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BlackRock, Inc. notified United Utilities Group PLC on November 25, 2025, of a disposal of major holdings, which reduced its total voting rights to 9.89% as of November 24, 2025. This 9.89% represents 67,578,540 voting rights in the company, comprising 9.18% attached to shares and 0.71% through financial instruments, a decrease from its previous notification position of 10.00%.
| Date | 25 Nov 2025 |
| Time | 14:26:02 |
| Category | Holding(s) in company |
| ID | 9582I |
United Utilities Group PLC - notification of major holdings
1. Issuer Details
ISIN
GB00B39J2M42
Issuer Name
UNITED UTILITIES 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
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
24-Nov-2025
6. Date on which Issuer notified
25-Nov-2025
7. Total positions of person(s) subject to the notification obligation
|
% of voting rights attached to shares (total of 8.A) |
% of voting rights through financial instruments (total of 8.B 1 + 8.B 2) |
Total of both in % (8.A + 8.B) |
Total number of voting rights held in issuer |
|
|
Resulting situation on the date on which threshold was crossed or reached |
9.180000 |
0.710000 |
9.890000 |
67578540 |
|
Position of previous notification (if applicable) |
8.750000 |
1.250000 |
10.000000 |
|
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 shares ISIN code(if possible) |
Number of direct voting rights (DTR5.1) |
Number of indirect voting rights (DTR5.2.1) |
% of direct voting rights (DTR5.1) |
% of indirect voting rights (DTR5.2.1) |
|
GB00B39J2M42 |
|
62630767 |
|
9.180000 |
|
Sub Total 8.A |
62630767 |
9.180000% |
||
8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))
|
Type of financial instrument |
Expiration date |
Exercise/conversion period |
Number of voting rights that may be acquired if the instrument is exercised/converted |
% of voting rights |
|
American Depositary Receipt |
|
|
2151322 |
0.310000 |
|
Securities Lending |
|
|
1671176 |
0.240000 |
|
Sub Total 8.B1 |
|
3822498 |
0.550000% |
|
8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))
|
Type of financial instrument |
Expiration date |
Exercise/conversion period |
Physical or cash settlement |
Number of voting rights |
% of voting rights |
|
CFD |
|
|
Cash |
1125275 |
0.160000 |
|
Sub Total 8.B2 |
|
1125275 |
0.160000% |
||
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 controlling person |
Name of controlled undertaking |
% of voting rights if it equals or is higher than the notifiable threshold |
% of voting rights through financial instruments if it equals or is higher than the notifiable threshold |
Total of both if it equals or is higher than the notifiable threshold |
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BlackRock, Inc. (Chain 1) |
BlackRock Saturn Subco, LLC |
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BlackRock, Inc. (Chain 1) |
BlackRock Finance, Inc. |
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BlackRock, Inc. (Chain 1) |
BlackRock Holdco 2, Inc. |
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BlackRock, Inc. (Chain 1) |
BlackRock Financial Management, Inc. |
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BlackRock, Inc. (Chain 1) |
BlackRock International Holdings, Inc. |
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BlackRock, Inc. (Chain 1) |
BR Jersey International Holdings L.P. |
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BlackRock, Inc. (Chain 1) |
BlackRock (Singapore) Holdco Pte. Ltd. |
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BlackRock, Inc. (Chain 1) |
BlackRock HK Holdco Limited |
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BlackRock, Inc. (Chain 1) |
BlackRock Lux Finco S.a.r.l. |
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BlackRock, Inc. (Chain 1) |
BlackRock Japan Holdings GK |
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BlackRock, Inc. (Chain 1) |
BlackRock Japan Co., Ltd. |
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BlackRock, Inc. (Chain 2) |
BlackRock Saturn Subco, LLC |
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BlackRock, Inc. (Chain 2) |
BlackRock Finance, Inc. |
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BlackRock, Inc. (Chain 2) |
Trident Merger, LLC |
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BlackRock, Inc. (Chain 2) |
BlackRock Investment Management, LLC |
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BlackRock, Inc. (Chain 3) |
BlackRock Saturn Subco, LLC |
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BlackRock, Inc. (Chain 3) |
BlackRock Finance, Inc. |
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BlackRock, Inc. (Chain 3) |
BlackRock Holdco 2, Inc. |
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BlackRock, Inc. (Chain 3) |
BlackRock Financial Management, Inc. |
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BlackRock, Inc. (Chain 3) |
BlackRock International Holdings, Inc. |
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BlackRock, Inc. (Chain 3) |
BR Jersey International Holdings L.P. |
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BlackRock, Inc. (Chain 3) |
BlackRock Holdco 3, LLC |
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BlackRock, Inc. (Chain 3) |
BlackRock Cayman 1 LP |
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BlackRock, Inc. (Chain 3) |
BlackRock Cayman West Bay Finco Limited |
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BlackRock, Inc. (Chain 3) |
BlackRock Cayman West Bay IV Limited |
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BlackRock, Inc. (Chain 3) |
BlackRock Group Limited |
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BlackRock, Inc. (Chain 3) |
BlackRock Finance Europe Limited |
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BlackRock, Inc. (Chain 3) |
BlackRock Investment Management (UK) Limited |
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BlackRock, Inc. (Chain 4) |
BlackRock Saturn Subco, LLC |
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BlackRock, Inc. (Chain 4) |
BlackRock Finance, Inc. |
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BlackRock, Inc. (Chain 4) |
BlackRock Holdco 2, Inc. |
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BlackRock, Inc. (Chain 4) |
BlackRock Financial Management, Inc. |
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BlackRock, Inc. (Chain 4) |
BlackRock International Holdings, Inc. |
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BlackRock, Inc. (Chain 4) |
BR Jersey International Holdings L.P. |
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BlackRock, Inc. (Chain 4) |
BlackRock Australia Holdco Pty. Ltd. |
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BlackRock, Inc. (Chain 4) |
BlackRock Investment Management (Australia) Limited |
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BlackRock, Inc. (Chain 5) |
BlackRock Saturn Subco, LLC |
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BlackRock, Inc. (Chain 5) |
BlackRock Finance, Inc. |
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BlackRock, Inc. (Chain 5) |
BlackRock Holdco 2, Inc. |
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BlackRock, Inc. (Chain 5) |
BlackRock Financial Management, Inc. |
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BlackRock, Inc. (Chain 5) |
BlackRock International Holdings, Inc. |
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BlackRock, Inc. (Chain 5) |
BR Jersey International Holdings L.P. |
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BlackRock, Inc. (Chain 5) |
BlackRock Holdco 3, LLC |
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BlackRock, Inc. (Chain 5) |
BlackRock Cayman 1 LP |
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BlackRock, Inc. (Chain 5) |
BlackRock Cayman West Bay Finco Limited |
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BlackRock, Inc. (Chain 5) |
BlackRock Cayman West Bay IV Limited |
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BlackRock, Inc. (Chain 5) |
BlackRock Group Limited |
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BlackRock, Inc. (Chain 5) |
BlackRock International Limited |
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BlackRock, Inc. (Chain 6) |
BlackRock Saturn Subco, LLC |
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BlackRock, Inc. (Chain 6) |
BlackRock Finance, Inc. |
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BlackRock, Inc. (Chain 6) |
BlackRock Holdco 2, Inc. |
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BlackRock, Inc. (Chain 6) |
BlackRock Financial Management, Inc. |
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BlackRock, Inc. (Chain 6) |
BlackRock Holdco 4, LLC |
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BlackRock, Inc. (Chain 6) |
BlackRock Holdco 6, LLC |
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BlackRock, Inc. (Chain 6) |
BlackRock Delaware Holdings Inc. |
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BlackRock, Inc. (Chain 6) |
BlackRock Institutional Trust Company, National Association |
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BlackRock, Inc. (Chain 7) |
BlackRock Saturn Subco, LLC |
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BlackRock, Inc. (Chain 7) |
BlackRock Finance, Inc. |
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BlackRock, Inc. (Chain 7) |
BlackRock Holdco 2, Inc. |
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BlackRock, Inc. (Chain 7) |
BlackRock Financial Management, Inc. |
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BlackRock, Inc. (Chain 7) |
BlackRock Holdco 4, LLC |
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BlackRock, Inc. (Chain 7) |
BlackRock Holdco 6, LLC |
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BlackRock, Inc. (Chain 7) |
BlackRock Delaware Holdings Inc. |
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BlackRock, Inc. (Chain 7) |
BlackRock Fund Advisors |
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BlackRock, Inc. (Chain 8) |
BlackRock Saturn Subco, LLC |
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BlackRock, Inc. (Chain 8) |
BlackRock Finance, Inc. |
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BlackRock, Inc. (Chain 8) |
BlackRock Holdco 2, Inc. |
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BlackRock, Inc. (Chain 8) |
BlackRock Financial Management, Inc. |
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BlackRock, Inc. (Chain 9) |
BlackRock Saturn Subco, LLC |
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BlackRock, Inc. (Chain 9) |
BlackRock Finance, Inc. |
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BlackRock, Inc. (Chain 9) |
BlackRock Holdco 2, Inc. |
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BlackRock, Inc. (Chain 9) |
BlackRock Financial Management, Inc. |
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BlackRock, Inc. (Chain 9) |
BlackRock International Holdings, Inc. |
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BlackRock, Inc. (Chain 9) |
BR Jersey International Holdings L.P. |
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BlackRock, Inc. (Chain 9) |
BlackRock (Singapore) Holdco Pte. Ltd. |
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BlackRock, Inc. (Chain 9) |
BlackRock HK Holdco Limited |
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BlackRock, Inc. (Chain 9) |
BlackRock Asset Management North Asia Limited |
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BlackRock, Inc. (Chain 10) |
BlackRock Saturn Subco, LLC |
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BlackRock, Inc. (Chain 10) |
BlackRock Finance, Inc. |
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BlackRock, Inc. (Chain 10) |
BlackRock Holdco 2, Inc. |
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BlackRock, Inc. (Chain 10) |
BlackRock Financial Management, Inc. |
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BlackRock, Inc. (Chain 10) |
BlackRock International Holdings, Inc. |
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BlackRock, Inc. (Chain 10) |
BR Jersey International Holdings L.P. |
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BlackRock, Inc. (Chain 10) |
BlackRock Holdco 3, LLC |
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BlackRock, Inc. (Chain 10) |
BlackRock Cayman 1 LP |
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BlackRock, Inc. (Chain 10) |
BlackRock Cayman West Bay Finco Limited |
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BlackRock, Inc. (Chain 10) |
BlackRock Cayman West Bay IV Limited |
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BlackRock, Inc. (Chain 10) |
BlackRock Group Limited |
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BlackRock, Inc. (Chain 10) |
BlackRock Finance Europe Limited |
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BlackRock, Inc. (Chain 10) |
BlackRock (Netherlands) B.V. |
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BlackRock, Inc. (Chain 10) |
BlackRock Asset Management Deutschland AG |
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BlackRock, Inc. (Chain 11) |
BlackRock Saturn Subco, LLC |
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BlackRock, Inc. (Chain 11) |
BlackRock Finance, Inc. |
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BlackRock, Inc. (Chain 11) |
BlackRock Holdco 2, Inc. |
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BlackRock, Inc. (Chain 11) |
BlackRock Financial Management, Inc. |
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BlackRock, Inc. (Chain 11) |
BlackRock International Holdings, Inc. |
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BlackRock, Inc. (Chain 11) |
BlackRock Canada Holdings ULC |
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BlackRock, Inc. (Chain 11) |
BlackRock Asset Management Canada Limited |
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BlackRock, Inc. (Chain 12) |
BlackRock Saturn Subco, LLC |
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BlackRock, Inc. (Chain 12) |
BlackRock Finance, Inc. |
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BlackRock, Inc. (Chain 12) |
BlackRock Holdco 2, Inc. |
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BlackRock, Inc. (Chain 12) |
BlackRock Financial Management, Inc. |
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BlackRock, Inc. (Chain 12) |
BlackRock Capital Holdings, Inc. |
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BlackRock, Inc. (Chain 12) |
BlackRock Advisors, LLC |
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BlackRock, Inc. (Chain 13) |
BlackRock Saturn Subco, LLC |
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BlackRock, Inc. (Chain 13) |
BlackRock Finance, Inc. |
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BlackRock, Inc. (Chain 13) |
BlackRock Holdco 2, Inc. |
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BlackRock, Inc. (Chain 13) |
BlackRock Financial Management, Inc. |
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BlackRock, Inc. (Chain 13) |
BlackRock International Holdings, Inc. |
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BlackRock, Inc. (Chain 13) |
BR Jersey International Holdings L.P. |
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BlackRock, Inc. (Chain 13) |
BlackRock Holdco 3, LLC |
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BlackRock, Inc. (Chain 13) |
BlackRock Cayman 1 LP |
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BlackRock, Inc. (Chain 13) |
BlackRock Cayman West Bay Finco Limited |
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BlackRock, Inc. (Chain 13) |
BlackRock Cayman West Bay IV Limited |
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BlackRock, Inc. (Chain 13) |
BlackRock Group Limited |
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BlackRock, Inc. (Chain 13) |
BlackRock Finance Europe Limited |
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BlackRock, Inc. (Chain 13) |
BlackRock Advisors (UK) Limited |
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BlackRock, Inc. (Chain 14) |
BlackRock Saturn Subco, LLC |
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BlackRock, Inc. (Chain 14) |
BlackRock Finance, Inc. |
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BlackRock, Inc. (Chain 14) |
BlackRock Holdco 2, Inc. |
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BlackRock, Inc. (Chain 14) |
BlackRock Financial Management, Inc. |
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BlackRock, Inc. (Chain 14) |
BlackRock International Holdings, Inc. |
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BlackRock, Inc. (Chain 14) |
BR Jersey International Holdings L.P. |
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BlackRock, Inc. (Chain 14) |
BlackRock (Singapore) Holdco Pte. Ltd. |
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BlackRock, Inc. (Chain 14) |
BlackRock (Singapore) Limited |
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BlackRock, Inc. (Chain 15) |
BlackRock Saturn Subco, LLC |
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BlackRock, Inc. (Chain 15) |
BlackRock Finance, Inc. |
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BlackRock, Inc. (Chain 15) |
BlackRock Holdco 2, Inc. |
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BlackRock, Inc. (Chain 15) |
BlackRock Financial Management, Inc. |
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BlackRock, Inc. (Chain 15) |
BlackRock International Holdings, Inc. |
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BlackRock, Inc. (Chain 15) |
BR Jersey International Holdings L.P. |
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BlackRock, Inc. (Chain 15) |
BlackRock Holdco 3, LLC |
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BlackRock, Inc. (Chain 15) |
BlackRock Cayman 1 LP |
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BlackRock, Inc. (Chain 15) |
BlackRock Cayman West Bay Finco Limited |
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BlackRock, Inc. (Chain 15) |
BlackRock Cayman West Bay IV Limited |
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BlackRock, Inc. (Chain 15) |
BlackRock Group Limited |
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BlackRock, Inc. (Chain 15) |
BlackRock Finance Europe Limited |
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BlackRock, Inc. (Chain 15) |
BlackRock (Netherlands) B.V. |
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BlackRock, Inc. (Chain 16) |
BlackRock Saturn Subco, LLC |
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BlackRock, Inc. (Chain 16) |
BlackRock Finance, Inc. |
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BlackRock, Inc. (Chain 16) |
Trident Merger, LLC |
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BlackRock, Inc. (Chain 16) |
BlackRock Investment Management, LLC |
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BlackRock, Inc. (Chain 16) |
Amethyst Intermediate, LLC |
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BlackRock, Inc. (Chain 16) |
Aperio Holdings, LLC |
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BlackRock, Inc. (Chain 16) |
Aperio Group, LLC |
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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 3650
12. Date of Completion
25th November 2025
13. Place Of Completion
12 Throgmorton Avenue, London, EC2N 2DL, U.K.