Umicore — Major Shareholding Notification 2025

Dec 17, 2025

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Transparency notification Form TR-1 BE PART I

Final

2) Issuer

Name UMICORE Identification number 0401-574-852

3) Reason for the notification

Acquisition or disposal of financial instruments that are treated as voting securities

³ +

4) Notification by

A parent undertaking or a controlling person

² +

5) Persons subject to the notification requirement

Name	Address (for legal entities)
Bank of America Corporation	Wilmington, D.E. (United States)	+

^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)

Part II

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

7) Date on which the threshold is crossed

11/12/2025 (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
Bank of America Corporation	0	0		0.00%
Bank of America, NA	0	0		0.00%
BofA Securities, Inc.	0	350		0.00%
Merrill Lynch, Pierce, Fenner & Smith Inc	12	12		0.00%
Merrill Lynch International	9,926	1,874,331		0.76%
Subtotal	9,938	1,874,693		0.76%

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TOTAL 1,874,693 0 0.76% 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 .

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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
Merrill Lynch International	Right to Recall			86,880	0.04%	physical	-
Merrill Lynch International	Right of Use			6,822	0.00%	physical	-
BofA Securities, Inc.	Right of Use			43,384	0.02%	physical	-
Merrill Lynch International	Physical Swap	15/12/2025		299,000	0.12%	physical	-
Bank of America, NA	Swap	15/10/2027		203,820	0.08%	cash	-
Bank of America, NA	Swap	15/12/2027		18,346	0.01%	cash	-
Bank of America, NA	Swap	26/05/2026		898,000	0.36%	cash	-
Merrill Lynch International	Swap	16/02/2026		600,000	0.24%	cash	-
Merrill Lynch International	Swap	30/09/2026		2,040	0.00%	cash	-
Merrill Lynch International	Swap	25/06/2027		8,347	0.00%	cash	-
Merrill Lynch International	Swap	16/04/2027		354,004	0.14%	cash	-
Merrill Lynch International	Swap	12/02/2026		495,793	0.20%	cash	-
Merrill Lynch International	Swap	22/01/2026		393,000	0.16%	cash	-
Merrill Lynch International	Swap	09/01/2026		622,211	0.25%	cash	-
Merrill Lynch International	Swap	26/05/2026		898,000	0.36%	cash	-
Merrill Lynch International	Swap	07/01/2026		537,789	0.22%	cash	-
Merrill Lynch International	Swap	19/01/2026		1,394,000	0.57%	cash	-
Merrill Lynch International	Swap	29/05/2026		10,248	0.00%	cash	-
Merrill Lynch International	Swap	30/01/2026		10,890	0.00%	cash	-
Merrill Lynch International	Swap	29/12/2025		2,533	0.00%	cash	+
	TOTAL			6,885,107	2.79%

The totals will be updated once you have clicked on

OTAL (A & B)		# of voting rights	% of voting rights
	CALCULATE	8,759,800	3.56%

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

Bank of America, NA, BofA Securities, Inc, Merrill Lynch, Pierce, Fenner & Smith Inc and Merrill Lynch International are controlled by "Bank
of America Corporation" ( see enclosure). Bank of America Corporation is not a controlled entity.

12) In case	of proxy	voting for	only one	GM

	DD/MM/YYYY
Holder will cease to hold / will hold again voting rights as of

13) Additional information

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Done at	London, United Kingdom
On	15/12/2025	(DD/MM/YYYY)
Nama P canacity	Komil Daiodaio Vice President

Signature Kamil Dziedzic

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In addition, a signed copy in $\underline{\mathsf{PDF}}$ format should also be transmitted.

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