Company Announcements

TR-1: Standard form for notification of major holdings

1. Issuer Details

ISIN

GB0004866223

Issuer Name

KELLER GROUP PLC

UK or Non-UK Issuer

UK

2. Reason for Notification

An acquisition or disposal of voting rights; An acquisition or disposal of financial instruments

3. Details of person subject to the notification obligation

Name

FIL Limited

City of registered office (if applicable)

Hamilton

Country of registered office (if applicable)

Bermuda

4. Details of the shareholder

Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above

City of registered office (if applicable)

Country of registered office (if applicable)

5. Date on which the threshold was crossed or reached

08-May-2025

6. Date on which Issuer notified

12-May-2025

7. Total positions of person(s) subject to the notification obligation

                                % of voting
                % of voting     rights through                   Total number of
.               rights attached financial       Total of both in voting rights
                to shares       instruments     % (8.A + 8.B)    held in issuer
                (total of 8.A)  (total of 8.B 1
                                + 8.B 2)

Resulting
situation on
the date on     9.859400        0.769100        10.628500        7,664,647
which threshold
was crossed or
reached

Position of
previous        9.953100        1.982400        11.935500
notification
(if applicable)

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached

8A. Voting rights attached to shares

Class/Type of    Number of direct Number of         % of direct   % of indirect
shares ISIN code voting rights    indirect voting   voting rights voting rights
(if possible)    (DTR5.1)         rights (DTR5.2.1) (DTR5.1)      (DTR5.2.1)

GB0004866223                      7,110,033                       9.859400

Sub Total 8.A    7,110,033                          9.859400%

8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))

                                              Number of voting
Type of        Expiration Exercise/conversion rights that may be  % of voting
financial      date       period              acquired if the     rights
instrument                                    instrument is
                                              exercised/converted

Sub Total 8.B1

8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))

Type of    Expiration Exercise/conversion Physical or Number of     % of voting
financial  date       period              cash        voting rights rights
instrument                                settlement

CFD                                       Cash        554,614       0.769100

Sub Total                                             554,614       0.769100%
8.B2

9. Information in relation to the person subject to the notification obligation

2. Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entities (please add additional rows as necessary)

                                              % of voting
                              % of voting     rights through    Total of both if
Ultimate    Name of           rights if it    financial         it equals or is
controlling controlled        equals or is    instruments if it higher than the
person      undertaking       higher than the equals or is      notifiable
                              notifiable      higher than the   threshold
                              threshold       notifiable
                                              threshold

FIL Limited FIL Limited       9.859400        0.769100          10.628500%

            FIL Financial
FIL Limited Services Holdings 9.859400        0.769100          10.628500%
            Limited

            FIL Financial
FIL Limited Services Holdings 9.859400        0.769100          10.628500%
            2 Limited

FIL Limited FIL Holdings (UK) 9.859400        0.769100          10.628500%
            Limited

FIL Limited FIL Investments   9.859400        0.769100          10.628500%
            International

10. In case of proxy voting

Name of the proxy holder

The number and % of voting rights held

The date until which the voting rights will be held

11. Additional Information

12. Date of Completion

10-May-2025

13. Place Of Completion

Dublin, Ireland

CONTACT:

Enquiries:

Jamie Dearsley

Company Secretarial Assistant

+44 7824 584 151

Keller Group Plc

LEI Number:         549300QO4MBL43UHSN10
Classification:        2.3 (Major shareholding notifications)