Elementis PLC

Transaction in Own Shares • Nov 11, 2025

National Storage Mechanism | Additional information

RNS Number : 1381H

Elementis PLC

11 November 2025

11 November 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 Numis Securities Limited ("Deutsche Numis") for cancellation at an average price of 161.3178 pence per share:

Date of purchase:	11 November 2025
Aggregate number of ordinary shares purchased:	140,000
Lowest price paid per share (GBp):	160.20
Highest price paid per share (GBp):	162.80
Volume weighted average price paid per share (GBp):	161.3178

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 572,356,288. The Company holds 143,556 ordinary shares in treasury and therefore the total number of voting rights in the Company will be 572,356,288. 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	161.2983	100,000
Chi-X Europe	161.2960	10,000
BATS Trading Europe	161.3900	30,000

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
1208	161.20	08:14:16	00077879118TRLO0	XLON
1267	161.20	08:14:16	00077879119TRLO0	XLON
292	161.40	08:14:16	00077879120TRLO0	XLON
2482	161.20	08:28:57	00077879882TRLO0	XLON
15000	161.40	08:31:14	00077880050TRLO0	XLON
2550	161.20	08:31:24	00077880065TRLO0	XLON
2463	161.00	08:31:36	00077880077TRLO0	XLON
627	161.20	08:37:45	00077880674TRLO0	XLON
1468	161.20	08:37:45	00077880673TRLO0	XLON
2381	161.20	08:37:45	00077880672TRLO0	XLON
158	161.00	08:37:45	00077880675TRLO0	BATE
16	161.00	08:45:18	00077881282TRLO0	BATE
2130	161.20	08:57:32	00077881881TRLO0	XLON
126	161.20	08:57:32	00077881880TRLO0	XLON
2202	161.00	08:58:36	00077881918TRLO0	XLON
437	161.00	08:58:42	00077881933TRLO0	BATE
1868	161.00	08:58:42	00077881932TRLO0	BATE
2145	160.80	08:59:33	00077881976TRLO0	CHIX
2538	160.60	09:24:09	00077883132TRLO0	BATE
86	160.80	09:24:09	00077883133TRLO0	BATE
236	160.60	09:40:45	00077883813TRLO0	XLON
1299	160.60	09:42:57	00077883892TRLO0	XLON
2387	160.60	09:42:57	00077883891TRLO0	XLON
879	160.60	09:42:57	00077883890TRLO0	XLON
2113	160.60	09:55:53	00077884804TRLO0	XLON
2501	160.40	10:07:58	00077885570TRLO0	BATE
2225	160.40	10:07:58	00077885571TRLO0	XLON
732	160.20	10:45:37	00077886773TRLO0	BATE
2239	160.20	10:45:37	00077886776TRLO0	XLON
235	160.20	10:45:37	00077886775TRLO0	XLON
1777	160.20	10:45:37	00077886774TRLO0	BATE
2528	160.40	11:35:07	00077888500TRLO0	XLON
647	160.60	12:17:14	00077889702TRLO0	XLON
600	160.60	12:17:14	00077889701TRLO0	XLON
534	160.60	12:17:14	00077889700TRLO0	XLON
2039	160.40	12:17:25	00077889712TRLO0	CHIX
412	160.40	12:17:25	00077889709TRLO0	CHIX
2189	160.40	12:17:25	00077889710TRLO0	BATE
241	160.40	12:17:25	00077889713TRLO0	XLON
1833	160.40	12:17:25	00077889711TRLO0	XLON
4493	160.60	12:41:23	00077890961TRLO0	XLON
2294	161.00	12:48:33	00077891308TRLO0	XLON
154	161.00	12:49:02	00077891319TRLO0	BATE
2263	161.00	12:59:31	00077891893TRLO0	XLON
516	161.00	12:59:38	00077891902TRLO0	XLON
796	161.00	12:59:38	00077891901TRLO0	XLON
1238	161.00	12:59:38	00077891900TRLO0	XLON
2243	160.80	12:59:55	00077891913TRLO0	XLON
747	160.80	13:00:08	00077891937TRLO0	XLON
106	161.00	13:13:56	00077892479TRLO0	BATE
450	161.40	13:39:02	00077893257TRLO0	BATE
1452	161.40	13:48:02	00077893586TRLO0	BATE
735	161.40	13:48:02	00077893584TRLO0	BATE
2322	161.40	13:53:02	00077893791TRLO0	XLON
2514	161.40	14:10:30	00077894728TRLO0	XLON
271	161.60	14:12:00	00077894811TRLO0	XLON
1072	161.60	14:12:00	00077894813TRLO0	XLON
1085	161.60	14:12:00	00077894816TRLO0	XLON
2474	161.80	14:15:42	00077895106TRLO0	BATE
69	161.80	14:17:48	00077895157TRLO0	CHIX
135	161.80	14:17:48	00077895164TRLO0	CHIX
134	161.80	14:17:48	00077895163TRLO0	CHIX
155	161.80	14:17:48	00077895162TRLO0	CHIX
141	161.80	14:17:48	00077895161TRLO0	CHIX
139	161.80	14:19:48	00077895276TRLO0	XLON
167	161.80	14:19:48	00077895275TRLO0	XLON
389	161.80	14:19:48	00077895273TRLO0	XLON
752	161.80	14:19:48	00077895271TRLO0	XLON
176	161.80	14:19:48	00077895282TRLO0	XLON
229	161.80	14:19:48	00077895281TRLO0	XLON
405	161.80	14:19:48	00077895280TRLO0	XLON
113	161.80	14:19:52	00077895297TRLO0	CHIX
113	161.80	14:20:12	00077895317TRLO0	BATE
136	161.80	14:27:38	00077895714TRLO0	CHIX
135	161.80	14:27:38	00077895712TRLO0	CHIX
157	161.80	14:27:38	00077895711TRLO0	CHIX
138	161.80	14:27:38	00077895710TRLO0	CHIX
154	161.80	14:27:38	00077895721TRLO0	XLON
185	161.80	14:27:38	00077895720TRLO0	XLON
432	161.80	14:27:38	00077895719TRLO0	XLON
864	161.80	14:27:38	00077895718TRLO0	XLON
2398	161.60	14:31:17	00077895971TRLO0	CHIX
2639	161.60	14:31:17	00077895970TRLO0	BATE
2283	161.60	14:31:17	00077895969TRLO0	XLON
2144	161.40	14:39:37	00077896304TRLO0	BATE
2040	161.20	14:42:19	00077896520TRLO0	XLON
126	161.40	14:58:47	00077897663TRLO0	BATE
96	161.40	14:58:47	00077897664TRLO0	BATE
50	161.40	14:58:50	00077897667TRLO0	BATE
1093	161.20	14:59:55	00077897762TRLO0	XLON
200	162.00	15:13:49	00077898979TRLO0	XLON
546	162.00	15:14:00	00077898988TRLO0	XLON
750	162.00	15:14:00	00077898993TRLO0	XLON
48	162.00	15:14:00	00077898992TRLO0	XLON
57	162.00	15:14:00	00077898991TRLO0	XLON
134	162.00	15:14:00	00077898990TRLO0	XLON
259	162.00	15:14:00	00077898989TRLO0	XLON
1491	162.80	15:26:36	00077900165TRLO0	BATE
875	162.80	15:26:36	00077900164TRLO0	BATE
2401	162.80	15:26:36	00077900166TRLO0	XLON
2120	162.80	15:33:42	00077900771TRLO0	XLON
2274	162.80	15:33:42	00077900770TRLO0	BATE
1693	162.40	15:42:51	00077901237TRLO0	CHIX
2219	162.40	15:42:51	00077901238TRLO0	XLON
885	162.40	15:49:18	00077901588TRLO0	XLON
1165	162.40	15:49:18	00077901586TRLO0	XLON
2519	162.40	15:59:26	00077902210TRLO0	BATE
2042	162.40	15:59:26	00077902211TRLO0	XLON
2243	162.40	16:09:19	00077902892TRLO0	XLON
675	162.40	16:16:39	00077903258TRLO0	XLON
902	162.40	16:16:55	00077903264TRLO0	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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