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 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, DE (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

14/11/2025 (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%
Bank of America, National Association	12,568	12,476		0.02%
Merrill Lynch International	65,070	66,430		0.10%
Managed Account Advisors LLC	3	3		0.00%
BofA Securities, Inc.	76,700	10,042		0.02%
Merrill Lynch, Pierce, Fenner & Smith Incorporated	14,462	14,462		0.02%

Subtotal	168,924 TOTAL	103,534 103,534	0	0.16% 0.16%	0.00%	+ S
U.S. Trust Company of Delaware	121	121		0.00%		- 1

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 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			195,533	0.30%	physical	-
BofA Securities, Inc.	Rights of Use			1,796,975	2.73%	physical	-
Merrill Lynch International	Rights of Use			8,679	0.01%	physical	-
Merrill Lynch International	Physical Call Option	19/06/2026		100,000	0.15%	physical	-
Bank of America, National Association	Swaps	15/10/2027		27	0.00%	cash	-
Bank of America, National Association	Swaps	15/06/2026		12,500	0.02%	cash	-
Merrill Lynch International	Swaps	30/04/2026		18,790	0.03%	cash	-
Merrill Lynch International	Swaps	02/07/2026		717	0.00%	cash	-
Merrill Lynch International	Swaps	15/10/2027		27	0.00%	cash	-
Merrill Lynch International	Swaps	01/11/2027		162	0.00%	cash	-
Merrill Lynch International	Swaps	15/06/2026		12,500	0.02%	cash	-
Merrill Lynch International	Swaps	30/01/2026		169	0.00%	cash	-
Merrill Lynch International	Swaps	17/11/2025		12,521	0.02%	cash	-
Merrill Lynch International	Swaps	28/08/2026		659	0.00%	cash	+
	TOTAL			2,159,259	3.28%

The totals will be updated once you have clicked on

TOTAL (A & B)		# of voting rights	% of voting rights
	CALCULATE	2,262,793	3.43%

$\underline{\text{11) Full chain of controlled undertakings through which the holding is effectively held}, \textit{if applicable}$

Bank of America, NA, BofA Securities, Inc, Managed Account Advisors, LLC, Merrill Lynch, Pierce, Fenner & Smith Inc, Merrill Lynch
International and U.S. Trust Company of Delaware 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	0	voting rights as of

13) Additional information

Done at	London, United Kingdom
---------	------------------------

On	19/11/2025	(DD/MM/YYYY)
Name & capacity	Frank Lui, Vice President	Signature

For security reasons, the unsigned form in xlsx format should be transmitted to tro.fin@fsma.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 $\underline{\mathsf{PDF}}$ format should also be transmitted.