Galapagos NV — Major Shareholding Notification 2026

Mar 17, 2026

FSMA

FINANCIAL SERVICES AND

MARKETS AUTHORITY

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
Downward crossing of the lowest threshold

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)

↑ 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

10/03/2026 (DD/MM/YYYY)

8) Threshold that is crossed (in %)

0

↑ 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	12,440	12,447		0.02%
Merrill Lynch International	128,053	225,319		0.34%
Managed Account Advisors LLC	3	3		0.00%
BofA Securities, Inc.	180,123	168,740		0.26%

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Merrill Lynch, Pierce, Fenner & Smith Incorporated	14,462	14,462		0.02%
U.S. Trust Company of Delaware	121	121		0.00%
Subtotal	335,202	421,092		0.64%
TOTAL		421,092	0	0.64%	0.00%

Start with "groups" of holders. Add subtotals with $\sum_{i}$ 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			111,582	0.17%	physical
Merrill Lynch International	Rights of Use			6,579	0.01%	physical
BofA Securities, Inc.	Right to Recall			11,500	0.02%	physical
BofA Securities, Inc.	Rights of Use			1,876,489	2.85%	physical
Merrill Lynch International	Physical Call Option	19/06/2026		100,000	0.15%	physical
Bank of America, National Association	Swaps	15/04/2027		12,214	0.02%	physical
Bank of America, National Association	Swaps	29/02/2028		843	0.00%	physical
Bank of America, National Association	Swaps	15/10/2027		5	0.00%	physical
Merrill Lynch International	Swaps	15/01/2027		8,056	0.01%	physical
Merrill Lynch International	Swaps	30/04/2026		8,240	0.01%	physical
Merrill Lynch International	Swaps	02/07/2026		592	0.00%	physical
Merrill Lynch International	Swaps	01/11/2027		5,217	0.01%	physical
Merrill Lynch International	Swaps	15/04/2027		12,214	0.02%	physical
Merrill Lynch International	Swaps	30/06/2026		3,108	0.00%	physical
Merrill Lynch International	Swaps	31/03/2027		950	0.00%	physical
Merrill Lynch International	Swaps	29/01/2027		704	0.00%	physical
TOTAL				2,158,293	3.28%

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

TOTAL (A & B)	# of voting rights	% of voting rights
CALCULATE	2,579,385	3.91%

12) In case of proxy voting for only one GM

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: 12/03/2026 (DD/MM/YYYY)

Name & capacity: James Todd, Vice President

Signature: _______

For security reasons, the unsigned form in else format should be transmitted to trp.fm@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 PDF format should also be transmitted.