RELEASE OF THE 4Q20 AND 2020 RESULTS

Public Information - Free Translation: For reference only - Original in Portuguese - Belo Horizonte, February 12, 2021. Usinas Siderúrgicas de Minas Gerais S.A. - Usiminas (B3: USIM3, USIM5 e USIM6; OTC: USDMY and USNZY; Latibex: XUSIO and XUSI) today releases its fourth quarter 2020 (4Q20) and 2020 annual results. The Company's operating and financial information, except where otherwise stated, is presented based on the consolidated figures in Brazilian Real, according to IFRS (International Financial Reporting Standards). The comparisons made in this release take into account the third quarter of 2020 (3Q20) and fiscal year 2019, except stated otherwise.

Highlights » Steel sales volume of 1.1 million tons in the 4Q20, highest quarterly volume since the 4Q15; » Iron ore sales volume of 8.7 million tons in 2020, annual sales record;

» Net Revenue of R$5.5 billion in the 4Q20 and of R$16.1 billion in 2020, highest quarterly and annually;

» Adjusted EBITDA of R$1.6 billion in the 4Q20 and of R$3.2 billion in 2020, highest quarterly and annual EBITDA since 2008;

» Net profit of R$1.9 billion in the 4Q20, 866% higher than the previous quarter; » Cash of R$4.9 billion (+153% vs. 2019), highest annual cash position since 2011.

Consolidated - R$ million Steel Sales Volume (000 t) Iron Ore Sales Volume (000 t) Net Revenue

4Q20

1,133

2,275

5,474

Adjusted EBITDA Adjusted EBITDA Margin Net Income (Loss) Investments (CAPEX) Working Capital

1,607

3Q20 934 2,293 4,381 826

∆ 21% -1% 25% 95%

4Q19

∆

2020

  • 1,009 12%

    3,723

  • 2,495 -9%

    8,683

  • 3,873 41%

    16,088

  • 468 243%

3,194

29%

19% + 11 p.p.

12% + 17 p.p.

20%

2019

∆

4,105

-9%

8,616

1%

14,949

8%

1,973

62%

13% + 7 p.p.

1,913

198

866%

268

613%

1,292

377

243%

245

179

37%

356

-31%

799

690

16%

2,936

3,060

-4%

4,243

-31%

2,936

4,243

-31%

Cash and Cash Equivalents Net Debt

4,868

3,734

30%

1,921

153%

4,868

1,921

153%

1,105

2,529

-56%

3,189

-65%

1,105

3,189

-65%

Net Debt/Adjusted EBITDA (x)

0.3

1.2

-0.9

1.6

-1.3

0.3

1.6

-1.3

Market Data - 12/31/20

Index

XUSI €2.28/share

OPERATING AND ECONOMIC-FINANCIAL PERFORMANCE

CONSOLIDATED OPERATING RESULTS - QUARTERLY

Equity in the results of investees

Depreciation and Amortization

EBITDA (Instruction CVM 527)

EBITDA Margin (Instruction CVM 527)

Adjusted EBITDA - Jointly-controlled subsidiaries proportional EBITDA

Main non-recurring itens

Adjusted EBITDA Excluding Non-Recurring Itens

Adjusted EBITDA Excluding Non-recurring Itens Margin

Net Revenue - Quarterly

Net Revenues

Domestic Market

Exports

COGS

Gross Profit

Operating Income (Expenses)

Selling Expenses

General and Administrative

Other Operating Income (expenses)

EBIT

R$ thousand

4Q20

3Q20

∆

4Q19

∆

5,474,270

4,381,212

25%

3,872,891

41%

4,186,725

3,078,104

36%

3,077,462

36%

1,287,545

1,303,108

-1%

795,429

62%

(3,901,465)

(3,489,321)

12%

(3,576,595)

9%

1,572,805

891,891

76%

296,296

431%

Gross Margin

28.7%

20.4%

+ 8.4 p.p.

7.7%

+ 21.1 p.p.

476,791

(360,426)

-

(153,247)

-

(96,435)

(96,196)

0%

(76,366)

26%

(122,317)

(98,233)

25%

(118,441)

3%

695,543

(165,997)

-

41,560

1574%

2,049,596

531,465

286%

143,049

1333%

37.4%

12.1%

+ 25.3 p.p.

3.7%

+ 33.7 p.p.

58,887

40,031

47%

48,107

-31%

252,809

248,466

2%

256,182

-2%

2,361,292

819,962

188%

447,338

428%

43.1%

18.7%

+ 24.4 p.p.

11.6%

+ 31.6 p.p.

1,607,060

825,980

95%

468,447

243%

29.4%

18.9%

+ 10.5 p.p.

12.1%

+ 17.3 p.p.

150,579

13,128

1047%

121,437

24%

1,456,481

812,852

79%

347,010

320%

26.6%

18.6%

+ 8.1 p.p.

9.0%

+ 17.6 p.p.

EBIT Margin

Adjusted EBITDA Margin

Net revenue in the 4Q20 reached R$5.5 billion, a 25% increase over that in the 3Q20 (R$4.4 billion), representing the highest net revenue in the history of Usiminas, mainly due to the increase in net revenue in the Steel Unit (+R$1.2 billion vs. 3Q20), the Steel Processing Unit (+R$312 million vs. 3Q20) and the Mining Unit (+R$295 million vs. 3Q20). The factors that led to these variations will be explained in the Business Unit section of this release.

Cost of Goods Sold - COGS - Quarterly

Cost of goods sold (COGS) in the 4Q20 totaled R$3.9 billion, a 12.0% increase over that in the 3Q20 (R$3.5 billion), mainly due to higher COGS in the Steel Unit (+R$829 million vs. 3Q20) and the Steel Processing Unit (+R$219 million vs. 3Q20). The variations will be explained in the Business Unit section of this release.

Gross Profit - Quarterly

Gross profit was R$1.6 billion in the 4Q20, a 76% increase over that in the 3Q20 (R$892 million).

Operating Income (Expenses) - Quarterly

Sales expenses in the 4Q20 were R$96 million, in line with the previous quarter (3Q20: R$96 million).

In the 4Q20, General and administrative expenses totaled R$122 million, 25% higher than in the previous quarter (3Q20: R$98 million), mainly due to variation in the Steel Unit.

Other operating revenue (expenses) totaled R$696 million, R$862 million higher than accounted in the 3Q20 (negative R$166 million), mainly due to registration of positive R$ 737 million in the Impairment account (3Q20: negative R$6.8 million), with R$631 million from the Mining Unit and R$107 million from the Steel Unit, where these do not affect Adjusted EBITDA, and fixed asset sales in the amount of R$165 million (3Q20: R$2.6 million), with special mention of the sale of the Company's headquarter building.

Thus, Operating Revenue (expenses) were R$477 million in the 4Q20 (3Q20: negative R$360 million).

The Main Non-recurring Events in the 4Q20 totaled R$151 million and are related to asset sales, with one of them being the Company headquarters and commercial property at Shopping Vale do Aço. These events were recorded in Other Operating Revenue (Expenses). With this, Usiminas accounted an EBITDA excluding the non-recurring effects of R$1.5 billion (3Q20: R$813 million).

CONSOLIDATED OPERATING RESULTS - ANNUAL

Equity in the results of investees

Depreciation and Amortization

EBITDA (Instruction CVM 527)

EBITDA Margin (Instruction CVM 527)

Adjusted EBITDA - Jointly-controlled subsidiaries proportional EBITDA

Main non-recurring itens

Adjusted EBITDA Excluding Non-Recurring Itens

Adjusted EBITDA Excluding Non-recurring Itens Margin

Net Revenue - Annual

Net Revenues

Domestic Market

Exports

COGS

Gross Profit

Operating Income (Expenses)

Selling Expenses

General and Administrative

Other Operating Income (expenses)

EBIT

R$ thousand

2020

2019

∆

16,088,052

14,948,719

8%

11,764,836

12,289,660

-4%

4,323,216

2,659,059

63%

(12,831,522)

(13,074,129)

-2%

3,256,530

1,874,590

74%

Gross Margin

20.2%

12.5%

+ 7.7 p.p.

(487,824)

(1,102,814)

-56%

(398,385)

(288,515)

38%

(426,764)

(426,905)

0%

337,325

(387,394)

-

2,768,706

771,776

259%

17.2%

5.2%

+ 12.0 p.p.

159,759

180,735

-12%

1,000,223

991,785

1%

3,928,688

1,944,296

102%

24.4%

13.0%

+ 11.4 p.p.

3,193,620

1,973,010

62%

19.9%

13.2%

+ 6.7 p.p.

140,719

115,146

22%

3,052,901

1,857,864

64%

19.0%

12.4%

+ 6.5 p.p.

EBIT Margin

Adjusted EBITDA Margin

Net revenue in 2020 reached R$16.1 billion, an 8% increase over 2019 (R$14.9 billion), the highest annual net revenue in Usiminas' history, mainly due to the increase in net revenue of the Mining Unit (+R$1.9 billion vs. 2019). The factors that led to this variation will be explained in the Mining Unit section of this release.

Cost of goods sold - COGS - Annual

in 2020, Cost of goods sold (COGS) totaled R$12.8 billion, a 2% decrease in relation to that accounted in 2019 (R$13.1 billion).

Gross Profit - Annual

In 2020, gross profit was R$3.3 billion, a 74% increase over that in the previous year (2019: R$1.9 billion).

Operating Revenue (Expenses) - Annual

Sales expenses in the year were R$398 million, a 38% increase over those in 2019 (R$289 million), mainly due to higher provision for doubtful accounts in the Steel Unit and higher sales expenses in the Mining Unit, which will be detailed in the Business Unit section of this release.

In 2020, General and Administrative Expenses totaled R$427 million, in line with those accounted in the previous year (2019: R$427 million).

Other operating revenue (expenses) totaled R$337 million, R$724 million higher than accounted in 2019 (negative R$387 million), mainly due to: (i) registration of positive R$ 731 million in the Impairment account (2019: R$16 million), which does not affect Adjusted EBITDA and (ii) asset sales in the amount of R$174 million (2019: R$6 million), being partially offset by higher idle capacity expenses, which were R$333 million in 2020, R$56 million higher than in 2019 (R$277 million), mainly related to temporarily halted equipment in the Steel Unit, due to the COVID-19 pandemic. Furthermore, in 2019, R$117 million were recognized regarding the lawsuit judgement concerning the compulsory loan to Eletrobras in the Steel Unit, non-recurring in 2020.

Thus, Operating Revenue (Expenses) were a negative R$488 million in 2020 (2019: negative R$1.1 billion).

The Main Non-recurring Events accounted in 2020 totaled R$141 million, with the highlights being (i) reversion of legal provisions in the 1Q20 in the amount of R$66 million, (ii) provisionsrelated to effects of the COVID-19 pandemic in the amount of R$51 million and related to the restructuring of the Capital Goods Unit in the amount of R$19 million, both accounted in the 2Q20; (iii) recognition of Reintegra of sales to the Manaus Free Trade Zone in the amount of R$13 million and (iv) asset sales in the 4Q20. All these events were accounted in Other Operating Revenue (Expenses). Additionally, a non-recurring provision for doubtful accounts in the amount of R$19 million was made in the 2Q20 in the Sales Expenses account. With this, Usiminas reported EBITDA excluding the non-recurring effects of R$3.1 billion in 2020 (R$1.9 billion in 2019).

Adjusted EBITDA - Quarterly and Annual

EBITDA Breakdown

Consolidated (R$ thousand)

Net Income (Loss)

Income Tax / Social Contribution Financial Result

Depreciation, Amortization and depletion

EBITDA - Instruction CVM - 527

(-) Equity in the Results of Associate and Jointly-controlled subsidiaries

(+) Jointly-controlled subsidiaries proportional EBITDA(-) Impairment of Assets

Adjusted EBITDA

Adjusted EBITDA Margin

2019

376,691 65,981 509,839 991,785 1,944,296

(180,735)

193,023 16,426 1,973,010

0.0%

13.2%

Adjusted EBITDA is calculated starting from the net profit (loss) of the period, reversing: (a) income tax and social contribution; (b) financial result; (c) depreciation, amortization and depletion; (d) equity in the results of subsidiaries and associate companies; (e) asset impairment; and including proportional EBITDA of 70% of Unigal and other subsidiaries jointly.

Consolidated Adjusted EBITDA and Adjusted EBITDA Margin (R$ million):

29.4%

20.4%

19.6%

19.9%

2016

4Q19

1Q20

2Q20

3Q20

4Q20

2017

2018

2019

2020

Consolidated Financial Result - Quarterly and Annual

R$ thousand

4Q20

3Q20

∆

Net Currency Exchange Variation Financial Income

286,321 79,594

(102,099)

Interest on Financial Asset and Monetary Effects

25,823

Monetary Effects on ICMS tax in the base calculation of PIS and COFINS

43,558

Monetary Effects on assets

3,141

57,014 12,096 1,493 2,747

- 40% 113% 2817% 14%

Reversal of interest on contingencies Monetary Effects on receivable from Eletrobrás Other Financial Income

4,324

1

Financial Expenses

2,747 (141,503)

8,312 26,680 (122,732)

-48% -90% 15%

Interest and Monetary Effects over Financing and Taxes Payable in Installments

(73,978)

(78,351)

-6%

Swap Transactions Monetary Effects on liabilities Financing Commision and Others Monetary Effects on contigencies Other Financial Expenses

3

(349)

-

(4,114)

(2,609)

58%

(2,248)

(8,389)

-73%

(36,205)

(13,212)

174%

FINANCIAL RESULT

(24,961) 224,412

(19,822)

(167,817)

26% -

+ Appreciation / - Depreciation of Exchange Rate (R$/US$)

-7.9%

3.0% - 10.9 p.p.

In the 4Q20, the financial result was R$224 million, against a negative result of R$168 million in the 3Q20, mainly due to net exchange gains of R$286 million, against a net exchange loss of R$102 million in the 3Q20.

In the year, the net financial result was a negative R$1.1 billion, 112% higher than that accounted in the previous year of a negative R$510 million, mainly due to net exchange losses of R$765 million in 2020, against losses of R$185 million in 2019, which impacted the dollar parcel of the Company's debt, linked to the exchange variation of 28.9% in the period. Additionally, lower corrections of credits from Eletrobras (R$6 million, R$264 million in 2019).

Net Profit (Loss) - Quarterly and Annual

Net Margin

EBIT

Financial Result

Equity in the results of investees

Operating Profit (Loss)

Income Tax / Social Contribution

Net Income (Loss)

R$ thousand

4Q20

3Q20

∆

4Q19

∆

2020

2019

∆

2,049,596

531,465

286%

143,049

286%

2,768,706

771,776

259%

EBIT Margin

37.4%

12.1%

+ 25.3 p.p.

3.7%

+ 25.3 p.p.

17.2%

5.2%

+ 12.0 p.p.

224,412

(167,817)

-

154,433

-

(1,082,492)

(509,839)

112%

58,887

40,031

47%

48,107

47%

159,759

180,735

-12%

2,332,895

403,679

478%

345,589

478%

1,845,973

442,672

317%

(420,193)

(205,597)

104%

(77,442)

104%

(554,230)

(65,981)

740%

1,912,702

198,082

866%

268,147

865.6%

1,291,743

376,691

243%

34.9%

4.5%

+ 30.4 p.p.

6.9%

+ 30.4 p.p.

8.0%

2.5%

+ 5.5 p.p.

In the 4Q20, the Company accounted a net profit of R$1.9 billion, 866% higher that the net profit shown in the previous quarter (3Q20: R$198 million).

In 2020, Net Profit of Usiminas was R$1.3 billion, the highest annual net profit since 2010 and 243% higher that that in 2019 (R$377 million).

Working Capital

In the 4Q20, working capital totaled R$2.9 billion, 4.1% lower comparted to the 3Q20 (R$3.1 billion), the lowest level since 4Q17. The main variations are presented below:

  • • Increase in the balance of Suppliers by R$285 million, tied to greater purchase of slabs and raw materials to supply the resumption of production levels;

  • • Increase in the balance of Taxes Collectible by R$218 million;

Partially compensated by:

  • • Increase in the Inventories account by R$310 million, mainly due to appreciation of raw materials and by the increase in the steel inventory volume by 7.6%, tied to the increase in the production levels.

In the year, the decrease in Working Capital was 30.8% (2019: R$4.2 billion). The main variations were:

  • • Increase in the balance of Taxes Collectible by R$498 million, related to the increase of profit accounted, mainly in the Mining and Steel Units;

  • • Increase in the Suppliers balance by R$400 million, linked to greater supply of purchased slab and appreciation of raw materials;

  • • Decrease in the balance of Amounts Receivable - Eletrobras by R$306 million, with the receipt of the undisputed amount in the 3Q20;

  • • Decrease in the balance of Taxes Recoverable by R$303 million, mainly because of utilization of credits related to the inclusion

    of the ICMS tax in the calculation base of

    Working Capital Progression

    PIS/COFINS taxes;

    (R$ million)

  • • Increase in the balance of Operations by R$267 million;

Forfaiting

Partially compensated by:

  • • Increase in Accounts Receivable by R$438 million, mainly in the Mining Unit, related to higher volume financed for export sales.

4Q19

1Q20

2Q20

3Q20

4Q20

Investments (CAPEX) - Quarterly and Annual

CAPEX in the 4Q20 totaled R$245 million, 36.8% higher compared to the 3Q20 (R$175 million). The investments were applied mainly to sustaining CAPEX, safety and environment, with 67.5% in the Steel Unit, 31.4% in the Mining Unit and 1.1% in the other Units.

CAPEX in 2020 totaled R$799 million, 15.7% higher compared to 2019 (R$690 million), representing the highest level of investment since 2014. The investments were applied mainly to sustaining CAPEX, safety and environment, with special mention of the implementation of the Dry Stacking system in the Mining Unit. CAPEX was distributed to the Steel Unit (72.1%), Mining (26.1%) and other Units (1.7%).

CAPEX Progression

(R$ million)

4Q19

1Q20

2Q20

3Q20

4Q20

2016

2017

2018

2019

2020

Steel

Mining

Others

Cash Position and Debt

On 12/31/20, consolidated Cash and Cash Equivalents was R$4.9 billion, 30.4% higher than that on 09/30/20 (R$3.7 billion), mainly due to strong EBITDA generation. Compared to that on 12/31/19 (R$1.9 billion), variation of Cash and Cash Equivalents was 153.4%, thehighest annual closing since 2011, mainly due to strong EBITDA generation and freeing up of Working Capital. The following graph shows the evolution of cash in 2020:

Interest

Cash in 12/31/2019

Adjusted EBITDAWorking Capital

ReleaseIR/CS PaidCAPEX

PaidNet DividendsOthers*Cash in 12/31/2020

*"Others" described on Cash Flowon Appendix.

On 12/31/20, Gross Consolidated Debt was R$6.0 billion, 4.6% lower than on 09/30/20 (R$6.3 billion), mainly due to Real appreciation against the Dollar by 7.9%. In the year, Gross Consolidated Debt grew 16.9%, also strongly tied to Real depreciation against the Dollar by 28.9% in the year.

Net Consolidated Debt on 12/31/20 was R$1.1 billion, 56.3% lower than on 09/30/20 (R$2.5 billion). The variation mostly occurred due to the rise in the Cash and Cash Equivalents position by 49.0% in the period. In the year, Net Debt decreased by 65.4% compared to that on 12/31/19 (R$3,2 billion), also strongly related to cash generation in the period.

3,189

924 50

1,105

12

2,947

Net Debt in 12/31/2019

Cash Increase

Exchange VariationDebt AmortizationAdjustment

Net Debt in 12/31/2020

In regard to debt composition by maturity, on 12/31/20, it was 2% short term and 98% long term, compared to 1% short term and 99% long term on 09/30/20 and 2% and 98%, respectively on 12/31/19.

The Net Debt/EBITDA ratio closed the 4Q20 at 0.3x (3Q20: 1.2x; 4Q19: 1.6x).

The following chart demonstrates the consolidated debt data:

(*)100% of total foreign currency is US dollars denominated in the 4Q20

30-set-20

Change

31-dez-19

Change

TOTAL

TOTAL

Dez20/Set20

TOTAL

Dez20/Dez19

2,028,732

34%

2,048,000

-1%

2,081,808

-3%

2,004,608

-

1,984,399

1%

2,006,267

0%

24,124

-

63,601

-62%

75,541

-68%

3,944,010

66%

4,215,800

-6%

3,028,744

30%

5,972,742

100%

6,263,800

-5%

5,110,552

17%

-

-

4,868,105

-

3,734,302

30.4%

1,921,141

153%

-

-

1,104,637

-

2,529,498

-56%

3,189,411

-65%

7

31-dez-20

R$ thousand

Short Term

Long Term

Local Currency

30,632

1,998,100

CDI

19,214

1,985,394

Others

11,418

12,706

Foreign Currency*

109,700

3,834,310

Gross Debt

140,332

5,832,410

Cash and Cash Equivalents

Net Debt

The following graph demonstrates the cash and debt profile positions (principal only) in millions of Real on 12/31/20.

*: Debêntures

**: Bonds

OPERATIONAL PERFORMANCE OF THE BUSINESS UNITS

Intercompany transactions are on an arm's length basis (market prices and conditions), and sales between Business Units are carried out as sales between independent parties.

Income Statement per Business Units - Non Audited - Quarterly

MiningR$ million

4Q20

3Q20

Net Revenue

Domestic Market

Exports

1,413 1,118 272 228 1,141 890

COGS

(396) (425)

Gross Profit (Loss)

1,017 694

Operating Income (Expenses)

537 (84)

Selling

(52) (51)

General and Administrative

(7) (7)

Net Other Operating Income (expenses),

596 (26)

EBIT

1,554 609

Depreciation and amortization

35 35

Equity in the results of investees

27 20

EBITDA (Instruction CVM 527) EBITDA Margin

Adjusted EBITDA

1,616 664 114.4% 59.4% 958 644

Adj.EBITDA Margin 67.8% 57.6% *Consolidated 70% of Unigal

Income Statement per Business Units - Non Audited - Nine Months EndedMining

Steel*

Steel Processing

Capital Goods

Adjustment

ConsolidatedR$ million

Net Revenue

Domestic Market

Exports

COGS

Gross Profit (Loss)

Operating Income (Expenses)

Selling

General and Administrative

Net Other Operating Income (expenses),

EBIT

Depreciation and amortization

Equity in the results of investees

EBITDA (Instruction CVM 527) EBITDA Margin

Adjusted EBITDA Adj.EBITDA Margin *Consolidated 70% of Unigal

2020

2019

2020

2019

2020

2019

2020

2019

3,858

1,989

12,371

12,719

3,844

3,730

248

412

796

607

11,112

11,443

3,841

3,730

248

412

3,062

1,382

1,259

1,276

2

1

-

-

(1,482)

(1,144)

(11,481)

(11,774)

(3,537)

(3,540)

(337)

(388)

2,376

845

889

945

306

190

(89)

23

310

(241)

(615)

(718)

(123)

(100)

(64)

(39)

(190)

(116)

1

(109)

(52)

(45)

(10)

(13)

(27)

(24)

0

(333)

(53)

(57)

(25)

(27)

526

(100)

(137)

(276)

(18)

3

(29)

1

2,686

604

274

183

90

(153)

(16)

142

133

863

862

28

30

-

-

56

61

1,260

273

-

-

2,884

798

2,397

1,362

212

120

74.7%

40.1%

19.4%

10.7%

5.5%

3.2%

2,197

740

1,030

1,102

212

120

57.0%

37.2%

8.3%

8.7%

5.5%

3.2%

2020

2019

2020

2019

(4,233)

(3,902)

16,088

14,949

(4,233)

(3,902)

11,765

12,290

-

-

4,323

2,659

4,006

3,773

(12,832)

(13,074)

(227)

(129)

3,257

1,875

5

(4)

(488)

(1,103)

(5)

(4)

(398)

(289)

15

15

(427)

(427)

(5)

(14)

337

(387)

(222)

(133)

2,769

772

(33)

(34)

1,000

992

(0)

(0)

(1,156)

(153)

160

181

(153)

(16)

(1,411)

(320)

3,929

1,944

-61.6%

-3.9%

33.3%

8.2%

24.4%

13.0%

(145)

(16)

(46)

26

3,194

1,973

-58.5%

-3.9%

1.1%

-0.7%

19.9%

13.2%

Business Unit - Mining

In the 4Q20, the average Platts iron ore quotation for 62% Fe was US$ 133.69/t, an amount 13.1% higher to the average practiced in the 3Q20 of US$ 118.21/t and 50.9% above the price negotiated on 4Q19 of US$ 88.61/t.

Strong Chinese demand and limited supply of Brazilian ore in the market contributed to the price increase over the quarter. Brazilian ore exports fell 9,3% over the previous quarter and close the year with 342 million tons shipped, a 2.6% decrease over that exported in 2019. This scenario, despite the decrease in vessel unloading congestion, led to low inventory levels at Chinese ports and contributed to the already high prices increasing even further.

The premium paid for 65% Fe iron ore showed an increase compared to the previous quarter, supported by higher margins obtained by Chinese steel companies. Additionally, with restriction imposed by the Chinese government on Australian coal imports, coke prices had a strong increase in the Chinese domestic market, contributing to higher demand for high-grade iron ore. With this the spread paid between 65% Fe ore and 62% Fe ore was negotiated at US$12.42/t in the 4Q20, a 16.3% increase over the average in the 3Q20 of US$10.68/t.

The ocean freight, on the other hand, fell 13.2% over the 4Q20 compared to the 3Q20, negotiated at US$15.50/t (US$17.86/t in the 3Q20), with lower iron ore volume shipped on the Tubarão-Qingdao route and greater availability of Capesize vessels

Operational and Sales Performance - Mining

In the 4Q20, Production Volume was 2.2 million tons (Mt), a 3.4% decrease compared to the 3Q20 (2.3 Mt), 9.6% higher in relation to the 4Q19 (2.0 Mt).

In 2020, Production Volume totaled 8.7 Mt, a record by the Unit, an 18.2% increase over that in 2019 (7.4Mt) due to continuous operation of the Samambaia Plant in the year, while the plant operated for eight months in 2019.

Sales Volume reached 2.3 Mt in the 4Q20, stable comparaded to the 3Q20 (2.3 Mt). Compared to the same period in the previous year (y-o-y), (2.5Mt), there was an 8.9% decrease.

In 2020, Mineração Usiminas once again achieved an annual sales record with volume of 8.7 Mt, 0.8% more that in 2019 (8.6MT).

Production and sales volumes are shown below:

Iron Ore

Thousand tons

4Q20

3Q20

∆

4Q19

∆

2020

2019

∆

Production

2,242

2,319

-3%

2,045

10%

8,735

7,389

18%

Total Sales

2,275

2,293

-1%

2,497

-9%

8,683

8,616

1%

Exports

1,576

1,558

1%

1,707

-8%

5,916

4,631

28%

Domestic Market - Usiminas

587

538

9%

545

8%

2,161

2,185

-1%

Domestic Market - Third Parties

111

197

-44%

245

-55%

606

1,800

-66%

Exports closed out the 4Q20 with 9 vessels shipped, the same number as in the previous quarter.

Exported volume in the 4Q20 was 1.6 Mt, in line with the 3Q20. Compared to the volume shipped in the same period of the previous year (y-o-y), there was an 8% decrease (1.7 Mt). Distribution by sales term in the 4Q20 was 76% exported in CFR terms (Cost and Freight) and 24% FOB (Free on Board), against 89% and 11% in the 3Q20, respectively.

In 2020, exports were 5.9 Mt, a 28% increase compared to 2019 (4.6Mt). Distribution by sales term in 2020 was 79% CFR and 21% FOB, against 74% and 26% in 2019, respectively.

Comments on the Business Unit Results - Mining - Quarterly

Net Revenue total R$1.4 billion in the 4Q20, a 26.3% increase over that in the 3Q20 (R$1.1 billion), mainly due to the price increase in iron ore and sale of higher value-added products. The average exchange rate remained stable.

Cost Cost of total production per ton was R$72.7/t in the 4Q20, against R$66.7/t in the 3Q20. Excluding expenses with temporarily idle beneficiation plants, cash cost per ton was R$70.9/t in the 4Q20 (R$66.3/t in the 3Q20), a 6.9% increase between periods, mainly due to higher spending with fuel due to higher market price, higher maintenance costs and operation services.

Cost of Goods Solds (COGS) in the 4Q20 was R$395.7 million, 6.8% lower against the previous quarter (R$424.6 million). In unitary terms, COGS/t in the 4Q20 was R$173.9/t, a 6.1% decrease over the previous quarter (R$185.2/t), mainly due to fall in the price of international freight, in addition to lower share of sales in the CFR mode.

Sales Expenses totaled R$51.7 million in the 4Q20, in line with the amount accounted in the previous quarter (3Q20: R$51.4 million).

General and Administrative Expenses in the 4Q20 totaled R$7.5 million, a 10.9% increase compared to the 3Q20 (R$6.8 million), due to higher personnel expenses.

Other Operating Revenue (Expenses) showed a positive result of R$596.0 million against a negative R$26.2 million in the 3Q20, mainly due to reversal of Impairment in the amount of R$631.0 million due to revaluation of assets of Mineração Usiminas. Remembering that the reversal of Impairment does not affect the amount of Adjusted EBITDA calculated in the quarter.

Adjusted EBITDA reached R$958 million in the 4Q20, with Mineração Usiminas reached a new historical high for EBITDA in the quarter, representing a 48.7% increase over that in the 3Q20 (R$644 million). Adjusted EBITDA Margin was 67.8% in the 4Q20 (3Q20: 57.6%).

Comments on the Business Unit Results - Mining - Annual

In 2020, Net Revenue totaled R$3.9 billion, a 94.0% increase in relation to 2019 (R$2.0 billion). The increase mainly occurred due to: (i) higher average international iron ore prices, which had an average quotation of US$108.72/t against an average US$93.43/t in 2019, a 16.4% increase; (ii) higher export volumes by 27.7% with higher value added, thanks to higher ITM Samambaia production and; (iii) Real average depreciation of 30.7% against the Dollar in the period.

In 2020, Cash Cost of total production per ton was R$69.7/t, an 8.2% increase over 2019 (R$64.5/t). Excluding expenses with temporarily idle beneficiation plants, cash cost per ton was R$67.9/t in 2020 (R$60.2/t in 2019), a 12.7% increase between periods, mainly related to higher dollar-pegged costs and readjustments in service contracts linked to inflation.

Cost of Goods Sold (COGS) totaled R$1.5 billion in 2020, 29.5% higher than in 2019 (R$1.1 billion). In unitary terms, COGS/t was R$170.7/t, a 28.5% increase compared to 2019 (R$132.8/t), due to higher sales volume for export (27.7%).

Sales Expenses in 2020 totaled R$189.7 million, a 63.3% increase (2019: R$116.2 million), mainly related to higher sales volume for export, with part of the expenses dollarized and higher prices practiced.

General and Administrative Expenses totaled R$26.7 million in the year, a 9.7% increase compared to 2019 (R$24.4 million)

In 2020, Other Operating Revenue (Expenses) showed a positive result of R$526.2 million (2019: negative R$100.3 million), mainly due to Impairment reversal effects in the amount of R$631.0 million accounted in 2020, without effect on Adjusted EBITDA, an effect not observed in the previous fiscal year.

Adjusted EDITDA reached R$2.2 billion in 2020, with Mineração Usiminas reaching a new historical high of EBITDA, an increase of 196.7% over 2019 (R$741 million). Adjusted EBITDA Margin was 57.0% in 2020 (2019: 37.2%).

Investments (CAPEX)

CAPEX totaled R$76.9 million in the 4Q20, against R$47.6 million accounted in the 3Q20, a 61.7% increase in investment. The main investments were applied to safety, with a highlight to the dry stacking system and sustaining CAPEX.

In 2020, investments made by the Mining Unit totaled R$208.8 million, 59.7% higher than in 2019 (R$130.8 million), applied mainly to the Dry Stacking project.

Business Unit - Steel

World Steel Association (WSA) statistics for crude steel production for 2020 reached 1,864 billion, a decline of 0.9% compared to same period in 2019. The retraction affected several of the main producing countries. Among the 5 largest, the highlights were the falls in India (-10.6%), Japan (-16.2%) and the United States (-17.2%). China and Russia had increases of 5.2% and 2.6%, respectively. In Brazil, production of 31.0 million tons in 2020 meant a decrease of 4.9% compared to 2019.

According to the Brazilian Steel Institute, 2020 was surprising to everyone. Steel consumption in the country ended 2020 with a 1.2% increase over the previous year. The flat steel market demand had a soft landing of -0.5%, with stability in the parcel of domestic sales and decline of 7.7% in imports, which corresponded to 10.8% of consumption volume in the year. Flat finished product exports, on the other hand, fell 30%, to 1.6 Mt.

The figures of the National Steel Distributors Institute (INDA) reinforce the dynamic of decline followed by strong recovery in the flat steel market. Sales in 2H20 were on average 23% higher to those in the same period of 2019 and closed the year with a 6.6% increase. Inventories remain at historically low levels, with turnover of 2.3 months.

Production - Ipatinga and Cubatão Plants

Crude steel production at the Ipatinga Plant was 760 thousand tons in the 4Q20, 9.2% higher in relation to the 3Q20 (696 thousand tons). Finished production at the Ipatinga and Cubatão Plants totaled 1.143 million tons in the 4Q20 (3Q20: 801 thousand tons), a 42.7% increase, reflex of efforts made by the Company to meet domestic demand in the quarter. In the 4Q20, 521 thousand tons of purchased slab were processed (3Q20: 240 thousand tons).

In 2020, crude steel production at the Ipatinga Plant was 2.760 million tons, 15.4% lower in relation to 2019 (3.264 million tons). Finished production at the Ipatinga and Cubatão Plants totaled 3.695 million tons in the year (2019: 4.064 millon tons) a 9.1% decrease, resultant from the measures taken to adapt needed production to the fall in demand observed in beginning of the pandemic. It is worthy mentioning the efforts of the Company to adapt production to recovery in demand, considering that finished production in the 4Q20 was 69.1% higher than that accounted in the 2Q20 (676 thousand tons). In 2020, 1.245 million tons of purchased slab were processed (2019: 1.272 million tons).

Production of Crude and Rolled Steel

Thousand tons Total Crude Steel Purchased Slab Processed

Total Rolled Steel

760 521 1,143

4Q20 3Q20 ∆ 4Q19 ∆

696 240 801

9.2% 117.2% 42.7%

  • 797 -4.6%

  • 223 133.8%

  • 944 21.1%

2020 2,760 1,245 3,695

2019 ∆

3,264 -15.4%

1,272 -2.1%

4,064 -9.1%

Sales

In the 4Q20, total sales came to 1.133 million tons of steel, a 21.4% growth over that in the 3Q20 (934 thousand tons), representing the highest quarterly sales volume of the Steel Unit since 4Q15, reflecting Usiminas' efforts to capture the recovery in demand presented in 4Q20, with sales growth in all its segments, with highlight for sales to the automotive segment. In the domestic market, sales were 1.093 million tons in the 4Q20, the highest quarterly volume since the 1Q15, a 36.5% increase over the 3Q20 (801 thousand tons). Export sales in the 4Q20 were 40 thousand tons, 69.9% lower than in the 3Q20 (133 thousand tons), with main destination the national clients with production chains abroad. Sales volume was 96% to the domestic market and 4% for export, a result of Usiminas' efforts to meet local customers' demand. The quarterly and annual sales evolution is shown in the graph below (in thousands of tons):

Main export destinations in the quarter were:

In 2020, total sales were 3.7 million tons of steel, a 9.3% decline over 2019 (4.1 million tons), reflecting the impact of the Covid-19 pandemic in the steel consuming segments, especially in the 2Q20. The most impacted segment of Usiminas customers by the pandemic was the automobile industry, with national automobile production falling 31.6% compared to 2019, according to data from ANFAVEA. On the other hand, industrial customers showed an increase in volume purchased, mainly in Civil Construction and White Goods, reflecting Usiminas' efforts to serve segments that have shown greater resilience throughout 2020. In the domestic market, sales were 3.3 million tons in 2020, a 10.3% decrease in relation to 2019 (3.7 million tons). Export sales in the year were 421 thousand tons, 0.8% less than in 2019 (424 thousand tons). Sales volume was 89% to the domestic market and 11% to exports.

The main export destinations in the year were:

Sales to the Domestic Market were distributed among the following segments:

4Q20

3Q20

∆

4Q19

∆

2020

2019

∆

Auto Industry

33.0%

27.2%

+ 6 p.p.

32.4%

+ 1 p.p.

0%

31.0%

35.2%

- 4 p.p.

Distribution

33.1%

35.2%

- 2 p.p.

38.8%

- 6 p.p.

0

34.1%

36.3%

- 2 p.p.

Industry

33.9%

37.6%

- 4 p.p.

28.8%

+ 5 p.p.

0

34.9%

28.5%

+ 6 p.p.

12

Comments on the Business Unit Results - Steel - Quarterly

In the 4Q29, Net Revenue in the Steel Unit was R$4.2 billion, growing 38.0% over the 3Q20 (R$3.0 billion) mainly due to higher sales volume by 21.4%, a net revenue/ton sold of R$3,703.8/t, 13.7% higher that the previous quarter (3Q20: R$3,258.1/t), a consequence of higher prices practiced in all product lines.

Cash cost per ton was R$2,724/t in the 4Q20, 11.4% higher over the 3Q20 (R$2,445/t). Among the main variations in per-ton cost in the period, stands out the greater share of purchased slabs in the production mix stood out and higher purchase price compared to previous quarter, partially offset by greater dilution of fixed costs due to the higher production level.

Cost of Goods Sold (COGS) was R$3.7 billion in the 4Q20, 28.9% higher in relation to the 3Q20 (R$2.9 billion), due to higher steel volume sold in the period. COGS per ton was R$3,258/t in the 4Q20, a 6.3% increase in relation to the 3Q20 (R$3,066/t), mainly due to greater share of purchased slab in the mix.

Sales Expenses totaled R$26 million in the 4Q20, 11.7% lower compared to the 3Q20 (R$29 million), mainly due to lower costs related to exports, given the export volume was 69.8% lower that the previous quarter.

In the 4Q20, General and Administrative Expenses totaled R$96 million, 24.1% higher than in the 3Q20 (R$77 million), mainly related to personnel and social charges, typical in this period of the year.

Other Operating Revenue (Expenses) were R$109 million in the 4Q20, presenting an increase of R$240 million compared to the 3Q20 (negative R$130 million), mainly due to:

•

Higher result in Asset Sales of R$160 million, related to the sale of Usiminas'

Headquarters and commercial property at Shopping Vale do Aço.

  • • R$107 million, referring to the reversal of loss of intangible assets generated in the acquisition of a subsidiary included in the item Asset Impairment, and with no effect on Adjusted EBITDA.

Thus, Adjusted EBITDA reached R$605 million in the 4Q20, 286.2% higher than that accounted in the 3Q20 (R$157 million). Adjusted EBITDA Margin was 14.4% in the 4Q20, against 5.2% in the 3Q20. Excluding the sale of non-recurring assets, at R$ 151 million, Adjusted EBITDA without non-recurring effects was R$ 454 million.

Comments on the Business Unit Results - Steel - Annual

In 2020, Net Revenue in the Steel Unit was R$12.4 billion, 2.7% lower than that accounted in the previous year (R$12.7 billion) mainly due to lower sales volume by 9.3%, partially compensated by net revenue/ton sold of R$3,322.7/t, 7.2% higher that in the previous year (2019: R$3,098.5/t), as a result of higher prices practiced in all product lines.

Cash Cost per Ton in 2020 was R$2,629/t, 10.3% higher in relation to 2019 (R$2,384/t). Among the main variations, we highlight the higher costs with purchased slabs, mainly due to the higher price and greater participation of slabs in the production mix and higher cost with iron ore, reflecting the 16.4% increase in the international average price and the average appreciation of the dollar against to the real of 30.7%, partially offset by lower costs with coal and coke, the lower average cost of coal used and due to the production mix.

Cost of Good Solds (COGS) was R$11.5 billion in 2020, 2.5% lower over the previous year (2019: R$11.8 billion), given the lower steel volume sold in the period. In 2020, COGS per ton was R$3,083/t, a 7.5% increase in relation to 2019 (R$2,868/t), mainly due to higher unitary production cost in the period.

In 2020, Sales Expenses totaled R$141 million, 28.7% higher compared to 2019 (R$109 million), mainly due to recognition of a non-recurring provision for doubtful accounts, in theamount of R$19 million in the 2Q20, while reversions of provisions of this nature were accounted in 2019 in the amount of R$24 million.

General and Administrative Expenses totaled R$337 million in 2020, 1.3% higher than in the previous year (2019: R$333 million).

Other operating revenue (expenses) were a negative R$137 million in 2020, showing a 50.2% decrease compared to 2019 (negative R$276 million), mainly due to:

  • • Result of Asset Sales in the amount of R$170 million, (2019: R$3.4 million), related to sales accounted in the 4Q20;

  • • R$ 107 million in the Impairment item in 4Q20, (2019: negative R $ 13 million).

Bearing in mind that this effect does not impact Adjusted EBITDA.

Partially compensated by:

  • • Higher Idle Capacity Expenses by R$88 million, related to temporarily stopped equipment as a result of the COVID-19 pandemic;

  • • Recognition of R$117 million related to the Eletrobras compulsory loan in the Steel Unit, without similar effect in 2020.

Thus, Adjusted EBITDA reached R$1.0 billion in 2020, 6.6% lower to that accounted in 2019 (R$1.1 billion). Adjusted EBITDA Margin was 8.3% in 2020, against an 8.7% margin in 2019.

Investments (CAPEX)

CAPEX totaled R$165 million in the 4Q20, a 30.7% increase in relation to the 3Q20 (R$126 million). In 2020, CAPEX totaled R$576 million, a 5.2% increase over the previous year (R$548 million), with investments mainly applied to sustaining CAPEX, environment, health and safety.

Business Unit - Steel Processing

Comments on the Business Unit Results - Soluções Usiminas - Quarterly

In the 4Q20, Net Revenue totaled R$1.4 billion, a 29.3% increase over that in the 3Q20 (R$1.1 billion), the highest net revenue in the history of Soluções Usiminas, due to higher sales volume of 14.5%, also a record for the Unit, and higher prices practiced. Sales of the Distribution, Services/JIT and Tubes were responsible for 32.9%, 59.5% and 7.6%, respectively of the volume sold in the 4Q20.

In the 4Q20, Cost of Goods Sold was R$1.2 billion, a 22.1% increase over the 3Q20 (R$989 million), mainly due to higher sales volume in the period. COGS/t was R$3,613.2/t in the 4Q20, a 6.7% increase over the 3Q20 (R$3,387.3/t) due to higher raw materials costs in the period.

Net Operating Revenue (Expenses) were a negative R$40 million in the 4Q20, 70.4% higher compared to the 3Q20 (negative R$23 million), mainly due to higher sales expenses due to higher sales volume and prices practiced and by higher expenses with provisions, which reached R$7 million in the 4Q20, against a reversion of R$4 million in the 3Q20.

Adjusted EBITDA in the 4Q20 was R$137 million, 126.4% higher to that accounted in the previous quarter (3Q20: R$61 million), with Soluções Usiminas achieving its historical high of EBITDA in a quarter. Adjusted EBITDA Margin was 10.0% in the 4Q20 (3Q20: 5.7%).

Comments on the Business Unit Results - Soluções Usiminas - Annual

In 2020, Net Revenue totaled R$3.8 billion, a 3.0% increase over 2019 (R$3.3 billion) due to higher prices practiced over the year, inspite of an 8.9% decrease in sales volume due to the Covid-19 impact, mainly in the 2Q20.

Cost of Goods Sold in 2020 was R$3.5 billion, in line with that accounted in 2019. COGS/t was R$3,395.3/t in 2020, a 9.6% increase in relation to 2019 (R$3,097.1/t), mainly due to higher raw materials costs in the period.

Net Operating Revenue (Expenses) were a negative R$123 million in 2020, 22.6% higher compared to 2019 (negative R$100 million), mainly due to higher sales expenses with higher prices practiced and higher expenses with provisions.

Adjusted EBITDA in 2020 was R$212 million, 75.7% higher to that accounted in the previous year (2019: R$120.4 million), with Soluções Usiminas reaching its historical high for EBITDA. Adjusted EBITDA Margin in the year was 5.5% (2019: 3.2%).

Business Unit - Capital Goods

Comments of the Business Unit Results - Usiminas Mecânica

In the 4Q20, Net Revenue was R$60 million, 94.2% higher against the 3Q20 (R$31 million), mainly due to inventory sales.

The Capital Goods Unit presented Gross Loss of R$7 million in the 4Q20 (3Q20: gross loss of R$42 million).

Adjusted EBITDA in the 4Q20 was a negative R$16 million (3Q20: negative R$41 million).

In 2020, net revenue accounted was R$248 million, 39.7% lowever compared to 2019 (R$412 million), reflecting the strategic redirecting of the company to only service Assembly/Maintenance to Usiminas and its associate companies. It is worth mentioning that the Company maintains its commitment to all clients that have projects in progress, which will be completed and delivered as agreed.

The gross loss was R$88.6 million, reverting the gross profit in 2019 (R$23 million).

Adjusted EBITDA in 2020 totaled a negative R$145 million, R$129 million lower than that accounted in 2019 (negative R$16 million), mainly due to the restructuring process of the business. EBITDA Margin in 2020 was -58.5% (2019: -3.9%).

Equity in the Results

Equity in the results of subsidiaries and associate companies jointly totaled R$59 million in the 4Q20, against R$40 million in the previous quarter.

In 2020, equity in the results of subsidiaries and associate companies totaled R$160 million, against R$181 million in 2019.

Others

Somisa dam de-characterization

On 01/07/21 the National Mining Agency (Agência Nacional de Mineração - ANM) issued a favorable opinion for the de-characterization of the Somisa Dam, indicating that the structure may be unsubscribed from the Integrated System and Management of Mining Dams (Sistema Integrado e Gestão de Barragens de Mineração - SIGMB). On 01/26/21 the State Foundation for the Environment (Fundação Estadual de Meio Ambiente - FEAM) issued a favorable opinion for the de-characterization of the Somisa Dam, informing that the structure will be removed from the Environmental Declarations Database, being exempt from complying with the determinations of the Normative Resolution (Deliberação Normativa - DN) Copam nº 62/2002; DN Copam nº 87/2005 and DN Copam nº 124/2008. Both demonstrations declare that Somisa no longer has artificial barrier characteristics and does not fit the concept of a dam, according to current regulations.

Return to operation of Blast Furnace 2 at the Ipatinga Plant

On 12/17/2020, the Company's Board of Directors approved resumption of operation of Blast Furnace Nr 2 of the Ipatinga Plant, forecast for 06/01/2021, which will have CAPEX of approximately R$67 million. The return of the Blast Furnace is in line with Usiminas'

commitment to generation of sustainable results, as well as perennial efforts of the Company to meet the demand of domestic customers.

Sale of the Company Headquarters

On 12/17/2020, the Board of Directors approved the sale of the building of the Company's headquarters to the São Francisco Xavier Foundation in the amount of R$130 million, on a market basis, with R$125.2 million net of asset write off, thus positively impacting the Company's EBITDA in the 4Q20. The São Francisco Xavier Foundation, founded by Usiminas in 1969, operates in the areas of health and education and intends to use the property to expand its hospital network, strengthening its operations in the State of Minas Gerais and in the Country.

Term of Agreement with the Board of Directors of the Antitrust Counsel (CADE)

On 12/16/2020, the Company signed a Term of Legal Agreement with the Board of Directors of the Antitrust Counsel (Conselho Administrativo de Defesa Econômica - CADE) with the intention to end all controversies related to Administrative and Judicial Process, in addition to other demands related to that case. The referred to agreement further includes all controversies related to former Companhia Siderúrgica Paulista - COSIPA - incorporated by the Company in 2009. In compensation, the Company will pay to CADE the amount of R$118.6 million, which is duly provisioned, in installments, in the maximum termof three (3) years, with payment of the first installment in up to 30 (thirty) days after signing of the agreement and another six installments semi-annualy from 06/30/21. The Notice to the Market is available to stackholders on the websites of CVM (www.cvm.gov.br - Portuguese only), B3 (www.b3.com.br - Portuguese only) and the Company itself (www.usiminas.com/ri - Original in Portuguese with free translation to English).

ESG Agenda - Sustainability Themes

In 2020 we prepared to further develop Usiminas' ESG agenda. In June, the General Management Corporate Sustainability Department was created, directly subordinated to the CEO, whose mission is to articulate and follow all themes related to the Company's sustainability agenda.

As an ongoing activity, we created the Sustainability Committee where the entire Executive Board and the main Usiminas and subsidiary leadership have a seat. It is in this forum that ESG themes will gain the needed transversality.

As part of the work strategy in networking and contributing to the 17 Sustainable Development Objectives, as well as the 10 principles of the United Nations Global Pact, Usiminas reaffirms its intention to actively participate in the Brazil Global Pact Network.

We also began the structuring of the following of the main themes that make up the Materiality Matrix of Usiminas' sustainability agenda by means of indicators. To the measure that these indicators are matured, we will take the next steps with establishment of qualitative and quantitative goals.

In this sense, the Company begins the process of disclosing goals already approved by the Executive Board, assuming the following commitments:

Subject

Indicator

Goal

Diversity and Inclusion

10% of women in the company's Industrial area by 2022;

Work Safety

Number of women in the industrial area of the company Accident frequency rate recorded

CO2 / Energy

Carbon Emissions

Conect to the CDP (Carbon Disclosure Project) and disclosure of the inventory through the GHG Protocol;

Zero Accident Target. LTI Frequency Rate less than 0.3 in 2021; Conducting GHG emission inventories in the year 2021 with independent certification;

Migration of the tailings disposal from the traditional method to filtering in 2T21;

Dams

Dam Safety

De-characterization of the Central dam in 1T22 certified by competent agencies.

In terms of its commitment to sustainability, the Company presented important results:

Diversity and Inclusion

SDG

The Company took a census on diversity and maintains the educational campaign, such as the LGBTI+ pride event, held in the month of June. Also underway is the first roundtable of the mentoring and coaching program with female employees, with a view to develop potential of these women and prepare them for leadership roles. Usiminas also launched its first all-female learning group, seeking to increase the presence of women in all areas of the Company. Through these and several other initiatives, Usiminas was able to double the participation of women in leadership positions from the beginning in the Diversity and Inclusion program, from 5.5% in March 2019 to 11.8% at the end of 2020, when it was the verification is completed.

Environment

SDG

The Company made important improvements in Ipatinga plant seeking to reduce emissions and dissemination of particulate material. In a proactive manner, Usiminas installed the Environmental Monitoring Center and an Automatic Environmental Monitoring Network, allowing continuous monitoring in real time of operations and rapid response to clear up possible abnormalities. In December, the Company defined, along with Public Authorities, and announced to the community the objectives and goals for reduction of material, which should be achieved by the end of 2021.

Usiminas "Mobiliza" Program

SDG

The fronts of the Usiminas' Mobiliza Program involve several collaborative partners, reaching important consolidated numbers over the last few years.

Usiminas Mobiliza "Along the Pathes of the Valley":

Recovering more than 3,000 kilometers of rural roads and local streets through the application of around 3.58 million tons of Siderbrita (Co-product of Usiminas generated from recycled waste), benefitting 84 participating municipalities in Eastern Minas Gerais, with improved transit of goods produced by family-owned agriculture and facilitating access to education, health and other essential services.

Usiminas Mobiliza "All for the Water":

The project includes 4,590 headwaters in the process of recovery in 84 participating municipalities in Eastern Minas, with the planting of around 1.13 million saplings (average 247/headwater).

Usiminas Mobiliza "For Work":

Creation in the Timóteo Prison of an interlocking block plant made of steel co-products (Siderbrita), contributing to the re-socia lization of 50 convicts and improvement of the family well being.

Mineração Usiminas

SDG

At Mineração Usiminas, the highlight is for the Filtering Plant and Dry Stacking of Tailings. The company obtained permits in June 2020, with conclusion scheduled for 2Q21. The new plant will receive investments of around R$160 million. The adoption of the new technology will end the cycle of use of conventional tailings dams for Mineração Usiminas. After the de-characterization of the Somisa Dam, the company has two of these structures, with only one in operation and the other will be deactivated, in accordance with prevailing law.

COVID-19

SDG

Since the occurrence of the first cases of Covid-19 in Brazil, Usiminas has been taking several preventative measures against the disease and for protection of its employees, in support of the communities where it operates. Throughout 2020, the company invested around R$27 million through its São Francisco Xavier Foundation to this end.

Internally, Usiminas, among other actions, restricted travel and meetings, adopted the home office system and made adjustments to cafeterias and dining areas and buses that transport employees. Sanitization of work areas was reinforced, and, at the Ipatinga Plant, work shifts were changed in such a way as to reduce the quantity of people at the plant. The Company also began a strategic testing program, allowing identification of cases and mapping of possible contamination contacts.

Capital Markets

Usiminas Performance Summary - B3 (USIM5)

4Q20

3Q20

∆

4Q19

∆

Number of Deals

1,394,907

1,281,569

9%

788,803

77%

Daily Average

22,867

19,716

16%

12,931

77%

Traded - thousand shares

1,106,915

1,377,760

-20%

824,352

34%

Daily Average

18,146

21,196

-14%

13,514

34%

Financial Volume - R$ million

13,636

12,725

7%

6,720

103%

Daily Average

224

196

14%

110

103%

Maximum

15.20

11.64

31%

9.65

58%

Minimum

9.82

7.41

33%

7.12

38%

Closing

14.61

10.03

46%

9.51

54%

Market Capitalization - R$ million

18,307

12,568

46%

11,917

54%

Performance on the B3

Usiminas' common shares (USIM3) closed the 4Q20 quoted at R$15.69 and its preferred shares (USIM5) at R$14.61. In the 4Q20, USIM3 and USIM5 appreciated 53.2% and 45.7%, respectively. In the same period, the Ibovespa appreciated 25.8%. Over 2020, USIM3 shares appreciated 59.0% and USIM5, 53.6%, while the Ibovespa appreciated 2.9%.

Foreign Stock Markets

OTC - New York

Usiminas has American Depositary Receipts (ADRs) traded on the over-the-counter market: USDMY is backed by common shares and USNZY, by Class A preferred shares. On 12/31/2020, USNZY ADRs, which have higher liquidity, were quoted at US$2.57 and presented an appreciation in the quarter of 48.6% and 10.8% in the year.

Latibex - Madrid

Usiminas' shares are traded on the Latibex - the Madrid Stock Exchange: XUSI as preferred shares and XUSIO as common shares. On 12/31/20, XUSI closed quoted at €2.28 appreciating 36.5% in the quarter and 16.9% in the year. XUSIO shares closed quoted at €2.42, appreciating 38.3% in the quarter and 14.2% in the year.

INVESTOR RELATIONS DEPARTMENT

Leonardo Karam Rosa

leonardo.rosa@usiminas.com

55 31 3499-8550

Felipe Gabriel Pinheiro Rodrigues

f.gabriel@usiminas.com

55 31 3499-8148

João Victor Tofani Ferreira

joao.vferreira@usiminas.com

55 31 3499-8710

Press: please contact us atimprensa@usiminas.com

4T20 e 2020 Live de Resultados - Data 12/02/2021

Live via Zoom com streaming via YouTube no canal da Usiminas

Click here to subscribe in the Zoom event

Replay in both idioms will be available at Usiminas 'Youtube channel or thru Investor Relations' website:www.usiminas.com/ri

Statements contained in this release, relative to the business outlook of the Company, forecasts of operation and financial income and references to growth prospects are mere forecasts and were based on the expectations of Management in relation to future performance. These expectations are highly dependent on market conduct, the economic situation in Brasil, its industry and international markets and, therefore, are subject to change.

Appendix (Excel tables available in the Valuation Guide)

Balance Sheet - Assets - Consolidated | IFRS - R$ thousand

Assets

31-Dec-20

30-Sep-20

31-Dec-19

Current Assets

11,829,602

10,391,300

8,861,282

Cash and Cash Equivalents

4,868,104

3,734,302

1,921,141

Trade Accounts Receivable

2,372,791

2,420,397

1,938,440

Taxes Recoverable

477,352

518,548

779,545

Inventories

3,889,695

3,580,494

3,795,832

Advances to suppliers

86,177

2,863

1,225

Financial Instruments

0

1,396

762

Accounts Receiv - Eletrobras

0

-

305,848

Other Securities Receivables

135,483

133,300

118,489

Non-Current Assets

18,122,535

17,476,067

17,475,750

Long-Term Receivable

4,295,372

4,290,262

4,180,797

Deferred Taxes

2,914,338

3,064,609

3,037,626

Deposits at Law

543,408

548,298

543,658

Accounts Receiv. Affiliated Companies

-

-

1,651

Taxes Recoverable

174,004

173,788

152,336

Financial Instruments

-

7,069

6,950

Accounts Receiv - Gasometer

262,077

223,640

125,050

Others

401,545

272,858

313,526

Equity Investments

1,058,708

1,133,876

1,053,138

Investment Property

100,822

100,827

90,202

Property, Plant and Equipment

11,069,434

11,224,774

11,424,691

Intangible

1,598,199

726,328

726,922

Total Assets

29,952,137

27,867,367

26,337,032

Balance Sheet - Liabilities and Shareholders' Equity - Consolidated | IFRS - R$ thousand

Liabilities and Shareholders' Equity

31-Dec-20

30-Sep-20

31-Dec-19

Current Liabilities

4,479,098

3,690,047

2,889,738

Loans and Financing and Taxes Payable in Installments

140,332

71,797

125,647

Suppliers, Subcontractors and Freight

1,917,690

1,633,137

1,518,270

Wages and Social Charges

180,757

262,164

198,416

Taxes and Taxes Payables

610,804

392,854

114,693

Accounts Payable Forfaiting

880,711

927,184

613,803

Dividends Payable

324,728

8,630

67,814

Customers Advances

139,678

115,692

57,757

Financial Instruments

-

26,950

-

Others

284,398

251,639

193,338

Long-Term Liabilities

8,634,869

8,760,686

7,881,610

Loans and Financing and Taxes Payable in Installments

5,832,410

6,192,003

4,984,905

Actuarial Liability

1,471,801

1,287,642

1,574,796

Provision for Legal Liabilities

799,601

729,813

777,386

Environmental Protection Provision

230,002

241,442

231,591

Others

301,055

309,786

312,932

Shareholders' Equity

16,838,170

15,416,634

15,565,684

Capital

13,200,295

13,200,295

13,200,295

Reserves & Revenues from Fiscal Year

1,667,171

428,937

843,128

Non-controlling shareholders participation

1,970,704

1,787,402

1,522,261

Total Liabilities and Shareholders' Equity

29,952,137

27,867,367

26,337,032

Classification of Information: Public

21

Income Statement - Consolidated | IFRS

Net Revenues

Domestic Market

Exports

COGS

Gross Profit

EBIT

Financial Result

Financial Income

Financial Expenses

Net foreing exchange gain and losses

Equity in the results of investees

Operating Profit (Loss)

Income Tax / Social Contribution

Net Income (Loss)

R$ thousand

∆

4Q19

∆

5,474,270

4,381,212

25%

3,872,891

41%

4,186,725

3,078,104

36%

3,077,462

36%

1,287,545

1,303,108

-1%

795,429

62%

(3,901,465)

(3,489,321)

12%

(3,576,595)

9%

1,572,805

891,891

76%

296,296

431%

28.7%

20.4%

+ 8.4 p.p.

7.7%

+ 21.1 p.p.

476,791

(360,426)

-

(153,247)

-

(96,435)

(96,196)

0%

(76,366)

26%

(3,544)

(4,655)

-24%

11,599

-

(92,891)

(91,541)

1%

(87,965)

6%

(122,317)

(98,233)

25%

(118,441)

3%

695,543

(165,997)

-

41,560

1574%

36,479

2,392

1425%

8,525

328%

(65,786)

(116,679)

-44%

(26,113)

152%

-

-

-

117,337

-

(11,345)

(6,556)

73%

(29,545)

-62%

737,406

(6,752)

-

(16,426)

0%

252

13,128

-98%

314

-20%

(15,807)

(11,978)

32%

(14,131)

12%

(400)

4,506

-

-

-

(57,800)

(2,776)

1982%

(9,655)

499%

38,519

29,596

30%

43,647

-12%

165,146

2,519

6456%

(413)

-

1,923

(3,154)

-

16,102

-88%

(133,044)

(70,243)

89%

(48,082)

177%

2,049,596

531,465

286%

143,049

1333%

EBIT Margin

37.4%

12.1%

+ 25.3 p.p.

3.7%

+ 33.7 p.p.

224,412

(167,817)

-

154,433

45%

79,594

57,014

40%

260,451

-69%

(141,503)

(122,732)

15%

(201,438)

-30%

286,321

(102,099)

-

95,420

200%

58,887

40,031

47%

48,107

22%

2,332,895

403,679

478%

345,589

575%

(420,193)

(205,597)

104%

(77,442)

443%

1,912,702

198,082

866%

268,147

613%

Net Margin

34.9%

4.5%

+ 30.4 p.p.

6.9%

+ 28.0 p.p.

1,559,121

57,118

2630%

219,066

612%

353,581

140,964

151%

49,081

620%

2,361,292

819,962

188%

447,338

428%

43.1%

18.7%

+ 24.4 p.p.

11.6%

+ 31.5 p.p.

1,660,681

825,980

101%

468,447

255%

30.3%

18.9%

+ 11.5 p.p.

12.1%

+ 18.2 p.p.

252,809

248,466

2%

256,182

-1%

∆

Gross Margin

Operating Income (Expenses)

Selling Expenses

Provision for Doubtful Accounts

Other Selling Expenses

General and Administrative

Other Operating Income (expenses)

Credit of tax - Inclusion of ICMS in the base calculation of PIS and COFINS

Idleness expenses (includes depreciation) Credits receivable from Eletrobrás

Legal charges

Impairment of Assets Program Reintegra

Provision for tax credit (ICMS) Provision for onerous contracts Provision for contingencies

Recovery of insurance claims expenses

Result of the non-operating asset sale/write-off Result of the sale of the surplus electric energy Other Operating Income (Expenses), Net

4Q20 3Q20

Attributable: Shareholders Minority Shareholders EBITDA (Instruction CVM 527)

EBITDA Margin (Instruction CVM 527)

Adjusted EBITDA - Jointly-controlled subsidiaries proportional EBITDA

Adjusted EBITDA Margin

Depreciation and Amortization

Income Statement - Consolidated | IFRS

EBITDA Margin (Instruction CVM 527)

Adjusted EBITDA MarginAttributable: Shareholders Minority Shareholders EBITDA (Instruction CVM 527)

EBIT

Financial Result

Financial Income

Financial Expenses

Net foreing exchange gain and losses

Equity in the results of investees

Operating Profit (Loss)

Income Tax / Social Contribution

Net Income (Loss)

Net Revenues

Domestic Market

Exports

COGS Gross ProfitOperating Income (Expenses)

Selling Expenses

Provision for Doubtful Accounts

Other Selling Expenses

General and Administrative

Other Operating Income (Expenses)

Credit of tax - Inclusion of ICMS in the base calculation of PIS and COFINS Idleness expenses (includes depreciation)

Credits receivable from Eletrobras

Legal charges

Impairment of Assets Program Reintegra

Provision of tax credits (ICMS) Provision for onerous contracts

Provision for restructuring process - Usiminas Mecânica Provision for contingencies

Recovery of insurance claims expenses

Result of the non operating asset sale/write-off Result of the sale of the surplus electric energy Other Operating Income (Expenses), Net

Adjusted EBITDA - Jointly-controlled subsidiaries proportional EBITDA

Depreciation and Amortization

R$ thousand

Gross Margin

2020

2019

16,088,052

14,948,719

8%

11,764,836

12,289,660

-4%

4,323,216

2,659,059

63%

(12,831,522)

(13,074,129)

-2%

3,256,530

1,874,590

74%

20.2%

12.5%

+ 7.7 p.p.

(487,824)

(1,102,814)

-56%

(398,385)

(288,515)

38%

(31,487)

18,120

-

(366,898)

(306,635)

20%

(426,764)

(426,905)

0%

337,325

(387,394)

-

46,048

86,860

20%

(332,548)

(276,862)

-47%

-

117,337

(24,994)

(39,558)

-37%

730,654

(16,426)

13,955

1,197

43%

(49,675)

(29,277)

-

(16,706)

-

70%

(19,029)

-

-

(32,563)

(201,921)

-

136,951

95,609

-84%

174,766

5,687

2973%

(8,545)

47,753

-

(280,989)

(177,793)

58%

2,768,706

771,776

259%

EBIT Margin

17.2%

5.2%

+ 12.0 p.p.

(1,082,492)

(509,839)

112%

262,691

622,022

-58%

(580,628)

(946,693)

-39%

(764,555)

(185,168)

313%

159,759

180,735

-12%

1,845,973

442,672

317%

(554,230)

(65,981)

740%

1,291,743

376,691

243%

Net Margin

8.0%

2.5%

+ 5.5 p.p.

672,790

213,265

215%

618,953

163,426

279%

3,928,688

1,944,296

102%

24.4%

13.0%

+ 11.4 p.p.

3,247,241

1,973,010

65%

20.2%

13.2%

+ 7.0 p.p.

1,000,223

991,785

1%

Cash Flow - Consolidated | IFRS

Cash Flow - Consolidated | IFRS

4Q20

3Q20

4Q19

Operating Activities Cash Flow

Net Income (Loss) in the Period

1,912,702

198,082

268,147

Financial Expenses and Monetary Var. / Net Exchge Var.

(300,989)

116,782

(270,746)

Interest Expenses

68,785

73,321

78,940

Depreciation and Amortization

252,809

248,466

256,182

Losses/(gains) on Sale of Property, Plant and Equipment

(165,146)

(2,519)

413

Equity in the Results of Subsidiaries/Associated Companies

(58,887)

(40,031)

(48,107)

Impairment of Assets

(737,405)

6,751

16,426

Difered Income Tax and Social Contribution

149,232

(24,917)

73,190

Constitution (reversal) of Provisions

162,842

387,217

(171,368)

Actuarial Gains and losses

25,110

21,527

21,387

Total

1,309,053

984,679

224,464

(Increase)/Decrease of Assets

Accounts Receivables Customer

32,590

(642,386)

(105,903)

Inventories

(321,273)

372,292

405,797

Recovery of Taxes

(76,700)

(21,754)

(42,330)

Judicial Deposits

(3,816)

9,178

(13,578)

Accounts Receiv. Eletrobras

-

311,534

751,404

Accounts Receiv. Affiliated Companies

-

-

(77)

Others

(189,853)

(32,384)

74,318

Total

(559,052)

(3,520)

1,069,631

Increase /(Decrease) of Liabilities

Suppliers, Contractors and Freights

284,553

554,878

24,622

Amounts Owed to Affiliated Companies

(27,612)

-

-

Customers Advances

23,986

56,159

(42,494)

Tax Payable

209,714

198,965

201,724

Securities Payable Forfaiting

(46,473)

(12,495)

(301,980)

Actuarial Liability Payments

(7,804)

-

(15,800)

Actuarial Liability Received - PB1

(3,728)

-

-

Others

138,399

(17,103)

(114,245)

Total

571,035

780,404

(248,173)

Cash Generated from Operating Activities

1,321,036

1,761,563

1,045,922

Interest Paid

(6,913)

(172,893)

(24,269)

Income Tax and Social Contribution

(87,326)

(51,616)

(28,720)

Net Cash Generated from Operating Activities

1,226,797

1,537,054

992,933

Investments activities cash flow

Marketable Securities

(296,588)

(482,767)

247,385

Capital increase in subsidiary

(22)

-

(17)

Fixed Asset Acquisition

(231,344)

(173,407)

(330,346)

Fixed Asset Sale Receipt

96,933

4,551

(97)

Dividends Received

130,081

2,819

220,678

Purchase of Intangible Assets

(13,150)

(5,439)

(22,071)

Net Cash Employed on Investments Activities

(314,090)

(654,243)

115,532

Financial Activities Cash Flow

Inflow of Loans, Financing and Debentures

-

-

2,000,000

Payment of Loans, Financ. & Debent.

(38,915)

(1,074)

(2,729,374)

Swap Operations Liquidations

(18,443)

(143,720)

-

Dividends and Interest on Capital

(8,660)

-

(32,582)

Net Cash Generated from (Employed on) Financial Activities

(66,018)

(144,794)

(761,956)

Exchange Variation on Cash and Cash Equivalents

(9,475)

7,304

(396)

Net Increase (Decrease) of Cash and Cash Equivalents

837,214

745,321

346,113

Cash and Cash Equivalents at the Beginning of the Period

2,424,074

1,678,753

906,853

Cash and Cash Equivalents at the End of The Period

3,261,288

2,424,074

1,252,966

RECONCILIATION WITH BALANCE SHEET

Cash and Cash Equivalents at the Beginning of the Period

2,424,074

1,678,753

906,853

Marketable Securities at the Beginning of the Period

1,310,228

827,461

915,560

Cash and Cash Equivalents at the Beginning of the Period

3,734,302

2,506,214

1,822,413

Net Increase (Decrease) of Cash and Cash Equivalentes

837,214

745,321

346,113

Net Increase (Decrease) of Marketable Securities

296,588

482,767

(247,385)

Cash and Cash Equivalents at the End of the Period

3,261,288

2,424,074

1,252,966

Marketable Securities at the End of the Period

1,606,816

1,310,228

668,175

Cash and Cash Equivalents at the End of the Period

4,868,104

3,734,302

1,921,141

Classification of Information: Public

23

2020

2019

Operating Activities Cash Flow

Net Income (Loss) in the Period

1,291,743

376,691

Financial Expenses and Monetary Var. / Net Exchge Var.

924,273

47,416

Interest Expenses

312,863

375,479

Depreciation and Amortization

1,000,223

991,785

Losses/(gains) on sale of property, plant and equipment

(174,766)

(5,687)

Equity in the Results of Subsidiaries/Associated Companies

(159,759)

(180,735)

Impairment of Assets

(730,654)

16,426

Difered Income Tax and Social Contribution

(130,384)

(72,979)

Constitution (reversal) of Provisions

743,228

119,233

Actuarial Gains and losses

89,692

85,743

Total

3,166,459

1,753,372

Increase/Decrease of Assets

Accounts Receivables Customer

(422,648)

(93,654)

Inventories

(86,350)

79,505

Recovery of Taxes

(205,431)

(201,656)

Judicial Deposits

(14,349)

(61,829)

Accounts Receiv. Eletrobras

311,534

751,404

Accounts Receiv. Affiliated Companies

1,651

691

Others

(338,949)

(59,485)

Total

(754,542)

414,976

Increase /(Decrease) of Liabilities

Suppliers, contractors and freights

399,420

384,507

Amounts Owed to Affiliated Companies

(41,796)

(12,416)

Customers Advances

81,921

(5,727)

Tax Payable

627,306

524,009

Securities Payable Forfaiting

266,908

(352,124)

Actuarial Liability payments

(24,576)

(131,742)

Actuarial Liability Received - PB1

390,205

-

Others

215,171

(133,427)

Total

1,914,559

273,080

Cash Generated from Operating Activities

4,326,476

2,441,428

Interest Paid

(337,059)

(364,416)

Income Tax and Social Contribution

(230,029)

(105,188)

Net Cash Generated from Operating Activities

3,759,388

1,971,824

Investments activities cash flow

Marketable Securities

(938,641)

(81,616)

Capital increase in subsidiary

(22)

(26)

Fixed asset acquisition

(768,707)

(646,236)

Fixed asset sale receipt

121,281

9,141

Dividends Received

136,902

224,946

Purchase of Intangible Assets

(29,972)

(35,215)

Net Cash Employed on Investments Activities

(1,479,159)

(529,006)

Financial Activities Cash Flow

Inflow of Loans, Financing and Debentures

-

4,811,557

Payment of Loans, Financ. & Debent.

(50,031)

(5,850,504)

Swap Operations Liquidations

(171,472)

(5,507)

Dividends and Interest on Capital

(68,083)

(255,464)

Capital Gain / Reduction

-

-

Net Cash Generated from (Employed on) Financial Activities

(289,586)

(1,299,918)

Exchange Variation on Cash and Cash Equivalents

17,679

3,276

Net Increase (Decrease) of Cash and Cash Equivalents

2,008,322

146,176

Cash and Cash Equivalents at the Beginning of the Period

1,252,966

1,106,790

Cash and Cash Equivalents at the End of The Period

3,261,288

1,252,966

RECONCILIATION WITH BALANCE SHEET

Cash and cash equivalents at the beginning of the period

1,252,966

1,106,790

Marketable securities at the beginning of the period

668,175

586,559

Cash and cash equivalents at the beginning of the period

1,921,141

1,693,349

Net increase (decrease) of cash and cash equivalentes

2,008,322

146,176

Net increase (decrease) of marketable securities

938,641

81,616

Cash and cash equivalents at the end of the period

3,261,288

1,252,966

Marketable securities at the end of the period

1,606,816

668,175

Cash and cash equivalents at the end of the period

4,868,104

1,921,141

Classification of Information: Public

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USIMINAS - Usinas Siderúrgicas de Minas Gerais SA published this content on 12 February 2021 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 12 February 2021 14:42:00 UTC.