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Umicore

Major Shareholding Notification Oct 16, 2025

4018_rns_2025-10-16_013d1d14-8799-44e8-8692-9e76eca38b20.pdf

Major Shareholding Notification

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Transparency notification Form TR-1 BE PART I

Status of the notification
11 Status or trie Houncauon

2) Issuer

Name UMICORE Identification number 0401-574-852

3) Reason for the notification

Acquisition or disposal of voting securities or voting rights

4) Notification by

A parent undertaking or a controlling person

5) Persons subject to the notification requirement

Name Address (for legal entities)
BlackRock, Inc. 50 Hudson Yards, New York, NY, 10001, U.S.A.
BlackRock (Singapore) Limited 20 Anson Road #18-01, Singapore, 79912, Singapore
BlackRock Advisors (UK) Limited 12 Throgmorton Avenue, London, EC2N 2DL, U.K.
BlackRock Advisors, LLC 50 Hudson Yards, New York, NY, 10001, U.S.A.
BlackRock Asset Management Canada Limited 161 Bay Street, Suite 2500, Toronto, Ontario, M5J 2S1, Canada
BlackRock Asset Management Deutschland AG Lenbachplatz 1 1st Floor, Munich, 80333-MN3, Germany
BlackRock Financial Management, Inc. 50 Hudson Yards, New York, NY, 10001, U.S.A.
BlackRock Fund Advisors 400 Howard Street, San Francisco, CA, 94105, U.S.A.
BlackRock Institutional Trust Company, National
Association
400 Howard Street, San Francisco, CA, 94105, U.S.A.
BlackRock Investment Management (Australia)
Limited
Level 37 Chifley Tower, 2 Chifley Square, Sydney NSW 2000, Australia
BlackRock Investment Management (UK) Limited 12 Throgmorton Avenue, London, EC2N 2DL, U.K.
BlackRock Investment Management, LLC 1 University Square Drive, Princeton, NJ, 8540, U.S.A.
Aperio Group, LLC 3 Harbor Dr Suite 204, Sausalito, CA 94965, U.S.A.

6) Persons that dispose of voting rights (only to be filled in if art. 7 of the Law applies)

Name Address (for legal entities)

Please continue entering the information in part II concerning the persons referred to in Sections 5 and 6

Part II

7) Date on which the threshold is crossed

10/10/2025 (DD/MM/YYYY)

8) Threshold that is crossed (in %)

f the holding has fallen below the lowest threshold, you have the option of not entering any numbers in Section 10

9) Denominator

246,400,000

10) Notified details

A) Voting rights Previous notification After the transaction
# of voting rights # of voting rights % of voting rights
Holders of voting rights Linked to securities Not linked to the
securities
Linked to
securities
Not linked to the
securities
BlackRock, Inc. 0 0 0.00%
BlackRock Advisors (UK) Limited 916,904 1,155,806 0.47%
BlackRock Asset Management Canada
Limited
120,024 120,024 0.05%
BlackRock Asset Management
Deutschland AG
0 418,746 0.17%
BlackRock Fund Advisors 2,615,705 2,613,749 1.06%
BlackRock Institutional Trust Company,
National Association
1,843,250 1,850,291 0.75%
BlackRock Investment Management
(Australia) Limited
88,616 88,616 0.04%
BlackRock Investment Management
(UK) Limited
351,487 1,358,867 0.55%
BlackRock Investment Management,
LLC
79,405 68,785 0.03%
BlackRock Japan Co., Ltd. 20 0 0.00%
Aperio Group, LLC 15,002 15,002 0.01%
Subtotal 6,030,413 7,689,886 3.12%
TOTAL 7,689,886 0 3.12% 0.00%

Start with "groups" of holders. Add subtotals with S, and then finish with the persons who are "alone". For groups, start with the ultimate controlling natural person or legal entity. The totals, subtotals and % will be updated once you have clicked on .

B) Equivalent financial instruments After th ne transaction
Holders of equivalent financial instruments Type of financial instrument Expiration date Exercise period or date # of voting rights
that may be
acquired if the
instrument is
exercised
% of voting rights Settlement
BlackRock Advisors (UK) Limited Securities Lent 37,862 0.02% physical
BlackRock Advisors, LLC Contract for Difference 2,164,393 0.88% cash
BlackRock Financial Management, Inc. Contract for Difference 596,835 0.24% cash
BlackRock Institutional Trust Company,
National Association
Contract for Difference 340,884 0.14% cash
BlackRock Investment Management (UK) Limited Contract for Difference 97,216 0.04% cash
BlackRock (Singapore) Limited Depositary Receipt 14 0.00%
BlackRock Financial Management, Inc. Depositary Receipt 7 0.00%
Aperio Group, LLC Depositary Receipt 227,488 0.09%
TOTAL 3,464,699 1.41%
The totals will be updated once you have clicked o on
TOTAL (A & B) # of voting rights % of voting rights
CALCULATE 11,154,585 4.53%
Please see the full chain of control in "Chain of Contro l" tab.
Please see the full chain of control in "Chain of Contro l" tab.
12) In case of proxy voting fo i" tab.
12) In case of proxy voting fo will cease to hold / 0 voting rights as of (DD/MM/YYYY)
0 voting rights as of (DD/MM/YYYY)
Holder
13) Additional information
or only one GM will cease to hold /
will hold again
0 voting rights as of (DD/MM/YYYY)
Holder
13) Additional information
will cease to hold /
will hold again
0 voting rights as of (DD/MM/YYYY)
Holder 13) Additional information The disclosure obligation arose due to v or only one GM oting rights attached to shares for BlackRock, Inc. goin will cease to hold /
will hold again
0 voting rights as of (DD/MM/YYYY)
Holder 13) Additional information The disclosure obligation arose due to v Done at or only one GM oting rights attached to shares for BlackRock, Inc. goin will cease to hold / will hold again 0 voting rights as of (DD/MM/YYYY)
Holder 13) Additional information The disclosure obligation arose due to v or only one GM oting rights attached to shares for BlackRock, Inc. goin will cease to hold / will hold again 0 voting rights as of (DD/MM/YYYY)

For security reasons, the unsigned form in xlsx format should be transmitted to [email protected]. You can do this manually OR if you have MS Outlook at your disposal via the "Save & Send" button.

In addition, a signed copy in PDF format should also be transmitted.

11) Full chain of controlled undertakings through which the holding is effectively held, if applicable

Name

BlackRock, Inc.

BlackRock Saturn Subco, LLC

BlackRock Finance, Inc.

Trident Merger, LLC

BlackRock Investment Management, LLC

BlackRock, Inc.

BlackRock Saturn Subco, LLC

BlackRock Finance, Inc.

BlackRock Holdco 2, Inc.

BlackRock Financial Management, Inc.

BlackRock International Holdings, Inc.

BR Jersey International Holdings L.P.

BlackRock Holdco 3, LLC

BlackRock Cayman 1 LP

BlackRock Cayman West Bay Finco Limited

BlackRock Cayman West Bay IV Limited

BlackRock Group Limited

BlackRock Finance Europe Limited

BlackRock Investment Management (UK) Limited

BlackRock, Inc.

BlackRock Saturn Subco, LLC

BlackRock Finance, Inc.

BlackRock Holdco 2, Inc.

BlackRock Financial Management, Inc.

BlackRock International Holdings, Inc.

BR Jersey International Holdings L.P.

BlackRock Australia Holdco Pty. Ltd.

BlackRock Investment Management (Australia) Limited

BlackRock, Inc.

BlackRock Saturn Subco, LLC

BlackRock Finance, Inc.

BlackRock Holdco 2, Inc.

BlackRock Financial Management, Inc.

BlackRock Holdco 4, LLC

BlackRock Holdco 6, LLC

BlackRock Delaware Holdings Inc.

BlackRock Institutional Trust Company, National Association

BlackRock, Inc.

BlackRock Saturn Subco, LLC

BlackRock Finance, Inc.

BlackRock Holdco 2, Inc.

BlackRock Financial Management, Inc.

BlackRock Holdco 4, LLC

BlackRock Holdco 6, LLC

BlackRock Delaware Holdings Inc.

BlackRock Fund Advisors

BlackRock, Inc.

BlackRock Saturn Subco, LLC

BlackRock Finance, Inc.

BlackRock Holdco 2, Inc.

BlackRock Financial Management, Inc.

BlackRock, Inc.

BlackRock Saturn Subco, LLC

BlackRock Finance, Inc.

BlackRock Holdco 2, Inc.

BlackRock Financial Management, Inc.

BlackRock International Holdings, Inc.

BR Jersey International Holdings L.P.

BlackRock Holdco 3, LLC

BlackRock Cayman 1 LP

BlackRock Cayman West Bay Finco Limited

BlackRock Cayman West Bay IV Limited

BlackRock Group Limited

BlackRock Finance Europe Limited

BlackRock (Netherlands) B.V.

BlackRock Asset Management Deutschland AG

BlackRock, Inc.

BlackRock Saturn Subco, LLC

BlackRock Finance, Inc.

BlackRock Holdco 2, Inc.

BlackRock Financial Management, Inc.

BlackRock International Holdings, Inc.

BlackRock Canada Holdings ULC

BlackRock Asset Management Canada Limited

BlackRock, Inc.

BlackRock Saturn Subco, LLC

BlackRock Finance, Inc.

BlackRock Holdco 2, Inc.

BlackRock Financial Management, Inc.

BlackRock Capital Holdings, Inc.

BlackRock Advisors, LLC

BlackRock, Inc.

BlackRock Saturn Subco, LLC

BlackRock Finance, Inc.

BlackRock Holdco 2, Inc.

BlackRock Financial Management, Inc.

BlackRock International Holdings, Inc.

BR Jersey International Holdings L.P.

BlackRock Holdco 3, LLC

BlackRock Cayman 1 LP

BlackRock Cayman West Bay Finco Limited

BlackRock Cayman West Bay IV Limited

BlackRock Group Limited

BlackRock Finance Europe Limited

BlackRock Advisors (UK) Limited

BlackRock, Inc.

BlackRock Saturn Subco, LLC

BlackRock Finance, Inc.

BlackRock Holdco 2, Inc.

BlackRock Financial Management, Inc.

BlackRock International Holdings, Inc.

BR Jersey International Holdings L.P.

BlackRock (Singapore) Holdco Pte. Ltd.

BlackRock (Singapore) Limited

BlackRock, Inc. BlackRock Saturn Subco, LLC BlackRock Finance, Inc. Trident Merger, LLC BlackRock Investment Management, LLC Amethyst Intermediate, LLC Aperio Holdings, LLC Aperio Group, LLC

J. Blumen & Re.

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