Companhia Siderúrgica Nacional S A : Meeting Minutes Of The Board Of Directors

COMPANHIA SIDERÚRGICA NACIONAL

Publicly Held Company

Corporate Taxpayer No. 33,042,730/0001-04

NIRE: 35300396090

MINUTES OF THE COMPANHIA SIDERÚRGICA NACIONAL BOARD OF DIRECTORS' EXTRAORDINARY MEETING OF THE, HELD ON DECEMBER 23, 2022.

Date: December 30, 2022.

Time:

4:00 p.m.

Place: Ave. Brigadeiro Faria Lima, 3400 - 20th floor, São Paulo - SP

Call Notice: Waived in view of the presence of all members of the Board of Directors.

Attendance: Benjamin Steinbruch, Yoshiaki Nakano, Fabiam Franklin, Antonio Bernardo Vieira Maia e Miguel Ethel Sobrinho - Councilors; Claudia Maria Sarti - General Secretary of the Board of Directors.

Treated Issues: Payment of Interest on Equity - The Board of Directors, pursuant to art. 31 of the Bylaws, in advance of the mandatory minimum dividend, unanimously approved the payment of interest on own capital in the amount of BRL 700,000,000.00 (seven hundred million reais), corresponding to the gross amount of BRL 0.52786606981 per share, and, with the exception of immune and exempt shareholders, this amount is subject to withholding income tax at the rate of 15% (fifteen percent), except for the application of this rate to shareholders domiciled in the country that does not tax income or that taxes it at a maximum rate of less than 20% (twenty percent), which in this case, are subject to withholding income tax at a rate of 25% (twenty-five percent), pursuant to Article 8 of Law No. 9,779/99. Considering the rate of 15% (fifteen percent), the net amount of IR to be paid will be BRL 0.44868615934 per share. The Interest on Equity will be paid, without monetary restatement, until May 31, 2023. As of December 29, 2022, the shares will be traded ex-rights on the respective Interest on Equity.

Closure: Nothing else to deal with, the meeting was ended, and the minutes of which after read and found compliant, was signed by all present.

I attest that the deliberations transcribed here in this place are faithful to the original of the minutes filed at the Company's Headquarters.

São Paulo, December 23, 2022.

Claudia Maria Sarti

General Secretary of the Board of Directors