Orion S.A.

Outlook

“Our efforts to enhance competitiveness include a comprehensive analysis of cost structure and underperforming assets, headcount reductions, additional belt tightening efforts and greater prioritization of mission critical maintenance projects. Reflecting progress on working capital initiatives and considering our new Adjusted EBITDA guidance range, we anticipate free cash flow in $25 million – $40 million range for 2025,” Mr. Painter concluded.

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As previously announced, Orion will hold a conference call tomorrow, Wednesday, November 5, 2025, at 8:30 a.m. (EDT). The dial-in details for the live conference call are as follows:

A replay of the conference call may be accessed by phone at the following numbers to Wednesday, November 26, 2025:

Additionally, an archived webcast of the conference call will be available on the investor section of the company’s website at www.orioncarbons.com.

To learn more about Orion S.A., visit the company’s investor website at www.orioncarbons.com, where we regularly post information including notification of events, news, financial performance, investor presentations and webcasts, non-GAAP reconciliations, the Securities and Exchange Commission filings and other information regarding our company, its businesses and the markets it serves.

About Orion S.A.

Orion S.A. (NYSE: OEC) is a leading global supplier of carbon black, a solid form of carbon produced as powder or pellets. The material is made to customers’ exacting specifications for tires, coatings, ink, batteries, plastics and numerous other specialty, high-performance applications. Carbon black is used to tint, colorize, provide reinforcement, conduct electricity, increase durability, and add UV protection. Orion has innovation centers on three continents and produces carbon black at 14 plants worldwide, excluding the under-construction facility at La Porte, Texas, offering the most diverse variety of production processes in the industry. The company’s corporate lineage goes back more than 160 years to Germany, where it operates the world’s longest-running carbon black plant. Orion is a leading innovator, applying a deep understanding of customers’ needs to deliver sustainable solutions. For more information, please visit www.orioncarbons.com.

Cautionary Statement for the Purposes of the “Safe Harbor” Provisions of the Private Securities Litigation Reform Act of 1995

This document contains and refers to certain forward-looking statements with respect to our financial condition, results of operations and business, including those in the “Outlook ” section above. These statements constitute forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Forward-looking statements are statements of future expectations that are based on management’s current expectations and assumptions and involve known and unknown risks and uncertainties that could cause actual results, performance or events to differ materially from those expressed or implied in these statements. You should not place undue reliance on forward-looking statements. Forward-looking statements include, among others, statements concerning our potential exposure to market risks, macroeconomic conditions including tariffs, expected plant uptime, market conditions, anticipated customer demand, expected impacts of operational improvements and foreign exchange, expectations regarding capital expenditures, working capital and free cash flow, our outlook for 2025, and other statements expressing management’s expectations, beliefs, estimates, forecasts, projections and assumptions and statements that are not limited to statements of historical or present facts or conditions. Forward-looking statements are typically identified by words such as “anticipate,” “assume,” “assure,” “believe,” “confident,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “objectives,” “outlook,” “guidance,” “probably,” “project,” “will,” “seek,” “target,” “to be,” and other words of similar meaning.

All these forward-looking statements are based on estimates and assumptions that, although believed to be reasonable, are inherently uncertain. Therefore, undue reliance should not be placed upon any forward-looking statements. There are important factors that could cause actual results to differ materially from those contemplated by such forward-looking statements. These factors include, among others: negative or uncertain worldwide economic conditions and developments; the operational risks

• 6 - inherent in chemicals manufacturing, including but not limited to disruptions due to technical difficulties, severe weather conditions or natural disasters; unanticipated impacts of our plans and strategies, including our plans to discontinue production at certain facilities; our dependence on major customers and suppliers; further changes and uncertainty in the geopolitical environment or government policy, including related to tariffs, counter-tariffs and other trade barriers, and the risk that the impacts thereof differ from our expectations; our ability to compete in the industries and markets in which we operate; our ability to successfully develop new products and technologies; our ability to effectively implement our business strategies; the volatility of costs, quality and availability of raw materials and energy; our ability to realize benefits from investments, joint ventures, acquisitions or alliances; our ability to realize benefits from planned plant capacity expansions and planned and current site development projects; any information technology systems failures, network disruptions and breaches of data security; our exposure to political or country risks inherent in doing business globally; rapidly changing geopolitical environment, conflicts, growing tension between U.S. and other countries, and/or any other escalations may impact energy costs, raw material availability or other economic disruptions; our ability to comply with complex environmental, health and safety laws and regulations, and current and any possible future investigations and enforcement actions by governmental, supranational agencies or other organizations; environmental, social and governance matters, including regulations requiring a reduction of greenhouse gas emissions or that impose additional taxes or fees on emissions as well as increased awareness and adverse publicity about potential impacts on climate change by us; developments in regulation of carbon black as a nano-scale material; our operations as a company in the chemical sector, including the related risks of leaks, fires and toxic releases as well as other accidents; any changes in European Union regulations or similar international regulations on chemical carbon that will affect our ability to market and sell our products; any market or regulatory changes that may affect our ability to sell or otherwise benefit from co-generated energy; any litigation or legal proceedings, including product liability, environmental or asbestos related claims; our ability to protect our intellectual property rights and know-how; risks associated with our financial leverage; restrictive effects of the covenants in our debt instruments; any deterioration in our financial position or downgrade of our ratings by credit rating agencies; any fluctuations in foreign currency exchange or interest rates; the availability and efficiency of hedging; any potential impairments or write-offs of certain assets; any required increases in our pension fund or retirement-related contributions; the adequacy of our insurance coverage; any challenges to our decisions and assumptions in assessing and complying with our tax obligations; any changes in our jurisdictional earnings mix or in the tax laws or accepted interpretations of tax laws in those jurisdictions; the ability to pay dividends on our common stock at historical rates or at all; the difference between our stockholders’ rights and rights of stockholders of a U.S. corporation; the potential difficulty in obtaining or enforcing judgments or bringing legal actions against Orion S.A. (a Luxembourg incorporated entity) in the U.S. or elsewhere outside Luxembourg; the difference between Luxembourg & European insolvency and bankruptcy laws from U.S. insolvency laws; our relationships with our workforce, including negotiations with labor unions, strikes and work stoppages; our ability to recruit or retain key management and personnel; any disruptive changes in international and local economic conditions, dislocations in credit and capital markets and inflation or deflation; and our ability to generate the funds required to service our debt and finance our operations.

Factors that could cause our actual results to differ materially from those expressed or implied in such forward-looking statements include those factors detailed under the captions “Cautionary Statement for Purposes of the “Safe Harbor” Provisions of the Private Securities Litigation Reform Act of 1995” and “Risk Factors” in our Annual Report in Form 10-K for the year ended December 31, 2024 and in Note Q. Commitments and Contingencies to our audited Consolidated Financial Statements and in Note J. Commitments and Contingencies to our unaudited Consolidated Financial Statements Form 10-Q for the period ended September 30, 2025. It is not possible for our management to predict all risk factors and uncertainties, nor can we assess the impact of all factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements. We undertake no obligation to publicly update or revise any forward-looking statement as a result of new information, future events or other information, other than as required by applicable law.