MT / ArcelorMittal S.A. - Depositary Receipt (Common Stock) - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

ArcelorMittal S.A. - Depositary Receipt (Common Stock)
US ˙ NYSE ˙ US03938L2034

Mga Batayang Estadistika
LEI 2EULGUTUI56JI9SAL165
CIK 1243429
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to ArcelorMittal S.A. - Depositary Receipt (Common Stock)
SEC Filings (Chronological Order)
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August 4, 2025 EX-99.1

ENDS

Exhibit 99.1 press release ArcelorMittal publishes its 2025 half-year report 1 August 2025, 19:30 CET ArcelorMittal (the ‘Company’) has today published its half-year report for the six-month period ended 30 June 2025. The report is available on http://corporate.arcelormittal.com/ under Investors > Financial reports > Half-year reports, and on the electronic database of the Luxembourg Stock Exchang

August 4, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated August 1, 2025 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated August 1, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

August 1, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated August 1, 2025 Commission File Number 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated August 1, 2025 Commission File Number 001-35788 ARCELORMITTAL (Translation of Registrant’s name into English) 24-26, boulevard d’Avranches, L-1160 Luxembourg, Grand Duchy of Luxembourg (Address of princip

July 31, 2025 EX-99.1

ARCELORMITTAL 6-K

ARCELORMITTAL 6-K EXHIBIT 99.1 ArcelorMittal reports second quarter 2025 Luxembourg, July 31, 2025 - ArcelorMittal (referred to as “ArcelorMittal” or the “Company” or the "Group") (MT (New York, Amsterdam, Paris, Luxembourg), MTS (Madrid)), the world’s leading integrated steel and mining company, today announced results1 for the three-month and six-month periods ended June 30, 2025. 2Q 2025 key hi

July 31, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated July 31, 2025 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated July 31, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of principal

July 30, 2025 EX-99.1

2025 sell-side analyst consensus figures

Exhibit 99.1 press release ArcelorMittal announces the publication of its second quarter 2025 sell-side analyst consensus figures July 29, 2025, 15:30 CET ArcelorMittal (‘the Company’) today announces the publication of its second quarter 2025 sell-side analyst consensus figures. The consensus figures are based on analysts’ estimates recorded on an external web-based tool provided and managed by a

July 30, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated July 29, 2025 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated July 29, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (

July 1, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT (Exact name of registrant as specified in its charter) Grand Duchy of Luxembourg 001-35788 Not applicable (Jurisdiction of incorporation or

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT ArcelorMittal (Exact name of registrant as specified in its charter) Grand Duchy of Luxembourg 001-35788 Not applicable (Jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.) 24-26, Boulevard d’Avranches, L-1160 Luxembourg Grand Duchy

July 1, 2025 EX-2

Introduction 2 Basis of preparation 2 Overview of payments 4 Payments per government and project 5 Bosnia and Herzegovina 5 Brazil 5 Canada 5 Liberia 6 Mexico 6 Ukraine 6

Table of Contents Introduction 2 Basis of preparation 2 Overview of payments 4 Payments per government and project 5 Bosnia and Herzegovina 5 Brazil 5 Canada 5 Liberia 6 Mexico 6 Ukraine 6 1 Introduction ArcelorMittal has prepared this consolidated report (the "Report") on payments to governments with respect to its extractive activities in accordance with the European Union directives 2013/34/EU and 2013/50/EU (“EU Directives”) as transposed into the Luxembourg laws of December 18, 2015 and May 10, 2016 (the “Transparency Law”).

June 30, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated June 30, 2025 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated June 30, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (

June 30, 2025 EX-99.1

ENDS

Exhibit 99.1 press release ArcelorMittal publishes its 2024 Payments to governments in respect of extractive activities report 30 June 2025, 16:00 CET ArcelorMittal (’the Company’) has today filed its 2024 Payments to governments in respect of extractive activities report, which provides a consolidated overview of payments made by the Company and its subsidiaries in 2024 to governments regarding i

June 23, 2025 EX-99.1

ArcelorMittal completes the acquisition of Nippon Steel Corporation’s interest in AM/NS Calvert

Exhibit 99.1 press release ArcelorMittal completes the acquisition of Nippon Steel Corporation’s interest in AM/NS Calvert 18 June 2025, 19:30 CET In accordance with the definitive Equity Purchase Agreement (the “EPA”) signed between ArcelorMittal (the “Company”) and Nippon Steel Corporation (“NSC”) on 11 October 2024, the Company confirms that it has completed the acquisition (the “transaction”)

June 23, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated June 20, 2025 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated June 20, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (

June 23, 2025 EX-99.2

ArcelorMittal announces sale of Bosnian operations

Exhibit 99.2 press release ArcelorMittal announces sale of Bosnian operations 20 June 2025, 15:30 CET ArcelorMittal (“the company”) has today signed a sale and purchase agreement to sell its operations in Bosnia and Herzegovina. ArcelorMittal Zenica, an integrated steel plant, and ArcelorMittal Prijedor, an iron ore mining business which supplies the Zenica plant, will be sold to Pavgord Group. Th

May 14, 2025 EX-99.1

ENDS

Exhibit 99.1 press release Designated Person Notification 14 May 2025, 14:15 CET With reference to Article 19(3) of Regulation (EU) No 596/2014 of the European Parliament and of the Council of 16 April 2014 on market abuse (Market Abuse Regulations), ArcelorMittal announces that notifications of share transactions by a Designated Person (i.e. Directors or Executive Officers) are available in the L

May 14, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report ArcelorMittal (Exact name of registrant as specified in its charter) Grand Duchy of Luxembourg 001-35788 Not applicable (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.) 24-26, boulevard d’Avranches L-1160 Luxembour

May 14, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated May 14, 2025 Commission File Number: 001-35788 (Transl

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated May 14, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (A

May 6, 2025 EX-99.1

ENDS

Exhibit 99.1 press release ArcelorMittal announces results of its General Meeting 6 May 2025, 15.15 CET The Annual General Meeting (‘General Meeting’) of shareholders of ArcelorMittal (the “Company”) held today in Luxembourg approved all resolutions by a strong majority. 71.73% of the voting rights were represented at the General Meeting. The results of the votes will be posted shortly on www.arce

May 6, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated May 6, 2025 Commission File Number: 001-35788 (Transla

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated May 6, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Ad

April 30, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 30, 2025 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 30, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of principa

April 30, 2025 EX-99.1

ARCELORMITTAL 6-K

ARCELORMITTAL 6-K Exhibit 99.1 ArcelorMittal reports first quarter 2025 Luxembourg, April 30, 2025 - ArcelorMittal (referred to as “ArcelorMittal” or the “Company” or the "Group") (MT (New York, Amsterdam, Paris, Luxembourg), MTS (Madrid)), the world’s leading integrated steel and mining company, today announced results1 for the three-month period ended March 31, 2025. 1Q 2025 key highlights: Safe

April 18, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 18, 2025 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated April 18, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

April 18, 2025 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal announces the publication of its first quarter 2025 sell-side analyst consensus figures 17 April 2025, 19:00 CET ArcelorMittal today announces the publication of its first quarter 2025 sell-side analyst consensus figures. The consensus figures are based on analysts’ estimates recorded on an external web-based tool provided and managed by an independent company, Visible A

April 17, 2025 EX-99.1

1

Exhibit 99.1 press release ArcelorMittal publishes its 2024 Sustainability Report 17 April 2025, 08:30 CET ArcelorMittal (‘the Company’) has today published its 2024 Sustainability Report (‘the report’), which can be accessed here: https://corporate.arcelormittal.com/media/3fwar2wu/2024-sustainability-report.pdf. The report provides an update on the progress made in 2024 on the Company’s most mate

April 17, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 17, 2025 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated April 17, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

April 7, 2025 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal announces the commencement of a new share buyback program over the period 2025-2030 7 April 2025, 08:30 CET Following the announced completion of its 85 million shares buyback program on 2 April 2025, ArcelorMittal (the ‘Company’) announces the commencement of a new share buyback program (the ‘Program’) with share repurchases to be conducted in tranches that may be annou

April 7, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 7, 2025 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated April 7, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (

April 4, 2025 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal publishes convening notice for its Annual General Meeting of shareholders 4 April 2025, 08:00 CET ArcelorMittal (the ‘Company’) has today published the convening notice for its Annual General Meeting of shareholders (the ‘General Meeting’), which will be held on 6 May 2025 at 12:30 CET at the Company’s registered office, 24-26, boulevard d’Avranches, L-1160 Luxembourg, G

April 4, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 4, 2025 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated April 4, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (

April 4, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 4, 2025 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated April 4, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (

April 4, 2025 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal announces updated financial calendar for 2025 4 April 2025, 18:04 CEST ArcelorMittal today announces a revision to its financial calendar for 2025. The Q1 2025 earnings results initially scheduled on 2 May 2025 and announced by way of a press release dated 6 December 2024 will now be published on 30 April 2025. The remainder of the financial calendar for 2025 remains unc

April 2, 2025 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal announces the completion of its 85 million shares buyback program 2 April 2025, 10:30 CET ArcelorMittal (the “Company”) today announces that it has completed the 85 million shares buyback program it announced on 5 May 2023 under the authorization given by the annual general meeting of shareholders of 2 May 2023 and continued under the 30 April 2024 annual general meeting

April 2, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 2, 2025 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated April 2, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (

March 31, 2025 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal announces publication of the 2024 statutory financial statements of ArcelorMittal parent company 27 March 2025, 17:30 CET ArcelorMittal has published the statutory financial statements of ArcelorMittal parent company for the year ended 31 December 2024. These financial statements have been filed with the electronic database of the Luxembourg Stock Exchange (www.bourse.lu

March 31, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated March 31, 2025 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated March 31, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

March 18, 2025 EX-99.1

ENDS

Exhibit 99.1 Designated Person Notification 17 March 2025, 17:30 CET With reference to Article 19(3) of Regulation (EU) No 596/2014 of the European Parliament and of the Council of 16 April 2014 on market abuse (Market Abuse Regulations), ArcelorMittal announces that notification of share transaction by a Designated Person (i.e. Directors or Executive Officers) is available in the Luxembourg Stock

March 18, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated March 18, 2025 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated March 18, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

March 17, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated March 17, 2025 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated March 17, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

March 17, 2025 EX-99.1

ENDS

Exhibit 99.1 Designated Person Notification 14 March 2025, 13:45 CET With reference to Article 19(3) of Regulation (EU) No 596/2014 of the European Parliament and of the Council of 16 April 2014 on market abuse (Market Abuse Regulations), ArcelorMittal announces that notifications of share transaction by a Designated Person (i.e. Directors or Executive Officers) are available in the Luxembourg Sto

March 11, 2025 EX-99.2

ENDS

Exhibit 99.2 ArcelorMittal publishes its Annual Report 2024 on Form 20-F 10 March 2025, 20:00 CET ArcelorMittal has filed its Annual Report 2024 on Form 20-F with the U.S. Securities and Exchange Commission (SEC). The report is now available at http://corporate.arcelormittal.com > Financial reports. ArcelorMittal will send a hard copy of the Form 20-F Annual Report for 2024, which includes the aud

March 11, 2025 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal announces the publication of its 2024 annual report 10 March 2025, 23:55 CET ArcelorMittal has published its annual report for the year ended 31 December 2024. The report has been filed with the electronic database of the Luxembourg Stock Exchange (www.bourse.lu) and is available at http://corporate.arcelormittal.com > Financial reports ENDS About ArcelorMittal ArcelorMi

March 11, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated March 11, 2025 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated March 11, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

March 10, 2025 EX-15.7

CONSENT OF QUALIFIED PERSON

Exhibit 15.7 CONSENT OF QUALIFIED PERSON Re: Annual Report on Form 20-F of ArcelorMittal I, Michael Spleit, an employee of ArcelorMittal, am a mining engineer with over 15 years' experience in the mineral resource industry and a master's degree in mining engineering from McGill University. I have performed personal inspections of ArcelorMittal Liberia's Mt. Tokadeh, Mt. Gangra, and Mt. Yuelliton d

March 10, 2025 EX-15.6

CONSENT OF QUALIFIED PERSON

Exhibit 15.6 CONSENT OF QUALIFIED PERSON Re: Annual Report on Form 20-F of ArcelorMittal I, Ravindra "Ravi" Sharma, in connection with ArcelorMittal’s Annual Report on Form 20-F for the year ended December 31, 2024 (the “2024 20-F”): a) certify that I have supervised and validated the preparation of the mineral resources and mineral reserves for the Thakurani Iron Ore Mine, India; b) consent to th

March 10, 2025 EX-15.2

ArcelorMittal Mining Canada G.P. CONSENT OF QUALIFIED PERSON

Exhibit 15.2 ArcelorMittal Mining Canada G.P. CONSENT OF QUALIFIED PERSON Re: Annual Report on Form 20-F of ArcelorMittal I, Melanie Bolduc, an employee of ArcelorMittal, in connection with ArcelorMittal's Annual Report on Form 20-F for the year ended December 31, 2024 (the "2024 20-F"): a) certify that I have supervised and validated the preparation of the mineral resource estimates for Mont-Wrig

March 10, 2025 EX-15.4

CONSENT OF QUALIFIED PERSON

Exhibit 15.4 CONSENT OF QUALIFIED PERSON Re: Annual Report on Form 20-F of ArcelorMittal I, Bozo Kolonja, in connection with ArcelorMittal's Annual Report on Form 20-F for the year ended December 31, 2024 (the "2024 20-F"): a.Certify that I have supervised and validated the preparation of the mineral reserves and mineral resource estimates for ArcelorMittal Prijedor mine; b.Consent to the use of a

March 10, 2025 EX-15.11

CONSENT OF QUALIFIED PERSON

Exhibit 15.11 CONSENT OF QUALIFIED PERSON Re: Annual Report on Form 20-F of ArcelorMittal LLC «KAI», in connection with ArcelorMittal's Annual Report on Form 20-F for the year ended December 31, 2024 (the "2024 20-F"): a) certifies that it has supervised and validated the preparation of the mineral reserves and mineral resources estimates for ArcelorMittal Kryvyi Rih Open Pit; b) consents to the u

March 10, 2025 EX-15.8

February 20, 2025

Exhibit 15.8 February 20, 2025 Consent of Qualified Person Re: Form 20-F of ArcelorMittal S.A. (the "Company") SLR Consulting (Canada) Ltd. ("SLR"), in connection with the Company's Annual Report on Form 20-F for the year ended December 31, 2024 (the "2024 20-F"): a.Certifies that we have supervised and validated the preparation of the Mineral Resource and Mineral Reserve estimates for the Las Tru

March 10, 2025 EX-15.10

CONSENT OF QUALIFIED PERSON

Exhibit 15.10 CONSENT OF QUALIFIED PERSON Re: Annual Report on Form 20-F of ArcelorMittal I, Chantelle Cassandra Obermeyer, an employee of and Principal Geologist at VBKOM (Pty) Ltd, in connection with ArcelorMittal's Annual Report on Form 20-F for the year ended December 31, 2024 (the "2024 20-F"): a) certify that I have supervised and validated the preparation of the Thabazimbi Iron Ore Mine Min

March 10, 2025 EX-4.16

ARCELORMITTAL EXECUTIVE OFFICE Performance Share Unit PLAN ANNEX B Supplemental Terms for 2024-2025 Executive Office Performance Share Units Plan

Exhibit 4.16 ARCELORMITTAL EXECUTIVE OFFICE Performance Share Unit PLAN ANNEX B Supplemental Terms for 2024-2025 Executive Office Performance Share Units Plan The following share limits and vesting provisions shall apply to all Awards granted pursuant to the Plan during the period beginning on the date of the general meeting of shareholders of the Company in 2024 and ending on the date of the annu

March 10, 2025 EX-12.1

CERTIFICATIONS OF ARCELORMITTAL’S CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER PURSUANT TO RULE 13a-14(a) UNDER THE EXCHANGE ACT

Exhibit 12.1 CERTIFICATIONS OF ARCELORMITTAL’S CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER PURSUANT TO RULE 13a-14(a) UNDER THE EXCHANGE ACT I, Mr. Aditya Mittal, certify that: 1.I have reviewed this annual report on Form 20-F of ArcelorMittal; 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make th

March 10, 2025 EX-13.1

CERTIFICATIONS OF ARCELORMITTAL’S CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER PURSUANT TO RULE 13(a)-14(b) UNDER THE EXCHANGE ACT AND SECTION 1350 OF CHAPTER 63 OF TITLE 18 OF THE UNITED STATES CODE

Exhibit 13.1 CERTIFICATIONS OF ARCELORMITTAL’S CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER PURSUANT TO RULE 13(a)-14(b) UNDER THE EXCHANGE ACT AND SECTION 1350 OF CHAPTER 63 OF TITLE 18 OF THE UNITED STATES CODE In connection with the Annual Report on Form 20-F of ArcelorMittal (the “Company”) for the year ended December 31, 2024 as filed with the Securities and Exchange Commission (the “R

March 10, 2025 EX-4.15

EQUITY INCENTIVE PLAN ANNEX D Supplemental Terms for 2024-2025 Restricted Share Units and Performance Share Units

Exhibit 4.15 ARCELORMITTAL EQUITY INCENTIVE PLAN ANNEX D Supplemental Terms for 2024-2025 Restricted Share Units and Performance Share Units The following share limits and vesting provisions shall apply to all Awards of Restricted Share Units and Performance Share Units granted pursuant to the Plan during the period beginning on the date of the annual general meeting of shareholders of the Company

March 10, 2025 EX-15.9

CONSENT OF QUALIFIED PERSON

Exhibit 15.9 CONSENT OF QUALIFIED PERSON Re: Annual Report on Form 20-F of ArcelorMittal S.A. ("ArcelorMittal") SLR Consulting (Canada) Ltd. ("SLR"), in connection with ArcelorMittal's Annual Report on Form 20-F for the year ended December 31, 2024 (the "2024 20-F"): a.certifies that we have supervised and validated the preparation of the Mineral Resource and Mineral Reserve estimates for the Peña

March 10, 2025 20-F

NOTE 14:

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F ☐REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1

March 10, 2025 EX-15.3

CONSENT OF QUALIFIED PERSON

Exhibit 15.3 CONSENT OF QUALIFIED PERSON Re: Annual Report on Form 20-F of ArcelorMittal S.A. ("ArcelorMittal") SLR Consulting (Canada) Ltd. ("SLR"), in connection with ArcelorMittal's Annual Report on Form 20-F for the year ended December 31, 2024 (the "2024 20-F"): a.certifies that it supervised and validated the preparation of the original estimates of mineral resources and mineral reserves for

March 10, 2025 EX-2.2

DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934

Exhibit 2.2 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2024, ArcelorMittal (“ArcelorMittal,” the “Company,” “we,” “us,” and “our”) had the following securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): Table Title of each class Trading Symbol(s) Nam

March 10, 2025 EX-11.1

In compliance with international and national regulations on insider dealing, the Board of directors of ArcelorMittal, in order to ensure appropriate treatment of Inside Information and thus avoid insider dealing and Market Manipulation, has adopted

In compliance with international and national regulations on insider dealing, the Board of directors of ArcelorMittal, in order to ensure appropriate treatment of Inside Information and thus avoid insider dealing and Market Manipulation, has adopted the following Insider Dealing Regulations that apply throughout the ArcelorMittal group.

March 10, 2025 EX-15.5

CONSENT OF QUALIFIED PERSON

Exhibit 15.5 CONSENT OF QUALIFIED PERSON Re: Annual Report on Form 20-F of ArcelorMittal GE21 Consultoria Mineral ("GE21"), in connection with ArcelorMittal's Annual Report on Form 20-F for the year ended December 31, 2024 (the "2024 20-F"): a) certifies that it has supervised and validated the preparation of the mineral resource and mineral reserve estimates of Andrade iron ore mine; b) consents

March 10, 2025 EX-15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the following Registration Statements of ArcelorMittal: 1.Registration Statement (Form F-3 No. 333-278551), and 2.Registration Statements (Form S-8 Nos. 333-147382, 333-153576, 333-162697, and 333-170117); of our reports dated March 10, 2025, with respect to the consolidated financ

March 4, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated March 4, 2025 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated March 4, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (

March 4, 2025 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal appoints Everton Negresiolo as CEO of South American Long Products and mining business Jorge Luiz Ribeiro de Oliveira nominated Executive Vice President of ArcelorMittal 3 March 2025, 17:00 CET ArcelorMittal (‘the company’ or ‘the group’) today announces the appointment of Everton Negresiolo as CEO of its South American Long Products and mining business and a member of t

February 14, 2025 EX-99.1

Designated person notification

Exhibit 99.1 Designated person notification 14 February 2025, 10:30 CET With reference to Article 19(3) of Regulation (EU) No 596/2014 of the European Parliament and of the Council of 16 April 2014 on market abuse (Market Abuse Regulations), ArcelorMittal announces that notification of share transaction by a Designated Person (i.e. Directors or Executive Officers) is available in the Luxembourg St

February 14, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated February 14, 2025 Commission File Number: 001-35788 (T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated February 14, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembou

February 6, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated February 6, 2025 Commission File Number: 001-35788 (Tr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated February 6, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of princi

February 6, 2025 EX-99.1

ARCELORMITTAL 6-K

ARCELORMITTAL 6-K Exhibit 99.1 ArcelorMittal reports fourth quarter 2024 and full year 2024 results Luxembourg, February 6, 2025 - ArcelorMittal (referred to as “ArcelorMittal” or the “Company” or the "Group") (MT (New York, Amsterdam, Paris, Luxembourg), MTS (Madrid)), the world’s leading integrated steel and mining company, today announced results1 for the three-month and twelve-month periods en

January 29, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated January 29, 2025 Commission File Number: 001-35788 (Tr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated January 29, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembour

January 29, 2025 EX-99.1

ENDS

Exhibit 99.1 press release ArcelorMittal announces the publication of its fourth quarter and full year 2024 sell-side analyst consensus figures 28 January 2025, 16:45 CET ArcelorMittal (‘the Company’) today announces the publication of its fourth quarter and full year 2024 sell-side analyst consensus figures. The consensus figures are based on analysts’ estimates recorded on an external web-based

January 8, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated January 8, 2025 Commission File Number: 001-35788 (Tra

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated January 8, 2025 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

January 8, 2025 EX-99.1

Designated person notification

Exhibit 99.1 press release Designated person notification 7 January 2025, 16:30 CET With reference to Article 19(3) of Regulation (EU) No 596/2014 of the European Parliament and of the Council of 16 April 2014 on market abuse (Market Abuse Regulations), ArcelorMittal announces that notifications of share transaction by a Designated Person (i.e. Directors or Executive Officers) are available in the

December 18, 2024 EX-99.1

Designated person notification

Exhibit 99.1 Designated person notification 18 December 2024, 17:45 CET With reference to Article 19(3) of Regulation (EU) No 596/2014 of the European Parliament and of the Council of 16 April 2014 on market abuse (Market Abuse Regulations), ArcelorMittal announces that notifications of share transaction by a Designated Person (i.e. Directors or Executive Officers) are available in the Luxembourg

December 18, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated December 18, 2024 Commission File Number: 001-35788 (T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated December 18, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembou

December 11, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated December 11, 2024 Commission File Number: 001-35788 (T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated December 11, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembou

December 11, 2024 EX-99.1

ENDS

Exhibit 99.1 press release ArcelorMittal Announces Pricing of Bond Issue 10 December 2024, 19:00 CET ArcelorMittal priced yesterday an offering of €500,000,000 3.125 per cent notes due 13 December 2028 (the “2028 Notes”) and €500,000,000 3.500 per cent notes due 13 December 2031 (the “2031 Notes” and together with the 2028 Notes, the "Notes"). The Notes will be issued under ArcelorMittal’s €10,000

December 6, 2024 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal announces financial calendar for 2025 6 December 2024, 08:30 CET ArcelorMittal today announces its financial calendar for 2025. Earnings results announcements: •6 February 2025: Q4 and full year 2024 •2 May 2025: Q1 2025 •31 July 2025: Q2 and half year 2025 •6 November 2025: Q3 2025 Annual General Meeting of Shareholders: •6 May 2025 ENDS About ArcelorMittal ArcelorMitta

December 6, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated December 6, 2024 Commission File Number: 001-35788 (Tr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated December 6, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembour

November 27, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated November 27, 2024 Commission File Number: 001-35788 (T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated November 27, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembou

November 27, 2024 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal provides update on its European decarbonization plans 26 November 2024, 08:30 CET ArcelorMittal is today providing an update on its decarbonization plans in Europe. The Company has previously announced the intention to invest in lower carbon emissions “hydrogen ready” DRI-EAF facilities to replace several blast furnaces across our European business, as a key strategic fi

November 15, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated November 15, 2024 Commission File Number: 001-35788 (T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated November 15, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of princ

November 15, 2024 EX-99.1

ARCELORMITTAL 6-K

ARCELORMITTAL 6-K EXHIBIT 99.1 ArcelorMittal reports third quarter 2024 results On November 7, 2024 - ArcelorMittal (referred to as “ArcelorMittal” or the “Company” or the "Group") (MT (New York, Amsterdam, Paris, Luxembourg), MTS (Madrid)), the world’s leading integrated steel and mining company, announced results1 for the three-month and nine-month periods ended September 30, 2024 (“3Q 2024” and

November 7, 2024 EX-99.1

ARCELORMITTAL 6-K

ARCELORMITTAL 6-K Exhibit 99.1 ArcelorMittal reports third quarter 2024 results Luxembourg, November 7, 2024 - ArcelorMittal (referred to as “ArcelorMittal” or the “Company” or the “Group”) (MT (New York, Amsterdam, Paris, Luxembourg), MTS (Madrid)), the world’s leading integrated steel and mining company, today announced results1 for the three-month and nine-month periods ended September 30, 2024

November 7, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated November 7, 2024 Commission File Number: 001-35788 (Tr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated November 7, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of princi

October 28, 2024 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal announces the publication of its third quarter 2024 sell-side analyst consensus figures 28 October 2024, 11:00 CET ArcelorMittal (‘the Company’) today announces the publication of its third quarter 2024 sell-side analyst consensus figures. The consensus figures are based on analysts’ estimates recorded on an external web-based tool provided and managed by an independent

October 28, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated October 28, 2024 Commission File Number: 001-35788 (Tr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated October 28, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembour

October 11, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated October 11, 2024 Commission File Number: 001-35788 (Tr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated October 11, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembour

October 11, 2024 EX-99.1

ENDS

Exhibit 99.1 Nippon Steel agrees to sell its interest in Calvert to ArcelorMittal, at the request of NSC pursuant to its agreed acquisition of US Steel 11 October 2024, 08:30 CET ArcelorMittal (the “Company”, “Group”) announces it has entered into a definitive Equity Purchase Agreement (the “Agreement”) with Nippon Steel Corporation (“NSC”) pursuant to which ArcelorMittal will purchase NSC’s 50% e

October 9, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated October 9, 2024 Commission File Number: 001-35788 (Tra

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated October 9, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

October 9, 2024 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal announces recommendations from dss+ workplace safety audit 9 October 2024, 08:00 CET ArcelorMittal (the 'Company' or the 'Group') has today published the recommendations of the comprehensive dss+ workplace safety audit that was commissioned at the end of 2023, against the backdrop of a clear necessity to strengthen Group safety performance. The audit, which was ongoing f

September 26, 2024 EX-2.01.SCH

XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT

BRAZIL Ministère des Finances du Québec [Member] Ministère des Finances du Québec Government of Alberta [Member] Government of Alberta DNPM – National Department of Mineral Production [Member] DNPM – National Department of Mineral Production San Jose [Member] San Jose Las Truchas [Member] Las Truchas Mine Liberia (Western Range Project) [Member] Mine Liberia (Western Range Project) Municipality of

September 26, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT (Exact name of registrant as specified in its charter) Grand Duchy of Luxembourg 001-35788 Not applicable (Jurisdiction of incorporation or

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT ArcelorMittal (Exact name of registrant as specified in its charter) Grand Duchy of Luxembourg 001-35788 Not applicable (Jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.) 24-26, Boulevard d’Avranches, L-1160 Luxembourg Grand Duchy

September 26, 2024 EX-2

Introduction 2 Basis of preparation 2 Overview of payments 4 Payments per government and project 4 Bosnia and Herzegovina 5 Brazil 5 Canada 5 Kazakhstan 6 Liberia 6 Mexico 6 Ukraine 7

Table of content Introduction 2 Basis of preparation 2 Overview of payments 4 Payments per government and project 4 Bosnia and Herzegovina 5 Brazil 5 Canada 5 Kazakhstan 6 Liberia 6 Mexico 6 Ukraine 7 1 Introduction ArcelorMittal has prepared this consolidated report (the "Report") on payments to governments with respect to its extractive activities in accordance with the European Union directives 2013/34/EU and 2013/50/EU (“EU Directives”) as transposed into the Luxembourg laws of December 18, 2015 and May 10, 2016 (the “Transparency Law”).

September 26, 2024 EX-2.01.INS

XBRL INSTANCE DOCUMENT

iso4217:USD 0001243429 2023-01-01 2023-12-31 0001243429 country:BA 2023-01-01 2023-12-31 0001243429 country:BR 2023-01-01 2023-12-31 0001243429 country:CA 2023-01-01 2023-12-31 0001243429 country:KZ 2023-01-01 2023-12-31 0001243429 country:LR 2023-01-01 2023-12-31 0001243429 country:MX 2023-01-01 2023-12-31 0001243429 country:UA 2023-01-01 2023-12-31 0001243429 mt:RepublicOfSrpskaMember country:BA

September 25, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated September 25, 2024 Commission File Number: 001-35788 (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated September 25, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembo

September 25, 2024 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal holds investor day in India Event highlights India’s position as world’s fastest growing steel market and AM/NS India’s vision to become the benchmark for quality, scale and sustainability in Indian steelmaking 25 September 2024, 11:00 CET ArcelorMittal today hosted an investor day at AM/NS India’s flagship plant in Hazira, Gujarat. The event provided members of the inve

August 6, 2024 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal completes acquisition of strategic stake in Vallourec 06 August 2024, 07:30 CET ArcelorMittal today announces that following the signature of a Share Purchase Agreement on 12 March 2024, and after the approval of relevant antitrust authorities and clearances under foreign investment regulations, it has completed the acquisition of 65,243,206 shares, representing c.28.41%

August 6, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated August 6, 2024 Commission File Number: 001-35788 (Tran

6-K 1 arcelormittalform6-kaugust.htm 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated August 6, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1

August 5, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated August 5, 2024 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated August 5, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

August 5, 2024 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal announces publication of its 2024 half-year report 02 August 2024, 18:00 CET ArcelorMittal (the ‘Company’) has today published its half-year report for the six-month period ended 30 June 2024. The report is available on http://corporate.arcelormittal.com/ under Investors > Financial reports > Half-year reports, and on the electronic database of the Luxembourg Stock Excha

August 2, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated August 2, 2024 Commission File Number 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated August 2, 2024 Commission File Number 001-35788 ARCELORMITTAL (Translation of Registrant’s name into English) 24-26, boulevard d’Avranches, L-1160 Luxembourg, Grand Duchy of Luxembourg (Address of princip

August 1, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated August 1, 2024 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated August 1, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of principa

August 1, 2024 EX-99.1

ARCELORMITTAL 6-K

ARCELORMITTAL 6-K Exhibit 99.1 ArcelorMittal reports second quarter 2024 and half year 2024 results Luxembourg, August 1, 2024 - ArcelorMittal (referred to as “ArcelorMittal” or the “Company” or the “Group”) (MT (New York, Amsterdam, Paris, Luxembourg), MTS (Madrid)), the world’s leading integrated steel and mining company, today announced results1 for the three-month and six-month periods ended J

July 24, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated July 23, 2024 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated July 23, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (

July 24, 2024 EX-99.1

ENDS

Exhibit 99.1 press release ArcelorMittal announces publication of its second quarter 2024 sell-side analyst consensus figures 23 July 2024, 16:00 CET ArcelorMittal (‘the Company’) today announces the publication of its second quarter 2024 sell-side analyst consensus figures. The consensus figures are based on analysts’ estimates recorded on an external web-based tool provided and managed by an ind

July 1, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated July 1, 2024 Commission File Number: 001-35788 (Transl

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated July 1, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (A

July 1, 2024 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal publishes its 2023 Payments to Governments in respect of Extractive Industries report 01 July 2024, 11:30 CET ArcelorMittal (’the Company’) has today filed its 2023 Payments to Governments in respect of Extractive Industries report, which provides a consolidated overview of payments made by the Company and its subsidiaries in 2023 to governments regarding its mining oper

June 17, 2024 EX-4.1

ARCELORMITTAL, as Company, WILMINGTON TRUST, NATIONAL ASSOCIATION, as Trustee, CITIBANK, N.A., as Securities Administrator Fifth Supplemental Indenture Dated as of June 17, 2024 U.S.$500,000,000 6.000% Notes due 2034 U.S.$500,000,000 6.350% Notes due

Exhibit 4.1 ARCELORMITTAL, as Company, WILMINGTON TRUST, NATIONAL ASSOCIATION, as Trustee, and CITIBANK, N.A., as Securities Administrator Fifth Supplemental Indenture Dated as of June 17, 2024 U.S.$500,000,000 6.000% Notes due 2034 U.S.$500,000,000 6.350% Notes due 2054 Supplement to the Senior Indenture dated as of June 1, 2015 providing for the issuance of Senior Debt Securities TABLE OF CONTEN

June 17, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated June 17, 2024 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated June 17, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of principal

June 13, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated June 13, 2024 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated June 13, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (

June 13, 2024 EX-99.1

ENDS

Exhibit 99.1 press release Blackrock Inc. shareholding notification 12 June 2024, 18:30 CET ArcelorMittal (the ‘Company’) announces that on 12 June 2024 it received a shareholding notification from BlackRock Inc.. According to this notification, the following threshold of (potential) voting rights was reached: •4.99% on 10 June 2024. This notification is available in the Luxembourg Stock Exchange’

June 12, 2024 EX-FILING FEES

Calculation of Filing Fee Table (Form Type) (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

Exhibit 107 Calculation of Filing Fee Table 424(b)(5) (Form Type) ArcelorMittal (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Debt 6.

June 12, 2024 424B5

$500,000,000 6.000% Notes Due 2034 $500,000,000 6.350% Notes Due 2054

TABLE OF CONTENTS  Filed pursuant to Rule 424(b)(5)  Registration No. 333-278551 PROSPECTUS SUPPLEMENT (To prospectus dated April 8, 2024) $500,000,000 6.000% Notes Due 2034 $500,000,000 6.350% Notes Due 2054 Pursuant to this prospectus supplement, ArcelorMittal is offering $500,000,000 aggregate principal amount of 6.000% notes due June 17, 2034 (the “Series 2034 Notes”) and $500,000,000 aggregat

June 11, 2024 FWP

Final Term Sheet $500,000,000 6.000% Notes due June 17, 2034

Filed Pursuant to Rule 433 Registration No. 333-278551 Term Sheet dated June 10, 2024, supplementing the Preliminary Prospectus Supplement dated June 10, 2024 Final Term Sheet ArcelorMittal $500,000,000 6.000% Notes due June 17, 2034 This final term sheet dated June 10, 2024, relates only to the securities described below and should be read together with the preliminary prospectus supplement dated

June 11, 2024 EX-99.1

ENDS

Exhibit 99.1 press release ArcelorMittal Announces Pricing of Bond Issue 11 June 2024, 08:00 CET ArcelorMittal (‘the Company’ or ‘the Issuer’) priced yesterday an offering of US$500 million aggregate principal amount of 6.00% notes due 17 June 2034 and US$500 million aggregate principal amount of 6.35% notes due 17 June 2054 (the ‘Notes’). The net proceeds to ArcelorMittal (before expenses), amoun

June 11, 2024 EX-99.1

Underwriting Agreement June 10, 2024

Exhibit 99.1 Execution Version Underwriting Agreement June 10, 2024 J.P. Morgan Securities LLC 383 Madison Avenue New York, NY 10179 BofA Securities, Inc. 114 W47th Street NY8-114-07-01 New York, NY 10036 Citigroup Global Markets Inc. 388 Greenwich Street New York, NY 10013 Goldman Sachs & Co. LLC 200 West Street New York, NY 10282 RBC Capital Markets, LLC Brookfield Place 200 Vesey Street, 8th Fl

June 11, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated June 11, 2024 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated June 11, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (

June 11, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated June 11, 2024 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated June 11, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of principal

June 10, 2024 424B5

$        % Notes Due $        % Notes Due

TABLE OF CONTENTS The information in this preliminary prospectus supplement is not complete and may be changed.

May 28, 2024 EX-99.1

ARCELORMITTAL 6-K

ARCELORMITTAL 6-K Exhibit 99.1 ArcelorMittal reports first quarter 2024 results On May 2, 2024 - ArcelorMittal (referred to as “ArcelorMittal” or the “Company” or the "Group") (MT (New York, Amsterdam, Paris, Luxembourg), MTS (Madrid)), the world’s leading integrated steel and mining company, announced results1 for the three-month period ended March 31, 2024 (“1Q 2024”). 1Q 2024 key highlights: ●

May 28, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated May 28, 2024 Commission File Number: 001-35788 (Transl

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated May 28, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of principal

May 17, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report ArcelorMittal (Exact name of registrant as specified in its charter) Grand Duchy of Luxembourg 001-35788 Not applicable (State or other jurisdiction of incorporation) (Commission File Number) (I.R.S. Employer Identification No.) 24-26, boulevard d’Avranches L-1160 Luxembourg Grand Duchy of

May 2, 2024 EX-99.2

ARCELORMITTAL 6-K

ARCELORMITTAL 6-K Exhibit 99.2 ArcelorMittal reports first quarter 2024 results Luxembourg, May 2, 2024 - ArcelorMittal (referred to as “ArcelorMittal” or the “Company” or the "Group") (MT (New York, Amsterdam, Paris, Luxembourg), MTS (Madrid)), the world’s leading integrated steel and mining company, today announced results1 for the three-month period ended March 31, 2024. 1Q 2024 key highlights:

May 2, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated May 2, 2024 Commission File Number: 001-35788 (Transla

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated May 2, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of principal e

May 2, 2024 EX-99.1

ENDS

ARCELORMITTAL 6-K Exhibit 99.1 press release ArcelorMittal announces results of its General Meeting 30 April 2024, 18:15 CET The Annual General Meeting (‘General Meeting’) of shareholders of ArcelorMittal held today in Luxembourg approved all resolutions by a strong majority. 78.47% of the voting rights were represented at the General Meeting. The results of the votes will be posted shortly on www

April 29, 2024 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal announces the publication of its first quarter 2024 sell-side analyst consensus figures 26 April 2024, 12:00 CET ArcelorMittal (‘the Company’) today announces the publication of its first quarter 2024 sell-side analyst consensus figures. The consensus figures are based on analysts’ estimates recorded on an external web-based tool provided and managed by an independent co

April 29, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 29, 2024 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated April 29, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

April 23, 2024 EX-99.1

ENDS

Exhibit 99.1 press release ArcelorMittal publishes its 2023 Integrated Annual Review 23 April 2024, 14:45 CET Today, ArcelorMittal (‘the company’) published its 2023 Integrated Annual Review (‘IAR’), which can be accessed here annualreview2023.arcelormittal.com. The 2023 IAR, ‘Preparing for the future’, is structured in nine main chapters: •Our business and material issues •Driving change in our s

April 23, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 23, 2024 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated April 23, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

April 10, 2024 EX-99.1

ENDS

Exhibit 99.1 press release ArcelorMittal publishes interim update on its company-wide safety audit 10 April 2024, 16:45 CET ArcelorMittal (‘the Company’) announced in December 2023 that it had engaged dss+, a leading provider of sustainable operations management consulting services, to conduct a company-wide audit of its safety practices. Today, it shares a first interim update about what has been

April 10, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 10, 2024 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated April 10, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

April 8, 2024 EX-99.2

Recent Developments

Exhibit 99.2 Recent Developments ArcelorMittal publishes convening notice for its Annual General Meeting and Extraordinary General Meeting of shareholders On March 29, 2024, ArcelorMittal (the “Company”) announced the publication of the convening notice for its Annual General Meeting of shareholders (the “General Meeting”), which will be held on April 30, 2024 at 3 p.m. CET at the Company's regist

April 8, 2024 EX-99.1

CAPITALIZATION AND INDEBTEDNESS

Exhibit 99.1 CAPITALIZATION AND INDEBTEDNESS The following table sets out the consolidated capitalization and indebtedness of ArcelorMittal as of December 31, 2023. You should read this table together with the Group’s consolidated financial statements and other financial data appearing in its annual report on Form 20-F for the year ended December 31, 2023. As of December 31, 2023 (amounts in U.S.$

April 8, 2024 EX-23.7

Božo Kolonja DMD Consulting doo & University of Belgrade - Faculty of Mining and Geology Focanska 1, 11000 Beograd, Serbia Email: [email protected] CONSENT OF QUALIFIED PERSON

Exhibit 23.7 Božo Kolonja DMD Consulting doo & University of Belgrade - Faculty of Mining and Geology Focanska 1, 11000 Beograd, Serbia Email: [email protected] CONSENT OF QUALIFIED PERSON Re: Registration statement on Form F-3 I, Bozo Kolonja, in connection with the registration statement on Form F-3 of ArcelorMittal (the “Registration Statement”): a) consent to the use of and references

April 8, 2024 EX-FILING FEES

Calculation of Filing Fee Table FORM F-3 (Form Type) (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

EXHIBIT 107 Calculation of Filing Fee Table FORM F-3 (Form Type) ArcelorMittal (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forw

April 8, 2024 EX-25.1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 ¨ Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) WILMINGTON TRUST, NATIONAL ASSOCIATION (Exact name of trustee as specified

Exhibit 25.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 ¨ Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) WILMINGTON TRUST, NATIONAL ASSOCIATION (Exact name of trustee as specified in its charter) 16-1486454 (I.R.S. employer identification no.) 1100 North Market Street Wilmington, DE 19890-0001 (Address of principal

April 8, 2024 EX-23.11

CONSENT OF QUALIFIED PERSON

Exhibit 23.11 CONSENT OF QUALIFIED PERSON Re: Registration statement on Form F-3 SLR Consulting (Canada) Ltd. (“SLR”), in connection with the registration statement on Form F-3 of ArcelorMittal (the “Registration Statement”): a) consents to the use of and references to our name, including our status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the

April 8, 2024 EX-23.13

CONSENT OF QUALIFIED PERSON

Exhibit 23.13 CONSENT OF QUALIFIED PERSON Re: Registration statement on Form F-3 l, Paul Grant Obermeyer, an employee of and Principal Geologist at VBKOM (Pty) Ltd, in connection with the registration statement on Form F-3 of ArcelorMittal (the “Registration Statement”): a) consent to the use of and references to my name, including my status as an expert or “qualified person” (as defined in Subpar

April 8, 2024 EX-23.8

CONSENT OF QUALIFIED PERSON

Exhibit 23.8 CONSENT OF QUALIFIED PERSON Re: Registration statement on Form F-3 GE21 Consultoria Mineral (“GE21”), in connection with the registration statement on Form F-3 of ArcelorMittal (the “Registration Statement”): a) consent to the use of and references to our name, including our status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the U.S.

April 8, 2024 EX-1.1

ArcelorMittal Debt Securities Debt Securities Convertible into Ordinary Shares Ordinary Shares Rights to Purchase Ordinary Shares Underwriting Agreement Standard Provisions

Exhibit 1.1 ArcelorMittal Debt Securities Debt Securities Convertible into Ordinary Shares Ordinary Shares Rights to Purchase Ordinary Shares Underwriting Agreement Standard Provisions From time to time, ArcelorMittal, a Luxembourg société anonyme (the “Company”), may enter into one or more underwriting agreements in the form of Annex A hereto that incorporate by reference these Standard Provision

April 8, 2024 F-3ASR

As filed with the Securities and Exchange Commission on April 8, 2024

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on April 8, 2024 Registration No.

April 8, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 8, 2024 Commission File Number: 001-35788 (Translation of re

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 8, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of principal

April 8, 2024 EX-23.9

CONSENT OF QUALIFIED PERSON

Exhibit 23.9 CONSENT OF QUALIFIED PERSON Re: Registration statement on Form F-3 I, Ravindra Sharma, in connection with the registration statement on Form F-3 of ArcelorMittal (the “Registration Statement”): a) consent to the use of and references to my name, including my status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the U.S. Securities and E

April 8, 2024 EX-23.14

CONSENT OF QUALIFIED PERSON

Exhibit 23.14 CONSENT OF QUALIFIED PERSON Re: Registration statement on Form F-3 LLC «KAI», in connection with the registration statement on Form F-3 of ArcelorMittal (the “Registration Statement”): a) consents to the use of and references to our name, including our status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the U.S. Securities and Exchan

April 8, 2024 EX-23.10

CONSENT OF QUALIFIED PERSON

Exhibit 23.10 CONSENT OF QUALIFIED PERSON Re: Registration statement on Form F-3 I, Michael Spleit, an employee of ArcelorMittal and a mining engineer with over 15 years’ experience in the mineral resource industry with a master’s degree in mining engineering from McGill University, in connection with the registration statement on Form F-3 of ArcelorMittal (the “Registration Statement”): a) consen

April 8, 2024 EX-23.12

CONSENT OF QUALIFIED PERSON

Exhibit 23.12 CONSENT OF QUALIFIED PERSON Re: Registration statement on Form F-3 SLR Consulting (Canada) Ltd. (“SLR”), in connection with the registration statement on Form F-3 of ArcelorMittal (the “Registration Statement”): a) consents to the use of and references to our name, including our status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the

March 29, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated March 29, 2024 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated March 29, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

March 29, 2024 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal publishes convening notice for its Annual General Meeting of shareholders 29 March 2024, 08:00 CET ArcelorMittal (the ‘Company’) announces the publication of the convening notice for its Annual General Meeting of shareholders (the ‘General Meeting’), which will be held on 30 April 2024 at 3 p.m. CET at the Company’s registered office, 24-26, boulevard d’Avranches, L-1160

March 28, 2024 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal announces publication of the 2023 statutory financial statements of ArcelorMittal parent company 27 March 2024, 20:15 CET ArcelorMittal has published the statutory financial statements of ArcelorMittal parent company for the year ended 31 December 2023. These financial statements have been filed with the electronic database of the Luxembourg Stock Exchange (www.bourse.lu

March 28, 2024 EX-99.1

ENDS

Exhibit 99.1 Designated person notification 28 March 2024, 12:15 CET With reference to Article 19(3) of Regulation (EU) No 596/2014 of the European Parliament and of the Council of 16 April 2014 on market abuse (Market Abuse Regulations), ArcelorMittal announces that a notification of share transaction by a Designated Person (i.e. Directors or Executive Officers) is available in the Luxembourg Sto

March 28, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated March 28, 2024 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated March 28, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

March 28, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated March 28, 2024 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated March 28, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

March 27, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated March 27, 2024 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated March 27, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

March 27, 2024 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal publishes revised analyst model per new segmental reporting 27 March 2024, 10:30 CET As announced with ArcelorMittal’s (‘the Company’) fourth quarter 2023 financial results, the Company has amended its presentation of reportable segments and EBITDA. The changes, applied from January 1, 2024, are as follows: •EBITDA is defined as operating result plus depreciation, impair

March 19, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated March 19, 2024 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated March 19, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

March 19, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated March 19, 2024 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated March 19, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

March 19, 2024 EX-99.1

ENDS

Exhibit 99.1 Designated person notification 18 March 2024, 18:00 CET With reference to Article 19(3) of Regulation (EU) No 596/2014 of the European Parliament and of the Council of 16 April 2014 on market abuse (Market Abuse Regulations), ArcelorMittal announces that a notification of share transaction by a Designated Person (i.e. Directors or Executive Officers) is available in the Luxembourg Sto

March 19, 2024 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal announces Kleber Silva to be new CEO of ArcelorMittal Mining 19 March 2024, 10:00 CET ArcelorMittal, the world’s leading steel and mining company, today announces that Kleber Silva is nominated Executive Vice President of ArcelorMittal and appointed as Chief Executive Officer of ArcelorMittal Mining, effective 08 April 2024. Kleber will report to Aditya Mittal, Chief Exe

March 13, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated March 13, 2024 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated March 13, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

March 13, 2024 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal acquires strategic stake in Vallourec 12 March 2024, [2200 CET] ArcelorMittal (the ‘Company’) today announces that it has signed a Share Purchase Agreement to acquire 65,243,206 shares, representing c.28.4% equity interest in Vallourec, for €14.64 per share from Funds managed by Apollo Global Management, Inc., for a total consideration of approximately €955 million. Tran

March 12, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated March 12, 2024 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated March 12, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

March 12, 2024 EX-99.1

ENDS

Exhibit 99.1 Designated person notification 11 March 2024, 18:30 CET With reference to Article 19(3) of Regulation (EU) No 596/2014 of the European Parliament and of the Council of 16 April 2014 on market abuse (Market Abuse Regulations), ArcelorMittal announces that a notification of share transaction by a Designated Person (i.e. Directors or Executive Officers) is available in the Luxembourg Sto

February 29, 2024 EX-99.2

ENDS

Exhibit 99.2 ArcelorMittal publishes its Annual Report 2023 on Form 20-F 28 February 2024, 20:55 CET ArcelorMittal has filed its Annual Report 2023 on Form 20-F with the U.S. Securities and Exchange Commission (SEC). The report is now available at http://corporate.arcelormittal.com > Financial reports. ArcelorMittal will send a hard copy of the Form 20-F Annual Report for 2023, which includes the

February 29, 2024 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal announces the publication of its 2023 annual report 28 February 2024, 21:40 CET ArcelorMittal has published its annual report for the year ended 31 December 2023. The report has been filed with the electronic database of the Luxembourg Stock Exchange (www.bourse.lu) and is available at http://corporate.arcelormittal.com > Financial reports ENDS About ArcelorMittal Arcelo

February 29, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated February 29, 2024 Commission File Number: 001-35788 (T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated February 29, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembou

February 28, 2024 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT O

February 28, 2024 EX-13.1

CERTIFICATIONS OF ARCELORMITTAL’S CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER PURSUANT TO RULE 13(a)-14(b) UNDER THE EXCHANGE ACT AND SECTION 1350 OF CHAPTER 63 OF TITLE 18 OF THE UNITED STATES CODE

Exhibit 13.1 CERTIFICATIONS OF ARCELORMITTAL’S CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER PURSUANT TO RULE 13(a)-14(b) UNDER THE EXCHANGE ACT AND SECTION 1350 OF CHAPTER 63 OF TITLE 18 OF THE UNITED STATES CODE In connection with the Annual Report on Form 20-F of ArcelorMittal (the “Company”) for the year ended December 31, 2023 as filed with the Securities and Exchange Commission (the “R

February 28, 2024 EX-15.12

CONSENT OF QUALIFIED PERSON

Exhibit 15.12 CONSENT OF QUALIFIED PERSON Re: Annual Report on Form 20 -F of ArcelorMittal LLC «KAI», in connection with ArcelorMittal's Annual Report on Form 20-F for the year ended December 31, 2023 (the "2023 20-F"): a) certifies that we have supervised and validated the preparation of the mineral reserves and mineral resources estimates for ArcelorMittal Kryvyi Rih Open Pit; b) consents to the

February 28, 2024 EX-4.15

ARCELORMITTAL EXECUTIVE OFFICE Performance Share Unit PLAN

Exhibit 4.15 ARCELORMITTAL EXECUTIVE OFFICE Performance Share Unit PLAN ANNEX A Supplemental Terms for 2023-2024 Restricted Share Units and Performance Share Units The following share limits and vesting provisions shall apply to all Awards of Restricted Share Units and Performance Share Units granted pursuant to the Plan during the period beginning on the date of the annual general meeting of shar

February 28, 2024 EX-15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the following Registration Statements of ArcelorMittal: 1.Registration Statement (Form F-3 No. 333-256031), and 2.Registration Statements (Form S-8 Nos. 333-147382, 333-153576, 333-162697, and 333-170117): of our reports dated February 28, 2024, with respect to the consolidated fin

February 28, 2024 EX-15.11

CONSENT OF QUALIFIED PERSON

Exhibit 15.11 CONSENT OF QUALIFIED PERSON Re: Annual Report on Form 20-F of ArcelorMittal l, Paul Grant Obermeyer, an employee of and Principal Geologist at VBKOM (Pty) Ltd, in connection with ArcelorMittal's Annual Report on Form 20-F for the year ended December 31, 2023 (the "2023 20-F"): a) certify that I have supervised and validated the preparation of the Thabazimbi Iron Ore Mine Mineral Reso

February 28, 2024 EX-15.4

CONSENT OF QUALIFIED PERSON

Exhibit 15.4 CONSENT OF QUALIFIED PERSON Re: Annual Report on Form 20-F of ArcelorMittal SLR Consulting (Canada) Ltd. ("SLR"), in connection with ArcelorMittal's Annual Report on Form 20-F for the year ended December 31, 2023 (the "2023 20-F"): a.certify that we have supervised and validated the preparation of the estimates of Mineral Resources and Mineral Reserves for the Mary River Mine; b.conse

February 28, 2024 EX-12.1

CERTIFICATIONS OF ARCELORMITTAL’S CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER PURSUANT TO RULE 13a-14(a) UNDER THE EXCHANGE ACT

Exhibit 12.1 CERTIFICATIONS OF ARCELORMITTAL’S CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER PURSUANT TO RULE 13a-14(a) UNDER THE EXCHANGE ACT I, Mr. Aditya Mittal, certify that: 1. I have reviewed this annual report on Form 20-F of ArcelorMittal; 2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make t

February 28, 2024 EX-15.9

CONSENT OF QUALIFIED PERSON

Exhibit 15.9 CONSENT OF QUALIFIED PERSON Re: Form 20-F of ArcelorMittal S.A. (the "Company") SLR Consulting (Canada) Ltd. ("SLR"), in connection with the Company's Annual Report on Form 20-F for the year ended December 31, 2023 (the "2023 20-F"): a.certifies that we have supervised and validated the preparation of the Mineral Resource and Mineral Reserve estimates for the Las Truchas Mine and San

February 28, 2024 EX-15.3

ArcelorMittal Mining Canada G.P. CONSENT OF QUALIFIED PERSON

Exhibit 15.3 ArcelorMittal Mining Canada G.P. CONSENT OF QUALIFIED PERSON Re: Annual Report on Form 20-F of ArcelorMittal I, Melanie Bolduc, an employee of ArcelorMittal, in connection with ArcelorMittal's Annual Report on Form 20-F for the year ended December 31, 2023 (the "2023 20-F"): a) certify that I have supervised and validated the preparation of the mineral resource estimates for Mont-Wrig

February 28, 2024 EX-15.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.2 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement No. 333-256031 on Form F-3 and Registration Statement Nos. 333-147382, 333-153576, 333-162697, and 333-170117 on Form S-8 of our report dated March 11, 2022, relating to the financial statements of ArcelorMittal appearing in this Annual Report on Form 20-F fo

February 28, 2024 EX-1.1

« ArcelorMittal » société anonyme 24-26, boulevard d’Avranches, L-1160 Luxembourg R.C.S. Luxembourg, section B numéro 82 454

Exhibit 1.1 « ArcelorMittal » société anonyme 24-26, boulevard d’Avranches, L-1160 Luxembourg R.C.S. Luxembourg, section B numéro 82 454 ********************************************************************************* STATUTS COORDONNES à la date du 28 avril 2023 ********************************************************************************* Article 1. Form - Corporate name The Company’s legal

February 28, 2024 EX-15.6

CONSENT OF QUALIFIED PERSON

Exhibit 15.6 CONSENT OF QUALIFIED PERSON Re: Annual Report on Form 20-F of ArcelorMittal GE21 Consultoria Mineral ("GE21"), in connection with ArcelorMittal's Annual Report on Form 20-F for the year ended December 31, 2023 (the "2023 20-F"): a) certify that we have supervised and validated the preparation of the mineral reserves and mineral resources of Andrade iron ore mine; b) consent to the use

February 28, 2024 EX-15.8

CONSENT OF QUALIFIED PERSON

Exhibit 15.8 CONSENT OF QUALIFIED PERSON Re: Annual Report on Form 20-F of ArcelorMittal I, Michael Spleit, an employee of ArcelorMittal, am a mining engineer with over 15 years' experience in the mineral resource industry and a master's degree in mining engineering from McGill University. I have performed personal inspections of ArcelorMittal Liberia's Mt. Tokadeh, Mt. Gangra, and Mt. Yuelliton d

February 28, 2024 EX-15.10

CONSENT OF QUALIFIED PERSON

Exhibit 15.10 CONSENT OF QUALIFIED PERSON Re: Form 20-F of ArcelorMittal S.A. (the "Company") SLR Consulting (Canada) Ltd. ("SLR"), in connection with the Company's Annual Report on Form 20-F for the year ended December 31, 2023 (the "2023 20-F"): a.certifies that we have supervised and validated the preparation of the Mineral Resource and Mineral Reserve estimates for the Peña Colorada Mine; b.co

February 28, 2024 EX-15.5

CONSENT OF QUALIFIED PERSON

Exhibit 15.5 Božo Kolonja DMD Consulting doo & University of Belgrade - Faculty of Mining and Geology Focanska 1, 11000 Beograd, Serbia Email: [email protected] CONSENT OF QUALIFIED PERSON Re: Annual Report on Form 20- F of ArcelorMittal I, Bozo Kolonja, in connection with ArcelorMittal's Annual Report on Form 20-F for the year ended December 31, 2023 (the "2023 20-F"): a.certify that I ha

February 28, 2024 EX-2.2

DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934

Exhibit 2.2 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2023, ArcelorMittal (“ArcelorMittal,” the “Company,” “we,” “us,” and “our”) had the following securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): Table Title of each class Trading Symbol(s) Nam

February 28, 2024 EX-97.1

Clawback Policy

Exhibit 97.1 Clawback Policy Background ArcelorMittal (the “Company”) is listed on several stock exchanges, including the New York Stock Exchange (“NYSE”). Therefore, the Company is considered a “foreign private issuer” in the United States and is required to publish, in addition to its statutory annual report, an annual report on Form 20-F, which is filed each year with the U.S. Securities and Ex

February 28, 2024 EX-15.7

CONSENT OF QUALIFIED PERSON

Exhibit 15.7 CONSENT OF QUALIFIED PERSON Re: Annual Report on Form 20-F of ArcelorMittal I, Ravindra Sharma, in connection with ArcelorMittal’s Annual Report on Form 20-F for the year ended December 31, 2023 (the “2023 20-F”): a) certify that I have supervised and validated the preparation of the mineral resources and mineral reserves for the Thakurani Iron Ore Mine, India; b) consent to the use o

February 21, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated February 21, 2024 Commission File Number: 001-35788 (T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated February 21, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of princ

February 21, 2024 EX-99.1

ENDS

ARCELORMITTAL 6-K Exhibit 99.1 press release Statement re Acciaierie d'Italia being placed into extraordinary administration 20 February 2024, 17:30 CET Earlier today the Italian Government announced that it has placed Acciaierie d’Italia SpA (‘ADI’) into extraordinary administration subsequent to the request of Invitalia, thereby passing control of the company from its current shareholders, Arcel

February 8, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated February 8, 2024 Commission File Number: 001-35788 (Tr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated February 8, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of princi

February 8, 2024 EX-99.1

ARCELORMITTAL 6-K

ARCELORMITTAL 6-K Exhibit 99.1 ArcelorMittal reports fourth quarter and full year 2023 results Luxembourg, February 8, 2024 - ArcelorMittal (referred to as “ArcelorMittal” or the “Company” or the "Group") (MT (New York, Amsterdam, Paris, Luxembourg), MTS (Madrid)), the world’s leading integrated steel and mining company, today announced results1 for the three-month and twelve-month periods ended D

February 6, 2024 EX-99.1

ARCELORMITTAL 6-K

ARCELORMITTAL 6-K Exhibit 99.1 press release ArcelorMittal announces the publication of its fourth quarter and full year 2023 sell-side analyst consensus figures 5 February 2024, 22:15 CET ArcelorMittal (‘the Company’) today announces the publication of its fourth quarter and full year 2023 sell-side analysts’ consensus figures. The consensus figures are based on analysts’ estimates recorded on an

February 6, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated February 6, 2024 Commission File Number: 001-35788 (Tr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated February 6, 2024 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of princi

December 22, 2023 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal engages dss+ to conduct group-wide safety audit 22 December 2023, 08:00 CET ArcelorMittal (‘the Company’) today announces that it has engaged dss+, a leading provider of sustainable operations management consulting services, to conduct a company-wide audit of its safety practices. Alongside the publication of its third quarter financial results on 9 November 2023, the Co

December 22, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated December 22, 2023 Commission File Number: 001-35788 (T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated December 22, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembou

December 21, 2023 EX-99.1

ENDS

Exhibit 99.1 Designated Person Notification 21 December 2023, 18:00 CET With reference to Article 19(3) of Regulation (EU) No 596/2014 of the European Parliament and of the Council of 16 April 2014 on market abuse (Market Abuse Regulations), ArcelorMittal announces that notifications of share transactions by a Designated Person (i.e. Directors or Executive Officers) are available in the Luxembourg

December 21, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated December 21, 2023 Commission File Number: 001-35788 (T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated December 21, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembou

December 19, 2023 EX-99.1

https://corporate.arcelormittal.com/investors/corporate-governance/share-transactions-by-management

Exhibit 99.1 Designated Person Notification 19 December 2023, 13:00 CET With reference to Article 19(3) of Regulation (EU) No 596/2014 of the European Parliament and of the Council of 16 April 2014 on market abuse (Market Abuse Regulations), ArcelorMittal announces that notifications of share transactions by a Designated Person (i.e. Directors or Executive Officers) are available in the Luxembourg

December 19, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated December 19, 2023 Commission File Number: 001-35788 (T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated December 19, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembou

December 15, 2023 EX-99.1

ENDS

Exhibit 99.1 Designated Person Notification 14 December 2023, 14:20 CET With reference to Article 19(3) of Regulation (EU) No 596/2014 of the European Parliament and of the Council of 16 April 2014 on market abuse (Market Abuse Regulations), ArcelorMittal announces that a notification of share transaction by a Designated Person (i.e. Directors or Executive Officers) is available in the Luxembourg

December 15, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated December 15, 2023 Commission File Number: 001-35788 (T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated December 15, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembou

December 8, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated December 8, 2023 Commission File Number: 001-35788 (Tr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated December 8, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembour

December 8, 2023 EX-99.01

ENDS

Exhibit 99.1 ArcelorMittal completes sale of ArcelorMittal Temirtau 8 December 2023, 08:40 CET ArcelorMittal (‘the Company’) today announces it has completed the sale of ArcelorMittal Temirtau, its Kazakh steel and mining operation, to the Qazaqstan Investment Corporation (‘QIC’), a state-controlled direct investment fund. ArcelorMittal and the Government of Kazakhstan had been in discussion for s

December 5, 2023 EX-99.01

ENDS

Exhibit 99.1 ArcelorMittal announces financial calendar for 2024 5 December 2023, 10:30 CET ArcelorMittal today announces its financial calendar for 2024. Earnings results announcements: • 8 February 2024: Q4 and full year 2023 • 2 May 2024: Q1 2024 • 1 August 2024: Q2 and half year 2024 • 7 November 2024: Q3 2024 Annual General Meeting of Shareholders: • 30 April 2024 ENDS About ArcelorMittal Arc

December 5, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated December 5, 2023 Commission File Number: 001-35788 (Tr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated December 5, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembour

November 15, 2023 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal enters the additive manufacturing industry as a steel powder supplier The company is building an industrial-scale atomiser in Spain to produce high-quality steel powders for multiple additive manufacturing technologies 15 November 2023, 08:00 CET ArcelorMittal today announces its entry into the additive manufacturing (AdM) market as a steel powder supplier. The company i

November 15, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated November 15, 2023 Commission File Number: 001-35788 (T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated November 15, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembou

November 9, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated November 9, 2023 Commission File Number: 001-35788 (Tr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated November 9, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of princi

November 9, 2023 EX-99.1

ARCELORMITTAL 6-K

ARCELORMITTAL 6-K Exhibit 99.1 press release ArcelorMittal reports third quarter 2023 results 9 November 2023, 07:00 CET Luxembourg, November 9, 2023 - ArcelorMittal (referred to as “ArcelorMittal” or the “Company” or the "Group") (MT (New York, Amsterdam, Paris, Luxembourg), MTS (Madrid)), the world’s leading integrated steel and mining company, today announced results1 for the three-month and ni

November 6, 2023 EX-99.2

ENDS

Exhibit 99.2 Blackrock Inc. shareholding notification 6 November 2023, 11:00 CET ArcelorMittal (the ‘Company’) announces that on 31 October 2023 it received a shareholding notification from BlackRock, Inc. According to this notification, the following threshold of (potential) voting rights was reached: o5.72% on 30 October 2023. This notification is available in the Luxembourg Stock Exchange’s OAM

November 6, 2023 EX-99.1

ArcelorMittal announces the publication of its third quarter 2023 sell-side analyst consensus figures

Exhibit 99.1 ArcelorMittal announces the publication of its third quarter 2023 sell-side analyst consensus figures 6 November 2023, 14:10 CET ArcelorMittal today announces the publication of its third quarter 2023 sell-side analysts’ consensus figures. The consensus figures are based on analysts’ estimates recorded on an external web-based tool provided and managed by an independent company, Visib

November 6, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated November 6, 2023 Commission File Number: 001-35788 (Tr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated November 6, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembour

October 30, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated October 30, 2023 Commission File Number: 001-35788 (Tr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated October 30, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of princi

October 30, 2023 EX-99.1

ENDS

ARCELORMITTAL 6-K Exhibit 99.1 press release Statement regarding tragic accident in Kazakhstan 28 October 2023, 10:20 CET ArcelorMittal can confirm that earlier on the 28th October, a tragic accident occurred at its Kostenco coal mine. As at this time, 25 of our employees are confirmed dead with a further 21 still missing. 206 people were safely evacuated to the surface. No words can adequately co

October 4, 2023 EX-99.1

ENDS

Exhibit 99.1 Blackrock Inc. shareholding notification 4 October 2023, 9:45 CET ArcelorMittal (the ‘Company’) announces that on 18 and on 19 September 2023 it received shareholding notifications from BlackRock, Inc. According to theses notifications, the following threshold of (potential) voting rights was reached: o5.82% on 18 September 2023, and o5.83% on 19 September 2023. These notifications ar

October 4, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated October 4, 2023 Commission File Number: 001-35788 (Tra

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated October 4, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

August 28, 2023 EX-99.1

ENDS

Exhibit 99.1 press release Blackrock Inc. shareholding notification 25 August 2023, 13:00 CET ArcelorMittal (the ‘Company’) announces that on 25 August 2023 it received a shareholding notification from BlackRock, Inc. According to the notification, the following threshold of (potential) voting rights was reached: o 5.68% on 23 August 2023. This notification is available in the Luxembourg Stock Exc

August 28, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated August 28, 2023 Commission File Number: 001-35788 (Tra

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated August 28, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

July 31, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated July 31, 2023 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated July 31, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (

July 31, 2023 EX-99.1

ENDS

Exhibit 99.1 ArcelorMittal announces publication of its 2023 half-year report 28 July 2023, 16:45 CET ArcelorMittal (the ‘Company’) has today published its half-year report for the six-month period ended 30 June 2023. The report is available on http://corporate.arcelormittal.com/ under Investors > Financial reports > Half-year reports, and on the electronic database of the Luxembourg Stock Exchang

July 28, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated July 28, 2023 Commission File Number 001-35788 (Transl

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated July 28, 2023 Commission File Number 001-35788 ARCELORMITTAL (Translation of Registrant’s name into English) 24-26, boulevard d’Avranches, L-1160 Luxembourg, Grand Duchy of Luxembourg (Address of principa

July 27, 2023 EX-99.1

ARCELORMITTAL 6-K

ARCELORMITTAL 6-K EXHIBIT 99.1 ArcelorMittal reports second quarter 2023 and half year 2023 results Luxembourg, July 27, 2023 - ArcelorMittal (referred to as “ArcelorMittal” or the “Company”) (MT (New York, Amsterdam, Paris, Luxembourg), MTS (Madrid)), the world’s leading integrated steel and mining company, today announced results1 for the three-month and six-month periods ended June 30, 2023. Ke

July 27, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated July 27, 2023 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated July 27, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of principal

July 18, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated July 18, 2023 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated July 18, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (

July 18, 2023 EX-99.1

ArcelorMittal announces the publication of its second quarter 2023 sell-side analyst consensus figures

press release ArcelorMittal announces the publication of its second quarter 2023 sell-side analyst consensus figures 18 July 2023, 12:00 CET ArcelorMittal today announces the publication of its second quarter 2023 sell-side analysts’ consensus figures.

July 6, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated July 5, 2023 Commission File Number: 001-35788 (Transl

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated July 5, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (A

July 6, 2023 EX-99

ENDS

Exhibit 99.1 ArcelorMittal announces results of its XCarb™ Innovation Fund Accelerator Programme and invests $5 million in CHAR Technologies Strategic partnerships established with runners up Carbon Upcycling and D-CRBN 5 July 2023, 12:00 CET ArcelorMittal (‘the Company’) today announces that CHAR Technologies (traded under YES:TSXV; CTRNF:OTC) has been selected as the winner of its inaugural XCar

July 3, 2023 EX-99.1

ENDS

ArcelorMittal 6-K Exhibit 99.1 press release ArcelorMittal publishes its 2022 Payments to Governments in respect of Extractive Industries report 29 June 2023, 18:00 CET ArcelorMittal (’the Company’) has today filed its 2022 Payments to Governments in respect of Extractive Industries report, which provides a consolidated overview of payments made by the Company and its subsidiaries in 2022 to gover

July 3, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated July 3, 2023 Commission File Number: 001-35788 (Transl

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated July 3, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of principal

June 14, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated June 14, 2023 Commission File Number: 001-35788 (Trans

6-K 1 arcelormittal-6k061423.htm CURRENT REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated June 14, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranch

June 14, 2023 EX-99.1

ENDS

ArcelorMittal 6-K Exhibit 99.1 press release ArcelorMittal and John Cockerill announce plans to develop world’s first industrial scale low temperature, iron electrolysis plant Volteron™ plant targeted to start-up in 2027 14 June 2023, 13:00 CET ArcelorMittal, the world’s leading steel company, and John Cockerill, a group leading the development of steel processing facilities and electrolysers, tod

May 23, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated May 23, 2023 Commission File Number: 001-35788 (Transl

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated May 23, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of principal

May 23, 2023 EX-99.1

ENDS

ArcelorMittal 6-K Exhibit 99.1 press release Mandatory conversion of ArcelorMittal outstanding 5.50% mandatorily convertible subordinated notes due 18 May 2023 19 May 2023, 18:45 CET ArcelorMittal (‘the Company’) announces that upon mandatory conversion of the 24,290,025 outstanding 5.50% Mandatorily Convertible Subordinated Notes due 18 May 2023, it delivered a total of 57,057,991 treasury shares

May 18, 2023 EX-99.25

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on May 30, 2023, pursuant to the provisions of Rule 12d2-2 (a).

May 16, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report ArcelorMittal (Exact name of registrant as specified in its charter) Grand Duchy of Luxembourg 001-35788 Not applicable (State or other jurisdiction of incorporation) (Commission File Number) (I.R.S. Employer Identification No.) 24-26, boulevard d’Avranches L-1160 Luxembourg Grand Duchy of

May 5, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated May 5, 2023 Commission File Number: 001-35788 (Transla

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated May 5, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of principal e

May 5, 2023 EX-99.1

ENDS

ArcelorMittal 6-K Exhibit 99.1   press release ArcelorMittal announces the commencement of a new share buyback program of 85 million shares for 2023-2025 5 May 2023, 12:00 CET Following publication of the first quarter 2023 results press release dated 4 May 2023 (the ‘ER Press Release’)¹, ArcelorMittal (the ‘Company’) announces the commencement of a new buyback program of up to 85 million shares (

May 4, 2023 EX-99.1

ArcelorMittal 6-K

ArcelorMittal 6-K Exhibit 99.1 ArcelorMittal reports first quarter 2023 results Luxembourg, May 4, 2023 - ArcelorMittal (referred to as “ArcelorMittal” or the “Company”) (MT (New York, Amsterdam, Paris, Luxembourg), MTS (Madrid)), the world’s leading integrated steel and mining company, today announced results1 for the three-month ended March 31, 2023. 1Q 2023 Key highlights: • Health and safety f

May 4, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated May 4, 2023 Commission File Number: 001-35788 (Transla

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated May 4, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of principal e

May 2, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated May 2, 2023 Commission File Number: 001-35788 (Transla

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated May 2, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of principal e

May 2, 2023 EX-99.1

ENDS

ArcelorMittal 6-K Exhibit 99.1 press release ArcelorMittal announces results of its General Meetings 2 May 2023, 15:15 CET The Annual General Meeting and Extraordinary General Meeting (‘General Meetings’) of shareholders of ArcelorMittal (‘the Company’) held today in Luxembourg approved all resolutions by a strong majority. Over 75% of the voting rights were represented at the General Meetings. Th

April 28, 2023 EX-99.1

ENDS

ArcelorMittal 6-K Exhibit 99.1 press release ArcelorMittal cancels 25 million treasury shares 28 April 2023, 17:30 CET ArcelorMittal (the ‘Company’) announces that 25 million treasury shares have been cancelled today to keep the number of treasury shares the Company holds within appropriate levels. This cancellation takes into account shares already purchased under the 60,431,380 shares buyback an

April 28, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 28, 2023 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated April 28, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

April 27, 2023 EX-99.1

ENDS

ArcelorMittal 6-K Exhibit 99.1 press release Blackrock Inc. shareholding notification 27 April 2023, 16:05 CET ArcelorMittal (the 'Company') announces that on 25 April 2023 it received a shareholding notification from BlackRock, Inc. According to the notification, the following threshold of (potential) voting rights was reached: · 5% on 21 April 2023. This notification is available in the Luxembou

April 27, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 27, 2023 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 27, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of principa

April 26, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 26, 2023 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 26, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (Address of principa

April 26, 2023 EX-99.2

ENDS

Exhibit 99.2 press release ArcelorMittal publishes 2022 Integrated Annual Review 26 April 2023, 14:30 CET ArcelorMittal (‘the Company’) has today published its 2022 integrated annual review. The review, which can be accessed here - annualreview2022.arcelormittal.com - underpins the Company’s commitment to transparent reporting and is a key pillar in our commitment to engage stakeholders and commun

April 26, 2023 EX-99.1

ENDS

Exhibit 99.1 press release ArcelorMittal establishes renewable energy JV with Casa dos Ventos in Brazil JV to construct a 554MW wind power project 18 April 2023, 08:00 CET ArcelorMittal (‘the Company’) today announces that its Brazilian entity, ArcelorMittal Brazil, will form a joint venture partnership (‘JV’) with Casa dos Ventos, one of Brazil’s largest developers and producers of renewable ener

April 25, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 25, 2023 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated April 25, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

April 25, 2023 EX-99.1

ArcelorMittal 6-K

ArcelorMittal 6-K Exhibit 99.1 press release ArcelorMittal announces the publication of its first quarter 2023 sell-side analyst consensus figures 25 April 2023, 12:30 CET ArcelorMittal (‘the Company’) today announces the publication of its first quarter 2023 sell-side analysts’ consensus figures. The consensus figures are based on analysts’ estimates recorded on an external web-based tool provide

April 3, 2023 EX-99.3

ENDS

ArcelorMittal 6-K Exhibit 99.3 press release ArcelorMittal and Japan Bank for International Cooperation sign agreement to strengthen business and technology partnership 31 March 2023, 07:00 CET On 30 March 2023, ArcelorMittal signed a memorandum of understanding (‘MOU’) with the Japan Bank for International Cooperation (‘JBIC’) to strengthen their partnership in steelmaking and decarbonisation. Th

April 3, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated March 31, 2023 Commission File Number: 001-35788 (Tran

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated March 31, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg

April 3, 2023 EX-99.2

ENDS

ArcelorMittal 6-K Exhibit 99.2 press release ArcelorMittal announces the completion of its 60,431,380 shares buyback program 3 April 2023, 19.30 CET ArcelorMittal (the ‘Company’) today announces that it has completed the 60,431,380 shares buyback program it announced on 29 July 2022 under the authorization given by the annual general meeting of shareholders of 4 May 2022. By market close on 31 Mar

April 3, 2023 EX-99.2

ENDS

ArcelorMittal 6-K Exhibit 99.2 press release AMNS Luxembourg Holding S.A. signs $5 billion loan agreement with consortium of Japanese banks 31 March 2023, 07:00 CET ArcelorMittal (‘the Company’) today announces that AMNS Luxembourg Holding S.A., the parent company of AM/NS India, the Company’s 60/40 steelmaking joint venture with Nippon Steel Corporation in India, has entered into a $5 billion loa

April 3, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Dated April 3, 2023 Commission File Number: 001-35788 (Trans

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ————————— FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 ————————— Dated April 3, 2023 Commission File Number: 001-35788 ARCELORMITTAL (Translation of registrant’s name into English) 24-26, Boulevard d’Avranches L-1160 Luxembourg Grand Duchy of Luxembourg (

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