Umicore — Major Shareholding Notification 2026

Mar 9, 2026

FSMA

FINANCIAL SERVICES AND

MARKETS ACTIVITY

Transparency notification

Form TR-1 BE

PART I

1) Status of the notification

Final

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)
Amundi SA	91-93 boulevard Pasteur - 75015 Paris - France

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

26/02/2026 (DD/MM/YYYY)

8) Threshold that is crossed (in %)

3

↑

If 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

↑

Please enter the denominator before filling in the data

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
Amundi SA	0	0		0,00%
Amundi Asset Management SAS	5 396 802	7 760 713		3,15%
CPR Asset Management SA	166 399	139 120		0,06%
Societe Generale Gestion SA	26 764	0		0,00%
Subtotal	5 589 965	7 899 833		3,21%
TOTAL		7 899 833	0	3,21%	0,00%

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Start with "groups" of holders. Add subtotals with
\Sigma
, 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 .

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B) Equivalent financial instruments	After the 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
						0
TOTAL				0	0,00%

The totals will be updated once you have clicked on

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

12) In case of proxy voting for only one GM

13) Additional information

The disclosure obligation arose due to the upward crossing of 3% by Amundi SA group. Amundi has centralised the exercise of voting rights and these entities have delegated voting to the Voting & Corporate Governance team of Amundi Asset Management.

For security reasons, the unsigned form in also format should be transmitted to tro.findIfsma.be. 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.