Company Announcements

Keller Group Plc - Holding(s) in Company

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

3. Details of person subject to the notification obligation

Name

JPMorgan Asset Management Holdings Inc.

City of registered office (if applicable)

Wilmington

Country of registered office (if applicable)

United States of America

4. Details of the shareholder


     Name                        City of registered      Country of registered
                            office                  office

  JPMorgan Asset Management   London                  United Kingdom
(UK) Limited



5. Date on which the threshold was crossed or reached

05-May-2026

6. Date on which Issuer notified

06-May-2026

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


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

  Resulting
situation on
the date on       8.731981      1.372027         10.104008        7,069,447
which threshold
was crossed or
reached

  Position of
previous          8.550192      1.363860         9.914052
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      Number of       Number of       % of direct      % of
of shares ISIN  direct voting   indirect voting voting rights    indirect voting
code(if         rights (DTR5.1) rights          (DTR5.1)         rights
possible)                       (DTR5.2.1)                       (DTR5.2.1)

  GB0004866223                    6,109,484                        8.731981

     Sub Total       6,109,484                       8.731981
8.A



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


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

     Sub Total
8.B1



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


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

  Cash
Settled –      N/A        N/A                 Cash        959,963      1.372027
Equity Swaps

     Sub                                                     959,963
Total 8.B2                                                           1.372027



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

  JPMorgan      JPMorgan Asset
Asset         Management (UK)    7.652026                          9.023232
Management    Limited
Holdings Inc

  JPMorgan      J.P. Morgan
Asset         Investment
Management    Management Inc.
Holdings Inc

  JPMorgan      J.P. Morgan
Asset         Alternative
Management    Asset
Holdings IncManagement, Inc

  JPMorgan      JPMorgan Asset
Asset         Management
Management    (China) Company
Holdings Inc  Limited

  JPMorgan
Asset           JP Morgan
Management    chase Bank, N.A
Holdings Inc

  JPMorgan      JPMorgan Asset
Asset         Management
Management    (Taiwan) Limited
Holdings Inc

  JPMorgan      JPMorgan Asset
Asset         Management
Management    (Japan) Limited
Holdings Inc.

  JPMorgan      JPMorgan Asset
Asset         Management
Management    (Singapore)
Holdings Inc  Limited

  JPMorgan      JPMorgan Asset
Asset         Management (Asia
Management    Pacific) Limited
Holdings Inc.



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

Chain of controlled undertakings:

JPMorgan Asset Management Holdings Inc
JPMorgan Asset Management International Limited (100%)
JPMorgan Asset Management (UK) Limited (100%)

JPMorgan Asset Management Holdings Inc
J.P. Morgan Investment Management Inc. (100%)


JPMorgan Asset Management Holdings Inc.
JPMorgan Asset Management (Asia) Inc. (100%)
JPMorgan Asset Management (Asia Pacific) Limited (100%)

JPMorgan Asset Management Holdings Inc.
JPMorgan Asset Management (Asia) Inc. (100%)
JPMorgan Asset Management (Japan) Limited (100%)


JPMorgan Asset Management Holdings Inc.
JPMorgan Asset Management (Asia) Inc. (100%)
JPMorgan Asset Management (Singapore) Limited (100%)


JPMorgan Asset Management Holdings Inc
J.P. Morgan Alternative Asset Management, Inc. (100%)

JPMorgan Asset Management Holdings Inc.
JPMorgan Asset Management (China) Company Limited (100%)

JPMorgan Asset Management Holdings Inc.
JPMorgan Asset Management (Asia) Inc. (100%)
JPMorgan Asset Management (Taiwan) Limited (100%)

JPMorgan Asset Management Holdings Inc
JP Morgan chase Bank, N.A. (100%)

12. Date of Completion

06-May-2026

13. Place Of Completion

Hyderabad, India

CONTACT:

Enquiries:

Jamie Dearsley

Assistant Company Secretary

+44 7824 584 151

Keller Group plc


LEI Number:         549300QO4MBL43UHSN10