/CE, Brazil
Indirect interest: full consolidation
CSN Aceros S.A.	100.00	100.00	Equity interests	Panama City/Panama
Companhia Siderurgica Nacional LLC	100.00	100.00	Steel	Terre Haute/EUA
CSN Europe Lda.	100.00	100.00	Financial transactions, product sales and equity interests	Madeira Island/Portugal
CSN Ibéria Lda.	100.00	100.00	Financial transactions, product sales and equity interests	Madeira Island/Portugal
CSN Portugal, Unipessoal Lda.	100.00	100.00	Financial transactions and product sales	Madeira Island/Portugal
Lusosider Projectos Siderúrgicos S.A.	100.00	100.00	Equity interests	Seixal/Portugal
Lusosider Aços Planos, S. A.	99.94	99.94	Steel and equity interests	Seixal/Portugal
CSN Acquisitions, Ltd.	100.00	100.00	Financial transactions and equity interests	London/England
CSN Resources S.A.	100.00	100.00	Financial transactions and equity interests	Luxembourg/Grand Duchy of Luxembourg
CSN Finance (UK) Ltd (1)		100.00	Financial transactions and equity interests	London/England

 

CSN Holdings (UK) Ltd	100.00	100.00	Financial transactions and equity interests	London/England
CSN Handel GmbH (3)	100.00	100.00	Financial transactions, product sales and equity interests	Vienna/Austria
Companhia Brasileira de Latas (4)	59.17	59.17	Sale of cans and containers in general and equity interests	São Paulo/SP, Brazil
Rimet Empreendimentos Industriais e Comerciais S. A.(4)	58.08	58.08	Production and sale of steel containers and forestry	Resende/RJ, Brazil
Companhia de Embalagens Metálicas MMSA (4)	58.98	58.98	Production and sale of cans and related activities	Barra Mansa/RJ, Brazil
Empresa de Embalagens Metálicas - LBM Ltda. (4)	58.98	58.98	Sales of containers and holding interests in other entities	Barra Mansa/RJ, Brazil
Empresa de Embalagens Metálicas - MUD Ltda. (4)	58.98	58.98	Production and sale of household appliances and related products	São Paulo/SP, Brazil
Empresa de Embalagens Metálicas - MTM do Nordeste (4)	58.98	58.98	Production and sale of cans and related activities	São Paulo/SP, Brazil
Companhia de Embalagens Metálicas - MTM (4)	58.98	58.98	Production and sale of cans and related activities	Teresina/PI, Brazil
CSN Steel Comercializadora, S.L.U. (5)	100.00		Financial transactions, product sales and equity interests	Madrid/Spain
CSN Steel Holdings 1, S,L.U. (5)	100.00		Financial transactions, product sales and equity interests	Madrid/Spain
CSN Steel Holdings 2, S,L.U. (5)	100.00		Financial transactions, product sales and equity interests	Madrid/Spain
Stahlwerk Thüringen GmbH (5)	100.00		Manufacturing and sale of long steel and related activities	Unterwellenborn/Germany
CSN Steel Sections UK Limited (5)	100.00		Financial transactions, product sales and equity interests	Southend- on-sea/England
CSN Steel Sections Czech Republic s.r.o. (5)	100.00		Financial transactions, product sales and equity interests	Praha/Czech Republic
CSN Steel Sections Polska Sp.Z.o.o. (5)	100.00		Financial transactions, product sales and equity interests	Katowice/Poland
Direct interest: proportionate consolidation
Nacional Minérios S.A.	60.00	60.00	Mining and equity interests	Congonhas/MG, Brazil
Itá Energética S.A.	48.75	48.75	Generation of electric power	São Paulo/SP, Brazil
MRS Logística S.A.	27.27	27.27	Railroad transportation	Rio de Janeiro/RJ, Brazil
Consórcio da Usina Hidrelétrica de Igarapava	17.92	17.92	Electric power consortium	Belo Horizonte/MG, Brazil
Aceros Del Orinoco S.A.	22.73	22.73	Dormant company	Panama City/Panama
CBSI - Companhia Brasileira de Serviços de Infraestrutura (6)	50.00	50.00	Provision of services	Araucária/PR, Brazil
CGPAR - Construção Pesada S.A. (7)	50.00		Minning suport services and equity interests	Belo Horizonte/MG, Brazil
Indirect interest: proportionate consolidation
Namisa International Minerios, S.L.U.	60.00	60.00	Financial transactions, product sales and equity interests	Madrid/Spain
Namisa Europe, Unipessoal Lda.	60.00	60.00	Equity interests, sales of products and minerals	Madeira Island/Portugal
MRS Logística S.A.	6.00	6.00	Railroad transportation	Rio de Janeiro/RJ, Brazil
Aceros Del Orinoco S.A.	9.08	9.08	Dormant company	Panama City/Panama
Namisa Handel GmbH (3) (8)	60.00	60.00	Financial transactions, product sales and equity interests	Vienna/Austria
Direct interest: equity method

 

Arvedi Metalfer do Brasil S.A. (9)	20.00		Metallurgy and equity interests	Salto/SP,Brazil
(1) Liquidated Companies in 2012
(2)New corporate name of CSN Export S.à.r.l., changed on August 9, 2011.
(3) Companies that became subsidiaries on November 3, 2011.
(4) Companies that became subsidiaries on July 12, 2011.
(5)Companies that became subsidiaries on January 31, 2012.
(6)Equity interest acquired on December 5, 2011.
(7)  Equity interest acquired on July, 2012
(8)New corporate name of Aloadus Handel GmbH, changed on August 13, 2012.
(9) Equity interest acquired on July 31, 2012.
Other consolidations
	Interest held
Exclusive funds	12/31/2012	12/31/2011	Main activities
Direct interest: full consolidation
DIPLIC - Fundo de investimento multimercado	100.00	100.00	Investment fund
Mugen - Fundo de investimento multimercado	100.00	100.00	Investment fund
Caixa Vértice - Fundo de inverstimento multimercado crédito privado	100.00	100.00	Investment fund