Transaction in Own Shares

Summary by AI ^BETAClose X

Elementis plc has executed its share buyback program by purchasing a total of 630,322 ordinary shares between June 22 and June 26, 2026, at weighted average prices ranging from 153.6837 GBp to 158.7457 GBp. Following these purchases and subsequent cancellation, the company's total issued ordinary shares will be 571,188,379, with 570,975,962 total voting rights, a figure shareholders can use for disclosure calculations.

Disclaimer*

Elementis PLC

29 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 22 June to 26 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)
22/06/26	London Stock Exchange	155.6035	73,870	154.6000	156.6000
	Turquoise	155.6181	4,290	154.8000	156.0000
	Chi-X (CXE)	155.6166	8,376	154.8000	156.0000
	BATS (BXE)	155.5437	13,024	154.8000	156.2000
23/06/26	London Stock Exchange	153.9158	73,997	152.6000	154.6000
	Turquoise	153.8545	3,971	153.2000	154.4000
	Chi-X (CXE)	153.7680	9,075	152.4000	154.6000
	BATS (BXE)	153.6837	16,104	152.4000	154.6000
24/06/26	London Stock Exchange	154.7311	66,557	153.4000	156.2000
	Turquoise	154.7400	4,280	154.0000	155.4000
	Chi-X (CXE)	154.6848	12,607	153.4000	155.4000
	BATS (BXE)	154.5383	18,056	153.8000	155.6000
25/06/26	London Stock Exchange	158.6734	78,228	157.4000	160.0000
	Turquoise	158.7457	9,387	157.4000	159.2000
	Chi-X (CXE)	158.4210	5,456	157.4000	159.2000
	BATS (BXE)	158.4963	14,343	157.4000	159.2000
26/06/26	London Stock Exchange	155.8279	57,794	155.0000	157.6000
	Turquoise	155.6727	4,279	155.0000	156.8000
	Chi-X (CXE)	155.8454	8,844	155.0000	157.6000
	BATS (BXE)	155.7822	20,347	154.8000	157.6000

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 571,188,379. The Company holds 212,417 ordinary shares in treasury and therefore the total number of voting rights in the Company will be 570,975,962. 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/2518K_1-2026-6-29.pdf

For further details:

Elementis plc

Hannah Constantine

Chief Legal and People Officer

+44 20 8148 5966

Zeeshan Maqbool

Head of Investor Relations

+44 7553 340 380

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