Elementis PLC

Transaction in Own Shares • Dec 15, 2025

National Storage Mechanism | Additional information

RNS Number : 4678L

Elementis PLC

12 December 2025

12 December 2025

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 28 May 2025 (the "Share Buyback Programme"), the Company purchased the following number of its own ordinary shares of 5p each through Deutsche Bank AG, London Branch (trading for these purposes as Deutsche Numis) ("Deutsche Numis") for cancellation at an average price of 167.9346 pence per share:

Date of purchase:	12 December 2025
Aggregate number of ordinary shares purchased:	136,378
Lowest price paid per share (GBp):	166.60
Highest price paid per share (GBp):	169.00
Volume weighted average price paid per share (GBp):	167.9346

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 569,252,220. The Company holds 131,433 ordinary shares in treasury and therefore the total number of voting rights in the Company will be 569,252,220. 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.

Aggregate information:

Venue	Weighted average price paid per share (GBp)	Aggregate number of shares purchased
London Stock Exchange	167.9097	106,378
Chi-X Europe	168.0247	10,000
BATS Trading Europe	168.0224	20,000

Transaction Details:

In accordance with Article 5(1)(b) of the Market Abuse Regulation (EU) No. 596/2014 as it forms part of UK law, the table below contains detailed information of the individual trades made by Deutsche Numis on behalf of the Company as part of the Share Buyback Programme:

Number of shares purchased	Transaction price (pence per share)	Time of transaction (UK time)	Transaction reference number	Trading venue
26	167.20	08:17:50	00078365290TRLO0	XLON
590	167.00	08:28:12	00078365578TRLO0	XLON
1515	167.00	08:28:12	00078365577TRLO0	XLON
291	167.00	08:28:12	00078365579TRLO0	XLON
23	167.00	08:28:16	00078365591TRLO0	XLON
2165	166.80	08:28:16	00078365592TRLO0	XLON
2652	166.80	08:33:53	00078365744TRLO0	XLON
2388	167.20	08:45:48	00078366220TRLO0	XLON
2412	167.20	08:55:51	00078366502TRLO0	XLON
186	167.60	09:00:20	00078366592TRLO0	XLON
2204	167.60	09:04:07	00078366701TRLO0	XLON
2385	167.60	09:04:07	00078366700TRLO0	XLON
2414	167.60	09:04:07	00078366699TRLO0	XLON
1739	167.80	09:22:38	00078367114TRLO0	XLON
2191	167.80	09:22:38	00078367113TRLO0	XLON
696	167.80	09:22:38	00078367112TRLO0	XLON
918	167.40	09:23:05	00078367126TRLO0	XLON
1284	167.40	09:25:40	00078367155TRLO0	XLON
11	167.80	09:56:29	00078367990TRLO0	XLON
45	167.80	09:56:29	00078367991TRLO0	XLON
2240	168.00	10:17:51	00078368620TRLO0	CHIX
2367	168.00	10:17:51	00078368621TRLO0	XLON
2522	167.60	10:31:04	00078368913TRLO0	XLON
1692	167.40	10:31:05	00078368920TRLO0	BATE
924	167.40	10:31:05	00078368919TRLO0	BATE
2319	168.00	11:08:44	00078369775TRLO0	XLON
2141	168.00	11:08:44	00078369774TRLO0	XLON
13	167.80	11:22:01	00078370134TRLO0	XLON
2370	167.80	11:28:39	00078370263TRLO0	CHIX
2273	167.80	11:28:39	00078370264TRLO0	BATE
831	167.80	11:28:39	00078370262TRLO0	BATE
2466	167.80	11:28:39	00078370266TRLO0	XLON
2467	167.80	11:28:39	00078370265TRLO0	XLON
890	167.40	11:28:50	00078370271TRLO0	XLON
906	167.40	11:29:14	00078370286TRLO0	XLON
371	167.40	11:30:07	00078370305TRLO0	XLON
2922	167.40	11:45:34	00078370657TRLO0	BATE
9	167.40	11:45:34	00078370656TRLO0	BATE
1756	167.20	11:48:50	00078370692TRLO0	XLON
887	167.20	11:48:50	00078370691TRLO0	XLON
2304	167.20	11:57:37	00078370799TRLO0	XLON
2357	167.00	12:40:08	00078371612TRLO0	XLON
2383	167.00	12:40:08	00078371611TRLO0	XLON
791	166.60	12:40:17	00078371627TRLO0	XLON
935	166.60	12:40:23	00078371628TRLO0	XLON
884	167.00	13:16:44	00078372159TRLO0	XLON
2135	167.40	13:24:20	00078372298TRLO0	XLON
2226	167.40	13:24:20	00078372297TRLO0	XLON
11	167.40	13:24:20	00078372296TRLO0	XLON
4	167.40	13:24:20	00078372295TRLO0	XLON
905	167.20	13:25:05	00078372313TRLO0	BATE
2420	167.20	13:25:05	00078372315TRLO0	XLON
1297	167.20	13:25:05	00078372314TRLO0	BATE
654	167.20	13:25:08	00078372317TRLO0	BATE
2373	167.20	13:53:44	00078372824TRLO0	XLON
45	167.20	13:53:44	00078372822TRLO0	XLON
2455	167.20	13:53:44	00078372823TRLO0	CHIX
1731	168.00	14:21:48	00078373571TRLO0	XLON
424	168.00	14:21:48	00078373570TRLO0	XLON
2240	168.40	14:32:27	00078373883TRLO0	XLON
829	168.20	14:32:39	00078373886TRLO0	XLON
3137	168.60	14:38:13	00078374113TRLO0	BATE
910	168.40	14:38:48	00078374143TRLO0	XLON
2050	168.40	14:38:48	00078374144TRLO0	XLON
2650	169.00	14:49:19	00078374677TRLO0	XLON
2251	168.60	14:49:27	00078374681TRLO0	XLON
12	168.60	14:49:27	00078374680TRLO0	XLON
1418	168.80	14:50:15	00078374760TRLO0	XLON
1243	168.80	14:50:15	00078374759TRLO0	XLON
848	168.80	14:53:12	00078374853TRLO0	XLON
2570	169.00	15:10:24	00078375820TRLO0	BATE
2200	168.80	15:10:24	00078375825TRLO0	XLON
1301	168.80	15:10:24	00078375824TRLO0	XLON
2369	168.80	15:10:24	00078375823TRLO0	XLON
220	168.80	15:10:24	00078375822TRLO0	CHIX
1031	168.80	15:10:24	00078375821TRLO0	CHIX
626	168.60	15:10:30	00078375828TRLO0	XLON
1684	169.00	15:16:39	00078376130TRLO0	CHIX
2133	169.00	15:16:39	00078376134TRLO0	XLON
11	169.00	15:16:39	00078376133TRLO0	XLON
388	169.00	15:16:39	00078376132TRLO0	XLON
2661	169.00	15:16:39	00078376131TRLO0	XLON
533	169.00	15:26:41	00078376674TRLO0	XLON
1740	168.80	15:28:24	00078376801TRLO0	BATE
1046	168.80	15:28:24	00078376802TRLO0	BATE
2307	168.80	15:28:24	00078376804TRLO0	XLON
2246	168.80	15:28:24	00078376803TRLO0	XLON
2462	168.80	15:45:38	00078377803TRLO0	XLON
2244	168.60	15:45:39	00078377806TRLO0	XLON
125	168.60	15:45:39	00078377805TRLO0	XLON
2665	168.60	15:48:04	00078377931TRLO0	XLON
1015	168.80	15:51:24	00078378081TRLO0	XLON
378	168.20	15:55:46	00078378322TRLO0	XLON

For further details:

Elementis plc

Hannah Constantine, Group General Counsel & Company Secretary         Tel: +44 20 8148 5966

Zeeshan Maqbool, Head of Investor Relations                                             Tel: +44 7553 340 380

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