Elementis PLC

Transaction in Own Shares • Nov 17, 2025

National Storage Mechanism | Additional information

RNS Number : 8793H

Elementis PLC

17 November 2025

17 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 157.1228 pence per share:

Date of purchase:	17 November 2025
Aggregate number of ordinary shares purchased:	140,000
Lowest price paid per share (GBp):	155.80
Highest price paid per share (GBp):	158.40
Volume weighted average price paid per share (GBp):	157.1228

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 571,806,515. The Company holds 133,329 ordinary shares in treasury and therefore the total number of voting rights in the Company will be 571,806,515. 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	100,000	157.1027
Chi-X Europe	10,000	157.0647
BATS Trading Europe	30,000	157.2090

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
500	158.40	08:51:21	00077978662TRLO0	CHIX
2382	157.60	08:54:34	00077978758TRLO0	BATE
2930	157.60	08:54:34	00077978759TRLO0	XLON
2648	157.00	08:59:51	00077979067TRLO0	XLON
48	156.60	10:14:25	00077982218TRLO0	XLON
2423	156.60	10:49:08	00077983960TRLO0	CHIX
2131	156.60	10:49:08	00077983963TRLO0	BATE
2219	156.60	10:49:08	00077983961TRLO0	BATE
2760	156.60	10:49:08	00077983964TRLO0	XLON
102	156.60	10:49:08	00077983962TRLO0	XLON
240	156.40	10:50:55	00077983998TRLO0	XLON
241	156.40	10:50:55	00077983997TRLO0	XLON
2924	156.80	11:06:02	00077984477TRLO0	XLON
1510	156.80	11:10:18	00077984536TRLO0	XLON
1402	156.80	11:10:18	00077984535TRLO0	XLON
675	157.00	11:26:42	00077984919TRLO0	XLON
555	157.00	11:26:43	00077984920TRLO0	XLON
2592	157.00	11:26:43	00077984921TRLO0	XLON
2933	157.00	11:29:42	00077984986TRLO0	XLON
2532	157.20	11:29:42	00077984985TRLO0	XLON
2453	157.60	11:31:36	00077985031TRLO0	XLON
2719	157.40	11:33:38	00077985063TRLO0	XLON
2459	157.20	11:39:43	00077985192TRLO0	BATE
2934	157.20	11:39:43	00077985193TRLO0	XLON
1423	158.00	12:04:55	00077985785TRLO0	XLON
1432	158.00	12:04:55	00077985784TRLO0	XLON
2695	158.40	12:54:38	00077987306TRLO0	XLON
2417	158.20	12:54:39	00077987313TRLO0	CHIX
2411	158.20	12:54:39	00077987312TRLO0	BATE
568	158.20	12:54:39	00077987314TRLO0	BATE
2631	158.20	12:54:39	00077987315TRLO0	XLON
2680	158.20	13:08:28	00077987793TRLO0	XLON
1	158.20	13:25:28	00077988652TRLO0	BATE
2338	158.00	13:33:36	00077988881TRLO0	BATE
2547	158.00	13:33:36	00077988882TRLO0	XLON
2542	158.00	14:07:02	00077989897TRLO0	BATE
339	158.00	14:07:02	00077989899TRLO0	XLON
2353	158.00	14:07:02	00077989898TRLO0	XLON
2758	158.00	14:07:02	00077989896TRLO0	XLON
2339	157.80	14:07:02	00077989900TRLO0	BATE
2442	157.80	14:07:02	00077989901TRLO0	XLON
1479	157.20	14:10:57	00077990020TRLO0	XLON
1100	157.20	14:10:57	00077990019TRLO0	XLON
2180	157.00	14:27:09	00077990644TRLO0	CHIX
2468	157.00	14:27:09	00077990645TRLO0	XLON
617	156.80	14:27:09	00077990647TRLO0	XLON
1798	156.80	14:27:09	00077990646TRLO0	XLON
2472	156.60	14:32:00	00077990904TRLO0	BATE
2453	156.60	14:32:00	00077990905TRLO0	XLON
146	157.40	14:48:32	00077992092TRLO0	XLON
2202	157.40	14:48:32	00077992091TRLO0	XLON
399	157.40	14:48:32	00077992093TRLO0	XLON
2456	157.60	15:01:41	00077992920TRLO0	XLON
2440	157.40	15:02:47	00077993016TRLO0	XLON
957	157.40	15:02:47	00077993017TRLO0	XLON
999	157.40	15:02:47	00077993022TRLO0	BATE
1639	157.40	15:02:47	00077993021TRLO0	BATE
1930	157.40	15:02:47	00077993023TRLO0	XLON
2852	157.00	15:07:15	00077993281TRLO0	XLON
2234	156.40	15:21:04	00077994161TRLO0	XLON
309	156.40	15:21:04	00077994160TRLO0	XLON
578	156.40	15:24:34	00077994354TRLO0	XLON
2130	156.40	15:27:50	00077994472TRLO0	BATE
171	156.40	15:27:50	00077994475TRLO0	XLON
1999	156.40	15:27:50	00077994474TRLO0	XLON
48	156.40	15:27:50	00077994473TRLO0	XLON
102	156.20	15:31:17	00077994673TRLO0	XLON
333	156.20	15:33:00	00077994758TRLO0	CHIX
2147	156.20	15:33:00	00077994757TRLO0	CHIX
2430	156.20	15:33:00	00077994759TRLO0	XLON
2610	156.20	15:40:01	00077995377TRLO0	XLON
2250	156.20	15:57:29	00077996448TRLO0	BATE
2704	156.20	15:57:29	00077996450TRLO0	XLON
2818	156.20	15:57:29	00077996449TRLO0	XLON
538	155.80	16:05:26	00077996924TRLO0	BATE
24	156.00	16:07:24	00077997069TRLO0	XLON
2850	156.00	16:07:24	00077997068TRLO0	XLON
94	156.00	16:12:55	00077997438TRLO0	XLON
2800	156.00	16:12:55	00077997437TRLO0	XLON
582	156.00	16:14:50	00077997661TRLO0	BATE
1407	155.80	16:17:25	00077997873TRLO0	XLON
27	155.80	16:17:25	00077997872TRLO0	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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