Interim report
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Contents Outokumpu half-year report January–June 2026 ........................................................... 3 President & CEO Kati ter Horst ......................................................................................... 4 Outlook for Q3 2026 .......................................................................................................... 5 Results ................................................................................................................................. 6 Cash flow and financial position ....................................................................................... 8 Strategy execution .............................................................................................................. 9 Sustainability ....................................................................................................................... 10 Business area Europe ......................................................................................................... 11 Business area Americas ..................................................................................................... 12 Business area Ferrochrome ............................................................................................... 13 CRU market development overview .................................................................................. 14 Personnel ............................................................................................................................. 14 Shares .................................................................................................................................. 14 Risks and uncertainties ...................................................................................................... 14 Significant legal proceedings ............................................................................................. 15 Annual General Meeting 2026 .......................................................................................... 15 Dividend ............................................................................................................................... 15 Events after the reporting period ...................................................................................... 16 Financial information .......................................................................................................... 17 Outokumpu half-year report January–June 2026 2 Outokumpu's low-emission European ferrochrome
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Outokumpu half-year report January–June 2026 Improved profitability while progressing on EVOLVE growth strategy Highlights in Q2 2026 • Adjusted EBITDA increased from the previous quarter to EUR 100 million, mainly driven by improvement in business area Europe, while s trong performance in business area Americas continued and performance in business area Ferrochrome further improved. • Stainless steel deliveries increased by 5% from the previous quarter. Demand was supported by regional policy measures in Europe, while end-use demand improved only in some industrial segments. In the US, demand remained good, supported by improved activity in several industrial segments. • Demand for Outokumpu's low-emission European ferrochrome remained robust, and deliveries rose 4% from the previous quarter. • Operating cash flow remained solid at EU R 85 million compared to the previous quarter. Net debt decreased to EUR 224 million despite payment of the first dividend installment of EUR 28 million. • EUR 100 million restructuring program is progressing as planned, with approximately half of the savings expected in 2026 . • EVOLVE growth strategy progressing: ◦ Building on the existing Advanced Materials business, Outokumpu has decided to start an investment program in high-nickel alloys, a segment offering attractive global growth, higher margins and resilience. The investment program is planned to be implemented in two phases at the Avesta site in Sweden to accelerate market entry and improve returns. ◦ T h e s c a l e - u p o f p r o p r i e t a r y t e c h n o l o g y t o p r o d u c e l o w - C O ₂ - e n r i c h e d ferrochrome and chromium metal is advancing, with the first patent applications covering key process elements published in July. The technology development initiative is evolving into a future-oriented business platform for growth. ◦ Continued to expand the product portfolio toward higher-margin ferrochrome products to serve new customer segments, such as special steel producers. Key figures EUR million, or as indicated Q2/26 Q2/25 Q1/26 Q1–Q2/26 Q1–Q2/25 2025 Sales 1,582 1,486 1,451 3,033 3,010 5,468 EBITDA 94 39 59 152 86 88 Adjusted EBITDA 1) 100 75 65 164 124 167 Operating profit (EBIT) 38 -21 3 41 -28 -134 Net result for the period 25 -19 -6 18 -37 -137 Earnings per share, EUR 0.05 -0.04 -0.01 0.04 -0.09 -0.31 Operating cash flow 85 52 85 170 42 79 Net debt 224 169 241 224 169 265 Net debt to adjusted EBITDA 1.1 0.8 1.3 1.1 0.8 1.6 Stainless steel deliveries, 1000 tonnes 488 483 465 953 953 1,751 Ferrochrome deliveries, 1000 tonnes 114 101 110 224 197 395 1) Adjusted EBITDA = EBITDA – Items affecting comparability. Figures shown in parentheses represent the corresponding figures for the comparative period in the second quarter of 2025 unless otherwise stated. Outokumpu half-year report January–June 2026 3
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President & CEO Kati ter Horst In the second quarter, European stainless steel demand remained broadly unchanged. Market dynamics were supported by the Carbon Boarder Adjustment Mechanism (CBAM) and the steel safeguard measures that came into force on July 1, 2026. Further, the European Commission is currently reviewing the EU Emissions Trading System (EU ETS) for the period 2031–2040. The proposal, published on July 17, 2026, maintains the EU ETS as the core mechanism to price emissions and drive investments in cleaner technologies. The proposal also introduces adjustments to elements such as the trajectory of free emission allowances and the Linear Reduction Factor (LRF). Outokumpu highlights that it is essential to preserve a strong and predictable carbon pricing framework that rewards investments in industrial decarbonization while ensuring a level playing field for low-carbon production. In the US, underlying market demand has been more robust, especially in industrial end-use segments like data centers and energy. The Mexican market also showed further signs of improvement. As I am writing this, the USMCA negotiations continue with the third round between the U.S. and Mexico. In the ferrochrome market, charge chrome producers in South Africa have reached an agreement on electricity price support. The production is expected to be ramped up towards the end of the year, and such subsidized production could impact the supply and demand balance of the market. We remain confident in the robust demand for our low-emission European ferrochrome. At the same time, we continue to expand our ferrochrome product portfolio into specialty grades. The conflict in the Middle East is adding to market uncertainty, weighing on economic growth and driving up energy and freight costs. The direct impact on Outokumpu’s second quarter result has been limited, mainly related to higher freight costs. In Q2, our adjusted EBITDA increased to EUR 100 million from EUR 65 million in Q1, mainly driven by improvement in business area Europe, while strong performance in business area Americas continued and performance in business area Ferrochrome further improved. Our financial position remained strong, and net debt decreased to EUR 224 million. Our EVOLVE growth strategy is progressing. We are now starting the investment program in our Advanced Materials business to expand to high-nickel alloys, which provide attractive global growth, higher margins and resilience. We have decided to execute this investment at our Avesta production plant in two phases as it accelerates time to market and improves the investment case to reach an internal rate of return above the set 20% hurdle rate for transformative investments. In the first phase, we will invest EUR 30 million to install an electro slag remelting unit in the current melt shop, optimize the process and conduct a detailed engineering study for the second phase to confirm the total capex estimate of EUR 150 million. The second phase would include a greenfield investment in new melting and casting capabilities to further expand our high-nickel alloy product portfolio. We also continue to advance the scale-up of our proprietary technology to produce low- C O ₂ e n r i c h e d f e r r o c h r o m e a n d c h r o m i u m m e t a l . W h a t b e g a n a s a f o c u s e d t e c h n o l o g y development initiative is now evolving into a future-oriented business platform for growth. Led by our technology organization, the recent publication of the first patent applications covering key process elements marks an important milestone in this journey. Outokumpu is the global sustainability leader in stainless steel. During the second quarter, Outokumpu was recognized by TIME and Statista in the World’s Most Sustainable Companies ranking. On safety, Outokumpu works every day towards zero incidents. In Q2, the total recordable incident frequency rate (TRIFR) improved to 1.4, while for the first half of the year it was 1.6, close to our full year target level of 1.5. As always, I want to thank our employees for their dedication and drive to advance our strategic goals, our customers for their loyalty and business, our suppliers for their valuable collaboration, and our shareholders for their continued confidence in us. Outokumpu half-year report January–June 2026 4
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Outlook for Q3 2026 Group stainless steel deliveries in the third quarter are expected to decrease by 0–10% compared to the second quarter due to seasonality in business area Europe. Based on the current order book, the net impact of realized prices and raw material costs is expected to be positive. With current raw material prices, some raw material-related inventory and metal derivative gains are forecasted for the third quarter. Guidance for Q3 2026 Adjusted EBITDA in the third quarter of 2026 is expected to be on a similar level compared to the second quarter of 2026. Outokumpu half-year report January–June 2026 5
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Results Q2 2026 compared to Q2 2025 Sales in the second quarter of 2026 increased to EUR 1,582 million (EUR 1,486 million), mainly due to higher average selling prices. Stainless steel deliveries remained broadly stable, increasing by 1% compared to the comparative period. Adjusted EBITDA increased to EUR 100 million (EUR 75 million), mainly due to strong profitability in business area Americas, driven by higher average selling prices. Profitability in business area Europe remained broadly stable as the positive effects of higher volumes and selling prices were largely offset by an unfavorable product mix and higher variable costs, while business area Ferrochrome improved, supported by higher deliveries and prices. Raw material-related inventory and metal derivative result was EUR 11 million (EUR 6 million). Group's EBITDA was EUR 94 million (EUR 39 million), including items affecting comparability of EUR -6 million (EUR -35 million). EBIT was EUR 38 million (EUR -21 million). Depreciation, amortization and impairment were EUR -56 million (EUR -60 million). Net financial expenses were EUR -9 million (EUR -8 million), including interest expenses of EUR -14 million (EUR -13 million). Income taxes were EUR -7 million (EUR 9 million). Net result was EUR 25 million (EUR -19 million) and earnings per share was EUR 0.05 (EUR -0.04). ROCE for rolling 12 months was -1.5% (-1.4%). Q2 2026 compared to Q1 2026 Sales in the second quarter of 2026 increased to EUR 1,582 million (Q1/2026: EUR 1,451 million), driven by higher average selling prices and a 5% increase in stainless steel deliveries. Adjusted EBITDA increased to EUR 100 million (Q1/2026: EUR 65 million), mainly driven by a significant improvement in business area Europe, supported by higher deliveries and margins. Profitability in business area Americas remained strong and business area Ferrochrome improved, both supported by higher selling prices and increased deliveries. Raw material-related inventory and metal derivative result was EUR 11 million (Q1/2026: EUR 3 million). The Group's EBITDA was EUR 94 million (Q1/2026: EUR 59 million), including items affecting comparability of EUR -6 million (Q1/2026: EUR -6 million). EBIT was EUR 38 million (Q1/2026: EUR 3 million). Depreciation, amortization and impairment amounted to EUR -56 million (Q1/2026: EUR -56 million). Net financial expenses were EUR -9 million (Q1/2026: EUR -12 million), including interest expenses of EUR -14 million (Q1/2026: EUR -13 million). Income taxes were EUR -7 million (Q1/2026: EUR 2 million). Net result was EUR 25 million (Q1/2026: EUR -6 million) and earnings per share was EUR 0.05 (Q1/2026: EUR -0.01). ROCE for the rolling 12 months was -1.5% (Q1/2026: -3.0%), supported by improved profitability. Q1–Q2 2026 compared to Q1–Q2 2025 During January–June 2026, Outokumpu’s sales increased to EUR 3,033 million (EUR 3,010 million), driven by higher average selling prices in business area Americas, partly offset by lower selling prices and changes in the product mix in business area Europe. Stainless steel deliveries were at the same level compared to the previous year. Outokumpu half-year report January–June 2026 6 EUR million Group adjusted EBITDA Q2/25Q3/25Q4/25Q1/26Q2/26 0 20 40 60 80 100 EUR million Adjusted EBITDA Q1/26 Q2/26 EuropeAmericasFerrochrome Other -20 0 20 40 60
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Adjusted EBITDA increased to EUR 164 million in January–June 2026 (EUR 124 million), driven by improved profitability in business area Americas, supported by higher average selling prices. This was partly offset by somewhat lower profitability in business area Europe and business area Ferrochrome. Raw material-related inventory and metal derivative result was EUR 13 million (EUR 6 million). The Group's EBITDA was EUR 152 million (EUR 86 million), including items affecting comparability of EUR -12 million (EUR -37 million). EBIT was EUR 41 million (EUR -28 million). Depreciation, amortization and impairment were EUR -112 million (EUR -114 million). Net financial expenses were EUR -21 million (EUR -25 million), including interest expenses of EUR -27 million (EUR -29 million). Income taxes were EUR -6 million (EUR 13 million). Net result was EUR 18 million (EUR -37 million) and earnings per share was EUR 0.04 (EUR -0.09). Adjusted EBITDA by segment EUR million Q2/26 Q2/25 Q1/26 Q1–Q2/26 Q1–Q2/25 2025 Europe 17 16 -13 4 22 -46 Americas 53 29 52 105 41 102 Ferrochrome 37 32 30 67 75 138 Other operations and intra-group items -7 -3 -4 -11 -14 -27 Total adjusted EBITDA 100 75 65 164 124 167 Items affecting comparability in EBITDA EUR million Q2/26 Q2/25 Q1/26 Q1–Q2/26 Q1–Q2/25 2025 Europe -1 -33 — -1 -35 -65 Americas 0 -2 — 0 -3 -7 Ferrochrome — — — — — -1 Other operations -6 — -6 -11 — -7 Total items affecting comparability in EBITDA -6 -35 -6 -12 -37 -79 Total EBITDA 94 39 59 152 86 88 For more information on items affecting comparability, see Reconciliation of key figures to IFRS. Outokumpu half-year report January–June 2026 7
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Cash flow and financial position Cash flow EUR million Q2/26 Q2/25 Q1/26 Q1–Q2/26 Q1–Q2/25 2025 Operating cash flow 85 52 85 170 42 79 Change in working capital 20 44 57 76 28 112 Capital expenditure -36 -35 -49 -85 -86 -145 Free cash flow 51 21 34 85 -41 -46 Inventories 1,703 1,623 1,611 1,703 1,623 1,608 Q2 2026 compared to Q2 2025 Operating cash flow in the second quarter of 2026 improved to EUR 85 million (EUR 52 million), primarily driven by the stronger result. The contribution from working capital release was lower than in the comparison period. Free cash flow was EUR 51 million (EUR 21 million), including capital expenditure of EUR -36 million (EUR -35 million). At the end of the quarter inventories stood at EUR 1,703 million (EUR 1,623 million). The increase was driven by a higher inventory value per tonne, more than offsetting lower inventory volumes. Q2 2026 compared to Q1 2026 Compared with the previous quarter, operating cash flow remained unchanged at EUR 85 million (Q1/2026: EUR 85 million). Results improved, while the contribution from working capital release was lower than in the comparison period. Free cash flow was EUR 51 million (Q1/2026: EUR 34 million), including capital expenditure of EUR -36 million (Q1/2026: EUR -49 million). Compared with the end of the first quarter, inventories increased to EUR 1,703 million (March 31, 2026: EUR 1,611 million), as a higher value per tonne more than offset lower inventory volumes. Compared to year-end (December 31, 2025: EUR 1,608 million) inventories also increased for the same reason. Q1–Q2 2026 compared to Q1–Q2 2025 Operating cash flow in January–June 2026 improved to EUR 170 million (EUR 42 million). The improvement was driven by the stronger result and a larger release of working capital. Free cash flow was EUR 85 million (EUR -41 million), including capital expenditure of EUR -85 million (EUR -86 million). Financial position June 30 June 30 Mar 31 Dec 31 EUR million, or as indicated 2026 2025 2026 2025 Net debt 224 169 241 265 Gross debt 594 477 619 627 Net debt to adjusted EBITDA 1.1 0.8 1.3 1.6 Net gearing, % 6.5 4.8 7.1 7.8 Cash and cash equivalents 370 307 378 362 Liquidity reserves, EUR billion 1.2 1.1 1.2 1.2 Outokumpu half-year report January–June 2026 8 EUR million Operating cash flow Q2/25Q3/25Q4/25Q1/26Q2/26 -50 0 50 100 EUR million Net debt Q2/25Q3/25Q4/25Q1/26Q2/26 0 50 100 150 200 250 300
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At the end of the second quarter 2026, net debt decreased to EUR 224 million (March 31, 2026: EUR 241 million), mainly due to the positive free cash flow. In April, the first dividend installment of EUR -28 million was paid. Net debt to adjusted EBITDA for the last twelve months improved to 1.1 (March 31, 2026: 1.3), driven by lower net debt and higher adjusted EBITDA. Net gearing was 6.5% (March 31, 2026: 7.1%). Gross debt was EUR 594 million (March 31, 2026: EUR 619 million). The amount of outstanding commercial paper was EUR 30 million at the end of the second quarter 2026 (March 31, 2026: EUR 50 million). Cash and cash equivalents were EUR 370 million (March 31, 2026: EUR 378 million) and overall liquidity reserves were EUR 1.2 billion (March 31, 2026: EUR 1.2 billion). The liquidity reserves include cash and cash equivalents, as well as EUR 800 million of outstanding committed credit facilities, all of which were fully unutilized. Strategy execution EVOLVE is Outokumpu’s growth-focused strategy for 2026–2030, designed to build a stronger, more resilient business portfolio through disciplined capital allocation between foundational and transformative businesses. Through EVOLVE, Outokumpu aims to strengthen cost competitiveness and cash generation in sustainable stainless steel, grow profitably in advanced materials and alloys, increase value from the chrome mine and ferrochrome business by moving up the chromium value ladder, and create new value through innovative materials and proprietary technologies. A solid financial position, geographically diversified assets, strong market positions in Europe and the Americas, and secure access to critical raw materials provide a robust platform for executing this strategy. Foundational initiatives Outokumpu continued to focus on competitiveness and smart decarbonization. In business area Europe, the planned investment in a new annealing and pickling line in Tornio, Finland, together with the intended closure of two less competitive lines in Krefeld, Germany, remains under review. Transformative initiatives EVOLVE growth strategy is progressing through selected growth platforms. Building on the existing Advanced Materials business, Outokumpu has decided to launch an investment program in high-nickel alloys, a segment offering attractive global growth, higher margins and resilience. The investment will be implemented in two phases at the Avesta site in Sweden to accelerate market entry and improve returns. The first phase comprises a EUR 30 million investment in remelting equipment to accelerate customer qualification of existing grades, optimize the process and complete a detailed engineering study for the second phase, which will confirm the total capex estimate of EUR 150 million. The remelting equipment is expected to be operational at the beginning of 2028. The second phase of the investment program is intended to support further expansion in high-nickel alloys and broader end-use applications through a greenfield investment in new melt shop and casting capabilities. An investment decision for the second phase is planned for the first half of 2027, with production expected to start at the end of 2029. Construction of the pilot plant in New Hampshire, U.S., is progressing as planned, and t h e s c a l e - u p o f t h e p r o p r i e t a r y t e c h n o l o g y t o p r o d u c e l o w - C O ₂ - e n r i c h e d f e r r o c h r o m e a n d chromium metal is advancing. From 2027 to 2030, the focus is expected to shift toward industrialization. What began as a focused technology development initiative is now evolving into a future-oriented business platform for growth. The publication of the first patent applications in July covering key process elements marks an important milestone. In Ferrochrome, Outokumpu continued to expand its produc t portfolio toward higher- margin ferrochrome products to serve new customer segments, such as special steel producers. Restructuring program The program aims to support a sustainable cost base, mainly in business area Europe and global Group functions, through fixed-cost reductions, efficiency improvements and production footprint optimization. It remains on track to deliver EUR 100 million in annual cost savings by the end of 2027, with around half expected in 2026. Outokumpu half-year report January–June 2026 9
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Sustainability Safety In the second quarter, the total recordable incident frequency rate (TRIFR) was 1.4, showing an improvement from the previous quarter ( Q1/2026: 1.8) but deteriorating from the corresponding period last year ( Q2/2025: 1.2). For the first half of the year, TRIFR was 1.6, close to the full-year target level of 1.5. In the second quarter, multiple cross-learning visits were held, enabling knowledge sharing on practical improvement opportunities in contractor safety management, permit-to-work processes and the safest way to isolate work from hazardous energies. The visits also highlighted the use of digital tools to support and clarify shop-floor procedures. Climate and circular economy Outokumpu supports the green transition across the value chain through circularity, smart decarbonization initiatives, and the use of low-emission ferroalloys. The company’s high recycled-material content and low-carbon electricity use contribute to a carbon footprint that is up to 75% lower than the industry average, while reducing the need for virgin raw materials and helping to mitigate the impacts on nature. Outokumpu’s target is to use more than 90% recycled material in production annually. The company’s science-based target is to reduce the emission intensity of its direct Scope 1, indirect Scope 2 and supply chain Scope 3 emissions by 42% by 2030 from the 2016 baseline. Actions focus on reducing the use of fossil energy, increasing the use of low-emission raw materials such as biocoke, and exploring carbon capture technologies. In Q2 2026, Outokumpu maintained a high recycled-material content of 96%, and rolling 12-month emission intensity decreased to 1.33 from previous quarter's 1.35. Outokumpu was recognized by TIME and Statista in the World’s Most Sustainable Companies ranking in the second quarter of 2026 . In addition, Outokumpu was acknowledged for the third time as a Climate Leader in Europe by Financial Times. Safety performance, TRIFR 8.7 4.4 4.1 3.2 2.4 2.0 1.8 1.5 1.5 1.8 1.8 1.4 2016*2017*2018*2019*2020*2021 2022 2023 2024 2025Q1/26Q2/26 Recycled material content, % 87 87 89 90 93 90 94 95 95 97 95 96 2016*2017*2018*2019*2020*2021 2022 2023 2024 2025Q1/26Q2/26 Stainless steel emission intensity, all scopes, rolling 12 months 2.08 1.96 1.91 1.78 1.72 1.78 1.70 1.52 1.42 1.39 1.35 1.33 2016*2017*2018*2019*2020*2021 2022 2023 2024 2025Q1/26Q2/26 *Including discontinued operations (Long Products business divestment) Outokumpu half-year report January–June 2026 10
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Business area Europe Business area Europe is responsible for the production and sales of stainless steel flat products. It comprises two businesses: Stainless Europe, which focuses on standard grades across Europe, Middle East and Africa; and Advanced Materials, which serves global industries with high value added, tailored stainless and nickel- based alloy solutions for demanding environments. The business area serves a broad range of end uses, from consumer products and appliances to industrial and durable goods applications. Production facilities are located in Finland, Sweden, Germany, and the Netherlands. Key figures, EUR million, or as indicated Q2/26 Q2/25 Q1/26 Q1–Q2/26 Q1–Q2/25 2025 Stainless steel deliveries, 1,000 tonnes 339 324 324 663 641 1,148 Sales 1,061 1,014 955 2,016 2,065 3,600 Adjusted EBITDA 17 16 -13 4 22 -46 Items affecting comparability -1 -33 — -1 -35 -65 EBITDA 16 -17 -13 3 -13 -111 Operating capital 1,793 1,871 1,833 1,793 1,871 1,849 ROOC, rolling 12 months, % -10.2 -3.4 -9.8 -10.2 -3.4 -8.5 Results Q2 2026 compared to Q2 2025 Sales increased to EUR 1,061 million (EUR 1,014 million), supported by a 5% increase in stainless steel deliveries, while higher average selling prices were more than offset by changes in product mix. Adjusted EBITDA was EUR 17 million (EUR 16 million), as the positive effects of higher volumes and selling prices were largely offset by changes in product mix and higher variable costs. Raw material-related inventory and metal derivative result was EUR -6 million (EUR 1 million). Q2 2026 compared to Q1 2026 Sales increased to EUR 1,061 million (Q1/2026: EUR 955 million), driven by higher average selling prices and a 5% increase in stainless steel deliveries. Adjusted EBITDA improved to EUR 17 million (Q1/2026: EUR -13 million), driven by higher deliveries and margins. Raw material-related inventory and metal derivative result was EUR -6 million (Q1/2026: EUR -11 million). Q1–Q2 2026 compared to Q1–Q2 2025 Sales decreased to EUR 2,016 million (EUR 2,065 million), mainly due to lower average selling prices and changes in the product mix, while stainless steel deliveries increased by 3%. Adjusted EBITDA was EUR 4 million (EUR 22 million). The positive net impact of lower raw material costs and lower selling prices, together with higher deliveries, was more than offset by the changes in the product mix and the lower net absorption of fixed costs. Raw material-related inventory and metal derivative result was EUR -16 million (EUR 3 million). Market • In Q2 2026, European stainless steel demand remained broadly unchanged, while European producers benefited from CBAM and the new safeguard measures during the first half of the year. Demand from Consumer & Food, Construction and Transport end uses remained soft, while only selected industrial subsectors, including data centers, energy, and heating, ventilation and air conditioning, performed better. • In Q2 2026, apparent consumption in the EU-28 increased 4.6% compared with Q2 2025, but decreased by 1.2% compared with Q1 2026 (CRU Stainless Steel Flat Products Market Outlook May 2026). Cold rolled stainless steel imports into the EU-30 rose only slightly to 17% in Q2 2026 compared with 15% in Q1 2026. (Source: Eurofer July 2026, based on April–May imports) Outokumpu half-year report January–June 2026 11
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Business area Americas Business area Americas is responsible for the production and sales of stainless steel flat products and tailored solutions across the Americas for a broad range of end uses, from consumer products and appliances to industrial and durable goods applications. Production facilities are located in the US and Mexico. Key figures, EUR million, or as indicated Q2/26 Q2/25 Q1/26 Q1–Q2/26 Q1–Q2/25 2025 Stainless steel deliveries, 1,000 tonnes 153 166 148 301 322 622 Sales 472 427 434 907 850 1,676 Adjusted EBITDA 53 29 52 105 41 102 Items affecting comparability 0 -2 — 0 -3 -7 EBITDA 53 27 52 105 38 95 Operating capital 517 493 492 517 493 431 ROOC, rolling 12 months, % 26.5 3.7 21.6 26.5 3.7 13.0 Results Q2 2026 compared to Q2 2025 Sales increased to EUR 472 million (EUR 427 million), driven by higher selling prices, partly offset by an 8% decline in stainless steel deliveries . Adjusted EBITDA increased to EUR 53 million (EUR 29 million), driven by higher selling prices, partly offset by increased variable costs and lower delivery volumes. Raw material-related inventory and metal derivative result was EUR 15 million (EUR 9 million). Q2 2026 compared to Q1 2026 Sales increased to EUR 472 million (Q1/2026: EUR 434 million), driven by higher selling prices and a 4% increase in stainless steel deliveries. Performance continued at a strong level with an adjusted EBITDA of EUR 53 million (Q1/2026: EUR 52 million), as higher selling prices and increased deliveries offset higher costs. Raw material-related inventory and metal derivative result was EUR 15 million (Q1/2026: EUR 13 million). Q1–Q2 2026 compared to Q1–Q2 2025 Sales increased to EUR 907 million (EUR 850 million), driven by higher selling prices, partly offset by a 7% decline in stainless steel deliveries and a less favorable EUR/USD exchange rate. Adjusted EBITDA increased to EUR 105 million (EUR 41 million) driven by higher selling prices, partly offset by increased costs and lower delivery volumes. Raw material-related inventory and metal derivative result was EUR 28 million (EUR 8 million). Market • In Q2 2026, U.S. demand remained good, supported by strength in several industrial segments. Market activity picked up in areas such as energy, water, and heating, ventilation and air conditioning, while data centers, oil and gas, and chemicals remained solid. Activity in household appliances and automotive remained weak. Activity in the Mexican market also somewhat improved. • In Q2 2026, apparent consumption in the Americas for cold-rolled flat products increased by 5% compared to Q1 2026, and decreased by 6% compared to Q2 2025. (Source: American Iron and Steel Institute, AISI) • The share of cold-rolled imports into the U.S. was 20% in Q2 2026, flat compared to Q1 2026. (Source: AISI, based on April–May imports) • The share of cold-rolled imports into North America increased to 29 % in Q2 2026 up 2% from Q1 2026. (Source: AISI, based on April–May imports) Outokumpu half-year report January–June 2026 12
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Business area Ferrochrome Business area Ferrochrome is an integral part of Outokumpu’s stainless steel operations while repositioning from a mainly internal supplier of ferrochrome to an unrestricted market player. It operates the EU’s only chrome mine in Kemi and a ferrochrome smelter in Tornio, Finland. Its products include charge-grade ferrochrome and a range of special grades, sold to stainless steel and specialty metals producers globally, with Europe and the Americas as key regions. Key figures, EUR million, or as indicated Q2/26 Q2/25 Q1/26 Q1–Q2/26 Q1–Q2/25 2025 Ferrochrome deliveries, 1,000 tonnes 114 101 110 224 197 395 Sales 143 119 131 273 238 462 Adjusted EBITDA 37 32 30 67 75 138 Items affecting comparability — — — — — -1 EBITDA 37 32 30 67 75 137 Operating capital 863 876 872 863 876 835 ROOC, rolling 12 months, % 9.0 9.4 8.4 9.0 9.4 10.0 Results Q2 2026 compared to Q2 2025 Sales increased to EUR 143 million (EUR 119 million), driven by 13% higher ferrochrome deliveries and higher selling prices. Adjusted EBITDA increased to EUR 37 million (EUR 32 million), driven by higher selling prices and deliveries, partly offset by higher variable costs due to higher electricity prices and the increase in the Finnish mining tax. Q2 2026 compared to Q1 2026 Sales increased to EUR 143 million (Q1/2026: EUR 131 million), driven by 4% higher ferrochrome deliveries and higher selling prices. Adjusted EBITDA increased to EUR 37 million (Q1/2026 EUR 30 million), driven by higher selling prices and deliveries, partly offset by higher variable costs. Q1–Q2 2026 compared to Q1–Q2 2025 Sales increased to EUR 273 million (EUR 238 million), driven by 14% higher ferrochrome deliveries. Higher selling prices were largely offset by a less favorable EUR/ USD exchange rate. Adjusted EBITDA was EUR 67 million (EUR 75 million) as the positive impact of higher selling prices and delivery volumes was more than offset by a less favorable EUR/USD exchange rate, higher variable costs due to the increase in the Finnish mining tax and higher electricity prices, and lower net absorption of fixed costs. Market • Ferrochrome production in China remained high, while production of charge chrome in South Africa is expected to increase following an agreement on electricity price aid. Although uncertainty remains regarding the viability of the mechanism, higher subsidized supply from South Africa would negatively impact the market. In Q2 2026, demand for Outokumpu’s low-emission ferrochrome offering remained good. Outokumpu half-year report January–June 2026 13
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CRU market development overview Compared with the previous outlook, CRU has become more cautious regarding Western demand but more positive regarding Asian growth and supply expansion. The main reason is a weaker macro environment in Europe and the US, while policy measures (CBAM, safeguards, tariffs) and higher costs increasingly drive prices and trade flows. Asia continues to benefit from structural industrial growth, capacity expansion and cost competitiveness. In its latest forecast, global apparent consumption of stainless steel flat products is expected to increase by 1.8% year-on-year in Q2 2026, with APAC increasing 1.6% and EMEA at 4.6%. The Americas is to decrease by -1.2% year-on-year. The European stainless market remained the weakest region in Q2 2026. Demand was subdued across most end-use sectors, distributor restocking activity slowed, and end- user purchasing remained cautious following earlier inventory accumulation . Price rally driven by lower imports that had supported the market through much of the year lost momentum as weak underlying demand outweighed the benefits of lower imports and higher costs. Construction activity, particularly in Central and Eastern Europe, was one of the few areas providing support. The U.S. market was the most resilient among developed regions during Q2 2026. Demand remained mixed, with weakness in appliances and white goods offset by strong activity in data centers, oil and gas, chemical processing and stainless plate applications. Market conditions were supported by industrial investment and AI-related infrastructure spending, although demand growth remained concentrated in selected sectors rather than reflecting a broad-based industrial recovery. Asia, led by China, remained relatively stable, supported by manufacturing activity, exports, semiconductors, electronics and EV-related industries. However, market sentiment became increasingly influenced by rising supply, as Chinese stainless production increased and expectations of additional Indonesian material created concerns about oversupply. Demand remained more resilient than in Europe, but slowing growth expectations and weaker outlooks for appliance production began to weigh on commodity-grade markets and prices. (Source: CRU Stainless Steel Flat Products Monitor May/June/July 2026, CRU Global Economic Outlook June 2026) Personnel On June 30, 2026, Outokumpu’s full-time equivalent number of personnel totaled 8,205 (December 31, 2025: 8,251). Shares On June 30, 2026, Outokumpu’s share capital was EUR 311 million and the total number of shares was 473,016,832. At the end of June, Outokumpu held 1,639,116 treasury shares. The average number of shares outstanding was 471,377,716 in the second quarter of 2026 (434,321,305) and 471,326,273 in January–June 2026 (429,135,073). The closing share price at the end of the period, on June 30, was EUR 5.04. Risks and uncertainties Outokumpu is exposed to a range of risks and uncertainties that may adversely affect its business and operations. To mitigate these risks, Outokumpu applies continuous and comprehensive risk management across the company. Global economic activity, shifts in trade and economic policies, and geopolitical tensions expose Outokumpu to risks and uncertainties in its operating environment. These factors could have an adverse impact on the company's operations, financial performance, and overall financial position. The main short-term risks relate to trade policy developments and heightened geopolitical tensions, including the conflicts in the Middle East and disruptions to shipping traffic through the Strait of Hormuz. These factors could increase inflation and slow economic growth, ultimately weakening stainless steel demand and putting pressure on prices, despite stainless steel’s broad range of end uses. In the second quarter of 2026, the direct effects of the conflict in the Middle East were limited mainly to higher freight costs. I n the third quarter, the overall impact is expected to remain broadly in line with the second quarter, driven mainly by higher energy costs, while the impact of increased freight costs is expected to remain limited due to mitigation measures. Energy price hedging and the high share of Nordic electricity consumption, in a market primarily driven by renewable energy, especially wind and hydropower , help mitigate the impact of volatility in oil and gas markets. However, an escalation of the conflict could lead to higher energy costs and uncertainties related to supply chain reliability and Outokumpu half-year report January–June 2026 14
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weigh on economic growth, stainless steel demand and prices over the medium term, despite stainless steel’s broad range of end-uses. The U.S. continues to maintain 50% duties on steel imports generally. As a result, high volumes of low-priced Asian imports risk being diverted into Europe, continuing to burden the European stainless steel market. To address this, the steel safeguard measures, a new framework to protect the EU steel market from the negative trade- related effects of global overcapacity became effective on July 1, 2026, replacing the current EU steel safeguard measure, which expired on June 30, 2026, ensuring continued protection for the EU steel sector. Since January 2026, the Carbon Border Adjustment Mechanism (CBAM) aims to ensure that imported carbon-intensive goods face similar carbon costs as those produced within the EU. However, uncertainties remain regarding the effectiveness of safeguard measures and CBAM, including whether CBAM will ensure a level playing field and prevent carbon leakage. The U.S. and Mexico have begun bilateral discussions for the joint review of the United States-Mexico-Canada Agreement (USMCA). On July 1, 2026 the parties did not collectively agree to renew USMCA in its current form and, therefore, the parties will continue to renegotiate the agreement. Unless the parties agree to renew the agreement or one party formally withdraws, USMCA will remain in force, and the parties will have up to 10 more years to decide on whether to renew it. An extension of USMCA could enhance regional trade dynamics and support higher manufacturing volumes at Outokumpu’s U.S. and Mexico operations. The company remains exposed to risks related to volatile metal prices. Financial derivatives are used to manage the impacts of nickel price changes. Cyber security threats and dependencies on critical suppliers and machinery expose Outokumpu to the risk of operational disruption and additional costs. For more information on Outokumpu’s risks, please refer to the Annual Report for 2025 Risk Management section, and the Notes to the 2025 Financial Statements. Significant legal proceedings In May 2025, Outokumpu commented on unconfirmed news about a possible legal process initiated in Moscow by Rosatom against Outokumpu, among other parties. By the end of the reporting period, Outokumpu has not received any official notification regarding the reported claim or the process. From the beginning, Outokumpu has denied and continues to deny all grounds for liability related to the terminated Fennovoima nuclear power plant project, including the existence of any contractual relationship or obligation between Outokumpu and any Rosatom company. Rosatom has already previously and groundlessly attempted to involve Outokumpu in the arbitration proceedings concerning the termination of the Engineering, Procurement and Construction (EPC) contract regarding the Fennovoima nuclear power plant project. As we communicated on February 14, 2025, the arbitral tribunal confirmed that it does not have jurisdiction to adjudicate claims brought by RAOS Project Oy and JSC Rosatom Energy International (JSC REIN) against Outokumpu. This decision terminated the arbitral proceedings with respect to Outokumpu. There may be attempts in the future to join Outokumpu in legal disputes arising out of the terminated project. On July 16, 2018, a class of plaintiffs, consisting of former and current Outokumpu Calvert mill employees, brought a suit against Outokumpu Stainless USA, LLC in the U.S. federal district court, alleging that the company failed to pay full wages for regular work and overtime work they performed. The district court entered a default judgment against Outokumpu in 2021 with respect to liability without Outokumpu having the opportunity to argue the merits of the allegations and subsequently found Outokumpu liable to the plaintiffs for approximately USD 13 million in the aggregate, plus attorney’s fees. Outokumpu unsuccessfully appealed the district court’s decision and the matter was remanded to the district court for a final judgment. On July 2, 2025, the district court issued a partial judgment requiring Outokumpu to pay the plaintiffs approximately USD 13 million plus post-judgment interest and notify certain individuals, who were not previously notified at the initial stages of the case, that they have a right to opt-in to the class and receive damages payments for the relevant period. 52 additional plaintiffs have subsequently opted in. On March 23, 2026, the district court rejected Outokumpu’s remaining defenses and ordered Outokumpu to pay the original plaintiffs an additional USD 4 million in damages. The amount of attorney’s fees remains to be determined by the court. Outokumpu has an USD 7 million provisio n in place following realized payments during the second quarter. Annual General Meeting 2026 Outokumpu's Annual General Meeting 2026 was held on March 26, 2026, in the Congress Wing of Finlandia Hall, in Helsinki, Finland. The Annual General Meeting supported all of the proposals by the Board of Directors and the Shareholders' Nomination Board. All the resolutions of the Annual General Meeting can be found in a separate stock exchange release. Outokumpu half-year report January–June 2026 15
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Dividend The Annual General Meeting 2026 decided that a dividend of, in total, EUR 0.13 per share be paid based on the balance sheet to be adopted for the financial year ended on December 31, 2025. The dividend is paid in two installments . The first installment of EUR 0.06 per share was paid to shareholders who were registered in the company's shareholders' register held by Euroclear Finland Oy on the record date of the first dividend installment, March 30, 2026. The first dividend installment was paid on April 8, 2026. The second installment of EUR 0.07 per share will be paid to shareholders who are registered in the company's shareholders' register held by Euroclear Finland Oy on the record date of the second dividend installment, October 15, 2026. The second dividend installment will be paid on October 22, 2026. Events after the reporting period No events after the reporting period. Helsinki, July 30, 2026 Outokumpu Corporation Board of Directors Outokumpu half-year report January–June 2026 16
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Financial information Condensed statement of income Apr–Jun Apr–Jun Jan–Jun Jan–Jun Jan–Dec EUR million 2026 2025 2026 2025 2025 Sales 1,582 1,486 3,033 3,010 5,468 Cost of sales -1,461 -1,425 -2,828 -2,876 -5,279 Gross margin 121 60 205 134 189 Other operating income 10 1 18 11 28 Sales, general and administrative costs -90 -82 -175 -169 -342 Other operating expenses -3 -1 -8 -3 -9 Operating profit (EBIT) 38 -21 41 -28 -134 Share of results in associated companies 3 1 5 2 4 Interest expenses -14 -13 -27 -29 -54 Net other financial income and expenses 5 5 6 4 11 Total financial income and expenses -9 -8 -21 -25 -43 Result before taxes 32 -28 24 -51 -174 Income taxes -7 9 -6 13 36 Net result for the period 25 -19 18 -37 -137 Earnings per share for result attributable to the equity holders of the parent company Earnings per share, EUR 0.05 -0.04 0.04 -0.09 -0.31 Diluted earnings per share, EUR 0.05 -0.04 0.04 -0.09 -0.31 Net result for the period and total comprehensive income for the period are fully attributable to the equity holders of the parent company. Statement of comprehensive income Apr–Jun Apr–Jun Jan–Jun Jan–Jun Jan–Dec EUR million 2026 2025 2026 2025 2025 Net result for the period 25 -19 18 -37 -137 Items that may be reclassified to profit or loss: Exchange differences on translating foreign operations Change in exchange differences 13 -151 47 -208 -205 Cash flow hedges Fair value changes during the financial year 0 0 16 -5 -13 Reclassification to profit or loss 3 0 17 -7 -8 Income taxes -2 0 -7 3 4 Items that will not be reclassified to profit or loss: Remeasurements on defined benefit plans Changes during the accounting period -2 -1 0 4 20 Income taxes 1 0 0 -1 -8 Equity investments at fair value through other comprehensive income -3 -2 -1 -12 -5 Share of other comprehensive income in associated companies — — 0 0 0 Other comprehensive income, net of tax 9 -153 71 -228 -215 Total comprehensive income for the period 34 -173 90 -265 -352 Outokumpu half-year report January–June 2026 17
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Condensed statement of financial position June 30 June 30 Dec 31 EUR million 2026 2025 2025 ASSETS Non-current assets Intangible assets 570 584 573 Property, plant, and equipment 2,023 2,018 2,032 Investments in associated companies 84 78 79 Other financial assets 23 17 24 Deferred tax assets 504 483 502 Trade and other receivables 9 7 9 Total non-current assets 3,212 3,186 3,219 Current assets Inventories 1,703 1,623 1,608 Other financial assets 100 37 44 Trade and other receivables 632 615 471 Cash and cash equivalents 370 307 362 Total current assets 2,805 2,582 2,486 TOTAL ASSETS 6,018 5,768 5,705 June 30 June 30 Dec 31 EUR million 2026 2025 2025 EQUITY AND LIABILITIES Equity attributable to the equity holders of the parent company 3,430 3,498 3,405 Non-current liabilities Non-current debt 508 425 519 Other financial liabilities 1 1 2 Deferred tax liabilities 0 4 0 Employee benefit obligations 166 187 169 Provisions 73 58 76 Trade and other payables 8 12 10 Total non-current liabilities 756 686 775 Current liabilities Current debt 86 52 108 Other financial liabilities 25 63 33 Provisions 49 47 57 Trade and other payables 1,672 1,423 1,327 Total current liabilities 1,832 1,585 1,525 TOTAL EQUITY AND LIABILITIES 6,018 5,768 5,705 Outokumpu half-year report January–June 2026 18
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Condensed statement of cash flows Apr–Jun Apr–Jun Jan–Jun Jan–Jun Jan–Dec EUR million 2026 2025 2026 2025 2025 Net result for the period 25 -19 18 -37 -137 Adjustments Depreciation, amortization, and impairments 56 60 112 114 222 Other adjustments -5 -60 -6 -66 -71 Change in working capital 20 44 76 28 112 Interests and dividends received 2 2 3 3 7 Interests paid -9 -10 -22 -27 -48 Other financial items 3 38 -6 33 3 Income taxes paid -5 -3 -6 -6 -9 Net cash from operating activities 85 52 170 42 79 Purchases of assets -36 -35 -85 -86 -145 Proceeds from the disposal of shares in Group companies and businesses, net of cash — 0 — 0 1 Proceeds from the sale of assets 0 0 0 0 18 Other investing cash flow 2 3 -1 3 1 Net cash from investing activities -34 -31 -85 -83 -125 Apr–Jun Apr–Jun Jan–Jun Jan–Jun Jan–Dec EUR million 2026 2025 2026 2025 2025 Cash flow before financing activities 51 21 85 -41 -46 Dividends paid -28 -55 -28 -55 -116 Borrowings of non-current debt — — — 200 300 Repayment of non-current debt -11 -10 -30 -28 -57 Change in current debt -20 0 -20 -79 -30 Net cash from financing activities -60 -66 -78 37 97 Net change in cash and cash equivalents -9 -45 7 -3 51 Cash and cash equivalents at the beginning of the period 378 354 362 313 313 Net change in cash and cash equivalents -9 -45 7 -3 51 Foreign exchange rate effect 1 -2 1 -2 -2 Cash and cash equivalents at the end of the period 370 307 370 307 362 Outokumpu half-year report January–June 2026 19
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Statement of changes in equity Attributable to the equity holders of the parent company EUR million Share capital Premium fund Other restricted reserves Invested unrestricted equity reserve Treasury shares Fair value reserve from equity investments Fair value reserve from derivatives Cumulative translation differences Remeasure- ments of defined benefit plans Other retained earnings Total equity Retained earnings Equity on January 1, 2025 311 714 0 2,307 -159 14 8 70 -131 615 3,748 Net result for the period — — — — — — — — — -37 -37 Other comprehensive income — — — — — -12 -10 -208 3 0 -228 Total comprehensive income for the period — — — — — -12 -10 -208 3 -38 -265 Transactions with equity holders of the parent company Contributions and distributions Dividend distribution — — — — — — — — — -110 -110 Conversion of convertible bond — — — 125 — — — — — 0 124 Share-based payments — — — — 3 — — — — -3 0 Cancellation of treasury shares — — — -47 57 — — — — -10 — Fair value transfer to inventory — — — — — — 1 — — — 1 Other 1) — — — — — — — 89 — -89 — Equity on June 30, 2025 311 714 0 2,385 -99 2 -1 -49 -128 363 3,498 Equity on January 1, 2026 311 714 0 2,294 -7 9 -7 -46 -119 257 3,405 Net result for the period — — — — — — — — — 18 18 Other comprehensive income — — — — — -1 26 47 0 0 71 Total comprehensive income for the period — — — — — -1 26 47 0 19 90 Transactions with equity holders of the parent company Contributions and distributions Dividend distribution — — — — — — — — — -61 -61 Share-based payments — — — 0 1 — — — — 0 1 Fair value transfer to inventory — — — — — — -4 — — — -4 Equity on June 30, 2026 311 714 0 2,294 -7 7 14 1 -119 215 3,430 1) Other is related to reclassification of cumulative translation differences with no impact in total retained earnings. Outokumpu half-year report January–June 2026 20
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Notes to the half-year report 1. Basis of preparation and accounting policies This half-year report is unaudited and is prepared in accordance with IAS 34 Interim Financial Reporting. It has been prepared on a going concern basis . The same accounting policies and methods of computation have been followed when preparing the financial information as in the financial statements for 2025, with the exception of new and amended standards applied from the beginning of 2026. These amendments did not have a material impact on Outokumpu’s consolidated financial statements. All presented figures in this report have been rounded and, consequently, the sum of individual figures can deviate from the presented figure. Key figures have been calculated using exact figures. The sales, earnings, and working capital of Outokumpu are subject to seasonal variations as a result of, for example, industry demand, the number of working days, and vacation periods. Management judgment and the use of estimates The preparation of the financial statements in accordance with IFRS requires management to make judgments as well as estimates and assumptions that affect the reported amounts of assets and liabilities, and the disclosure of contingent assets and contingent liabilities at the reporting date, as well as the reported amounts of income and expenses during the reporting period. Although these estimates are based on management’s best knowledge of the circumstances at the end of the reporting period, actual outcomes may differ from the estimates and assumptions. Share based payments During 2026, Outokumpu's share-based payment programs include Performance Share Plan (periods 2024–2026, 2025–2027 and 2026–2028) and Restricted Share Pool (periods 2024–2026, 2025–2027 and 2026–2028). The Performance Share Plan 2023–2025 ended with the performance targets not achieved (achievement 0%). As a result no shares were awarded to the participants. From the Restricted Share Pool 2023–2025, after deductions for applicable taxes as the last installment of three, in total 32,603 shares were delivered to 49 participants. From the Restricted Share Pool 2024–2026, after deductions for applicable taxes as the second installment of three, in total 92,609 shares were delivered to 73 participants. From the Restricted Share Pool 2025–2027, after deductions for applicable taxes as the first installment of three, in total 44,083 shares were delivered to 58 participants. Shares were delivered in February 2026, and Outokumpu used its treasury shares for the reward payments. December 2025, the Board of Directors approved the commencement of plan 2026–2028 of the Performance Share Plan and the Restricted Share Pool from the beginning of 2026. At the end of June 2026, the maximum number of gross shares (taxes included) that can be delivered from the Performance Share Plan 2026–2028 is 3,049,058 and 198 key employees participated in the plan. The maximum number of gross shares (tax included) that can be allocated from the Restricted Share Pool 2026–2028 is 441,800 and, at the end of the reporting period, 87 key employees participated in the plan. Outokumpu half-year report January–June 2026 21
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2. Segment information Sales by segment Europe total 1,061 1,014 2,016 2,065 3,600 of which intra-group -10 -15 -23 -23 -43 Americas total 472 427 907 850 1,676 of which intra-group — -1 -1 -1 -1 Ferrochrome total 143 119 273 238 462 of which intra-group -85 -65 -145 -130 -245 Other operations total 39 36 93 82 159 of which intra-group -38 -30 -89 -71 -140 Total sales 1,582 1,486 3,033 3,010 5,468 Adjusted EBITDA by segment Europe 17 16 4 22 -46 Americas 53 29 105 41 102 Ferrochrome 37 32 67 75 138 Other operations and intra-group items -7 -3 -11 -14 -27 Total adjusted EBITDA 100 75 164 124 167 Items affecting comparability in EBITDA and EBIT by segment Europe -1 -33 -1 -35 -65 Americas 0 -2 0 -3 -7 Ferrochrome — — — — -1 Other operations -6 — -11 — -7 Total items affecting comparability in EBITDA -6 -35 -12 -37 -79 Europe — -7 — -7 -7 Total items affecting comparability in EBIT -6 -43 -12 -44 -86 Apr–Jun Apr–Jun Jan–Jun Jan–Jun Jan–Dec EUR million, or as indicated 2026 2025 2026 2025 2025 EBITDA by segment Europe 16 -17 3 -13 -111 Americas 53 27 105 38 95 Ferrochrome 37 32 67 75 137 Other operations and intra-group items -12 -3 -23 -14 -33 Total EBITDA 94 39 152 86 88 Adjusted EBIT by segment Europe -16 -13 -61 -35 -160 Americas 44 21 87 24 67 Ferrochrome 23 19 39 48 86 Other operations and intra-group items -8 -6 -13 -21 -41 Total adjusted EBIT 44 21 52 17 -48 Operating profit (EBIT) by segment Europe -16 -53 -62 -76 -233 Americas 44 19 88 21 61 Ferrochrome 23 19 39 48 85 Other operations and intra-group items -14 -6 -25 -21 -48 Total operating profit (EBIT) 38 -21 41 -28 -134 Apr–Jun Apr–Jun Jan–Jun Jan–Jun Jan–Dec EUR million, or as indicated 2026 2025 2026 2025 2025 Outokumpu half-year report January–June 2026 22
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Depreciation and amortization by segment Europe -32 -29 -65 -57 -114 Americas -9 -8 -18 -17 -34 Ferrochrome -14 -13 -27 -26 -52 Other operations -1 -4 -2 -7 -14 Total depreciation and amortization -56 -53 -112 -107 -215 Capital expenditure by segment Europe 12 12 31 36 68 Americas 5 6 12 9 22 Ferrochrome 12 6 30 12 13 Other operations 7 10 11 30 42 Total capital expenditure 36 35 85 86 145 Personnel at the end of period by segment, full- time equivalent June 30 Jun 30 June 30 Jun 30 Dec 31 2026 2025 2026 2025 2025 Europe 5,574 5,686 5,574 5,686 5,646 Americas 1,769 1,729 1,769 1,729 1,744 Ferrochrome 454 465 454 465 454 Other operations 409 420 409 420 407 Total personnel at the end of period 8,205 8,300 8,205 8,300 8,251 Apr–Jun Apr–Jun Jan–Jun Jan–Jun Jan–Dec EUR million, or as indicated 2026 2025 2026 2025 2025 Outokumpu half-year report January–June 2026 23
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3. Revenue Geographical information – Sales by destination Finland 81 129 204 Germany 559 498 918 Italy 407 347 604 The UK 110 115 200 Poland 104 84 163 Other Europe 659 703 1,201 North America 958 925 1,807 Asia and Oceania 137 169 309 Other countries 17 39 62 Total sales 3,033 3,010 5,468 Total external sales by segment Europe 1,993 2,042 3,557 of which to Finland 71 116 180 of which to Germany 551 486 898 of which to Italy 395 340 590 of which to The UK 110 110 189 of which to Poland 104 84 163 of which to other Europe 592 647 1,105 of which to North America 41 59 101 of which to Asia and Oceania 115 162 272 of which to other countries 14 37 59 Jan–Jun Jan–Jun Jan–Dec EUR million 2026 2025 2025 Americas 906 849 1,675 of which to The UK 0 1 1 of which to North America 903 845 1,668 of which to Asia and Oceania 0 2 3 of which to other countries 3 1 2 Ferrochrome 129 107 217 of which to Finland 7 6 12 of which to Germany 8 11 17 of which to Italy 12 7 14 of which to The UK 0 4 10 of which to other Europe 65 55 93 of which to North America 14 20 36 of which to Asia and Oceania 22 5 34 of which to other countries 0 0 0 Other operations 4 11 19 of which to Finland 3 8 13 of which to Germany 0 1 3 of which to The UK 0 0 0 of which to other Europe 1 2 2 of which to North America 0 0 1 of which to Asia and Oceania 0 0 0 Total sales 3,033 3,010 5,468 Jan–Jun Jan–Jun Jan–Dec EUR million 2026 2025 2025 Outokumpu half-year report January–June 2026 24
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4. Property, plant and equipment Property, plant and equipment Jan–Jun Jan–Jun Jan–Dec EUR million 2026 2025 2025 Carrying value at the beginning of the period 2,032 2,114 2,114 Translation differences 7 -43 -38 Additions 90 56 161 Disposals 0 -3 -5 Reclassifications -4 0 0 Depreciation and impairments -102 -107 -209 Other 0 1 9 Carrying value at the end of the period 2,023 2,018 2,032 Change in other mainly comes from extensions and index and rate increases in the lease contracts. 5. Commitments and contingent liabilities Commitments June 30 June 30 Dec 31 EUR million 2026 2025 2025 Mortgages 156 156 156 Other pledges 13 13 13 Guarantees On behalf of subsidiaries for commercial and other commitments 34 32 31 Other commitments for financing 7 4 8 Outokumpu has issued business mortgages over movable assets in Kemi to secure an outstanding project loan maturing in September 2030. Other pledges, EUR 13 million, relate to Outokumpu's responsibility for certain debts of the associated company Manga LNG Oy, the amount of which was EUR 6 million at the end of the reporting period (December 31, 2025: EUR 7 million). Outokumpu Corporation is, in relation to its shareholding in EPV Energia Oy, liable for the costs, commitments and liabilities relating to electricity provided by Tornion Voima Oy. These commitments are reported under other commitments for financing. The Group's other off-balance sheet investment commitments totaled EUR 60 million on June 30, 2026 (December 31, 2025: EUR 76 million). Outokumpu half-year report January–June 2026 25
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6. Related parties Related party transactions Jan–Jun Jan–Jun Jan–Dec EUR million 2026 2025 2025 Transactions and balances with related companies Sales and other operating income 60 54 97 Purchases -69 -64 -117 Dividend income 0 — 1 Trade and other receivables 38 30 27 Trade and other payables 16 7 10 All the related party transactions and balances are related to associated companies. In 2023, Outokumpu Corporation agreed to participate in a convertible loan offered by associated company Voimaosakeyhtiö SF to its shareholders. Outokumpu’s share of the convertible loan totaled EUR 14 million and was settled in full through four installments. The final installment, amounting to EUR 3 million, was paid in January 2026. At the end of June 2026, the loan is valued at EUR 0 million. 7. Derivative instruments Fair values and nominal amounts of derivative instruments June 30 Dec 31 June 30 Dec 31 2026 2025 2026 2025 Net Net Nominal Nominal EUR million fair value fair value amounts amounts Currency and interest rate derivatives Currency forwards 29 -7 2,402 1,735 Commodity derivatives Tonnes Tonnes Forward nickel contracts, hedge accounted 14 -4 20,676 18,152 Forward nickel contracts 2 0 6,540 5,502 MWH MWH Forward gas contracts, hedge accounted 3 -5 1,277,262 973,118 48 -17 Outokumpu half-year report January–June 2026 26
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8. Financial assets and liabilities Hierarchy of financial assets and liabilities measured at fair value on June 30, 2026 EUR million Level 1 Level 2 Level 3 Total Assets Equity investments at fair value through OCI 7 — 16 23 Investments at fair value through profit or loss 27 — 0 27 Derivatives — 74 — 74 34 74 16 123 Liabilities Derivatives — 26 — 26 Reconciliation of changes on level 3 EUR million Investments at fair value through profit or loss Equity investments at fair value through other comprehensive income Carrying value on Jan 1, 2026 0 14 Additions 3 — Fair value changes -3 1 Carrying value at the end of the period 0 16 Equity investments at fair value through profit and loss consists of convertible loan offered by Voimaosakeyhtiö SF to its shareholders. At the end of June 2026, the loan is valued at EUR 0 million. Equity investments at fair value through other comprehensive income include mainly unlisted strategic holdings in energy producing companies reported in Level 3 and the investment in the Canadian junior mining and development company FPX Nickel reported in Level 1. Fair value changes in energy producing companies are mainly caused by update of market prices. The fair value of non-current debt is EUR 508 million and carrying amount EUR 508 million on June 30, 2026. The fair value of non-current loans is determined using the discounted cash flow method, which uses the yields observed on the reporting date. Fair value for current financial assets and liabilities correspond to the carrying amount as the effect of discounting is immaterial. 9. Business disposals No business disposals in 2026. Outokumpu half-year report January–June 2026 27
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Group key figures, including alternative performance measures (APMs) Group key figures EUR million, or as indicated Apr–Jun Apr–Jun Jan–Jun Jan–Jun Jan–Dec 2026 2025 2026 2025 2025 Scope of activity Sales 1,582 1,486 3,033 3,010 5,468 Capital employed at the end of period 4,024 3,974 4,024 3,974 4,032 Capital expenditure 36 35 85 86 145 Personnel at the end of period, full-time equivalent 8,205 8,300 8,205 8,300 8,251 - average for the period 8,189 8,316 8,197 8,342 8,328 Personnel at the end of period, headcount 1) 9,135 9,415 9,135 9,415 8,605 1) Including 618 summer trainees in June 2026 (813). Profitability Adjusted EBITDA 100 75 164 124 167 Items affecting comparability in EBITDA -6 -35 -12 -37 -79 EBITDA 94 39 152 86 88 Operating profit (EBIT) 38 -21 41 -28 -134 Net result for the period 25 -19 18 -37 -137 Earnings per share, EUR 0.05 -0.04 0.04 -0.09 -0.31 Diluted earnings per share, EUR 0.05 -0.04 0.04 -0.09 -0.31 Return on equity, rolling 12 months (ROE), % -2.4 -1.3 -2.4 -1.3 -3.9 Return on capital employed, rolling 12 months, % (ROCE) -1.5 -1.4 -1.5 -1.4 -3.2 EUR million, or as indicated Apr–Jun Apr–Jun Jan–Jun Jan–Jun Jan–Dec 2026 2025 2026 2025 2025 Financing and financial position Net debt at the end of period 224 169 224 169 265 Net debt to adjusted EBITDA 1.1 0.8 1.1 0.8 1.6 Equity-to-assets ratio at the end of period, % 57.1 60.9 57.1 60.9 59.8 Debt-to-equity ratio at the end of period (net gearing), % 6.5 4.8 6.5 4.8 7.8 Operating cash flow 85 52 170 42 79 Equity per share at the end of period, EUR 7.28 8.02 7.28 8.02 7.23 Outokumpu half-year report January–June 2026 28
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Reconciliation of key figures to IFRS EUR million, or as indicated Apr–Jun Apr–Jun Jan–Jun Jan–Jun Jan–Dec 2026 2025 2026 2025 2025 EBITDA Operating profit (EBIT) 38 -21 41 -28 -134 Depreciation and amortization 56 53 112 107 215 Impairments — 7 — 7 7 EBITDA 94 39 152 86 88 Items affecting comparability in EBITDA and EBIT Restructuring and transformation costs -6 -33 -12 -35 -71 Litigation provisions 0 -2 0 -2 -6 Environmental — 0 — 0 -2 Items affecting comparability in EBITDA -6 -35 -12 -37 -79 Impairments on non-current assets — -7 — -7 -7 Items affecting comparability in EBIT -6 -43 -12 -44 -86 In 2026, items affecting comparability in EBIT includes restructuring and transformation costs. In 2025, items affecting comparability in EBIT mainly related to the restructuring provisions of which EUR 34 million arising from personnel negotiations, primarily in the Europe business area and Group functions, as announced on October 1, 2025 and EUR 29 million and non-current asset impairments EUR 7 million in relation to strategy, EVOLVE announced on June 10, 2025. Restructuring costs also include EUR 6 million related to the remaining actions of German site closures and transfers of operations as announced in 2023. Litigation provisions EUR 6 million relate to an increase of provision related to legal proceedings against Outokumpu Stainless USA, LLC. Adjusted EBITDA EBITDA 94 39 152 86 88 Items affecting comparability in EBITDA 6 35 12 37 79 Adjusted EBITDA 100 75 164 124 167 EUR million, or as indicated Apr–Jun Apr–Jun Jan–Jun Jan–Jun Jan–Dec 2026 2025 2026 2025 2025 Adjusted EBIT Operating profit (EBIT) 38 -21 41 -28 -134 Items affecting comparability in EBIT 6 43 12 44 86 Adjusted EBIT 44 21 52 17 -48 Earnings per share Net result 25 -19 18 -37 -137 Adjusted weighted average number of shares during the period, 1,000 shares 1) 471,378 434,321 471,326 429,135 450,345 Earnings per share, EUR 0.05 -0.04 0.04 -0.09 -0.31 Diluted earnings per share 2) Net result 25 18 Adjusted diluted weighted average number of shares during the period, 1,000 shares 1) 474,574 474,097 Diluted earnings per share, EUR 0.05 0.04 1) Excluding treasury shares. 2) Diluted earnings per share is equal to earnings per share in Apr-Jun 2025, Jan-Jun 2025 and Jan- Dec 2025. Return on capital employed, rolling 12 months (ROCE) Operating profit (EBIT) (4-quarter rolling) -66 -61 -66 -61 -134 Share of results in associated companies (4-quarter rolling) 6 4 6 4 4 Total -60 -57 -60 -57 -131 Capital employed (4-quarter rolling average) 4,014 4,140 4,014 4,140 4,108 Return on capital employed, rolling 12 months (ROCE), % -1.5 -1.4 -1.5 -1.4 -3.2 EUR million, or as indicated Apr–Jun Apr–Jun Jan–Jun Jan–Jun Jan–Dec 2026 2025 2026 2025 2025 Outokumpu half-year report January–June 2026 29
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Capital employed Equity 3,430 3,498 3,430 3,498 3,405 Non-current debt 508 425 508 425 519 Current debt 86 52 86 52 108 Capital employed 4,024 3,974 4,024 3,974 4,032 Return on equity, rolling 12 months (ROE) Net result (4-quarter rolling) -82 -49 -82 -49 -137 Total equity (4-quarter rolling average) 3,437 3,645 3,437 3,645 3,553 Return on equity, rolling 12 months (ROE), % -2.4 -1.3 -2.4 -1.3 -3.9 Capital expenditure Purchases of property, plant and equipment and intangible assets 36 33 85 85 143 Equity investments at fair value through OCI — 1 — 1 2 Purchases of assets 36 35 85 86 145 Capital expenditure 36 35 85 86 145 Gross debt and net debt Non-current debt 508 425 508 425 519 Current debt 86 52 86 52 108 Gross debt 594 477 594 477 627 Cash and cash equivalents -370 -307 -370 -307 -362 Net debt 224 169 224 169 265 EUR million, or as indicated Apr–Jun Apr–Jun Jan–Jun Jan–Jun Jan–Dec 2026 2025 2026 2025 2025 Net debt to adjusted EBITDA Net debt 224 169 224 169 265 Adjusted EBITDA (4-quarter rolling) 208 206 208 206 167 Net debt to adjusted EBITDA 1.1 0.8 1.1 0.8 1.6 Equity-to-assets ratio Equity 3,430 3,498 3,430 3,498 3,405 Assets 6,018 5,768 6,018 5,768 5,705 Advances received -9 -25 -9 -25 -10 Total 6,009 5,743 6,009 5,743 5,695 Equity-to-assets ratio, % 57.1 60.9 57.1 60.9 59.8 Debt to equity ratio (net gearing) Net debt 224 169 224 169 265 Equity 3,430 3,498 3,430 3,498 3,405 Debt-to-equity ratio (net gearing), % 6.5 4.8 6.5 4.8 7.8 Equity per share Equity 3,430 3,498 3,430 3,498 3,405 Adjusted number of shares, 1,000 shares 1) 471,378 435,946 471,378 435,946 471,208 Equity per share, EUR 7.28 8.02 7.28 8.02 7.23 EUR million, or as indicated Apr–Jun Apr–Jun Jan–Jun Jan–Jun Jan–Dec 2026 2025 2026 2025 2025 1) Excluding treasury shares. Outokumpu half-year report January–June 2026 30
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Definitions of financial key figures Operating profit (EBIT) Operating profit (EBIT) is a measure of financial performance of the Group. Net result for the period excluding income taxes, financial income and expenses and share of results in associated companies EBITDA EBITDA is a measure of financial performance of the Group. EBIT before depreciation, amortization and impairments Items affecting comparability (IAC) in EBITDA or in EBIT Items affecting comparability in EBITDA or EBIT improves comparability of financial performance between reporting periods. Material income and expense items which affect the comparability between periods because of their unusual nature, size or incidence resulting for example from group-wide restructuring and transformation programs, disposals of assets or businesses or items related to aftercare of old mines. Adjusted EBITDA or EBIT Adjusted EBITDA is Outokumpu’s main performance indicator in financial reporting. EBITDA or EBIT +/ - items affecting comparability Capital employed Capital employed is a measure for the amount of capital invested in the Group’s operations. Total equity + gross debt Operating capital (segment reporting) Operating capital is a measure for the amount of capital invested in the Group’s operations. It is used as a measure for the business areas’ net assets. Capital employed – cash and cash equivalents –lease receivables– investments in associated companies – investments in equity at fair value through other comprehensive income – investments at fair value through profit or loss – net deferred tax asset – net asset held for sale + net employee benefit obligations Return on capital employed, rolling 12 months (ROCE) Return on capital employed is a measure for the value the Group generates to the capital invested in its operations. Operating profit (EBIT) + Share of results in associated companies (4-quarter rolling) × 100Capital employed (4-quarter rolling average) Return on operating capital, rolling 12 months (ROOC) (segment reporting) Return on operating capital is an internal measure for the value the business areas generate to the capital invested in their operations. Adjusted EBIT (4-quarter rolling) × 100Operating capital (4-quarter rolling average) Return on equity, rolling 12 months (ROE) Return on equity is an indicator of the value the Group generates to the capital the shareholders have invested in the Group. Net result for the financial period (4-quarter rolling) × 100Total equity (4-quarter rolling average) Gross debt Gross debt is a measure for the level of debt financing in the Group. Non-current debt + current debt Net debt Net debt is a measure for the level of debt financing in the Group. Gross debt – cash and cash equivalents Equity-to-assets ratio Equity-to-assets ratio shows the proportion of the Group’s assets financed with equity. It indicates the financial risk level of the Group. Total equity × 100Total assets – advances received Debt-to-equity ratio (net gearing) Debt-to-equity ratio or net gearing is an indicator of the financial risk level and the indebtedness of the Group. Net debt × 100Total equity Net debt to adjusted EBITDA Net debt to Adjusted EBITDA is an indicator of the Group’s indebtedness. Net debt Adjusted EBITDA (4-quarter rolling) Capital expenditure Capital expenditure indicates the investment in assets to generate future cash flows for the Group. Purchases of property, plant and equipment and intangible assets, other than emission allowances; and investments in equity at fair value through other comprehensive income and in associated companies and acquisitions of businesses Key figure Purpose Definition Outokumpu half-year report January–June 2026 31
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Operating cash flow Operating cash flow measures the cash generated from business activities and represents the cash available for investing activities, debt repayments, and dividend payments. Net cash from operating activities Free cash flow Free cash flow is an indicator of the cash flow that remains for e.g. payment of dividends and debt. Cash flow before financing activities Earnings per share Earnings per share is an IFRS defined key figure. Net result for the financial period attributable to the equity holders Adjusted weighted average number of shares during the period Diluted earnings per share Diluted earnings per share is an IFRS defined key figure. Net result for the financial period attributable to the equity holders + interest expenses on convertible bonds, net of tax Adjusted diluted weighted average number of shares during the period Equity per share Equity per share shows Group's net assets per share and is an indication of the value of company's share. Equity attributable to the equity holders Adjusted number of shares at the end of the period Personnel, full-time equivalent Headcount adjusted to full-time equivalent number of personnel, excluding personnel on sick leave or parental leave of more than 6 months, excluding personnel whose employment has been terminated and who are in the notice period without requirement to work and excluding interim workforce Definitions of sustainability key figures Key figure Purpose Definition Stainless steel emission intensity, all scopes, rolling 12 months Indicator for carbon emissions per tonne produced crude stainless steel Total tonne of CO2 per tonne produced crude stainless steel across Scope 1, 2 and 3. Figure include emissions of ferrochrome production equivalent to stainless steel production. Reported as rolling 12 months. Calculated following the Greenhouse Gas Protocol of the World Resources Institute (WRI). Recycled material content Indicator for the use of recycled metals in the production of stainless steel The recycled material content equals the tons of recycled metal input to the melt compared to the volume of crude steel produced. The recycled metal input includes both pre- and post-consumer recycled metals as defined by ISO 14021. Recycled materials used as such in the same process where it was generated is not included. Safety performance, TRIFR TRIFR measures all recordable injuries within hours worked in a certain period and is expressed as a number of incidents per million working hours. Total recordable injuries (TRI) include fatal accidents, lost time injuries, restricted work injuries and medically treated injuries. First aid treated injuries are excluded. Total hours worked is the sum of all working hours including regular, overtime and training hours of employees and the total hours of contractors worked on company premises. Key figure Purpose Definition Result publication dates Outokumpu publishes its financial reports in 2026: • Interim report for January-September 2026 on Friday, November 6, 2026. Outokumpu will publish its annual report 2024 during the week 10. Outokumpu half-year report January–June 2026 32