WebcastThird Quarter 2006 Results

Presentation:Paulo Penido Pinto MarquesCFO and Investor Relations Director

Disclaimer

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“Declarations relative to business perspectives of the Company,operating and financial results and projections, and references tothe growth of the Company, constitute mere forecasts and werebased on Management’s expectations in relation to futureperformance. These expectations are highly dependent on marketbehavior, Brazil’s economic situation, the industry andinternational markets, and are therefore subject to change.”

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“CONSOLIDATED RESULTS IN 3Q06 AND 9M06”

R$ million 3Q 2006 3Q 2005 2Q 2006 Chg. 3Q06/3Q05 9M 2006 9M 2005 Chg.

9M06/9M05

Total Sales Volume (000 t) 1,971 1,769 2,028 11% 5,953 5,367 11%Net Revenues 3,127 3,126 3,053 0% 9,138 10,072 -9%Gross Profit 1,195 1,221 1,013 -2% 3,096 4,503 -31%Operating Result (EBIT) a 1,022 1,098 890 -7% 2,653 4,017 -34%Financial Result (91) (171) (78) -47% (287) (505) -43%Net Income 715 782 704 -9% 1,763 2,594 -32%EBITDA b 1,228 1,265 1,046 -3% 3,182 4,615 -31%EBITDA Margin 39.3% 40.5% 34.3% -1.2 p.p. 34.8% 45.8% -11.0 p.p.EBITDA (R$/t) 623 715 516 -13% 535 860 -38%Total Assets 18,124 17,367 18,066 4% 18,124 17,367 4%Net Debt 1,669 2,243 1,603 -26% 1,669 2,243 -26%Stockholders' Equity 10,166 7,994 9,451 27% 10,166 7,994 27%

(a) Earnings before interest, tax and participations.(b) Earnings before interest, taxes, depreciation, amortization and participations.

Highlights

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• Sales Volume: In 3Q06, slight decrease compared to 2Q06, although 11%above y-o-y in 9M06

• Net Revenue: 2% above 2Q06 due to improved avg. prices, totalingR$ 9.1 billion in the year.Net Revenues per tonne: 8% increase in total sales (Dom. & Exp. market)

• EBITDA: Up 17% from 2Q06, accumulating R$ 3.2 billion in the year

• EBITDA Margin: Rose to 39% from 34% in 2Q06

• Net Profit: 2% higher than 2Q06, totaling R$ 1.8 billion in the year

• Maintenance of Domestic Market leadership: 52% Market Share

HIGHLIGHTS“Consistent results within its annual planning”

Shareholders’ Structure - New Control Group

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Previ14.9%

CVRD12.3%

Others8.9%Votorantim

11.6%

Usiminas Pension Fund

10.1%

Nippon Group24.7%

CVRD5.9%

Camargo Corrêa11.6%C

ontr

ol G

rou

p:

63

.9%

• Reached its peak during 3Q06 in terms of demand and prices

• China continues the exception: strong demand compatible with its growth.However, with lower price levels.Accounts for 34% of total global crude steel production.

• Global crude steel production in 9M06: 903.4 million tonnes, 9% above9M05.

• USA: Vigorous growth and measures to contain inflation.Signs of unbalance between supply and demand.

• Europe: More stable environment.

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STEEL INDUSTRY SCENARIO

International MarketInternational Market:

STEEL INDUSTRY SCENARIO

Domestic Market:Domestic Market:

• Crude steel production: totaled 22.8 million tonnes in 9M06 -decrease of 4% compared to 9M05.

• Domestic flat steel demand:

3Q06/3Q05 Change: 18% growth.Highlight for civil construction/shapes, distribution, autoparts,highway equipment and electronics segments.

9M06/9M05 Change: 3% growth.Highlight for segments that were benefited by increase inconsumption; Automotive, Electrical/Electronic Equipment andDomestic Appliances.

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• Total sales in 3Q06: 1.97 MMt,3Q06/3Q05 = 11% higher and3Q06/2Q06 = 3% decrease

• Domestic sales growth of 11% over3Q05 and 4% decrease over 2Q06.

• Export sales - 13% growth over 3Q05and 1% decrease over 2Q06.

• Accumulated sales 9M06: 5.95 MMt,11% above 9M05.

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USIMINAS - CONSOLIDATED SALES

75% 74% 65% 64% 73%72% 71% 71% 78% 70% 69%

75% 74% 65%

Consolidated Sales (000 t)

1Q03 2Q03 3Q03 4Q03 1Q04 2Q04 3Q04 4Q04 1Q05 2Q05 3Q05 4Q05 1Q06 2Q06 3Q06

Domestic Market Export Market

72%

75% 74% 65% 64% 73%72% 71% 71% 78% 70% 69% 54% 62% 69% 68%

25% 26% 35% 36% 28% 27% 29% 29% 22% 30% 31% 46% 38% 31% 32%

1,8301,939

1,822

2,119

1,910 1,971 2,0112,170

1,7681,829

1,770

1,9811,9542,0281,971

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SALES MIX BY PRODUCT

Slabs13%

Hot Rolled28%

Processed Products

4%

Heavy Plates23%

Cold Rolled24%

Hot Dip Galvanized

5%

Electro galvanized

3%

Slabs12%

Hot Rolled25%

Hot Dip Galvanized

5%

Processed Products

4%

Heavy Plates21%

Cold Rolled30%

Electro galvanized

3%

3QO6 3QO5

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EXPORTS BY COUNTRY - 9M06

Spain5%

Argentina5%

United States21%

Thailand6%

Colombia3%

South Korea3%

Canada8%

Mexico14%

Chile5%

Germany11% India

6%

Others13%

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CONSOLIDATED EBITDA

• EBITDA - totaled R$ 1.2 billion( US$ 565 million) in 3Q06,accumulating R$ 3.2 billion in9M06 (US$ 1.5 billion).

• EBITDA margin of 39% in 3Q06and 35% in 9M06.

EBITDA & EBITDA Margin

479

565

414

404

539

655

646

652

538

422

318

263

225

255

258

34%

39%

31%31%

41%

47%50%

48%49%

36%

46%

39%

31%33%

42%

1Q03

2Q03

3Q03

4Q03

1Q04

2Q04

3Q04

4Q04

1Q05

2Q05

3Q05

4Q05

1Q06

2Q06

3Q06

EBITDA (US$ million) EBITDA Margin

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CONSOLIDATED NET DEBT

• CND/EBITDA ratio at 0.4 x

• New BNDES credit line forinvestment financing up toR$ 900 million

• Debt profile:

Short Term - 26%Long Term - 74%

• Debt by currency:

Domestic - 24%Foreign - 76%

Consolidated Net Debt / EBITDA

0,7

0,8

0,9

2,4

2,6

2,5

2,3

2,2

1,9

1,7

1,3

1,0

1,0

1,0

0,7

0,4 0,40,4

2,72,5

2,32,1

1,6

2,6

1,10,7

0,4 0,4 0,4 0,3

1Q03 2Q03 3Q03 4Q03 1Q04 2Q04 3Q04 4Q04 1Q05 2Q05 3Q05 4Q05 1Q06 2Q06 3Q06

CND (US$ billion) CND/EBITDA

13• Usiminas’ cash position amounted R$2.0 billion on Sept. 29 2006

3Q06 CONSOLIDATED CASH FLOWBrazilian GAAP (Legislação Societária) - R$ million

2,000

134

313356

41178390412

1,228

2,042

Initia

l Bala

nce

EBITDA

New Fi

nanc

ing

Amortiza

tion a

nd Fi

nanc

ing Intere

st

Working

Capita

l Vari

ation

Inves

tmen

ts

Divide

nd / In

terst

on C

apita

lOthe

rs

Final

Balanc

e

• Usiminas shareappreciation of 36%versus 21% ofIbovespa (Jan. toNov 3, 2006)

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ADRADRLevelLevel I I

9M06 - STOCK PERFORMANCE

50

70

90

110

130

150

dez/05 jan/06 fev/06 mar/06 abr/06 mai/06 jun/06 jul/06 ago/06 set/06

IBOVESPA USIM5 SID

USIM5 vs Ibovespa and Steel IndustryFrom 12/29/2005 to 09/29/2006 (basis 100)

108,9

116,9

125,8

OUTLOOKInternational market:

• Signs of adjustment/accommodation in 4Q06 prices. Greaterawareness to avoid inventory growth.

• For 2007, forecast for reduction in US growth, compensated byChina and India.

• More stable price environment forecasted for 2007.

Domestic market:

• Demand growth of 8% in 2006 (according to IBS)

• 2007: total flat demand growing 8%, influenced by:

- maintenance of high volumes of credit;- increase in investments in important steel consuming sectors.

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Guidance for 2006:

• Total sales: ~ 8.0 MMt, 10% above 2005.

• Domestic Market: 67% of sales volume = 9% growth, inline with demand growth estimated by IBS.

• Exports: 33% of sales = growth of approximately 12%, withgreater share of heavy plate.

USIMINAS - OUTLOOK

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• Re-certification of Product Quality, Environmental and Worker SafetyCertificates at the Mills.

• Issuance of Installation license for Coke Oven #3 by State Environmentaland Development Agency

• Usiparts Investments - R$ 46 million for expansion

• Usiminas System is awarded:

.IstoÉ Magazine’s 500 Best Companies Guide (Usiminas and Usiparts

.Ibase Social Statement Award

.Gazeta Mercatil Award (Rio Negro)

OTHER HIGHLIGHTS

Other information:Investor Relations

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www.usiminas.com.br

Bruno Seno Fusaro Luciana Valadares dos Santosbrunofusaro@usiminas.com.br lsantos@usiminas.com.brTel: 55 31 3499-8710 Tel.: 55 31 3499-8619

Matheus Perdigão Rosa Gilson Rodrigues Bentesmprosa@usiminas.com.br gilson@cosipa.com.brTel: 55 31 3499-8056 Tel: 55 11 5070-8980 SP

55 31 3499-8617 BH