CSN Posts Record Net Income of R$5.8 Billion and EBITDA of R$6.6 Billion in 2008

SAO PAULO, March 30 /PRNewswire-FirstCall/ — Companhia Siderurgica
Nacional CSN (NYSE: SID) (BOVESPA: CSNA3) announces today its results for the
4Q08 and fiscal year 2008:

— Net revenue reached R$14.0 billion in 2008, 22% up on the previous
year, a Company record. Net revenue in the 4Q08 was at R$3.4 billion, 12% more
than in the 4Q07.

— Gross profit totaled R$7 billion in 2008, 47% up on 2007 and yet
another record, accompanied by a gross margin of 50%, 8 p.p. higher than the
previous year.

— EBITDA amounted to R$6.6 billion in 2008, 35% higher than in 2007 and
yet another record, and the 4Q08 EBITDA achieved R$1.5 billion, a 20%
year-on-year improvement.

— The 2008 EBITDA margin reached a substantial 47%, 5 p.p. more than the
year before, while the 4Q08 margin reached 45%, 3 p.p. up on the 4Q07. CSN has
consistently recorded EBITDA margins of above 40% for almost 8 years.

— Annual net income totaled R$5.8 billion, a new Company record and
virtually double the 2007 figure. Fourth quarter net income stood at
R$3.9 billion, also a historical record and more than seven times the amount
reported in the 4Q07.

— CSN’s annual market share of the domestic flat steel (hot-rolled,
cold-rolled, galvanized and tin plate) increased to 39%, 5 p.p. up on 2007.
The Company’s market share of the galvanized steel market for the
construction, home appliances/OEM and distribution sectors stood at more than
80%.

The full 4Q08 and 2008 Earnings Release is available on CSN’s IR website
at www.csn.com.br/ir

CSN will be hosting conference calls about its 4Q08 and 2008 Results on
Monday, March 30, 2009, at 4:00 p.m. US EDT in English and 1:00 p.m. US EDT in
Portuguese. Connection details may be accessed on the Company’s IR website:
www.csn.com.br/ir.

    Investors Relations
    Companhia Siderurgica Nacional
    David Salama
    IR Manager
    Phone: 55 11 3049-7588
    E-mail: invrel@csn.com.br
    www.csn.com.br/ir

SOURCE Companhia Siderurgica Nacional