CSN Mineração S A : Dados Econômico-Financeiros

Quarterly Financial Information - June 30, 2023 - CSN MINERAÇÃO S.A.

(CONVENIENCE TRANSLATION INTO ENGLISH FROM THE ORIGINAL PREVIOUSLY ISSUED IN PORTUGUESE)

Table of Contents

Company Information

Capital Breakdown	1
Parent Company Financial Statements
Balance Sheet - Assets	2
Balance Sheet - Liabilities	3
Statement of Income	4
Statement of Comprehensive Income	6
Statement of Cash Flows	7
Statement of Changes in Shareholders' Equity
01/01/2023 to 06/30/2023	9
01/01/2022 to 06/30/2022	10
Statement of Value Added	11
Consolidated Financial Statements
Balance Sheet - Assets	12
Balance Sheet - Liabilities	13
Statement of Income	14
Statement of Comprehensive Income	16
Statement of Cash Flows	17
Statement of Changes in Shareholders' Equity
01/01/2023 to 06/30/2023	19
01/01/2022 to 06/30/2022	20
Statement of Value Added	21
Comments on the Company's Consolidated Performance	22
Notes to the financial information	34
Comments on the Performance of Business Projections	66
Reports and Statements
Unqualified Independent Auditors' Review Report	68
Officers Statement on the Financial Statements	69
Officers Statement on Auditor's Report	70

Quarterly Financial Information - June 30, 2023 - CSN MINERAÇÃO S.A.

(CONVENIENCE TRANSLATION INTO ENGLISH FROM THE ORIGINAL PREVIOUSLY ISSUED IN PORTUGUESE)

(Expressed in thousands of reais - R$, unless otherwise stated)

Company Data / Shareholders Capital

Number of Shares	Current period
(Units)	06/30/2023
Paid-in Capital
Common	5,485,338,838
Preferred	0
Total	5,485,338,838
Treasury Shares
Common	0
Preferred	0
Total	0

PAGE: 1 of 70

Quarterly Financial Information - June 30, 2023 - CSN MINERAÇÃO S.A.

(CONVENIENCE TRANSLATION INTO ENGLISH FROM THE ORIGINAL PREVIOUSLY ISSUED IN PORTUGUESE)

(Expressed in thousands of reais - R$, unless otherwise stated)

Parent Company Financial Statements / Balance Sheet - Assets

(R$ thousand)

		Current Year	Previous Year
Code	Description	06/30/2023	12/31/2022
1	ASSETS	26,118,881	24,853,853
1.01	CURRENT ASSETS	10,406,048	9,534,751
1.01.01	Cash and cash equivalents	7,777,159	6,414,998
1.01.02	Financial investments	11,248	247,326
1.01.02.03	Financial Investments Valued at Amortized Cost	11,248	247,326
1.01.03	Trade receivables	856,473	1,538,234
1.01.04	Inventories	1,079,860	923,849
1.01.06	Recoverable taxes	278,849	175,889
1.01.06.01	Recoverable taxes	278,849	175,889
1.01.08	Other Current Assets	402,459	234,455
1.01.08.03	Others	402,459	234,455
1.01.08.03.03	Other Assets	402,459	234,455
1.02	NONCURRENT ASSETS	15,712,833	15,319,102
1.02.01	Long Term Assets	1,417,957	1,255,953
1.02.01.05	Inventories	1,225,678	1,039,983
1.02.01.05.01	Inventories	1,225,678	1,039,983
1.02.01.10	Other Noncurrent Assets	192,279	215,970
1.02.01.10.04	Recoverable taxes	117,319	112,664
1.02.01.10.05	Other Assets	74,960	103,306
1.02.02	Investments	1,863,959	1,797,990
1.02.03	Fixed Assets	8,227,358	8,058,748
1.02.03.01	Fixed Assets in Operation	6,314,374	6,330,643
1.02.03.02	Right of Use in Lease	122,311	129,091
1.02.03.03	Fixed assets in progress	1,790,673	1,599,014
1.02.04	Intangible	4,203,559	4,206,411

PAGE: 2 of 70

Quarterly Financial Information - June 30, 2023 - CSN MINERAÇÃO S.A.

(CONVENIENCE TRANSLATION INTO ENGLISH FROM THE ORIGINAL PREVIOUSLY ISSUED IN PORTUGUESE)

(Expressed in thousands of reais - R$, unless otherwise stated)

Parent Company Financial Statements / Balance Sheet - Liabilities

(R$ thousand)

		Current Year	Previous Year
Code	Description	06/30/2023	12/31/2022
2	LIABILITY	26,118,881	24,853,853
2.01	CURRENT LIABILITY	3,801,309	4,607,925
2.01.01	Social and Labor Obligations	100,355	81,381
2.01.02	Trade payables	1,557,369	1,383,623
2.01.03	Fiscal Obligations	341,849	427,449
2.01.04	Borrowings and financing	368,348	1,045,990
2.01.05	Others Obligations	1,429,646	1,666,366
2.01.05.02	Others	1,429,646	1,666,366
2.01.05.02.01	Dividends and JCP payable	-	74,566
2.01.05.02.04	Lease liabilities	13,204	17,533
2.01.05.02.05	Advances from customers	1,302,151	933,315
2.01.05.02.06	Derivative financial instruments	-	416,935
2.01.05.02.07	Others Obligations	114,291	224,017
2.01.06	Provisions	3,742	3,116
2.01.06.01	Tax, Social Security, Labor and Civil Provisions	3,742	3,116
2.02	NON-CURRENT LIABILITY	11,852,927	8,852,501
2.02.01	Borrowings and financing	7,209,500	7,350,418
2.02.02	Others Obligations	4,204,074	1,356,120
2.02.02.02	Others	4,204,074	1,356,120
2.02.02.02.03	Lease liabilities	116,988	117,847
2.02.02.02.04	Advances from customers	3,452,418	549,670
2.02.02.02.05	Taxes to be collected	79,762	113,055
2.02.02.02.06	Environmental liabilities and decommissioning (ARO)	507,245	486,275
2.02.02.02.07	Others Obligations	39,508	57,356
2.02.02.02.08	Trade payables	8,153	31,917
2.02.03	Deferred Taxes	366,454	81,323
2.02.04	Provisions	72,899	64,640
2.02.04.01	Tax, Social Security, Labor and Civil Provisions	72,899	64,640
2.03	SHAREHOLDERS' EQUITY	10,464,645	11,393,427
2.03.01	Paid-in capital	7,473,980	7,473,980
2.03.02	Capital reserves	127,042	127,042
2.03.04	Profit Reserves	1,784,860	3,966,773
2.03.04.01	Legal Reserve	1,087,698	1,087,698
2.03.04.08	Proposed Additional Dividend	-	631,913
2.03.04.10	Reserve Investments	697,162	2,247,162
2.03.05	Retained Earnings/Losses	730,545	-
2.03.06	Equity Valuation Adjustments	322,635	322,635
2.03.08	Other Comprehensive Results	25,583	(497,003)

PAGE: 3 of 70

Quarterly Financial Information - June 30, 2023 - CSN MINERAÇÃO S.A.

(CONVENIENCE TRANSLATION INTO ENGLISH FROM THE ORIGINAL PREVIOUSLY ISSUED IN PORTUGUESE)

(Expressed in thousands of reais - R$, unless otherwise stated)

Parent Company Financial Statements / Statement of Income (R$ thousand)

Code	Description

3.01Revenue from the Sale of Goods and/or Services

3.02Cost of Goods and/or Services Sold

3.03Gross Profit

3.04Operating Expenses/Revenues

3.04.01 Selling expenses

3.04.02 General and administrative expenses

3.04.04 Other Operating Revenues

3.04.05 Other Operating Expenses

3.04.06 Equity in results of investee

3.05Income before taxes

3.06Financial Results

3.06.01 Financial Revenues

3.06.02 Financial Expenses

3.06.02.01 Financial Expenses

3.06.02.02 Net monetary and exchange rate variations

3.07Income Before Taxes on Profits

3.08Income Tax and Social Contribution on Profits

3.08.01 Current

3.08.02 Deferred

3.09Net Result from Continued Operations

3.11Net income for the Year

3.99Earnings per Share - (Reais / Share)

3.99.01 Basic Earnings per Share

		Same quarter
Current Quarter	Year to date	previous year	YTD previous year
04/01/2023 to	01/01/2023 to	04/01/2022 to	01/01/2022 to
06/30/2023	06/30/2023	06/30/2022	06/30/2022
4,015,057	8,528,300	2,679,299	6,571,011
(2,642,658)	(4,880,456)	(1,848,897)	(3,459,870)
1,372,399	3,647,844	830,402	3,111,141
(296,681)	(1,430,257)	(169,515)	(387,031)
(502,503)	(983,804)	(151,794)	(235,893)
(37,065)	(71,797)	(20,909)	(46,433)
733	1,441	24,449	24,735
192,467	(441,513)	(57,823)	(178,154)
49,687	65,416	36,562	48,714
1,075,718	2,217,587	660,887	2,724,110
(503,888)	(883,200)	566,424	(394,455)
122,560	248,781	54,964	132,190
(626,448)	(1,131,981)	511,460	(526,645)
(331,482)	(548,401)	(148,616)	(287,458)
(294,966)	(583,580)	660,076	(239,187)
571,830	1,334,387	1,227,311	2,329,655
(77,649)	(324,408)	(401,590)	(764,793)
(50,893)	(308,484)	(411,393)	(781,703)
(26,756)	(15,924)	9,803	16,910
494,181	1,009,979	825,721	1,564,862
494,181	1,009,979	825,721	1,564,862

PAGE: 4 of 70