CSN Day 2020

Notice to the Market

Companhia Siderúrgica Nacional (“Company”) in compliance with CVM Instruction No. 358/02 and CVM SEP Circular Letter No. 7/20, hereby announces the participation of the Executive Board in a public live event with online transmission, to be performed as follows:

Date and time: December 10th, 2020, at 11am (Brazilian time – GMT-3)
Organizer: APIMEC / SP
Link: https://webcastlite.mziq.com/cover.html?webcastId=074c5ef6-a220-4a69-8b96-457f1725773a

São Paulo, December 07th, 2020.

Marcelo Cunha Ribeiro
Chief Financial and Investor Relations Officer