Galapagos NV

Major Shareholding Notification • Nov 26, 2025

Transparency notification Form TR-1 BE PART I

1) Status of the notification

Final

2) Issuer

Name GALAPAGOS Identification number 0466-460-429

3) Reason for the notification

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

² - ³ +

4) Notification by

A parent undertaking or a controlling person

5) Persons subject to the notification requirement

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

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

Name	Address (for legal entities)

^A +

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

12/11/2025 (DD/MM/YYYY)

8) Threshold that is crossed (in %)

5

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

9) Denominator

65,897,071

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%	0.00%
Bank of America, National Association		12,568	0	0.02%	0.00%
Merrill Lynch International		65,070	0	0.10%	0.00%
Managed Account Advisors LLC		3	0	0.00%	0.00%
BofA Securities, Inc.		76,700	0	0.12%	0.00%
Merrill Lynch, Pierce, Fenner & Smith Incorporated		14,462	0	0.02%	0.00%

U.S. Trust Company of Delaware		121	0	0.00%	0.00%	1	-
Subtotal		168,924		0.26%		S	+
	TOTAL	168,924	0	0.26%	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 the	he 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			196,491	0.30%	physical	-
BofA Securities, Inc.	Rights of Use			2,936,452	4.46%	physical	-
Merrill Lynch International	Rights of Use			4,089	0.01%	physical	-
Merrill Lynch International	Physical Call Option	19/06/2026		100,000	0.15%	physical	-
Merrill Lynch International	Swaps	30/04/2026		19,220	0.03%	cash	-
Bank of America, National Association	Swaps	15/06/2026		12,500	0.02%	cash	-
Merrill Lynch International	Swaps	02/07/2026		744	0.00%	cash	-
Merrill Lynch International	Swaps	15/06/2026		12,500	0.02%	cash	-
Merrill Lynch International	Swaps	30/01/2026		1,434	0.00%	cash	-
Merrill Lynch International	Swaps	17/11/2025		12,521	0.02%	cash	+
	TOTAL			3,295,951	5.00%
•	The totals will be updated once you have clicked o	on
	TOTAL (A & B)			# of voting rights	% of voting rights
	. ,		CALCULATE
			CALCULATE	3,464,875	5.26%
11) Full chain of controlled υ	Bank of America, NA, BofA Securities, Inc, Managed of International and U.S. Trust Company of Delaware are Corporation is not a controlled entity.	Account Advisors, LLC	c, Merrill Lynch, Pierce
11) Full chain of controlled u	Bank of America, NA, BofA Securities, Inc, Managed of International and U.S. Trust Company of Delaware are	Account Advisors, LLC	c, Merrill Lynch, Pierce
	Bank of America, NA, BofA Securities, Inc, Managed International and U.S. Trust Company of Delaware are Corporation is not a controlled entity.	Account Advisors, LLC	c, Merrill Lynch, Pierce
11) Full chain of controlled u	Bank of America, NA, BofA Securities, Inc., Managed International and U.S. Trust Company of Delaware are Corporation is not a controlled entity.	Account Advisors, LLC	c, Merrill Lynch, Pierce			(DD/MM/YYYY	2
12) In case of proxy voting fo	Bank of America, NA, BofA Securities, Inc., Managed International and U.S. Trust Company of Delaware are Corporation is not a controlled entity.	Account Advisors, LLC e controlled by "Bank o	5, Merrill Lynch, Pierce of America Corporation		ank of America	(DD/MM/YYYY	2)
12) In case of proxy voting fo	Bank of America, NA, BofA Securities, Inc., Managed International and U.S. Trust Company of Delaware are Corporation is not a controlled entity.	Account Advisors, LLC e controlled by "Bank o	5, Merrill Lynch, Pierce of America Corporation		ank of America	(DD/MM/YYY)
12) In case of proxy voting fo	Bank of America, NA, BofA Securities, Inc., Managed International and U.S. Trust Company of Delaware are Corporation is not a controlled entity.	Account Advisors, LLC e controlled by "Bank o	5, Merrill Lynch, Pierce of America Corporation		ank of America	(DD/MM/YYYY
12) In case of proxy voting for Holder 13) Additional information	Bank of America, NA, BofA Securities, Inc, Managed International and U.S. Trust Company of Delaware are Corporation is not a controlled entity. Or only one GM	Account Advisors, LLC e controlled by "Bank o	5, Merrill Lynch, Pierce of America Corporation		ank of America	(DD/MM/YYY)
12) In case of proxy voting for Holder 13) Additional information	Bank of America, NA, BofA Securities, Inc., Managed International and U.S. Trust Company of Delaware are Corporation is not a controlled entity.	Account Advisors, LLC e controlled by "Bank o	5, Merrill Lynch, Pierce of America Corporation		ank of America	(DD/MM/YYYY	2

Name & capacity Frank Lui, Vice President

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