elumeo SE: Release according to Article 40, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution

Notification of Major Holdings

1. Details of issuer

Name:	elumeo SE
Street:	Erkelenzdamm 59/61, Portal 3b
Postal code:	10999
City:	Berlin Germany
Legal Entity Identifier (LEI):	391200KOQF8RGMZ3XK74

2. Reason for notification

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

3. Details of person subject to the notification obligation

Natural person (first name, surname): Wolfgang Boyé Date of birth: 12 Nov 1969

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

Blackflint Ltd.

5. Date on which threshold was crossed or reached:

18 Sep 2026

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	29.64 %	0 %	29.64 %	6,770,420
Previous notification	33.02 %	0 %	33.02 %	/

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)
DE000A11Q059	261,298	1,745,176	3.86 %	25.78 %
Total	2,006,474		29.64 %

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 %
				%
		Total		%

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 %
					%
			Total		%

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)
Wolfgang Boyé	29.64 %	%	29.64 %
Blackflint GmbH	29.64 %	%	29.64 %
Blackflint Ltd.	29.64 %	%	29.64 %

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

22 Sep 2026