HUGO BOSS AG / DE000A1PHFF7

Notification of Major Holdings

1. Details of issuer

Name:	HUGO BOSS AG
Street:	Holy-Allee 3
Postal code:	72555
City:	Metzingen Germany
Legal Entity Identifier (LEI):	529900LFVU534EBRXD13

2. Reason for notification

	Acquisition/disposal of shares with voting rights
X	Acquisition/disposal of instruments
	Change of breakdown of voting rights
	Other reason:

3. Details of person subject to the notification obligation

Legal entity: Jane Street Group, LLC City of registered office, country: Dover, United States of America (USA)

4. Names of shareholder(s)
holding directly 3% or more voting rights, if different from 3.

5. Date on which threshold was crossed or reached:

19 Sep 2025

6. Total positions

	% of voting rights attached to shares (total of 7.a.)	% of voting rights through instruments (total of 7.b.1 + 7.b.2)	Total of both in % (7.a. + 7.b.)	Total number of voting rights pursuant to Sec. 41 WpHG
New	1.52 %	2.60 %	4.13 %	70400000
Previous notification	1.84 %	5.43 %	7.27 %	/

7. Details on total positions
a. Voting rights attached to shares (Sec. 33, 34 WpHG)

ISIN	Absolute		In %
	Direct (Sec. 33 WpHG)	Indirect (Sec. 34 WpHG)	Direct (Sec. 33 WpHG)	Indirect (Sec. 34 WpHG)
DE000A1PHFF7	0	1069323	0.00 %	1.52 %
US4445601069	0	3263	0.00 %	0 %
Total	1072586		1.52 %

b.1. Instruments according to Sec. 38 (1) no. 1 WpHG

Type of instrument	Expiration or maturity date	Exercise or conversion period	Voting rights absolute	Voting rights in %
Long Call Option	17.10.2025		500	0 %
Long Call Option	19.12.2025		5600	0.01 %
Long Call Option	20.03.2026		114100	0.16 %
Long Call Option	19.06.2026		23800	0.03 %
Long Call Option	18.12.2026		100	0 %
		Total	144100	0.20 %

b.2. Instruments according to Sec. 38 (1) no. 2 WpHG

Type of instrument	Expiration or maturity date	Exercise or conversion period	Cash or physical settlement	Voting rights absolute	Voting rights in %
Short Put Option	19.12.2025		Physical	1300	0 %
Short Put Option	17.10.2025		Physical	1000	0 %
Single Stock Future	19.12.2025		Cash	1400000	1.99 %
Equity Contract for Difference			Cash	24354	0.03 %
Equity Swap	28.12.2026		Cash	22400	0.03 %
Equity Swap	29.07.2026		Cash	138621	0.20 %
Equity Swap	18.11.2026		Cash	724	0 %
Equity Swap	13.04.2026		Cash	60898	0.09 %
Equity Swap	02.06.2026		Cash	39350	0.06 %
			Total	1688647	2.40 %

8. Information in relation to the person subject to the notification obligation

	Person subject to the notification obligation is not controlled nor does it control any other undertaking(s) that directly or indirectly hold(s) an interest in the (underlying) issuer (1.).
X	Full chain of controlled undertakings starting with the ultimate controlling natural person or legal entity:

Name	% of voting rights (if at least 3% or more)	% of voting rights through instruments (if at least 5% or more)	Total of both (if at least 5% or more)
Jane Street Group, LLC	%	%	%
Jane Street Europe Limited	%	%	%
-	%	%	%
Jane Street Group,LLC	%	%	%
Jane Street Capital, LLC	%	%	%
-	%	%	%
Jane Street Group, LLC	%	%	%
JSOH, LLC	%	%	%
JSOIN (BVI), Ltd	%	%	%
-	%	%	%
Jane Street Group, LLC	%	%	%
Jane Street Global Trading, LLC	%	%	%
-	%	%	%
Jane Street Group, LLC	%	%	%
Jane Street Singapore Pte Ltd	%	%	%

9. In case of proxy voting according to Sec. 34 para. 3 WpHG
(only in case of attribution of voting rights in accordance with Sec. 34 para. 1 sent. 1 No. 6 WpHG)

Date of general meeting:
Holding total positions after general meeting (6.) after annual general meeting:

Proportion of voting rights	Proportion of instruments	Total of both
%	%	%

10. Other explanatory remarks:

Date

23 Sep 2025