Usinas Siderurgicas de Minas Gerais Usiminas : Interest on net equity

Usiminas Sede

Rua Prof. José Vieira de Mendonça, 3.011

Engenho Nogueira

31310-260 Belo Horizonte, MG

T 55 31 3499-8000 F 55 31 3499-8899

www.usiminas.com

USINAS SIDERÚRGICAS DE MINAS GERAIS S/A - USIMINAS

CNPJ/MF 60.894.730/0001-05

NIRE 313.000.1360-0

Publicly Held Company

NOTICE TO THE MARKET

INTEREST ON EQUITY

USINAS SIDERÚRGICAS DE MINAS GERAIS S.A. - USIMINAS ("Usiminas" or "Company") hereby informs its shareholders and the market in general that, in a meeting held on December 28th, 2018, its Board of Directors approved the Executive Board of Officers proposal to distribute to the shareholders, in accordance with the Company's By-Laws and with the law in force, the gross amount of R$92,286,622.39 (ninety-two million, two hundred and eighty-six thousand, six hundred and twenty-two and thirty-nine cents) as Interest On Equity, corresponding to R$0.071988781 to each ordinary share and R$0.079187659 to each preferred share.

The Interest On Equity will be allocated to the value of the dividends distributed by the Company in relation to the 2018 fiscal year, integrating them for all legal purposes (§ 5th of art. 24 of the

Company's By-Laws).

The payment of the Interest on Equity will be made on May 31st, 2019 and will be based on the shareholding positions at the close of trading on January 07th, 2019. The Company's shares will be traded ex-interest-on-equity as of January 08th, 2019.

The payment of the Interest on Equity will be made on the net amount, after deducting withholding income tax in accordance with the prevailing legislation, except in the case of shareholders who are exempt from this tax and who present documented proof of said status to the Company, care of the Investor Relations department.

Belo Horizonte, January 02th, 2019.

Alberto Ono

Finance and Investors Relations Vice-President

Classificação da informação: Confidencial

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