Usinas Siderúrgicas de Minas Gerais S A : Measures arising from the drop in the economic activity ... caused by the spread of the new coronavirus

Usiminas Belo Horizonte Rua Prof. José Vieira de Mendonça, 3011 31310-260Belo Horizonte MG T 55 31 3499-8000F 55 31 3499-8899

(Free Translation: For reference only - Original in Portuguese)

www.usiminas.com

USINAS SIDERÚRGICAS DE MINAS GERAIS S.A. - USIMINAS

Publicly Traded Company

CNPJ/MF 60.894.730/0001-05

NIRE 313.000.1360-0

MATERIAL FACT

Usinas Siderúrgicas de Minas Gerais S.A. - USIMINAS ("Usiminas" or "Company")

in compliance with the provisions of article 157, paragraph 4th, of Law 6,404, of December 15th, 1976, as amended, and in the CVM Instruction No 358, of January 3rd, 2002, as amended, in complement to the Material Fact dated of 03.20.2020 and to the Notice to Market dated of 03.24.2020, informs to its shareholders and the general market, that, on the date hereof, its Board of Directors approved: (i) the shutdown of the Blast Furnace 2 of Ipatinga Plant, from April 4th; (ii) the shutdown of the Blast Furnace 1 of Ipatinga Plant, from April 22nd; (iii) the interruption of the activities of the Steelworks 1 of Ipatinga Plant, from the date of the shutdown of the Blast Furnace 2; and (iv) the temporary interruption of the activities of Cubatão Plant.

Such measures, of temporary manner, aim to adjust the production to the market demand, which is dropping due to the national economic downturn arising from the spread of the new coronavirus (COVID-19).

The Company clarifies that, after the implementation of the above measures, Ipatinga Plant will continue to operate with its other production lines, such as Blast Furnace 3, Steelworks 2, and rolling mills and galvanizing lines.

Also in compliance with the provisions of article 157, paragraph 4th, of Law 6,404/1976, and in the CVM Instruction No 358/2002 as well as in complement to the Material Fact dated of 02.14.2020, and also due to the national economic downturn arising from the spread of the new coronavirus (COVID-19), Usiminas informs that it has changed its projections of CAPEX investments for the year 2020, under the terms below:

Indicators (R$ million)	2020
Investments	600

The projections disclosed in this document are mere forecasts and reflect the management's current expectations regarding the future of Usiminas. However, such projections depends on factors and conditions of the market that are beyond Usiminas' control, and may, therefore, differ from the numbers and results to be effectively recorded by the Company in 2020.

Classificação da informação: Pública

Usiminas Belo Horizonte Rua Prof. José Vieira de Mendonça, 3011 31310-260Belo Horizonte MG T 55 31 3499-8000F 55 31 3499-8899

(Free Translation: For reference only - Original in Portuguese)

www.usiminas.com

Such projections will be included in section 11 of the Usiminas' Reference Form, which is available on the websites of the Brazilian Securities and Exchange Commission ("Comissão de Valores Mobiliários") (CVM) (www.cvm.gov.br) and the Company (www.ri.usiminas.com) in the regulatory term.

Usiminas reiterates that it continues to constantly evaluate the impacts of the spread of the new coronavirus (COVID-19) on its operations and will keep the market duly informed about future developments, in accordance with the applicable regulation.

Belo Horizonte, April 2nd, 2020.

Alberto Ono

Finance and Investors Relations Vice-President Officer

Classificação da informação: Pública