Clariant rejects allegations from MOL Group and Braskem against four companies related to the 2020 competition law infringement

AD HOC ANNOUNCEMENT PURSUANT TO ART. 53 LR

MUTTENZ, 22 DECEMBER, 2025 – Clariant, a sustainability-focused specialty chemical company, today announced that the company received two claims for damages against four companies, including Clariant, from MOL Petrolkémia Zrt. and Slovnaft a.s. (MOL Group), Hungary, and Braskem S.A., Brazil, with the court of Munich, Germany. The claims allege damages totaling to around EUR 548 million and EUR 402 million respectively, in relation to infringement of competition law on the ethylene purchasing market which was sanctioned by the European Commission in July 2020. Clariant firmly rejects the allegations and will adamantly defend its position in the proceedings. Clariant has substantiated economic evidence that the conduct of the parties did not produce any effect on the market.