Transaction in Own Shares

Summary by AI ^BETAClose X

Keller Group plc has purchased 13,801 ordinary shares as part of its ongoing share buyback program, with the transactions occurring on December 19, 2025, at prices ranging from 1,640.16 pence to 1,645.00 pence per share, and a weighted average price of 1,642.30 pence. Following this acquisition, the company will hold 2,665,661 shares in treasury, leaving 73,099,735 ordinary shares in issue.

Disclaimer*

Keller Group PLC

22 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 Peel Hunt LLP ("Peel Hunt") as part of its share buyback programme, details of which were announced by Keller on 29 September 2025.

Date of purchase:	19 December 2025
Aggregate number of common shares purchased:	13,801
Lowest price per share (pence):	1,640.16
Highest price per share (pence):	1,645.00
Weighted average price per day (pence):	1,642.30

The Company intends to hold the purchased Ordinary Shares in treasury. Following the purchase and settlement of these Ordinary Shares, the Company will hold 2,665,661 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	1,642.30	13,801	1,640.16	1,645.00

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 Peel Hunt 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
December 19 14:34:07	6,780	1,640.16	XLON	00186483341TRLO0
December 19 16:20:21	2,582	1,645.00	XLON	00186499311TRLO0
December 19 16:38:06	4,439	1,644.00	XLON	00186505306TRLO0

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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