Name of the Shareholder

Individual or Corporate Taxpayer's ID (CPF or CNPJ) of the Shareholder

E-mail address to forward a confirmation of receipt of the form by the Company to the shareholder

Instructions to complete the form

This Remote Voting Form (“Form”) must be completed if the shareholder wishes to exercise its remote voting right at the Annual Shareholders' Meeting of Companhia Siderúrgica Nacional (“ CSN ” or “Company ”), convened for April 27, 2018, at 11 a.m. (“ASM”) pursuant to CVM Instruction No. 481/2009 (“CVMI 481 ”), as amended.

The shareholder must complete all the fields in the Form, indicating its full name (or corporate name, if a legal entity), with the number of the Individual or Corporate Taxpayer's ID, as applicable, in addition to an email address for any contact.

For this Form to be considered valid and for the votes in it to be cast in the Company's ASM, the following instructions should be observed:

(i)                  All fields must be duly, legibly completed;

(ii)                 All the pages must be initialed by the shareholder; and

(iii)               At the end, the shareholder (or its legal representative, as applicable) must sign the form and notarize it.

The Form will be disregarded if it is sent directly to the Company without any of the formalities or documents requested.

If the Form is partially or incorrectly completed, the Company will compute only the items that have been correctly completed or rectified in a timely manner, specifically rejecting the items presenting completing problems.

The Forms will be accepted by the Company until April 20, 2018 (including this date).

Guidance to forward the Remote Voting Form

Shareholders who choose to exercise their remote voting right may: (i) complete this form and send it directly to the Company at the address below, together with the supporting documentation required by the Company; or (ii) transmit their voting instructions to the qualified service providers (in accordance with Article 21b, item II, of CVMI 481), who will forward the voting statements to the Central Depositary of BM&FBOVESPA.

If the shareholder chooses for sending the Form directly to the Company, it must submit the following documents to the Company's headquarters, to the Investor Relations Executive Officer:

a)                   Physical copy of the Form duly completed, initialed and notarized; and

b)                   Certified copies of the identification and representation documents, as shown below:

- Photo Identification of shareholders/legal representative (1) - for Individuals (I), Companies (C) and Investment Funds (IF).

-Contract or Bylaws updated and consolidated - for C and IF

-Proof of power of attorney * - for C and IF

-Updated and consolidated regulations – for IF

Shareholder who choose to exercise its remote voting right through the service providers, must transmit their voting instructions to their custodians or registrar agent of the Company's shares, provided that the rules established by them are observed. For this, the shareholders must contact their custody or registrar agents, as stated in item "6", and see what procedures were established by them for the transmission of remote voting instructions.

For shareholders who are an individual or legal entity domiciled abroad, all documents submitted must be translated and legalized by the Brazilian Consulate of their home country or filed at the authorized notary registry with the due Haya Note, so that all copies are certified and all the signatures are notarized.

Postal and e-mail address to send the Form, if the shareholder wishes to deliver the document directly to the Company's headquarter

Companhia Siderúrgica Nacional

Attn. Investor Relations Officer

Avenida Brigadeiro Faria Lima, nº 3.400, 20º andar, Itaim Bibi

São Paulo/SP

CEP 04538-132

Email: invrel@csn.com.br

Phone: (55) (11) 3079-7593

Indication of the institution hired by the Company to provide the registrar service of securities.

Itaú Corretora de Valores S.A.

Avenida Brigadeiro Faria Lima, 3.500, 3º andar – São Paulo CEP 04538-132

3003-9285 (capital and metropolitan areas)

0800 7209285 (other locations)

The service hours are on weekdays from 9 am to 6 pm.

E-mail: atendimentoescrituracao@itau-unibanco.com.br

1.       To take management accounts, examine, discuss and vote on the Company's Financial Statements for the fiscal year ended December 31, 2017

Approve [ ] Reject [ ] Abstain [ ]

2.     Establish the Management's overall annual compensation for the year of 2017, pursuant to the Management's Proposal.

Approve [ ] Reject [ ] Abstain [ ]

3.     Do you wish to request the installation of the Fiscal Council, pursuant to Article 161 of Law 6.404 of 1976?

Yes [ ] No [ ]