| WHERE ARE CSN SHARES TRADED? |

CSN shares are listed on Bovespa under the symbol “CSNA3”. In NYSE, in the ADRs form, CSN shares are listed under the symbol “SID”.

| HOW CAN I GET CSN SHARE HISTORICAL PRICES? |

In section Shareholder Information / Quotes and Charts there is a chart with the share stock price on line. To have a view of a period shares performance there is an interactive graphic, where you can choose the period to compare with other market indexes.

| WHAT IS AN ADR? |

ADR means American Depositary Receipts. They are depositary receipts that play as CSN shares and are traded in NYSE. Thus, foreign investors who are willing to invest in CSN can trade ADRs instead of having to invest directly in Bovespa shares.