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EU Launches Antitrust Probe Into Key Paper-Making Material

 |  October 25, 2026
EU, bank regulation

The European Union has opened a formal antitrust investigation into Swiss industrial minerals supplier Omya, examining whether the company used its market position to limit competition in the supply of calcium carbonate, a critical ingredient in paper and cardboard manufacturing.

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    The European Commission is investigating whether Omya required paper producers to purchase all or most of their calcium carbonate needs from the company, potentially preventing competing suppliers from gaining access to customers across Europe, according to Reuters reporting published Friday.

    Omya, which is headquartered in Switzerland, is the largest supplier of calcium carbonate in the European Economic Area, according to the Commission. Regulators are examining whether the company’s commercial arrangements amounted to an abuse of a potentially dominant market position.

    The investigation focuses on purchasing obligations and financial incentives that may have encouraged customers to obtain nearly all their calcium carbonate from Omya. European regulators are concerned that such arrangements could have made it more difficult for rival suppliers to compete, potentially limiting purchasing options for paper manufacturers.

    Calcium carbonate plays a significant role in the economics of paper production. Used as a filler and coating material, it helps manufacturers manage costs while improving the brightness, opacity, surface texture and printing performance of paper and cardboard products, the Commission said.

    The investigation therefore extends beyond a dispute between industrial suppliers, raising questions about competition and input costs throughout Europe’s paper manufacturing supply chain.

    Maintaining access to competitively priced calcium carbonate is important for paper mills and could ultimately influence costs for businesses and consumers purchasing paper and cardboard products, according to the Commission’s assessment reported by Reuters.

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    The scrutiny also comes as paper-based packaging takes on a larger role as an alternative to disposable plastic materials. In its Oct. 23 announcement, the Commission identified the growing importance of packaging as a reason to safeguard competition among suppliers serving the industry.

    Omya said it was cooperating with the European Commission’s investigation, Reuters reported. The company’s cooperation comes as regulators seek to determine whether its purchasing arrangements breached European competition law.

    Under EU rules, companies holding dominant market positions are prohibited from engaging in conduct that improperly restricts competition. The Commission is assessing Omya’s practices under Article 102 of the Treaty on the Functioning of the European Union and corresponding competition provisions governing the European Economic Area.

    The Commission said it would prioritize its examination of the company’s conduct. There is no fixed legal deadline for completing the investigation, and the duration will depend on factors including the complexity of the case and the company’s cooperation with regulators.

    The opening of formal proceedings does not establish wrongdoing, and regulators have not reached a conclusion on whether Omya violated competition law.

    For Europe’s paper manufacturers, the investigation places renewed attention on the commercial terms governing access to essential production materials and the potential consequences when supply is concentrated among major providers.

    The outcome could help determine whether Omya’s purchasing arrangements are compatible with European competition rules, although any enforcement action would depend on the Commission’s findings.

    Source: Reuters