Transaction in Own Shares

Summary by AI ^BETAClose X

Elementis plc has executed its share buyback program by purchasing a total of 501,916 ordinary shares between June 8th and June 12th, 2026, with weighted average prices ranging from 147.63 GBp to 156.05 GBp. Following these purchases and the cancellation of shares, the company's total issued ordinary shares will be 571,801,162, with 571,778,245 total voting rights.

Disclaimer*

Elementis PLC

15 June 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 from 8 June to 12 June 2026.

Date	Venue	Weighted average price paid per share (GBp)	Aggregate number of shares purchased	Lowest price paid per share (GBp)	Highest price paid per share (GBp)
08/06/26	London Stock Exchange	147.6886	67,733	146.6000	148.4000
	Turquoise	147.7351	4,411	147.0000	148.4000
	Chi-X (CXE)	147.6838	9,040	146.8000	148.2000
	BATS (BXE)	147.6236	8,822	146.8000	148.4000
09/06/26	London Stock Exchange	150.0617	85,000	148.4000	151.4000
	Turquoise	149.8849	5,000	149.0000	151.0000
	Chi-X (CXE)	149.8064	10,450	149.0000	151.0000
	BATS (BXE)	149.8144	19,946	148.8000	151.2000
10/06/26	London Stock Exchange	152.1897	87,666	150.2000	154.0000
	Turquoise	151.6000	3,150	150.8000	152.4000
	Chi-X (CXE)	151.3866	5,655	150.4000	152.2000
	BATS (BXE)	151.4000	8,901	150.4000	152.4000
11/06/26	London Stock Exchange	153.3758	94,234	152.4000	154.4000
	Turquoise	153.0500	3,272	152.2000	153.8000
	Chi-X (CXE)	153.4259	7,038	152.4000	154.2000
	BATS (BXE)	153.4179	10,790	152.0000	154.4000
12/06/26	London Stock Exchange	155.2098	98,317	154.0000	156.6000
	Turquoise	155.9600	1,885	155.4000	156.4000
	Chi-X (CXE)	156.0000	3,993	155.4000	156.4000
	BATS (BXE)	156.0490	5,805	155.4000	156.4000

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 571,801,162. The Company holds 22,917 ordinary shares in treasury and therefore the total number of voting rights in the Company will be 571,778,245. 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/3459I_1-2026-6-15.pdf

For further details:

Elementis plc

Hannah Constantine, Chief Legal and People Officer

Tel: +44 20 8148 5966

Zeeshan Maqbool, Head of Investor Relations

Tel: +44 7553 340 380

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