Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.  

The

Securities Commission (CVM)

Rua Sete de Setembro, nº 111, 33º andar

Centro - Rio de Janeiro / RJ

Att.:    Mr. Guilherme Rocha Lopes

Business Monitoring Manager 2

Ref .:   Official Letter No. 78/2019 / CVM / SEP / GEA-2, dated March 6, 2019, requesting clarification on the news published in the media.

COMPANHIA SIDERÚRGICA NACIONAL ("CSN" or "Company"), in accordance with the above-mentioned letter, which contents of the query are transcribed below, present the clarifications requested:

"1.       We refer to the news published on the website VALOR ECONÔMICO on 03.06.2019 under the heading "CSN hires Citi for anticipated sale of US$ 1billion dollars of iron ore", which includes, among others, the following information:

"Steelmaker CSN has hired Citi to find a buyer for its future iron ore flow, according to two sources. The amount required in the mandate exceeds US$ 1 billion.

This business is a key part of CSN's deleveraging strategy. "Streaming (iron ore anticipated sale) is crucial for the company to raise capital and is an amount more relevant than the deal with Glencore," one source says.

"The ideal is to make a tranche of just over US$ 1 billion, but there is an alternative of dividing in two tranches," said the other source. Citi and CSN declined to comment.

2. In this regard, we require the manifestation on the veracity of the statements contained in the news and, if so, we request your statement on the reasons why you understood that the matter of Material Fact is not addressed, pursuant to CVM Instruction 358 / 02. "

The Company clarifies that it has been informing the market about its debt reduction plan in its teleconferences of results. As already informed, the Company evaluates several alternatives, which includes the anticipated sale of iron ore through a streaming structure.

In this sense, the Company, through its subsidiary CSN Mineração SA, confirms the hiring of Citi Bank as financial advisor to evaluate strategic options of this nature, and at this time, it is premature to elaborate scenarios on the outcome of this process, and there is no fact which deserves disclosure to the market in accordance with the legislation in force.

We are at your disposal for any further clarification that may be required.

São Paulo, March 7, 2019.

COMPANHIA SIDERÚRGICA NACIONAL

Marcelo Cunha Ribeiro

Executive Director of Finance and Investor Relations