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 financial instruments
3. Details of person subject to the notification obligation
Name
BlackRock, Inc.
City of registered office (if applicable)
Wilmington
Country of registered office (if applicable)
USA
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
20-May-2026
6. Date on which Issuer notified
22-May-2026
7. Total positions of person(s) subject to the notification obligation
. % of voting % of voting rights Total of Total
rights through financial both number of
attached to instruments (total in % voting
shares of 8.B 1 + 8.B 2) (8.A + rights held
(total 8.B) in issuer
of 8.A)
Resulting 3.910000 1.090000 5.000000 3,509,097
situation on the
date on
which threshold
was crossed or
reached
Position of Below 5% Below 5% Below 5%
previous
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 indirect % of direct % of indirect
of shares direct voting rights voting rights voting rights
ISIN code(if voting (DTR5.2.1) (DTR5.1) (DTR5.2.1)
possible) rights
(DTR5.1)
GB0004866223 2,741,367 3.910000
Sub Total 2,741,367 3.910000
8.A
8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))
Type of Expiration Exercise/ Number of voting % of
financial date conve rights that may voting
instrument rsion be rights
period acquired if the
instrument is
exercised/converte
d
Securities 11,700 0.020000
Lending
Sub Total 11,700 0.020000
8.B1
8B2. Financial Instruments with similar economic effect according to
(DTR5.3.1R.(1) (b))
Type of Expiration Exercise/conve Physical or Number of % of
financial date rsion period cash voting voting
instrument settlement rights rights
CFD Cash 756,030 1.070000
Sub Total 8.B2 756,030 1.070000
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)
Ultimate Name of % of voting rights % of voting Total of both if
controlling controlled if it equals or is rights it equals or is
person undertaking higher than the through higher than the
notifiable financial notifiable
threshold instruments threshold
if it
equals or
is higher
than the
notifiable
threshold
BlackRock, BlackRock
Inc. (Chain Saturn Subco,
1) LLC
BlackRock, BlackRock
Inc. (Chain Finance, Inc.
1)
BlackRock, Trident
Inc. (Chain Merger, LLC
1)
BlackRock, BlackRock
Inc. (Chain Investment
1) Management,
LLC
BlackRock, BlackRock
Inc. (Chain Saturn Subco,
2) LLC
BlackRock, BlackRock
Inc. (Chain Finance, Inc.
2)
BlackRock, BlackRock
Inc. (Chain Holdco 2, Inc.
2)
BlackRock, BlackRock
Inc. (Chain Financial
2) Management,
Inc.
BlackRock, BlackRock
Inc. (Chain International
2) Holdings, Inc.
BlackRock, BR Jersey
Inc. (Chain International
2) Holdings L.P.
BlackRock, BlackRock
Inc. (Chain Holdco 3, LLC
2)
BlackRock, BlackRock
Inc. (Chain Cayman 1 LP
2)
BlackRock, BlackRock
Inc. (Chain Cayman West
2) Bay
Finco Limited
BlackRock, BlackRock
Inc. (Chain Cayman West
2) Bay IV
Limited
BlackRock, BlackRock
Inc. (Chain Group Limited
2)
BlackRock, BlackRock
Inc. (Chain Investment
2) Management
(UK) Limited
BlackRock, BlackRock
Inc. (Chain Saturn Subco,
3) LLC
BlackRock, BlackRock
Inc. (Chain Finance, Inc.
3)
BlackRock, BlackRock
Inc. (Chain Holdco 2, Inc.
3)
BlackRock, BlackRock
Inc. (Chain Financial
3) Management,
Inc.
BlackRock, BlackRock
Inc. (Chain International
3) Holdings, Inc.
BlackRock, BR Jersey
Inc. (Chain International
3) Holdings L.P.
BlackRock, BlackRock
Inc. (Chain Australia
3) Holdco
Pty. Ltd.
BlackRock, BlackRock
Inc. (Chain Investment
3) Management
(Australia)
Limited
BlackRock, BlackRock
Inc. (Chain Saturn Subco,
4) LLC
BlackRock, BlackRock
Inc. (Chain Finance, Inc.
4)
BlackRock, BlackRock
Inc. (Chain Holdco 2, Inc.
4)
BlackRock, BlackRock
Inc. (Chain Financial
4) Management,
Inc.
BlackRock, BlackRock
Inc. (Chain Holdco 4, LLC
4)
BlackRock, BlackRock
Inc. (Chain Holdco 6, LLC
4)
BlackRock, BlackRock
Inc. (Chain Delaware
4) Holdings
Inc.
BlackRock, BlackRock
Inc. (Chain Institutional
4) Trust
Company,
National
Association
BlackRock, BlackRock
Inc. (Chain Saturn Subco,
5) LLC
BlackRock, BlackRock
Inc. (Chain Finance, Inc.
5)
BlackRock, BlackRock
Inc. (Chain Holdco 2, Inc.
5)
BlackRock, BlackRock
Inc. (Chain Financial
5) Management,
Inc.
BlackRock, BlackRock
Inc. (Chain Holdco 4, LLC
5)
BlackRock, BlackRock
Inc. (Chain Holdco 6, LLC
5)
BlackRock, BlackRock
Inc. (Chain Delaware
5) Holdings
Inc.
BlackRock, BlackRock Fund
Inc. (Chain Advisors
5)
BlackRock, BlackRock
Inc. (Chain Saturn Subco,
6) LLC
BlackRock, BlackRock
Inc. (Chain Finance, Inc.
6)
BlackRock, BlackRock
Inc. (Chain Holdco 2, Inc.
6)
BlackRock, BlackRock
Inc. (Chain Financial
6) Management,
Inc.
BlackRock, BlackRock
Inc. (Chain Saturn Subco,
7) LLC
BlackRock, BlackRock
Inc. (Chain Finance, Inc.
7)
BlackRock, BlackRock
Inc. (Chain Holdco 2, Inc.
7)
BlackRock, BlackRock
Inc. (Chain Financial
7) Management,
Inc.
BlackRock, BlackRock
Inc. (Chain International
7) Holdings, Inc.
BlackRock, BlackRock
Inc. (Chain Canada
7) Holdings ULC
BlackRock, BlackRock
Inc. (Chain Asset
7) Management
Canada Limited
BlackRock, BlackRock
Inc. (Chain Saturn Subco,
8) LLC
BlackRock, BlackRock
Inc. (Chain Finance, Inc.
8)
BlackRock, BlackRock
Inc. (Chain Holdco 2, Inc.
8)
BlackRock, BlackRock
Inc. (Chain Financial
8) Management,
Inc.
BlackRock, BlackRock
Inc. (Chain Capital
8) Holdings,
Inc.
BlackRock, BlackRock
Inc. (Chain Advisors, LLC
8)
BlackRock, BlackRock
Inc. (Chain Saturn Subco,
9) LLC
BlackRock, BlackRock
Inc. (Chain Finance, Inc.
9)
BlackRock, BlackRock
Inc. (Chain Holdco 2, Inc.
9)
BlackRock, BlackRock
Inc. (Chain Financial
9) Management,
Inc.
BlackRock, BlackRock
Inc. (Chain International
9) Holdings, Inc.
BlackRock, BR Jersey
Inc. (Chain International
9) Holdings L.P.
BlackRock, BlackRock
Inc. (Chain Holdco 3, LLC
9)
BlackRock, BlackRock
Inc. (Chain Cayman 1 LP
9)
BlackRock, BlackRock
Inc. (Chain Cayman West
9) Bay
Finco Limited
BlackRock, BlackRock
Inc. (Chain Cayman West
9) Bay IV
Limited
BlackRock, BlackRock
Inc. (Chain Group Limited
9)
BlackRock, BlackRock
Inc. (Chain Advisors (UK)
9) Limited
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
BlackRock Regulatory Threshold Reporting Team
Jana Blumenstein
020 7743 365
12. Date of Completion
22 May 2026
13. Place Of Completion
12 Throgmorton Avenue, London, EC2N 2DL, U.K.
Enquiries:
Jamie Dearsley
Assistant Company Secretary
+44 7824 584 151
Keller Group plc
LEI Number: 549300QO4MBL43UHSN10
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