Transaction in Own Shares

Summary by AI ^BETAClose X

Keller Group plc has purchased a total of 124,344 ordinary shares between June 15 and June 19, 2026, as part of its ongoing share buyback program. The volume-weighted average price for these purchases ranged from 2656.18 pence to 2684.40 pence per share. Following these transactions, Keller will hold 3,631,180 ordinary shares in treasury, with 73,099,735 ordinary shares remaining in issue.

Disclaimer*

Keller Group PLC

23 June 2026

Keller Group plc

("Keller" or the "Company")

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") in the period from 15 June 2026 to 19 June 2026 as part of its share buyback programme, details of which were announced by Keller on 30 March 2026.

Aggregate information:

Date	Venue	Volume-weighted average price (p)	Aggregated volume	Lowest price per share (p)	Highest price per share (p)
15/06/2026	XLON	2656.1777	16,919	2642.0000	2658.0000
16/06/2026	XLON	2658.0475	30,256	2634.0000	2666.0000
17/06/2026	XLON	2660.0263	25,049	2630.0000	2684.0000
18/06/2026	XLON	2684.4009	23,520	2656.0000	2712.0000
19/06/2026	XLON	2666.4481	24,600	2648.0000	2690.0000

The Company intends to hold the purchased Ordinary Shares in treasury. Following the purchase and settlement of these Ordinary Shares, the Company will hold 3,631,180 of its Ordinary Shares in treasury and will have 73,099,735 Ordinary Shares in issue (including treasury shares).

Schedule of Purchases - Individual Transactions

In accordance with Article 5(1)(b) of the Market Abuse Regulation (EU) No 596/2014 (as it forms part of the law of the United Kingdom by virtue of the European Union (Withdrawal) Act 2018 as that Act is amended from time to time), a full breakdown of the individual trades made by Investec on behalf of the Company as part of the Programme is set out in the Schedule to this announcement available through the link below:

http://www.rns-pdf.londonstockexchange.com/rns/2174J_1-2026-6-22.pdf

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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