Exhibit 8.1

· Companies

(*) They are Dormant Companies, therefore they do not appear in the note 10.a, where is disclosed business information under the equity method and classified as available for sale.

·Events in 2016:

(1) Company terminated;

(2) New corporate name of Mineração Nacional;

(3) Company sold to Can-Pack, as note 4;

(4) New corporate name of Congonhas Minérios S.A.;

(5) Control acquisition, as note 3.2;

(6) Company was incorporated by indirect subsidiary CSN Mining GmbH;

 

(7) New corporate name of Namisa Handel GmbH;

(8) New corporate name of Namisa Asia Limited;

(9) Company constituted;

·Exclusive funds

	Equity Interests (%)
Exclusive funds	12/31/2016	12/31/2015	Core business
Direct interest: full consolidation
Diplic II  - Private credit balanced mutual fund	100.00		Investment fund
Caixa Vértice - Private credit balanced mutual fund	100.00	100.00	Investment fund
VR1 – Private Credit balanced mutual fund	100.00	100.00	Investment fund
Diplic  - Private credit balanced mutual fund (1)		100.00	Investment fund
BB Steel – Private Credit balanced mutual fund (1)		100.00	Investment fund

   (1) Multimarket investment fund fully redeemed.