20 May 2026

Keller Group plc (the “Company")
 Result of 2026 Annual General Meeting (“AGM”)

Keller Group plc announces that all resolutions were passed at the Company’s AGM held at 4 Kingdom Street, Paddington Central, London W2 6BD on Wednesday 20 May 2026 at 10:00am.

In line with recommended practice, a poll was conducted on each resolution at the meeting and the total number of votes received on each resolution is as follows: 

                   Votes      %          Votes      %          Total      Votes
Resolution    For                   Against               Votes      Withheld

       1 -
To receive
the Annual    50,996,952 100.00%        588        0.00%  50,997,540     147,223
Report and
Accounts

       2 -
To approve
the                          96.56%                3.44%                 302,528
Directors’    49,093,267            1,748,968             50,842,235
remuneration
report

     3 – To
declare a
final
dividend of   51,133,991 100.00%        661        0.00%  51,134,652     10,111
52.1p per
Ordinary
Share

     4 – To
re-appoint
Ernst & Young 51,129,927 100.00%        2,409      0.00%  51,132,336     12,427
LLP as
Auditors

       5 -
To authorise
the Audit and
Risk
Committee to  51,131,923 100.00%        1,460      0.00%  51,133,383     11,380
agree the
remuneration
of the
Auditors

       6 -
To elect                     99.94%     28,308     0.06%                 11,696
James Wroath  51,104,759                                  51,133,067
as a Director

       7 -
To re-elect                  98.40%                1.60%                 11,012
Paula Bell as 50,316,197            817,554               51,133,751
a Director

       8 -
To re-elect                  99.89%     57,222     0.11%                 11,012
David Burke   51,076,529                                  51,133,751
as a Director

     9 – To
re-elect
Carl-Peter    45,254,878     88.50% 5,878,873      11.50% 51,133,751     11,012
Forster as a
Director

       10 -
To re-elect
Juan G.                      98.40%                1.60%                 16,404
Hernández     50,312,583            815,776               51,128,359
Abrams as a
Director

       11 -
To re-elect
Annette       50,343,431     98.45% 790,320        1.55%  51,133,751     11,012
Kelleher as a
Director

       12 -
To re-elect                  98.45%                1.55%                 11,012
Stephen King  50,339,869            793,882               51,133,751
as a Director

       13 -
To re-elect
Baroness Kate 50,313,227     98.40% 820,419        1.60%  51,133,646     11,117
Rock as a
Director

       14 –
To authorise
the Directors
to allot
securities
pursuant to   50,048,884     97.93% 1,058,209      2.07%  51,107,093     37,670
section 551

        of
the Companies
Act 2006

       15 -
Authority to
disapply      50,728,323     99.27% 372,572        0.73%  51,100,895     43,868
pre-emption
rights

     16 -
Authority to
disapply
pre-emption   48,753,677     95.41% 2,347,115      4.59%  51,100,792     43,971
rights in
limited
circumstances

       17 –
To authorise
market                       99.97%     17,233     0.03%                 104,951
purchases of  51,022,579                                  51,039,812
the Company’s
shares

     18 – To
authorise the
payment of
political     50,841,455     99.43% 290,613        0.57%  51,132,068     12,695
donations and
political
expenditure

     19 -
Authority to
call a
general       50,057,904     97.90% 1,075,765      2.10%  51,133,669     11,094
meeting on 14
clear days’
notice

Votes 'For' and 'Against' are expressed as a percentage of votes received. A 'Vote withheld' is not a vote in law and is not counted in the calculation of the votes 'For' and 'Against' a resolution. Votes were cast for a total of 51,134,652 ordinary shares of 10 pence per share, representing 73.14% of the total number of votes capable of being cast at the AGM. The Company's issued share capital as at 20 May 2026 was 73,099,735 ordinary shares and the number of votes per share is one. The Company held 3,335,126 shares in Treasury, which do not carry any voting rights. Resolutions 1 to 14, and 18 were proposed as Ordinary Resolutions and resolutions 15 to 17, and 19 as Special Resolutions.

This announcement will be available for viewing on the Company’s website, www.keller.com, as soon as practicable. The full text of all the resolutions passed at the AGM can be found in the Notice of AGM, which is available for inspection at https://data.fca.org.uk/#/nsm/nationalstoragemechanism  and on the Company's website at www.keller.com.

CONTACT:

Enquiries:

Keller Group plc
Silvana Glibota-Vigo, Group Head of Secretariat
Tel: 020 7616 7575

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.