Transaction in Own Shares

Summary by AI ^BETAClose X

Keller Group plc has purchased 7,413 of its ordinary shares on December 17, 2025, as part of its ongoing share buyback program. The purchases were made through Investec Bank plc at prices ranging from 1,632.00 pence to 1,654.00 pence per share, with a weighted average price of 1,640.9510 pence. Following these transactions, Keller will hold 2,622,712 ordinary shares in treasury, leaving 73,099,735 ordinary shares in issue.

Disclaimer*

Keller Group PLC

18 December 2025

Keller Group plc

Transaction in Own Shares

Keller Group plc ("Keller" or the "Company") announces today it has purchased the following number of its ordinary shares of 10 pence ("Ordinary Shares") each through Investec Bank plc ("Investec") as part of its share buyback programme, details of which were announced by Keller on 29 September 2025.

Date of purchase:	17 December 2025
Aggregate number of common shares purchased:	7,413
Lowest price per share (pence):	1,632.00
Highest price per share (pence):	1,654.00
Weighted average price per day (pence):	1,640.9510

The Company intends to hold the purchased Ordinary Shares in treasury. Following the purchase and settlement of these Ordinary Shares, the Company will hold 2,622,712 of its Ordinary Shares in treasury and will have 73,099,735 Ordinary Shares in issue (including treasury shares).

The table below contains detailed information about the purchases made as part of the buyback programme.

Aggregate information:

Venue	Volume-weighted average price (p)	Aggregated volume	Lowest price per share (p)	Highest price per share (p)
XLON	1,640.9510	7,413	1,632.00	1,654.00

Individual Transactions:

In accordance with Article 5(1)(b) of the Market Abuse Regulation (EU) No 596/2014 as it forms part of UK law, a full breakdown of the individual trades made by Investec on behalf of the Company is detailed below:

Date and time of each trade	Number of shares purchased	Price (pence per share)	Trading Venue	Transaction Reference Number
17 December 2025 08:08:17	99	1,642.00	XLON	00366226259TRLO1
17 December 2025 08:08:39	102	1,638.00	XLON	00366226383TRLO1
17 December 2025 08:27:24	102	1,636.00	XLON	00366234555TRLO1
17 December 2025 08:35:36	172	1,642.00	XLON	00366238730TRLO1
17 December 2025 08:36:35	50	1,642.00	XLON	00366239205TRLO1
17 December 2025 08:48:57	103	1,642.00	XLON	00366245228TRLO1
17 December 2025 08:49:13	99	1,640.00	XLON	00366245452TRLO1
17 December 2025 08:53:15	103	1,638.00	XLON	00366247547TRLO1
17 December 2025 09:03:18	52	1,640.00	XLON	00366254836TRLO1
17 December 2025 09:23:35	2	1,644.00	XLON	00366267827TRLO1
17 December 2025 09:27:39	10	1,644.00	XLON	00366270575TRLO1
17 December 2025 09:27:39	42	1,644.00	XLON	00366270576TRLO1
17 December 2025 09:54:14	222	1,648.00	XLON	00366286846TRLO1
17 December 2025 09:54:14	27	1,646.00	XLON	00366286847TRLO1
17 December 2025 10:12:49	67	1,650.00	XLON	00366290110TRLO1
17 December 2025 10:12:49	5	1,650.00	XLON	00366290111TRLO1
17 December 2025 10:17:17	82	1,652.00	XLON	00366290365TRLO1
17 December 2025 10:29:13	4	1,652.00	XLON	00366290949TRLO1
17 December 2025 10:50:19	90	1,654.00	XLON	00366291997TRLO1
17 December 2025 10:50:19	5	1,654.00	XLON	00366291998TRLO1
17 December 2025 10:59:56	95	1,652.00	XLON	00366292435TRLO1
17 December 2025 11:04:56	11	1,650.00	XLON	00366292771TRLO1
17 December 2025 11:04:56	11	1,650.00	XLON	00366292772TRLO1
17 December 2025 11:11:54	26	1,650.00	XLON	00366293143TRLO1
17 December 2025 11:11:54	22	1,650.00	XLON	00366293144TRLO1
17 December 2025 11:25:13	48	1,648.00	XLON	00366293964TRLO1
17 December 2025 11:32:20	101	1,648.00	XLON	00366294124TRLO1
17 December 2025 11:32:29	93	1,648.00	XLON	00366294127TRLO1
17 December 2025 11:36:59	26	1,646.00	XLON	00366294285TRLO1
17 December 2025 11:36:59	7	1,646.00	XLON	00366294286TRLO1
17 December 2025 11:36:59	16	1,646.00	XLON	00366294287TRLO1
17 December 2025 11:43:56	50	1,644.00	XLON	00366294574TRLO1
17 December 2025 11:43:56	49	1,644.00	XLON	00366294575TRLO1
17 December 2025 11:43:56	49	1,644.00	XLON	00366294576TRLO1
17 December 2025 11:43:56	49	1,644.00	XLON	00366294577TRLO1
17 December 2025 11:43:56	49	1,644.00	XLON	00366294578TRLO1
17 December 2025 11:43:56	14	1,646.00	XLON	00366294580TRLO1
17 December 2025 11:43:56	20	1,648.00	XLON	00366294581TRLO1
17 December 2025 11:43:56	181	1,648.00	XLON	00366294582TRLO1
17 December 2025 11:48:38	65	1,640.00	XLON	00366294794TRLO1
17 December 2025 11:48:38	130	1,644.00	XLON	00366294795TRLO1
17 December 2025 11:48:38	140	1,644.00	XLON	00366294796TRLO1
17 December 2025 11:48:38	250	1,642.00	XLON	00366294797TRLO1
17 December 2025 11:49:21	39	1,644.00	XLON	00366294851TRLO1
17 December 2025 11:49:21	12	1,644.00	XLON	00366294852TRLO1
17 December 2025 11:49:21	22	1,644.00	XLON	00366294853TRLO1
17 December 2025 11:49:29	52	1,642.00	XLON	00366294859TRLO1
17 December 2025 11:52:53	51	1,642.00	XLON	00366295035TRLO1
17 December 2025 11:56:37	50	1,640.00	XLON	00366295115TRLO1
17 December 2025 12:00:08	252	1,640.00	XLON	00366295276TRLO1
17 December 2025 12:00:08	12	1,640.00	XLON	00366295277TRLO1
17 December 2025 12:00:08	417	1,640.00	XLON	00366295278TRLO1
17 December 2025 12:00:08	51	1,638.00	XLON	00366295279TRLO1
17 December 2025 12:00:08	52	1,638.00	XLON	00366295280TRLO1
17 December 2025 12:07:37	88	1,638.00	XLON	00366295722TRLO1
17 December 2025 12:14:13	50	1,638.00	XLON	00366296123TRLO1
17 December 2025 12:21:11	16	1,638.00	XLON	00366296355TRLO1
17 December 2025 12:23:40	50	1,638.00	XLON	00366296424TRLO1
17 December 2025 12:31:21	3	1,638.00	XLON	00366296693TRLO1
17 December 2025 12:31:21	13	1,638.00	XLON	00366296694TRLO1
17 December 2025 12:45:38	110	1,640.00	XLON	00366297213TRLO1
17 December 2025 12:48:44	50	1,640.00	XLON	00366297341TRLO1
17 December 2025 12:56:24	45	1,640.00	XLON	00366297564TRLO1
17 December 2025 12:56:24	5	1,640.00	XLON	00366297565TRLO1
17 December 2025 13:04:36	50	1,640.00	XLON	00366297731TRLO1
17 December 2025 13:05:08	50	1,636.00	XLON	00366297751TRLO1
17 December 2025 13:05:08	49	1,636.00	XLON	00366297752TRLO1
17 December 2025 13:26:05	17	1,636.00	XLON	00366298504TRLO1
17 December 2025 13:26:05	17	1,636.00	XLON	00366298505TRLO1
17 December 2025 13:26:59	50	1,636.00	XLON	00366298550TRLO1
17 December 2025 13:33:31	50	1,636.00	XLON	00366298882TRLO1
17 December 2025 13:43:28	50	1,634.00	XLON	00366299130TRLO1
17 December 2025 13:43:28	50	1,634.00	XLON	00366299131TRLO1
17 December 2025 13:43:28	49	1,634.00	XLON	00366299132TRLO1
17 December 2025 13:43:28	50	1,634.00	XLON	00366299133TRLO1
17 December 2025 13:44:04	100	1,634.00	XLON	00366299164TRLO1
17 December 2025 13:47:04	103	1,634.00	XLON	00366299232TRLO1
17 December 2025 13:47:15	87	1,632.00	XLON	00366299239TRLO1
17 December 2025 13:54:15	18	1,634.00	XLON	00366299486TRLO1
17 December 2025 13:58:31	2	1,634.00	XLON	00366299633TRLO1
17 December 2025 14:11:39	155	1,636.00	XLON	00366300452TRLO1
17 December 2025 14:12:35	142	1,636.00	XLON	00366300526TRLO1
17 December 2025 14:14:49	51	1,638.00	XLON	00366300612TRLO1
17 December 2025 14:15:29	32	1,638.00	XLON	00366300664TRLO1
17 December 2025 14:15:41	6	1,638.00	XLON	00366300671TRLO1
17 December 2025 14:16:19	10	1,638.00	XLON	00366300780TRLO1
17 December 2025 14:34:11	48	1,636.00	XLON	00366301955TRLO1
17 December 2025 14:34:12	96	1,636.00	XLON	00366301956TRLO1
17 December 2025 14:34:12	48	1,636.00	XLON	00366301957TRLO1
17 December 2025 14:34:12	48	1,636.00	XLON	00366301958TRLO1
17 December 2025 14:34:12	47	1,636.00	XLON	00366301959TRLO1
17 December 2025 14:34:12	48	1,636.00	XLON	00366301960TRLO1
17 December 2025 14:43:15	252	1,640.00	XLON	00366302423TRLO1
17 December 2025 14:43:15	96	1,640.00	XLON	00366302424TRLO1
17 December 2025 14:43:15	462	1,640.00	XLON	00366302425TRLO1
17 December 2025 14:43:37	51	1,640.00	XLON	00366302465TRLO1
17 December 2025 14:43:50	54	1,640.00	XLON	00366302474TRLO1
17 December 2025 14:43:51	33	1,638.00	XLON	00366302475TRLO1
17 December 2025 14:46:46	2	1,640.00	XLON	00366302728TRLO1
17 December 2025 14:46:46	78	1,640.00	XLON	00366302730TRLO1
17 December 2025 14:50:24	51	1,640.00	XLON	00366302862TRLO1
17 December 2025 14:51:00	52	1,640.00	XLON	00366302899TRLO1
17 December 2025 14:51:10	50	1,638.00	XLON	00366302965TRLO1
17 December 2025 15:02:55	329	1,642.00	XLON	00366303574TRLO1

For further information, please contact:	www.keller.com
Keller Group plc	020 7616 7575
Silvana Glibota Vigo, Group Head of Secretariat

Notes to editors:

Keller is the world's largest geotechnical specialist contractor providing a wide portfolio of advanced foundation and ground improvement techniques used across the entire construction sector. With around 10,000 staff and operations across five continents, Keller tackles an unrivalled 5,500 projects every year, generating annual revenue of c£3bn.

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