Missile strike at ArcelorMittal (NYSE: MT) kills 2, halts output
Rhea-AI Filing Summary
ArcelorMittal reported that its Ukrainian operation, ArcelorMittal Kryvih Rih, was hit by a missile strike over the weekend. The company stated that 13 employees and contractors were injured and two employees died, one directly employed staff member and one contractor employee. Those affected are receiving medical care in city facilities.
The plant was operational at the time, but the strike damaged the main production facilities of the energy and blast furnace production, leading to a partial halt of production processes. Specialists are assessing the extent of the damage and the possibilities and timing of restoring operations, with further updates to follow. In 2025 ArcelorMittal generated $61.4 billion of revenue and produced 55.6 million metric tonnes of crude steel and 48.8 million tonnes of iron ore, underlining the scale of its global operations.
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- None.
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- A missile strike on ArcelorMittal Kryvih Rih caused 2 employee deaths and 13 injuries, damaged main energy and blast furnace production facilities, and led to a partial halt of plant operations while damage is assessed.
Key Figures
Injured personnel: 13 employees and contractors
Employee fatalities: 2 employees
Revenue: $61.4 billion
+4 more
7 metrics
Injured personnel
13 employees and contractors
Injuries from the missile strike at ArcelorMittal Kryvih Rih
Employee fatalities
2 employees
Deaths resulting from the missile strike at ArcelorMittal Kryvih Rih
Revenue
$61.4 billion
ArcelorMittal revenues generated in 2025
Crude steel production
55.6 million metric tonnes
Crude steel produced by ArcelorMittal in 2025
Iron ore production
48.8 million tonnes
Iron ore produced by ArcelorMittal in 2025
Countries with presence
60 countries
ArcelorMittal geographic presence as described
Primary steelmaking countries
14 countries
Countries where ArcelorMittal has primary steelmaking operations
Key Terms
blast furnace, integrated steel and mining companies, metric tonnes, renewable energy infrastructure
4 terms
blast furnace technical
"the main production facilities of the energy and blast furnace production were damaged"
A blast furnace is a tall, industrial furnace that smelts iron ore into molten iron by layering ore, coke (a fuel), and limestone and blowing hot air through the stack, functioning like a giant cooking pot that separates metal from rock. For investors, it matters because blast furnaces are central to producing steel, so their capacity, operating costs, and emissions profile directly affect a producer’s output, margins, and regulatory risks.
integrated steel and mining companies financial
"ArcelorMittal is one of the world’s leading integrated steel and mining companies"
metric tonnes financial
"produced 55.6 million metric tonnes of crude steel"
Metric tonnes are a unit of mass equal to 1,000 kilograms (about 2,205 pounds), roughly the weight of a small car. Investors see this unit used to report volumes of commodities, raw materials and finished goods—so knowing how many metric tonnes are produced, shipped or stored helps assess supply, demand and revenue potential. It provides a common scale for comparing production, inventory and trade across markets and companies.
renewable energy infrastructure technical
"Steels for the renewable energy infrastructure that will support societies"
Renewable energy infrastructure is the physical network of facilities and equipment — such as wind turbines, solar farms, battery storage, hydro plants and the power lines and substations that move electricity — that produces and delivers clean power. Investors care because these long-lived, tangible assets can generate steady revenue over many years, act like toll roads for energy, and offer exposure to the transition away from fossil fuels as well as potential policy and regulatory risks.
FAQ
What incident at ArcelorMittal's Ukraine plant is disclosed in the MT Form 6-K?
ArcelorMittal reports a missile strike on its Ukraine plant, ArcelorMittal Kryvih Rih. The attack injured 13 employees and contractors and caused the deaths of two employees, damaging key production facilities and partially halting operations.
How has the missile strike affected ArcelorMittal Kryvih Rih's operations (MT)?
The strike damaged the plant's main energy and blast furnace production facilities, leading to a partial halt of production processes. Specialists are currently assessing the extent of the damage and evaluating possibilities and timing for restoring operations.
How many casualties did ArcelorMittal report from the Ukraine missile strike (MT)?
ArcelorMittal reports 13 injured employees and contractors and two employee fatalities (one staff member and one contractor employee). The company states that all injured individuals are receiving necessary medical care in the city’s medical facilities.
What did ArcelorMittal say about next steps after the missile strike on its Ukraine plant (MT)?
ArcelorMittal indicated that specialists are assessing the extent of the damage and the possibilities and timing of restoring operations. The company added that further updates on the situation at ArcelorMittal Kryvih Rih will be provided in due course.
What were ArcelorMittal's 2025 revenues and production figures mentioned in the MT filing?
For 2025, ArcelorMittal generated $61.4 billion in revenue, produced 55.6 million metric tonnes of crude steel, and 48.8 million tonnes of iron ore. These figures highlight the company’s large global integrated steel and mining operations.
AI-generated analysis. How Rhea-AI works. Not financial advice.
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
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
PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934
—————————
Dated August 17, 2026
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 executive office)
Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
Form 20-F ☑ Form 40-F ☐
On August 17, 2026, ArcelorMittal published the press release attached hereto as Exhibit 99.1 and hereby incorporated by reference into this report on Form 6-K.
Exhibit Index
| Exhibit No. | Description | ||||
Exhibit 99.1 | ArcelorMittal statement regarding missile strike on its Ukraine plant | ||||
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
ARCELORMITTAL
Date 17 August 2026
By: /s/ Henk Scheffer
Name: Henk Scheffer
Title: Company Secretary & Group Compliance & Data Protection Officer
Exhibit 99.1
press release
ArcelorMittal statement regarding missile strike on its Ukraine plant
17 August 2026, 11:45 CET
ArcelorMittal can confirm that its Ukraine operation, ArcelorMittal Kryvih Rih, suffered a missile strike over the weekend in which 13 employees of the company and contractors were injured and tragically two employees died: one staff member and one from a contractor organization.
Our focus is on the families and loved ones of our colleagues who suffered from the attack. Those affected by the missile strike are receiving all necessary medical care in the city's medical facilities.
At the time of the attack, the plant was operational. However, as a result of the attack, the main production facilities of the energy and blast furnace production were damaged and the production processes of the plant were partially halted. Currently, relevant specialists are assessing the extent of the damage and the possibilities and timing of restoring operations.
Further updates will be provided in due course.
ENDS
About ArcelorMittal
ArcelorMittal is one of the world’s leading integrated steel and mining companies with a presence in 60 countries and primary steelmaking operations in 14 countries. It is the largest steel producer in Europe, among the largest in the Americas, and has a growing presence in Asia through its joint venture AM/NS India. ArcelorMittal sells its products to a diverse range of customers including the automotive, engineering, construction and machinery industries, and in 2025 generated revenues of $61.4 billion, produced 55.6 million metric tonnes of crude steel and 48.8 million tonnes of iron ore. Our purpose is to produce smarter steels for people and planet. Steels made using innovative processes which use less energy, emit significantly less carbon and reduce costs. Steels that are cleaner, stronger and reusable. Steels for the renewable energy infrastructure that will support societies as they transform through this century. With steel at our core, our inventive people and an entrepreneurial culture at heart, we will support the world in making that change.
ArcelorMittal is listed on the stock exchanges of New York (MT), Amsterdam (MT), Paris (MT),
ArcelorMittal is one of the world’s leading integrated steel and mining companies with a presence in 60 countries and primary steelmaking operations in 14 countries. It is the largest steel producer in Europe, among the largest in the Americas, and has a growing presence in Asia through its joint venture AM/NS India. ArcelorMittal sells its products to a diverse range of customers including the automotive, engineering, construction and machinery industries, and in 2025 generated revenues of $61.4 billion, produced 55.6 million metric tonnes of crude steel and 48.8 million tonnes of iron ore. Our purpose is to produce smarter steels for people and planet. Steels made using innovative processes which use less energy, emit significantly less carbon and reduce costs. Steels that are cleaner, stronger and reusable. Steels for the renewable energy infrastructure that will support societies as they transform through this century. With steel at our core, our inventive people and an entrepreneurial culture at heart, we will support the world in making that change.
ArcelorMittal is listed on the stock exchanges of New York (MT), Amsterdam (MT), Paris (MT),
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Luxembourg (MT) and on the Spanish stock exchanges of Barcelona, Bilbao, Madrid and Valencia (MTS). http://corporate.arcelormittal.com/
ArcelorMittal Investor Relations contact information | |||||
General | +44 20 7543 1128 | ||||
Retail | +44 20 3214 2893 | ||||
Bonds/Credit | +33 157 955 035 | ||||
ArcelorMittal Corporate Communications contact information | |||||
Paul Weigh | |||||
Tel: | +44 20 3214 2419 | ||||
E-mail | press@arcelormittal.com | ||||
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