Admission to Trading

Elementis plc (the "Company") - Admission to Trading

A block application has been made for 2,000,000 ordinary shares of 5p each for admission to trading on the Main Market of the London Stock Exchange. This is in addition to the existing block admission to trading dated 20 March 2025.

The shares will be issued fully paid and will rank pari passu in all respects with the existing issued ordinary shares of the Company and issued under the Company's Long Term Incentive Plan 2018 (LTIP).

These shares will be allotted from time to time as and when the LTIP rules require and allow.

Hannah Constantine
Group General Counsel & Company Secretary

LEI: 549300LQIH685LI2ML36