Notification of share transactions by Lumen Investments S.à r.l

Luxembourg, 21 October 2026, 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 Regulation), ArcelorMittal announces a notification of share transactions by Lumen Investments S.à r.l., an entity forming part of the Significant Shareholder structure, is available in the Luxembourg Stock Exchange's electronic database OAM on www.bourse.lu and on ArcelorMittal's website www.arcelormittal.com under Investors > Share Transactions by Management: https://corporate.arcelormittal.com/investors/corporate-governance/share-transactions-by-management.

GlobeNewsWire • Oct 21, 2026

ArcelorMittal unable to restart Ukraine plant after missile strikes

Arcelor Mittal SA (NYSE:MT), the global steelmaker, said Friday it cannot safely and sustainably restart its Kryvyi Rih operations in Ukraine after four missile strikes over five weeks. The company expects to record a non-cash impairment charge of approximately $1 billion, mainly reflecting damage to property, plant and equipment at the Ukrainian operation.

Proactive Investors • Sep 25, 2026

ArcelorMittal announces that it is unable to safely and sustainably restart operations at ArcelorMittal Kryvyi Rih following multiple recent missile strikes

25 September, 08:30 CET Further to the statements issued on 17 August and 14 September following missile strikes on ArcelorMittal Kryvyi Rih, ArcelorMittal (‘the Company') has with deep regret advised the Government of Ukraine that it is unable to restart operations at its Ukrainian subsidiary in a safe and sustainable manner. Over the past five weeks, ArcelorMittal Kryvyi Rih has been targeted by four missile strikes, resulting in fatalities, injuries and extensive damage to production facilities.

GlobeNewsWire • Sep 25, 2026

Two killed in missile strike on ArcelorMittal Ukraine plant, company says

Steelmaker ArcelorMittal said on ​Monday a ‌ballistic missile strike hit its ​Ukrainian steel ​plant ArcelorMittal Kryvyi ⁠Rih on ​Saturday, killing two ​contractors and injuring two employees.

Reuters • Sep 14, 2026

ArcelorMittal Shares Surge 69% YTD: Can It Sustain the Rally?

MT's 69% YTD rally reflects stronger EBITDA, cash flow and shareholder returns, plus EAF, NOES and Liberia growth projects.

Zacks Investment Research • Sep 10, 2026

4 Steel Producer Stocks to Watch Amid Industry Challenges

Sluggishness in China and muted demand in certain key end markets dampen the Zacks Steel Producers industry prospects. MT, NUE, STLD and FSTR are poised to navigate the challenges.

Zacks Investment Research • Sep 9, 2026

Here's Why You Should Hold Onto ArcelorMittal Stock for Now

MT expands steel capacity and boosts shareholder returns, but China's weak demand and elevated capex pressure cash flow.

Zacks Investment Research • Aug 31, 2026

ArcelorMittal: Regionalization Is Creating A Structurally Better Steel Company

ArcelorMittal is evolving into a portfolio of regionally protected steel franchises, leveraging local production and integrated mining to benefit from trade policy shifts. MT's earnings quality has structurally improved, with higher EBITDA per tonne, robust operational leverage in Europe, and significant contributions from India and Liberia expansions. Share buybacks, discounted valuation metrics, and off-balance-sheet growth (notably AM/NS India) position MT for per-share earnings growth even without a global steel boom.

Seeking Alpha • Aug 27, 2026

ArcelorMittal Shares Up 25% in 3 Months: What's Driving the Rally?

MT stock has gained 24.8% in the past three months on expanded steel capacity and specialized products, while stronger performance, tariffs and demand support growth.

Zacks Investment Research • Aug 18, 2026

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.

GlobeNewsWire • Aug 17, 2026