Director/PDMR Shareholding

24 March 2026

Keller Group plc

Director/PDMR Shareholding

Keller Group plc (the "Company") announces that on 23 March 2026 it was notified of the following transactions in the Company's Ordinary shares of 10 pence each (“Shares”) undertaken by Executive Directors and other Persons Discharging Managerial Responsibilities ("PDMRs"):

Long Term Incentive Plan (“LTIP”) vesting

As a result of the vesting on 18 March 2026 of Shares under the Company’s LTIP, the following Executive Directors and PDMRs acquired Shares for nil consideration on 23 March 2026:

LTIP Deferred Bonus Awards granted on 18 March 2024 – in respect of the year ended 31 December 2023

Director / PDMR	Number of Shares awarded	Number of Shares released*	Number of Shares sold to cover tax liability	Net number of Shares acquired
David Burke	11,912	12,789	6,032	6,757

*Includes dividend equivalents added as Shares since the date of grant.

LTIP Performance Share Awards granted on 15 March 2023 – for the period 2023/25

Director / PDMR	Number of Shares awarded	Number of Shares released*	Number of Shares sold to cover tax liability	Net number of Shares acquired
David Burke	71,533	80,949	38,180	42,769
Peter Wyton	38,193	43,220	-	43,220

*Includes dividend equivalents added as Shares since the date of grant.

The 2023 LTIP Performance Share Awards were measured over a three-year performance period which began on 1 January 2023 and ended on 31 December 2025, and were subject to four performance conditions. The performance conditions were fully and the awards vested as follows:

Measures	Vesting schedule and outcome 3
	% of award that will vest			Outcome	Vesting %
	0%	25%	100%
25% weight Cumulative EPS over three years 1	Below 330p	330p	400p	561.6p	25
25% weight Keller’s TSR performance vs FTSE 250 index 2 over three years	Below median	Median	Upper quartile	Top quartile	25
25% weight Average ROCE over three years 1,3	Below 12%	12%	18%	27.3%	25
25% weight Operating profit margin	Below 5.5%	5.5%	6.5%	7.1%	25
Total vesting					100

1   EPS and ROCE are before non-underlying items on an IFRS 16 basis and EPS is calculated excluding the impact of the share buyback..

2   Excluding investment trusts and financial services.

3   Average of the three-year ROCE for 2023–25.

LTIP Conditional Share Awards granted on 15 March 2023

PDMR	Number of Shares awarded	Number of Shares released*	Number of Shares sold to cover tax liability	Net number of Shares acquired
Deepak Raj	7,170	8,113	-	8,113

*Includes dividend equivalents added as Shares since the date of grant.

The Shares used to satisfy the LTIP vesting were sold at 2,023 pence each to cover tax liabilities (which includes employee social security charges) and the transaction took place through the London Stock Exchange.

The Notification of Dealing Form for each Executive Director and PDMR can be found below.

Enquiries:

Keller Group plc
Silvana Glibota-Vigo, Group Head of Secretariat

Tel: [phone]

LEI number:     549300QO4MBL43UHSN10

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.

1	Details of persons discharging managerial responsibility (“PDMR”) / person closely associated (“PCA”)
a)	Name	David Burke
2	Reason for the notification
a)	Position / status	PDMR (Provide job title)		PCA (Provide name of job title of relevant PDMR)
		Chief Financial Officer		N/A
b)	Initial notification/Amendment	Initial notification
3	Details of the issuer
a)	Name	Keller Group plc
b)	LEI and classification	549300QO4MBL43UHSN10 2.2 Inside information
4	Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument Identification code	Ordinary shares of 10p each GB0004866223
b)	Indicate nature of the transaction	Acquisition	Disposal	Subscription	Other
	ii) Is the transaction linked to an exercise of a share award?	Yes		No
		X
	iii) Was the transaction conducted pursuant to an investment programme or a trading plan?	Yes	No	If yes, provide date at which investment programme or trading plan was entered into:
			X
c)	Price(s) and volume(s)	Price(s) (Please state currency)		Volume(s)
		Nil		12,789
		Nil		80,949
d)	Aggregated information	Aggregated price(s) (Please state currency)		Aggregated volume(s)
		Nil		93,738
e)	Date of the transaction	Date: 18.03.2026 Time zone: GMT
f)	Place of the transaction	Outside trading venue

4	Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument Identification code	Ordinary shares of 10p each GB0004866223
b)	Indicate nature of the transaction	Acquisition	Disposal	Subscription	Other
	ii) Is the transaction linked to an exercise of a share award?	Yes		No
		X
	iii) Was the transaction conducted pursuant to an investment programme or a trading plan?	Yes	No	If yes, provide date at which investment programme or trading plan was entered into:
			X
c)	Price(s) and volume(s)	Price(s) (Please state currency)		Volume(s)
		£20.23		6,032
		£20.23		38,180
d)	Aggregated information	Aggregated price(s) (Please state currency)		Aggregated volume(s)
		£20.23		44,212
e)	Date of the transaction	Date: 23.03.2026 Time zone: GMT
f)	Place of the transaction	London Stock Exchange

1	Details of persons discharging managerial responsibility (“PDMR”) / person closely associated (“PCA”)
a)	Name	Deepak Raj
2	Reason for the notification
a)	Position / status	PDMR (Provide job title)		PCA (Provide name of job title of relevant PDMR)
		President, APAC		N/A
b)	Initial notification/Amendment	Initial notification
3	Details of the issuer
a)	Name	Keller Group plc
b)	LEI and classification	549300QO4MBL43UHSN10 2.2 Inside information
4	Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument Identification code	Ordinary shares of 10p each GB0004866223
b)	Indicate nature of the transaction	Acquisition	Disposal	Subscription	Other
	ii) Is the transaction linked to an exercise of a share award?	Yes		No
		X
	iii) Was the transaction conducted pursuant to an investment programme or a trading plan?	Yes	No	If yes, provide date at which investment programme or trading plan was entered into:
			X
c)	Price(s) and volume(s)	Price(s) (Please state currency)		Volume(s)
		Nil		8,113
d)	Aggregated information	Aggregated price(s) (Please state currency)		Aggregated volume(s)
		Not applicable - single transaction		Not applicable - single transaction
e)	Date of the transaction	Date: 18.03.2026 Time zone: GMT
f)	Place of the transaction	Outside trading venue

1	Details of persons discharging managerial responsibility (“PDMR”) / person closely associated (“PCA”)
a)	Name	Peter Wyton
2	Reason for the notification
a)	Position / status	PDMR (Provide job title)		PCA (Provide name of job title of relevant PDMR)
		President, EME		N/A
b)	Initial notification/Amendment	Initial notification
3	Details of the issuer
a)	Name	Keller Group plc
b)	LEI and classification	549300QO4MBL43UHSN10 2.2 Inside information
4	Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument Identification code	Ordinary shares of 10p each GB0004866223
b)	Indicate nature of the transaction	Acquisition	Disposal	Subscription	Other
	ii) Is the transaction linked to an exercise of a share award?	Yes		No
		X
	iii) Was the transaction conducted pursuant to an investment programme or a trading plan?	Yes	No	If yes, provide date at which investment programme or trading plan was entered into:
			X
c)	Price(s) and volume(s)	Price(s) (Please state currency)		Volume(s)
		Nil		43,220
d)	Aggregated information	Aggregated price(s) (Please state currency)		Aggregated volume(s)
		Not applicable - single transaction		Not applicable - single transaction
e)	Date of the transaction	Date: 18.03.2026 Time zone: GMT
f)	Place of the transaction	Outside trading venue

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