Transaction in Own Shares

Elementis PLC

05 October 2026


05 October 2026
Elementis plc ("Elementis" or the "Company")
Transaction in Own Shares
Elementis announces that, in accordance with the terms of its share buyback programme announced on 3 June 2026 (the "Share Buyback Programme"), the Company purchased the following number of its own ordinary shares of 5p each (the "Ordinary Shares") through Rothschild & Co Global Markets Solutions Limited ("Rothschild & Co") in the period 28 September to 02 October 2026
Date	Venue		Weighted average price paid per share (GBp)	Aggregate number of shares		Lowest price paid per share (GBp)	Highest price paid per share (GBp)
28/09/26	London Stock Exchange		177.5036	54,240		176.2000	178.4000
	Turquoise Exchange		177.4000	3,832		177.0000	178.2000
	Chi-X Europe		177.3846	5,681		176.2000	178.0000
	Bats Trading Europe		177.2952	9,219		176.0000	178.0000
29/09/26	London Stock Exchange		175.3611	58,139		174.0000	177.2000
	Turquoise Exchange		175.2923	2,819		174.0000	176.0000
	Chi-X Europe		175.5865	4,887		174.2000	177.2000
	Bats Trading Europe		175.4645	9,155		173.8000	176.8000
30/09/26	London Stock Exchange		178.6380	26,096		175.4000	181.0000
	Turquoise Exchange		178.5150	1,688		176.8000	180.2000
	Chi-X Europe		178.6156	2,868		176.6000	180.4000
	Bats Trading Europe		178.0411	3,712		175.4000	179.6000
01/10/26	London Stock Exchange		176.7329	80,318		174.6000	179.4000
	Turquoise Exchange		178.3499	1,354		177.4000	178.8000
	Chi-X Europe		178.8000	465		178.8000	178.8000
	Bats Trading Europe		178.5634	2,863		177.6000	179.0000
02/10/26	London Stock Exchange		177.0713	61,912		175.8000	178.6000
	Turquoise Exchange		177.4500	1,864		176.4000	178.4000
	Chi-X Europe		177.2121	3,144		175.4000	178.2000
	Bats Trading Europe		177.3136	8,080		176.4000	178.6000


Following settlement of the above purchases and cancellation of the purchased ordinary shares, the Company's total number of ordinary shares in issue shall be 568,160,749. The Company holds 3,026,535 ordinary shares in treasury and therefore the total voting rights in the Company will be 565,134,214. This figure for the total number of voting rights may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the FCA's Disclosure Guidance and Transparency Rules. In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 (as incorporated into UK domestic law by the European Union (Withdrawal) Act 2018), a schedule of individual trades made by Rothschild & Co is available using the following: http://www.rns-pdf.londonstockexchange.com/rns/6689X_1-2026-10-5.pdf

For further details:
Elementis plc
Contact		Contact			Telephone
Hannah Constantine		Chief Legal and People Officer			+44 20 8148 5966

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