SID / Companhia Siderúrgica Nacional - Depositary Receipt (Common Stock) - Depositi SEC, Relazione annuale, dichiarazione di delega

Companhia Siderúrgica Nacional - Depositary Receipt (Common Stock)
US ˙ NYSE ˙ US20440W1053

Statistiche di base
LEI 529900K40TEND42S0T46
CIK 1049659
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Companhia Siderúrgica Nacional - Depositary Receipt (Common Stock)
SEC Filings (Chronological Order)
Questa pagina fornisce un elenco completo e cronologico dei depositi SEC, esclusi i documenti di proprietà che forniamo altrove.
August 15, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2025Commission File Number 1-14732 COMPANHIA SIDERÚR

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2025Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

August 6, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2025Commission File Number 1-14732 COMPANHIA SIDERÚR

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2025Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

August 1, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2025Commission File Number 1-14732 COMPANHIA SIDERÚRGI

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2025Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigadei

July 31, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2025Commission File Number 1-14732 COMPANHIA SIDERÚRGI

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2025Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigadei

July 14, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2025Commission File Number 1-14732 COMPANHIA SIDERÚRGI

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2025Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigadei

May 30, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) Brazil 1-14732 (State or other jurisdiction of incorporation or organization) (Commission file number) Av. Brigadeiro Faria Lima, 3400, 20th Floor São Paulo, SP, Brazil 04538-132 (Address of principal exe

May 22, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2025Commission File Number 1-14732 COMPANHIA SIDERÚRGIC

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2025 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigadei

May 9, 2025 EX-16.1

May 08, 2025

EXHIBIT 16.1 May 08, 2025 U.S. Securities and Exchange Commission Office of the Chief Accountant 100 F Street, NE Washington, DC 20549 Re: COMPANHIA SIDERÚRGICA NACIONAL Dear Sir or Madam: We have read the Form 6-K of COMPANHIA SIDERÚRGICA NACIONAL dated May 08, 2025, and agree with the statements concerning our Firm contained therein. Very truly yours, /S/ GRANT THORNTON AUDITORES INDEPENDENTES L

May 9, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2025Commission File Number 1-14732 COMPANHIA SIDERÚRGIC

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2025 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigadei

May 9, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2025Commission File Number 1-14732 COMPANHIA SIDERÚRGIC

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2025 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigadei

May 1, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2025Commission File Number 1-14732 COMPANHIA SIDERÚRG

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2025Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigade

April 30, 2025 EX-13.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002

EXHIBIT 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), the undersigned officer of Companhia Siderúrgica Nacional (the “Company”), does hereby certify, to such officer’s know

April 30, 2025 20-F

As filed with the Securities and Exchange Commission on April 30, 2025 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

As filed with the Securities and Exchange Commission on April 30, 2025 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 30, 2025 EX-1.1

TO THE MINUTES OF THE ANNUAL AND EXTRAORDINARY GENERAL MEETING HELD ON APRIL 26, 2024 Restated Bylaws BYLAWS OF COMPANHIA SIDERÚRGICA NACIONAL CNPJ/ME 33.042.730/0001-04 NIRE 35.300.396.090 Chapter I NAME, PURPOSE, HEADQUARTERS AND DURATION

EXHIBIT 1.1 TO THE MINUTES OF THE ANNUAL AND EXTRAORDINARY GENERAL MEETING HELD ON APRIL 26, 2024 Restated Bylaws BYLAWS OF COMPANHIA SIDERÚRGICA NACIONAL CNPJ/ME 33.042.730/0001-04 NIRE 35.300.396.090 Chapter I NAME, PURPOSE, HEADQUARTERS AND DURATION Art 1. - Companhia Siderúrgica Nacional, a publicly-held company, founded on April 9, 1941, shall be governed by these Bylaws and by the legal prov

April 30, 2025 EX-12.1

CERTIFICATION

EXHIBIT 12.1 CERTIFICATION I, Benjamin Steinbruch, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Siderúrgica Nacional; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleadin

April 30, 2025 EX-13.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002

EXHIBIT 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), the undersigned officer of Companhia Siderúrgica Nacional (the “Company”), does hereby certify, to such officer’s know

April 30, 2025 EX-12.2

CERTIFICATION

EXHIBIT 12.2 CERTIFICATION I, Antonio Marco Campos Rabello, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Siderúrgica Nacional; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not

April 2, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2025Commission File Number 1-14732 COMPANHIA SIDERÚRG

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2025 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

March 28, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2025Commission File Number 1-14732 COMPANHIA SIDERÚRG

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2025 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

March 13, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2025Commission File Number 1-14732 COMPANHIA SIDERÚRG

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2025 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

January 21, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January, 2025Commission File Number 1-14732 COMPANHIA SIDERÚ

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January, 2025Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Briga

December 31, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2024Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

December 11, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2024Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2024Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

December 11, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2024Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2024Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

December 4, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2024Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

November 27, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2024Commission File Number 1-14732 COMPANHIA SIDER

6-K 1 siditr3q246k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's

November 20, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2024Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

November 15, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2024Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2024Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

November 14, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2024Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

November 6, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2024Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

November 6, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2024Commission File Number 1-14732 COMPANHIA SIDER

6-K 1 sid202411066k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant'

October 17, 2024 6-K/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K/A Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2024Commission File Number 1-14732 COMPANHIA SIDE

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K/A Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2024Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

October 16, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2024Commission File Number 1-14732 COMPANHIA SIDERÚ

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

September 18, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of September, 2024Commission File Number 1-14732 COMPANHIA SIDE

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of September, 2024Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

August 27, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2024Commission File Number 1-14732 COMPANHIA SIDERÚR

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2024Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

August 14, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2024Commission File Number 1-14732 COMPANHIA SIDERÚR

6-K 1 sid202408146k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's

August 13, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2024Commission File Number 1-14732 COMPANHIA SIDERÚR

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Briga

July 24, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRG

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigade

June 18, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June, 2024Commission File Number 1-14732 COMPANHIA SIDERÚRGI

FORM-6K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June, 2024Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av.

June 6, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2024Commission File Number 1-14732 COMPANHIA SIDERÚRGIC

FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2024Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av.

May 29, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) Brazil 1-14732 (State or other jurisdiction of incorporation or organization) (Commission file number) Av. Brigadeiro Faria Lima, 3400, 20th Floor São Paulo, SP, Brazil 04538-132 (Address of principal exe

May 16, 2024 CORRESP

As of December 31, 2021

May 16, 2024 VIA EDGAR TRANSMISSION Mr. John Coleman Mr. Craig Arakawa Ms. Melissa Gilmore Mr. Kevin Woody Division of Corporation Finance Office of Manufacturing U.S. Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-4631 Re: National Steel Company (Companhia Siderúrgica Nacional – CSN) Form 20-F for the fiscal year ended December 31, 2022 File No. 001-14732 Response to

May 14, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2024Commission File Number 1-14732 COMPANHIA SIDERÚRGIC

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigadei

May 2, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2024Commission File Number 1-14732 COMPANHIA SIDERÚRGIC

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigadei

May 2, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2024Commission File Number 1-14732 COMPANHIA SIDERÚRGIC

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigadei

May 1, 2024 20-F

As filed with the Securities and Exchange Commission on April 30, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

As filed with the Securities and Exchange Commission on April 30, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 1, 2024 EX-13.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002

EXHIBIT 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), the undersigned officer of Companhia Siderúrgica Nacional (the “Company”), does hereby certify, to such officer’s know

May 1, 2024 EX-12.2

CERTIFICATION

EXHIBIT 12.2 CERTIFICATION I, Antonio Marco Campos Rabello, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Siderúrgica Nacional; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not

May 1, 2024 EX-12.1

CERTIFICATION

EXHIBIT 12.1 CERTIFICATION I, Benjamin Steinbruch, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Siderúrgica Nacional; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleadin

May 1, 2024 EX-13.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002

EXHIBIT 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), the undersigned officer of Companhia Siderúrgica Nacional (the “Company”), does hereby certify, to such officer’s know

May 1, 2024 EX-97.1

ATTESTATION AND ACKNOWLEDGEMENT OF POLICY FOR THE RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION

EXHIBIT 97.1 NG1000.34 BOARD OF DIRECTORS Version 1 POLICY FOR THE RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION Date 01/12/2023 1. PURPOSE In accordance with the applicable rules of The New York Stock Exchange Listed Company Manual Rule 303A.14 (the “NYSE Rules”), Section 10D and Rule 10D-1 of the Securities Exchange Act of 1934, as amended (the “Exchange Act” and “Rule 10D-1”), the Board of Direc

April 30, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2024Commission File Number 1-14732 COMPANHIA SIDERÚRG

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

April 26, 2024 20-F/A

As filed with the Securities and Exchange Commission on April 25, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F/A

As filed with the Securities and Exchange Commission on April 25, 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

April 26, 2024 EX-96.2

EX-96.2

Report for Companhia Siderúrgica Nacional (CSN) Technical Report Summary– S-K 1300 Casa de Pedra Mining Complex Mineral Resources and Mineral Reserves Project number 24687 April 2024 Companhia Siderúrgica Nacional Technical Report Summary– S-K 1300 www.

April 12, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2024Commission File Number 1-14732 COMPANHIA SIDERÚRG

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

April 2, 2024 CORRESP

Av. Brigadeiro Faria Lima, 3400 – 20th Floor Faria Lima Financial Center 04538-132 – São Paulo – SP

April 2, 2024 VIA EDGAR TRANSMISSION Mr. John Coleman Mr. Craig Arakawa Ms. Melissa Gilmore Mr. Kevin Woody Division of Corporation Finance Office of Manufacturing U.S. Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-4631 Re: National Steel Company (Companhia Siderúrgica Nacional – CSN) Form 20-F for the fiscal year ended December 31, 2022 File No. 001-14732 Response t

March 18, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2024Commission File Number 1-14732 COMPANHIA SIDERÚRG

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

March 7, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2024Commission File Number 1-14732 COMPANHIA SIDERÚRG

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

March 6, 2024 CORRESP

Av. Brigadeiro Faria Lima, 3400 – 20th Floor Faria Lima Financial Center 04538-132 – São Paulo – SP

March 6, 2024 VIA EDGAR TRANSMISSION Mr. John Coleman Mr. Craig Arakawa Ms. Melissa Gilmore Mr. Kevin Woody Division of Corporation Finance Office of Manufacturing U.S. Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-4631 Re: National Steel Company (Companhia Siderúrgica Nacional – CSN) Form 20-F for the fiscal year ended December 31, 2022 File No. 001-14732 Response t

February 23, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February, 2024Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

February 9, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February 2024 Commission File Number 1-14732 C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of registrant’s name into Eng

February 8, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February 2024 Commission File Number 1-14732 C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of registrant’s name into Eng

February 6, 2024 CORRESP

Av. Brigadeiro Faria Lima, 3400 – 20th Floor Faria Lima Financial Center 04538-132 – São Paulo – SP

February 6, 2024 VIA EDGAR TRANSMISSION Mr. John Coleman Mr. Craig Arakawa Ms. Melissa Gilmore Mr. Kevin Woody Division of Corporation Finance Office of Manufacturing U.S. Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-4631 Re: National Steel Company (Companhia Siderúrgica Nacional – CSN) Form 20-F for the fiscal year ended December 31, 2022 File No. 001-14732 Respons

January 16, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January, 2024Commission File Number 1-14732 COMPANHIA SIDERÚ

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January, 2024 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

January 8, 2024 CORRESP

Av. Brigadeiro Faria Lima, 3400 – 20th Floor Faria Lima Financial Center 04538-132 – São Paulo – SP

January 8, 2024 VIA EDGAR TRANSMISSION Mr. Ken Schuler Mr. Craig Arakawa Ms. Melissa Gilmore Mr. Kevin Woody Division of Corporation Finance Office of Manufacturing U.S. Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-4631 Re: National Steel Company (Companhia Siderúrgica Nacional – CSN) Form 20-F for the fiscal year ended December 31, 2022 File No. 001-14732 Response

December 28, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2023Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2023 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

December 28, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2023Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2023 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

December 21, 2023 CORRESP

Av. Brigadeiro Faria Lima, 4100 | São Paulo, SP 04538-132 Brazil T: 55.11.3927.7702

Av. Brigadeiro Faria Lima, 4100 | São Paulo, SP 04538-132 Brazil T: 55.11.3927.7702 [email protected] December 21, 2023 VIA EDGAR TRANSMISSION Mr. Ken Schuler Mr. Craig Arakawa Ms. Melissa Gilmore Mr. Kevin Woody Division of Corporation Finance Office of Manufacturing U.S. Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-4631 Re: National Steel Company (Companhia S

December 15, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2023Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2023 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

December 6, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December 2023 Commission File Number 1-14732 C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December 2023 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of registrant’s name into Eng

December 1, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November 2023 Commission File Number 1-14732 C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November 2023 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of registrant’s name into Eng

November 29, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November 2023 Commission File Number 1-14732 C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November 2023 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of registrant’s name into Eng

November 28, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November 2023 Commission File Number 1-14732 C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November 2023 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of registrant’s name into Eng

November 14, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2023Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

November 14, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2023Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

November 14, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2023Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

October 30, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2023Commission File Number 1-14732 COMPANHIA SIDERÚ

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Briga

August 29, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2023Commission File Number 1-14732 COMPANHIA SIDERÚR

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2023 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Briga

August 3, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2023Commission File Number 1-14732 COMPANHIA SIDERÚR

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

May 22, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRGIC

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigadeir

May 8, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) Brazil 1-14732 (State or other jurisdiction of incorporation or organization) (Commission file number) Av. Brigadeiro Faria Lima, 3400, 20th Floor São Paulo, SP, Brazil 04538-132 (Address of principal exe

May 4, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRGIC

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigadeir

April 28, 2023 EX-13.1

Section 906 Certification of Chief Executive Officer.

EXHIBIT 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), the undersigned officer of Companhia Siderúrgica Nacional (the “Company”), does hereby certify, to such officer’s know

April 28, 2023 EX-12.2

Section 302 Certification of Chief Financial Officer.

EXHIBIT 12.2 CERTIFICATION I, Marcelo Cunha Ribeiro, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Siderúrgica Nacional; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not mislead

April 28, 2023 EX-13.2

Section 906 Certification of Chief Financial Officer.

EXHIBIT 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), the undersigned officer of Companhia Siderúrgica Nacional (the “Company”), does hereby certify, to such officer’s know

April 28, 2023 EX-96.2

Technical Report Summary for Casa de Pedra Operations.

Report for Companhia Siderúrgica Nacional (CSN) Technical Report Summary– S-K 1300 Casa de Pedra Mining Complex Mineral Resources and Mineral Reserves Project number 24687 October 2022 Companhia Siderúrgica Nacional Technical Report Summary– S-K 1300 www.

April 28, 2023 20-F

As filed with the Securities and Exchange Commission on April 27, 2023 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

As filed with the Securities and Exchange Commission on April 27, 2023 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 28, 2023 EX-12.1

Section 302 Certification of Chief Executive Officer.

EXHIBIT 12.1 CERTIFICATION I, Benjamin Steinbruch, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Siderúrgica Nacional; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleadin

April 28, 2023 EX-11.1

Policy for the Disclosure of Material Facts and the Trading of Securities Issued by CSN.

Policy for the Disclosure of Material Facts and the Trading of Securities Issued by COMPANHIA SIDERÚRGICA NACIONAL Publicly-Held Company CNPJ/MF No.

April 28, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRG

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigade

April 24, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRG

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigade

March 31, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRG

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigade

March 31, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRG

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigade

March 29, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRG

6-K 1 sid202303296k.htm FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant

March 9, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRG

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2023Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigade

January 13, 2023 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January, 2023Commission File Number 1-14732 COMPANHIA SIDERÚ

6-K 1 sid202301136k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January, 2023 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's

December 27, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2022Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2022Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

December 23, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2022Commission File Number 1-14732 COMPANHIA SIDER

6-K 1 sid202212236k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2022 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant'

December 23, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2022Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

December 21, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2022Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2022 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

December 15, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2022Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2022 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

November 30, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2022Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

November 25, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2022Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

November 22, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2022Commission File Number 1-14732 COMPANHIA SIDER

6-K 1 sid202211216k1.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2022 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant

November 22, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2022Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

November 16, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2022Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

November 1, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2022Commission File Number 1-14732 COMPANHIA SIDERÚ

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

November 1, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2022Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

November 1, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2022Commission File Number 1-14732 COMPANHIA SIDERÚ

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

October 21, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2022Commission File Number 1-14732 COMPANHIA SIDERÚ

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

October 7, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2022Commission File Number 1-14732 COMPANHIA SIDERÚ

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

September 7, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of September, 2022Commission File Number 1-14732 COMPANHIA SIDE

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of September, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Br

August 31, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2022Commission File Number 1-14732 COMPANHIA SIDERÚR

6-K 1 siditr2q226k.htm FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2022 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registran

August 18, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2022Commission File Number 1-14732 COMPANHIA SIDERÚR

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Briga

August 17, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2022Commission File Number 1-14732 COMPANHIA SIDERÚR

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Briga

August 16, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2022Commission File Number 1-14732 COMPANHIA SIDERÚR

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Briga

August 16, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2022Commission File Number 1-14732 COMPANHIA SIDERÚR

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2022 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Briga

August 1, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2022Commission File Number 1-14732 COMPANHIA SIDERÚRGI

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigade

July 26, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2022Commission File Number 1-14732 COMPANHIA SIDERÚRGI

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigade

July 5, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2022Commission File Number 1-14732 COMPANHIA SIDERÚRGI

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigade

July 1, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June, 2022Commission File Number 1-14732 COMPANHIA SIDERÚRGI

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigade

June 17, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June, 2022Commission File Number 1-14732 COMPANHIA SIDERÚRGI

6-K 1 siditr1q226k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June, 2022 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's nam

May 31, 2022 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) Brazil 1-14732 (State or other jurisdiction of incorporation or organization) (Commission file number) (IRS employer identification no.) Av. Brigadeiro Faria Lima, 3400, 19th Floor S?o Paulo, SP, Brazil 0

May 19, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2022Commission File Number 1-14732 COMPANHIA SIDERÚRGIC

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigadei

May 18, 2022 EX-96.2

Technical Report Summary for Sergipe, Pará, Ceará and Paraná Operations.

Exhibit 96.2

May 18, 2022 EX-99.3

Technical Report Summary for Casa de Pedra Operations.

1 Technical Report Summary for Casa de Pedra Operations Exhibit 96.3 INDEX 1. Introduction 3 2. Geology 4 3. Mineral Resources 7 4. Mineral Reserves 11 2 Technical Report Summary for Casa de Pedra Operations Exhibit 96.3 Introduction The Casa de Pedra (CdP) is an iron ore mining complex owned by CSN. The mining operations are located in the municipality of Congonhas, State of Minas Gerais, approxi

May 18, 2022 EX-96.1

Technical Report Summary for Arcos Operations.

Exhibit 96.1

May 18, 2022 20-F

As filed with the Securities and Exchange Commission on May 17, 2022 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

As filed with the Securities and Exchange Commission on May 17, 2022 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 18, 2022 EX-13.1

Section 906 Certification of Chief Executive Officer.

EXHIBIT 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), the undersigned officer of Companhia Siderúrgica Nacional (the “Company”), does hereby certify, to such officer’s know

May 18, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2022Commission File Number 1-14732 COMPANHIA SIDERÚRGIC

6-K 1 sid202205186k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2022 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's nam

May 18, 2022 EX-12.1

Section 302 Certification of Chief Executive Officer.

EXHIBIT 12.1 CERTIFICATION I, Benjamin Steinbruch, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Siderúrgica Nacional; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleadin

May 18, 2022 EX-13.2

Section 906 Certification of Chief Financial Officer.

EXHIBIT 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), the undersigned officer of Companhia Sider?rgica Nacional (the ?Company?), does hereby certify, to such officer?s know

May 18, 2022 EX-12.2

Section 302 Certification of Chief Financial Officer.

EXHIBIT 12.2 CERTIFICATION I, Marcelo Cunha Ribeiro, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Siderúrgica Nacional; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not mislead

May 5, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2022Commission File Number 1-14732 COMPANHIA SIDERÚRGIC

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2022 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigadei

May 2, 2022 NT 20-F

COMPANHIA SIDERÚRGICA NACIONAL (NATIONAL STEEL COMPANY) (Name of Registrant as specified in charter)

NT 20-F 1 sid2022050212b25.htm NT 20-F UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING SEC FILE NUMBER 001-14732 CUSIP NUMBER (Check One): o Form 10-K þ Form 20-F o Form 11-K o Form 10-Q o Form 10-D o Form N-SAR o Form N-CSR 20440W105 For Period Ended: December 31, 2021 c Transition Report on Form 10-K c Transition Report on Form 20-F

April 5, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2022Commission File Number 1-14732 COMPANHIA SIDERÚRG

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

March 14, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2022Commission File Number 1-14732 COMPANHIA SIDERÚRG

6-K 1 sid202203116k.htm SID202203116K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2022 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Regi

March 10, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2022Commission File Number 1-14732 COMPANHIA SIDERÚRG

6-K 1 sidpr4q216k.htm SIDPR4Q216K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2022 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registra

March 8, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2022Commission File Number 1-14732 COMPANHIA SIDERÚRG

6-K 1 sid202203086k.htm FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2022 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registran

February 24, 2022 EX-99.(A)

Amended and Restated Deposit Agreement, among Companhia Siderúrgica Nacional, Citibank, N.A., as depositary, and the holders and beneficial owners of American Depositary Shares issued thereunder, incorporated in this annual report by reference from our Registration Statement on Form F-6 filed with the SEC on February 24, 2022.

Exhibit (a) CITIBANK AMENDED AND RESTATED DEPOSIT AGREEMENT by and among COMPANHIA SIDER?RGICA NACIONAL and CITIBANK, N.

February 24, 2022 F-6

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM F-6 REGISTRATION STATEMENT THE SECURITIES ACT OF 1933 FOR AMERICAN DEPOSITARY SHARES EVIDENCED BY AMERICAN DEPOSITARY RECEIPTS COMPANHIA SIDERÚRGICA NACIONAL (Exact name of issuer of depo

As filed with the Securities and Exchange Commission on February 24, 2022 Registration No.

February 24, 2022 EX-99.(D)

Exhibit (d)

Exhibit (d) February 24, 2022 Citibank, N.A. ? ADR Department 388 Greenwich Street New York, New York 10013 Ladies and Gentlemen: We refer to the Registration Statement on Form F-6 (the ?Registration Statement?) to be filed with the Securities and Exchange Commission (the ?SEC?) by the legal entity created by the Deposit Agreement (as hereinafter defined) for the purpose of registering under the U

February 17, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February 2022 Commission File Number 1-14732 C

6-K 1 sid202202176k.htm SID202202176K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February 2022 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Tra

February 4, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February 2022 Commission File Number 1-14732 C

6-K 1 sid202202046k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February 2022 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translat

February 3, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January, 2022Commission File Number 1-14732 COMPANHIA SIDERÚ

6-K 1 csn202202036k.htm FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January, 2022 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registr

January 20, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2021Commission File Number 1-14732 COMPANHIA SIDER

6-K 1 sid202112096k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2021 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant'

January 20, 2022 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January, 2022Commission File Number 1-14732 COMPANHIA SIDERÚ

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January, 2022 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

December 7, 2021 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2021Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

November 24, 2021 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2021Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2021 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

November 4, 2021 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2021Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2021 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

November 4, 2021 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2021Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

September 10, 2021 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of September, 2021Commission File Number 1-14732 COMPANHIA SIDE

6-K 1 sid202109106k.htm FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of September, 2021 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Regis

August 17, 2021 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2021Commission File Number 1-14732 COMPANHIA SIDERÚR

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Briga

July 28, 2021 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2021Commission File Number 1-14732 COMPANHIA SIDERÚRGI

6-K 1 sidpr2q216k.htm 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2021 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name

June 30, 2021 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June, 2021Commission File Number 1-14732 COMPANHIA SIDERÚRGI

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigade

June 22, 2021 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June, 2021Commission File Number 1-14732 COMPANHIA SIDERÚRGI

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigade

June 22, 2021 6-K/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K/A Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June, 2021Commission File Number 1-14732 COMPANHIA SIDERÚR

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K/A Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Briga

June 11, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June 2021 Commission File Number 1-14732 COMPA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of registrant?s name into English

June 11, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June 2021 Commission File Number 1-14732 COMPA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of registrant?s name into English

June 4, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June 2021 Commission File Number 1-14732 COMPA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of registrant?s name into English

June 3, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June 2021 Commission File Number 1-14732 COMPA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of registrant?s name into English

June 2, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June 2021 Commission File Number 1-14732 COMPA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of registrant?s name into English

June 1, 2021 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) The Federative Republic of Brazil 1-14732 (State or other jurisdiction of incorporation or organization) (Commission file number) (IRS employer identification no.) Av. Brigadeiro Faria Lima, 3400, 19th Fl

May 18, 2021 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2021Commission File Number 1-14732 COMPANHIA SIDERÚRGIC

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigadei

May 10, 2021 6-K

Current Report of Foreign Issuer - SIDITR1Q21_6K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigadei

May 3, 2021 6-K

Current Report of Foreign Issuer - SIDFS2020_6K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

April 29, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

April 29, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

April 29, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

April 19, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

April 19, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigad

April 13, 2021 EX-4.1

Investment Agreement, dated November 21, 2014, among Companhia Siderúrgica Nacional, Brazil Japan Iron Ore Corporation, POSCO, China Steel Corporation, Congonhas Minérios S.A. and Nacional Minérios S.A., as amended on November 15, 2015 and restated on November 27, 2015.

Execution Version INVESTMENT AGREEMENT among COMPANHIA SIDER?RGICA NACIONAL, BRAZIL JAPAN IRON ORE CORPORATION, POSCO, CHINA STEEL CORPORATION, CONGONHAS MIN?RIOS S.

April 13, 2021 20-F

- SIDFORM20F_2020

As filed with the Securities and Exchange Commission on April 12, 2021 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 13, 2021 EX-12.2

Section 302 Certification of Chief Financial Officer.

EXHIBIT 12.2 CERTIFICATION I, Marcelo Cunha Ribeiro, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Siderúrgica Nacional; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not mislead

April 13, 2021 EX-12.1

Section 302 Certification of Chief Executive Officer.

EXHIBIT 12.1 CERTIFICATION I, Benjamin Steinbruch, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Siderúrgica Nacional; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleadin

April 13, 2021 EX-4.2

Amendment, dated December 6, 2019, among Companhia Siderúrgica Nacional, Japão Brasil Minério de Ferro Participações Ltda., POSCO, China Steel Corporation and CSN Minérios Nacional S.A., to the Investment Agreement (Exhibit 4.1).

AMENDMENT TO THE INVESTMENT AGREEMENT among COMPANHIA SIDER?RGICA NACIONAL, JAP?O BRASIL MIN?RIO DE FERRO PARTICIPA??ES LTDA, POSCO, CHINA STEEL CORPORATION, and CSN MIN?RIOS NACIONAL S.

April 13, 2021 EX-13.2

Section 906 Certification of Chief Financial Officer.

EXHIBIT 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), the undersigned officer of Companhia Sider?rgica Nacional (the ?Company?), does hereby certify, to such officer?s know

April 13, 2021 EX-13.1

Section 906 Certification of Chief Executive Officer.

EXHIBIT 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF 2002 Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), the undersigned officer of Companhia Sider?rgica Nacional (the ?Company?), does hereby certify, to such officer?s know

February 23, 2021 6-K

Current Report of Foreign Issuer - SIDPR4Q20_6K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

February 23, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

February 23, 2021 6-K

Current Report of Foreign Issuer - SID20210222_6K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

February 17, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of registrant?s name into Eng

February 12, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February, 2021 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

January 15, 2021 6-K

Current Report of Foreign Issuer - SID20210115_6K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January, 2021Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Briga

December 23, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

December 10, 2020 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2020 Commission File Number 1-14732 COMPANHIA SIDE

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2020 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

December 10, 2020 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2020Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2020 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

December 9, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

December 7, 2020 6-K

Current Report of Foreign Issuer - SID20201207_6K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

December 2, 2020 CORRESP

-

December 2, 2020 VIA EDGAR TRANSMISSION Ms. Melissa Gilmore Mr. Jean Yu Division of Corporation Finance Office of Manufacturing United States Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-4631 Re: National Steel Company Form 20-F for the fiscal year ended December 31, 2019 Filed on April 3, 2020 File No. 001-14732 Response to Staff Comment Letter Dated November 17, 2

November 19, 2020 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2020Commission File Number 1-14732 COMPANHIA SIDER

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2020 Commission File Number 1-14732 COMPANHIA SIDER?RGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

November 11, 2020 6-K

Current Report of Foreign Issuer - SID20201110_6K1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of registrant’s name into Eng

November 10, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of registrant’s name into Eng

November 5, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

November 3, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

October 19, 2020 EX-99.(A)

TABLE OF CONTENTS

J.P.Morgan J.P.Morgan TABLE OF CONTENTS Page PARTIES 1 RECITALS 1 Section 1. Certain Definitions (a) ADR Register 1 (b) ADRs; Direct Registration ADRs 1 (c) ADS 2 (d) Beneficial Owner 2 (e) Brazil 2 (f) Bylaws 2 (g) Central Bank 2 (h) Commission 2 (i) Custodian 2 (j) CVM 2 (k) Deliver, execute, issue et al. 3 (l) Delivery Order 3 (m) Deposited Securities 3 (n) Direct Registration System 3 (o) Hold

October 19, 2020 F-6 POS

Form of Amended and Restated Deposit Agreement, among Companhia Siderúrgica Nacional, JP Morgan Chase Bank, N.A., as depositary, and all holders and beneficial owners of American Depositary Receipts issued thereunder, incorporated in this annual report by reference from our Registration Statement on Form F-6POS filed with the SEC on October 19, 2020.

As filed with the U.S. Securities and Exchange Commission on October 19, 2020 Registration No. 333-165772 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST EFFECTIVE AMENDMENT NO. 2 TO FORM F-6 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 For Depositary Shares Evidenced by American Depositary Receipts COMPANHIA SIDERÚRGICA NACIONAL (Exact name of issuer of deposited securit

October 19, 2020 EX-99.(E)

Certification under Rule 466

Certification under Rule 466 The depositary, JPMorgan Chase Bank, N.A., represents and certifies the following: (1) That it previously had filed a registration statement on Form F-6Pos (Companhia Siderúrgica Nacional 333-165772) that the Commission declared effective, with terms of deposit identical to the terms of deposit of this registration statement. (2) That its ability to designate the date

October 19, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

October 16, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

October 16, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brig

October 15, 2020 6-K

Current Report of Foreign Issuer - SIDPR3Q20_6K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of October, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Briga

September 21, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 sid202009216k1.htm FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of September, 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Regi

September 21, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of September, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Bri

September 21, 2020 EX-99.1

COMPANHIA SIDERÚRGICA NACIONAL MINUTES OF THE BOARD OF DIRECTORS’ MEETING HELD ON SEPTEMBER 18, 2020

Exhibit 99.1 COMPANHIA SIDERÚRGICA NACIONAL MINUTES OF THE BOARD OF DIRECTORS’ MEETING HELD ON SEPTEMBER 18, 2020 1. DATE, TIME AND PLACE: September 18, 2020, at 9:00 p.m., at the headquarters of Companhia Siderúrgica Nacional (the “Company”), at Avenida Brigadeiro Faria Lima, 3400, 20th floor, in the City of São Paulo, State of Sao Paulo. 2. CALL NOTICE: Waived in view of the presence of all memb

September 21, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of September 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of registrant’s name into En

August 26, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Briga

August 13, 2020 6-K

Current Report of Foreign Issuer - SIDITR2Q20_6K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of August, 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Briga

July 29, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigade

July 29, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigade

July 29, 2020 6-K

Current Report of Foreign Issuer - SID20200728_6K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registrant's name into English) Av. Brigadei

July 21, 2020 6-K/A

Current Report of Foreign Issuer - FORM 6-K/A

sid202007206ka.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K/A Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Com

July 16, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

sid202007166k.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of July, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Compan

June 22, 2020 6-K/A

Current Report of Foreign Issuer - SIDITR1Q20_6KA

6-K/A 1 siditr1q206ka.htm SIDITR1Q206KA SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K/A Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of

June 15, 2020 6-K

Current Report of Foreign Issuer - SIDITR1Q20_6K

6-K 1 siditr1q206k.htm SIDITR1Q206K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June, 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Registr

June 9, 2020 6-K

Current Report of Foreign Issuer - SID20200608_6K

sid202006086k.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Compan

May 29, 2020 6-K

Current Report of Foreign Issuer - SID20200529_6K

sid202005296k.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company

May 26, 2020 6-K

Current Report of Foreign Issuer - SID20200522_6K

sid202005226k.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company

May 15, 2020 6-K

Current Report of Foreign Issuer - SID20200514_6K

sid202005146k.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company

May 15, 2020 6-K

Current Report of Foreign Issuer - SID20200515_6K

sid202005156k.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company

May 15, 2020 6-K

Current Report of Foreign Issuer - FORM 6-K

sidpr1q206k.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (

May 5, 2020 SD

- FORM SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) The Federative Republic of Brazil 1-14732 (State or other jurisdiction of incorporation or organization) (Commission file number) (IRS employer identification no.) Av. Brigadeiro Faria Lima, 3400, 19th Fl

May 1, 2020 6-K

Current Report of Foreign Issuer - SID20200430_6K1

sid202004306k1.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Comp

April 30, 2020 6-K

Current Report of Foreign Issuer - SID20200430_6K

6-K 1 sid202004306k.htm SID202004306K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translation of Regi

April 17, 2020 6-K

SID / Companhia Siderurgica Nacional-CSN 6-K - Current Report of Foreign Issuer - SIDFS2019_6K

sidfs20196k.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of April, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company

April 14, 2020 EX-12.1

Section 302 Certification of Chief Executive Officer.

exhibit121.htm - Generated by SEC Publisher for SEC Filing Exhibit 12.1 Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Benjamin Steinbruch, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Siderúrgica Nacional; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact nece

April 14, 2020 EX-2.4

Description of the registrant’s securities registered under Section 12 of the Exchange Act.

exhibit024.htm - Generated by SEC Publisher for SEC Filing Exhibit 2.4 DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE U.S. SECURITIES EXCHANGE ACT OF 1934, AS AMENDED As of December 31, 2019, the registrant had the following series of securities registered pursuant to Section 12 of the U.S. Securities Exchange Act of 1934, as amended: Title of each class: Name of each exchange on whi

April 14, 2020 EX-13.1

Section 906 Certification of Chief Executive Officer.

exhibit131.htm - Generated by SEC Publisher for SEC Filing Exhibit 13.1 Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), the undersigned officer of Companhia Siderúrgica Nacional (the “Company”), does hereby certify, to such officer

April 14, 2020 EX-13.2

Section 906 Certification of Chief Financial Officer.

exhibit132.htm - Generated by SEC Publisher for SEC Filing Exhibit 13.2 Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), the undersigned officer of Companhia Siderúrgica Nacional (the “Company”), does hereby certify, to such officer

April 14, 2020 20-F/A

SID / Companhia Siderurgica Nacional-CSN 20-F/A - - SIDFORM20F_2019A

sidform20f2019a.htm - Generated by SEC Publisher for SEC Filing As filed with the Securities and Exchange Commission on April 14, 2020. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F/A (Amendment No. 1) ¨ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURIT

April 14, 2020 EX-12.2

Section 302 Certification of Chief Financial Officer.

exhibit122.htm - Generated by SEC Publisher for SEC Filing Exhibit 12.2 Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Marcelo Cunha Ribeiro, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Siderúrgica Nacional; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact ne

April 3, 2020 EX-12.1

Section 302 Certification of Chief Executive Officer.

exhibit121.htm - Generated by SEC Publisher for SEC Filing Exhibit 12.1 Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Benjamin Steinbruch, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Siderúrgica Nacional; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact nece

April 3, 2020 20-F

SID / Companhia Siderurgica Nacional-CSN 20-F - - SIDFORM20F_2019

sidform20f2019.htm - Generated by SEC Publisher for SEC Filing As filed with the Securities and Exchange Commission on April 2, 2020. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F ¨ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 19

April 3, 2020 EX-13.2

Section 906 Certification of Chief Financial Officer.

exhibit132.htm - Generated by SEC Publisher for SEC Filing Exhibit 13.2 Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), the undersigned officer of Companhia Siderúrgica Nacional (the “Company”), does hereby certify, to such officer

April 3, 2020 EX-24

Description of the registrant’s securities registered under Section 12 of the Exchange Act.

exhibit24.htm - Generated by SEC Publisher for SEC Filing DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE U.S. SECURITIES EXCHANGE ACT OF 1934, AS AMENDED As of December 31, 2019, the registrant had the following series of securities registered pursuant to Section 12 of the U.S. Securities Exchange Act of 1934, as amended: Title of each class: Name of each exchange on which registered

April 3, 2020 EX-13.1

Section 906 Certification of Chief Executive Officer.

exhibit131.htm - Generated by SEC Publisher for SEC Filing Exhibit 13.1 Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), the undersigned officer of Companhia Siderúrgica Nacional (the “Company”), does hereby certify, to such officer

April 3, 2020 EX-12.2

Section 302 Certification of Chief Financial Officer.

exhibit122.htm - Generated by SEC Publisher for SEC Filing Exhibit 12.2 Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Marcelo Cunha Ribeiro, certify that: 1. I have reviewed this annual report on Form 20-F of Companhia Siderúrgica Nacional; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact ne

March 25, 2020 6-K

SID / Companhia Siderurgica Nacional-CSN 6-K - Current Report of Foreign Issuer - FORM 6-K

sid202003256k.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Compa

March 25, 2020 6-K/A

SID / Companhia Siderurgica Nacional-CSN 6-K/A - Current Report of Foreign Issuer - FORM 6-K/A

sid202003246ka.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K/A Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Co

March 12, 2020 6-K

SID / Companhia Siderurgica Nacional-CSN 6-K - Current Report of Foreign Issuer - FISCAL COUNCIL REPORT

sid202003116k.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Compa

March 5, 2020 6-K

SID / Companhia Siderurgica Nacional-CSN 6-K - Current Report of Foreign Issuer - SIDPR4Q19_6K

sidpr4q196k.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company

March 5, 2020 6-K

SID / Companhia Siderurgica Nacional-CSN 6-K - Current Report of Foreign Issuer - FORM 6-K

sid202003056k.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Compa

February 12, 2020 6-K

SID / Companhia Siderurgica Nacional-CSN 6-K - Current Report of Foreign Issuer - 2020 ANNUAL CALENDAR

sid202002126k.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of February, 2019Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Co

January 27, 2020 6-K

SID / Companhia Siderurgica Nacional-CSN 6-K - Current Report of Foreign Issuer - FORM 6-K

sid202001276k.htm - Generated by SEC Publisher for SEC Filing UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) Nati

January 24, 2020 6-K

SID / Companhia Siderurgica Nacional-CSN 6-K - Current Report of Foreign Issuer - SID20200123_6K

6-K 1 sid202001236k.htm SID202001236K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Tran

January 22, 2020 6-K

SID / Companhia Siderurgica Nacional-CSN 6-K - Current Report of Foreign Issuer - NOTICE TO THE MARKET

6-K 1 sid202001226k.htm NOTICE TO THE MARKET SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January, 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translatio

January 17, 2020 6-K

SID / Companhia Siderurgica Nacional-CSN 6-K - Current Report of Foreign Issuer - FORM 6-K

sid202001176k1.htm - Generated by SEC Publisher for SEC Filing UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) Nat

January 17, 2020 6-K

SID / Companhia Siderurgica Nacional-CSN 6-K - Current Report of Foreign Issuer - FORM 6-K

6-K 1 sid202001176k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January 2020 Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Company (Translati

January 15, 2020 6-K

SID / Companhia Siderurgica Nacional-CSN 6-K - Current Report of Foreign Issuer - SID20201501_6K

sid202015016k.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January, 2020Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Com

December 4, 2019 6-K

SID / Companhia Siderurgica Nacional-CSN 6-K - Current Report of Foreign Issuer - FORM 6-K

sid201912036k.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of December, 2019Commission File Number 1-14732 COMPANHIA SIDERÚRGICA NACIONAL (Exact name of registrant as specified in its charter) National Steel Co

Other Listings
DE:CQWA 1,26 €
MX:SID N
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