CSN has some channels of communication that are available to receive serious concerns relating to financial reporting, unethical or illegal conduct, or fraud at CSN or its Companies.

Callers to these channels will have the ability to remain anonymous if they so choose. Check below what are these channels:

External use e-mail communication to the following address:

auditoria_canal_denuncia@csn.com.br

Post code if you have e-mail access (Outlook):

AUDITORIA CANAL DENUNCIA

by mail, send to:

Rua Engenheiro Francisco Pita Brito, 138, Térreo - Santo Amaro, São Paulo/SP, Brasil
Cep 04753900
or through use of the Telephone Hotline, in Brazil: (55 11) 4932-1683