Elementis: Transaction in Own Shares

26 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 19 October to 23 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)

19/10/26

London Stock Exchange

184.2774

34,276

182.8000

185.8000

Turquoise Exchange

184.3454

4,400

183.0000

185.6000

Chi-X Europe

184.2269

14,756

182.8000

185.8000

Bats Trading Europe

184.2722

14,436

183.0000

185.8000

20/10/26

London Stock Exchange

181.3243

34,336

180.2000

183.2000

Turquoise Exchange

180.6000

1,290

180.4000

180.8000

Chi-X Europe

181.3715

14,520

180.4000

183.4000

Bats Trading Europe

181.2802

19,199

180.2000

183.4000

21/10/26

London Stock Exchange

182.9128

35,000

181.2000

184.6000

Turquoise Exchange

182.4666

1,437

181.6000

184.0000

Chi-X Europe

182.9578

20,000

181.2000

184.6000

Bats Trading Europe

183.0476

17,587

181.0000

184.4000

22/10/26

London Stock Exchange

181.5681

31,713

178.8000

182.2000

Turquoise Exchange

181.5333

1,365

181.2000

182.0000

Chi-X Europe

181.6155

13,761

179.6000

182.2000

Bats Trading Europe

181.7129

13,992

179.6000

182.4000

23/10/26

London Stock Exchange

181.2896

34,425

179.8000

182.2000

Turquoise Exchange

181.5111

4,203

180.8000

182.0000

Chi-X Europe

181.3047

17,472

180.0000

182.4000

Bats Trading Europe

181.3283

14,013

180.0000

182.0000

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 567,124,296. The Company holds 3,026,535 ordinary shares in treasury and therefore the total voting rights in the Company will be 564,097,761.  This figure for the total number of Ordinary Shares carrying voting rights in the Company 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/4938A_1-2026-10-26.pdf

For further details:

Elementis plc

Contact

Contact

Telephone

Hannah Constantine

Chief Legal and People Officer

+44 20 8148 5966