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21 January 2026 Elementis plc Trading Update Resilient performance in challenging marketsTrading marginally ahead of full year expectations  Elementis plc ("Elementis" or the "Group"), a global specialty chemicals company, today issues its scheduled trading update for thethree months and year ended 31 December 2025. Elementis will publish its results for the financial year to 31 December 2025 on 5 March 2026. Business performance The Group has delivered a resilient performance with Revenues1 expected to be in line with market consensus2, despite theongoing challenging market conditions. Full year Group Adjusted operating profit1 is expected to be marginally ahead of market consensus2, with Adjusted operating margins1 ahead of last year. The improved margin performance has been driven by the benefits of our Elevate Elementis strategyand the positive changes being implemented across the Group, as we look to build on our strong foundations. These include: thesimplification of our operational structure to enhance efficiency and agility, the bolt-on acquisition of UK based Alchemy Ingredients Limited ("Alchemy") in November 2025, as well as the ongoing delivery of our previously announced cost savingstargets. Balance sheet strength The Group continues to generate positive free cash flow that gives us balance sheet strength and future capital allocationoptionality. Net debt pre IFRS 16 basis at the end of the financial year 2025 is expected to be c.$185m. This reflects several one-off cashpayments during the year including: the successful completion of the Group's first share buyback programme for a total consideration of £40m (c.$54m), the previously announced disposal of the disused manufacturing site and associatedenvironmental liabilities at Eaglescliffe, UK, for $11m, and the acquisition of Alchemy for $22m. Chair succession Further to the announcement on 29 October 2025, the Chair succession process continues to progress and an update will beprovided in due course. Enquiries Investors:         Zeeshan Maqbool, Elementis plc                         Tel: +44 (0) 7553 340380 Press:               Martin Robinson/Giles Kernick, Teneo                Tel: +44 (0) 20 7353 4200  Notes: 1.   Continuing operations basis. 2.   Based on company compiled consensus dated 20 January 2026, the mean revenue and adjusted operating profit for the year ended 31 December 2025 are $600m and $125m respectively. About Elementis Elementis is a global specialty chemicals company listed on the London Stock Exchange. The Group employs c.1,000 across 20 global locations. As recognised innovation leaders with deep expertise in rheology (the science of flow), and formulation solutions, we develop distinctive solutions and products to improve performance, achieve smoother production, and enhance sustainability credentials for customers across a range of industries. The Group also owns and operates one of the largest known commercial high-grade hectorite mines in the world. Hectorite is a special, high-purity clay mineral rich in magnesium and lithium, known for its ability to control viscosity, stabilise formulations, and deliver smooth, consistent textures that make it ideal for clean-label, high-performance formulations. Elementis is composed of two focused, high-margin businesses: Personal Care and Coatings. The Personal Care business manufactures natural and synthetic rheology modifiers to deliver premium product performance for personal care applications in skin care and cosmetics, as well as active ingredients for antiperspirants. Within Coatings, Elementis develops and manufactures rheology modifiers and premium performance additives for decorative and industrial paints and coatings. The Coatings business also includes our Energy and Adhesives, Sealants and Construction additives businesses.