12 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: | 11 December 2025 |
| Aggregate number of common shares purchased: | 30,347 |
| Lowest price per share (pence): | 1,600.00 |
| Highest price per share (pence): | 1,600.00 |
| Weighted average price per day (pence): | 1,600.0000 |
The Company intends to hold the purchased Ordinary Shares in treasury. Following the purchase and settlement of these Ordinary Shares, the Company will hold 2,591,404 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 | 1,600.0000 | 30,347 | 1,600.00 | 1,600.00 |
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 |
| 11 December 2025 12:03:34 | 1,250 | 1,600.00 | XLON | 00365572574TRLO1 |
| 11 December 2025 12:03:34 | 3,614 | 1,600.00 | XLON | 00365572575TRLO1 |
| 11 December 2025 12:03:34 | 1,250 | 1,600.00 | XLON | 00365572576TRLO1 |
| 11 December 2025 12:40:45 | 175 | 1,600.00 | XLON | 00365573755TRLO1 |
| 11 December 2025 12:40:45 | 1,075 | 1,600.00 | XLON | 00365573756TRLO1 |
| 11 December 2025 12:40:45 | 1 | 1,600.00 | XLON | 00365573757TRLO1 |
| 11 December 2025 12:40:45 | 113 | 1,600.00 | XLON | 00365573758TRLO1 |
| 11 December 2025 12:40:46 | 460 | 1,600.00 | XLON | 00365573759TRLO1 |
| 11 December 2025 12:41:13 | 105 | 1,600.00 | XLON | 00365573765TRLO1 |
| 11 December 2025 12:41:13 | 571 | 1,600.00 | XLON | 00365573766TRLO1 |
| 11 December 2025 12:41:14 | 1,250 | 1,600.00 | XLON | 00365573768TRLO1 |
| 11 December 2025 12:41:14 | 624 | 1,600.00 | XLON | 00365573769TRLO1 |
| 11 December 2025 12:41:14 | 18 | 1,600.00 | XLON | 00365573770TRLO1 |
| 11 December 2025 13:11:24 | 81 | 1,600.00 | XLON | 00365574878TRLO1 |
| 11 December 2025 13:11:24 | 1,151 | 1,600.00 | XLON | 00365574879TRLO1 |
| 11 December 2025 13:11:24 | 1,250 | 1,600.00 | XLON | 00365574880TRLO1 |
| 11 December 2025 13:11:24 | 1,250 | 1,600.00 | XLON | 00365574881TRLO1 |
| 11 December 2025 13:11:24 | 181 | 1,600.00 | XLON | 00365574882TRLO1 |
| 11 December 2025 13:11:25 | 1,069 | 1,600.00 | XLON | 00365574883TRLO1 |
| 11 December 2025 13:11:25 | 348 | 1,600.00 | XLON | 00365574884TRLO1 |
| 11 December 2025 13:11:47 | 165 | 1,600.00 | XLON | 00365574898TRLO1 |
| 11 December 2025 13:11:47 | 997 | 1,600.00 | XLON | 00365574899TRLO1 |
| 11 December 2025 13:11:47 | 88 | 1,600.00 | XLON | 00365574900TRLO1 |
| 11 December 2025 13:11:47 | 997 | 1,600.00 | XLON | 00365574901TRLO1 |
| 11 December 2025 13:11:47 | 100 | 1,600.00 | XLON | 00365574902TRLO1 |
| 11 December 2025 13:12:26 | 44 | 1,600.00 | XLON | 00365574932TRLO1 |
| 11 December 2025 13:12:26 | 205 | 1,600.00 | XLON | 00365574933TRLO1 |
| 11 December 2025 13:12:27 | 700 | 1,600.00 | XLON | 00365574934TRLO1 |
| 11 December 2025 13:12:28 | 201 | 1,600.00 | XLON | 00365574937TRLO1 |
| 11 December 2025 13:15:18 | 1,250 | 1,600.00 | XLON | 00365575011TRLO1 |
| 11 December 2025 13:15:18 | 126 | 1,600.00 | XLON | 00365575012TRLO1 |
| 11 December 2025 13:23:29 | 102 | 1,600.00 | XLON | 00365575167TRLO1 |
| 11 December 2025 13:23:29 | 1,148 | 1,600.00 | XLON | 00365575168TRLO1 |
| 11 December 2025 13:23:29 | 101 | 1,600.00 | XLON | 00365575169TRLO1 |
| 11 December 2025 13:23:29 | 1,250 | 1,600.00 | XLON | 00365575170TRLO1 |
| 11 December 2025 15:48:29 | 1,250 | 1,600.00 | XLON | 00365580780TRLO1 |
| 11 December 2025 15:48:29 | 1,500 | 1,600.00 | XLON | 00365580781TRLO1 |
| 11 December 2025 15:48:29 | 186 | 1,600.00 | XLON | 00365580782TRLO1 |
| 11 December 2025 15:48:29 | 1,624 | 1,600.00 | XLON | 00365580783TRLO1 |
| 11 December 2025 15:48:29 | 28 | 1,600.00 | XLON | 00365580784TRLO1 |
| 11 December 2025 15:48:29 | 20 | 1,600.00 | XLON | 00365580785TRLO1 |
| 11 December 2025 15:48:29 | 206 | 1,600.00 | XLON | 00365580786TRLO1 |
| 11 December 2025 15:48:29 | 1,500 | 1,600.00 | XLON | 00365580787TRLO1 |
| 11 December 2025 15:48:29 | 723 | 1,600.00 | XLON | 00365580788TRLO1 |
| For further information, please contact: | |
| 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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