Voting rights Announcements | 31 March 2025 13:57

Warburg Pincus & Co., New York, United States of America (USA)

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

31.03.2025 / 13:57 CET/CEST
Dissemination of a Voting Rights Announcement transmitted by EQS News – a service of EQS Group.
The issuer is solely responsible for the content of this announcement.

Notification of Major Holdings

1. Details of issuer

Name:	IONOS Group SE
Street:	Elgendorfer Straße 57
Postal code:	56410
City:	Montabaur Germany
Legal Entity Identifier (LEI):	391200NQNTF0AP2MP438

2. Reason for notification

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

3. Details of person subject to the notification obligation

Legal entity: Warburg Pincus & Co.
City of registered office, country: New York, 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:

27 March 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	0.00 %	0.00 %	0.00 %	140000000
Previous notification	8.66 %	0.00 %	8.66 %	/

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)
DE000A3E00M1	0	0	0.00 %	0.00 %
Total	0		0.00 %

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 %
			0	0.00 %
		Total	0	0.00 %

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 %
				0	0.00 %
			Total	0	0.00 %

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)
Warburg Pincus & Co.	%	%	%
Warburg Pincus Partners GP LLC	%	%	%
Warburg Pincus Partners II, L.P.	%	%	%
WP Global LLC	%	%	%
Warburg Pincus XII, L.P.	%	%	%
Warburg Pincus Private Equity XII, L.P.	%	%	%
WP XII International Holdings LLC	%	%	%
WP Equity XII Investments S.à r.l.	%	%	%
WP XII Venture Holdings S.à r.l.	%	%	%
WP XII Venture Holdings II (GP) S.à r.l.	%	%	%
WP XII Venture Holdings II SCSp	%	%	%
–	%	%	%
Warburg Pincus & Co.	%	%	%
Warburg Pincus Partners GP LLC	%	%	%
Warburg Pincus Partners II, L.P.	%	%	%
WP Global LLC	%	%	%
Warburg Pincus XII, L.P.	%	%	%
Warburg Pincus Private Equity XII-B, L.P.	%	%	%
WP XII International Holdings LLC	%	%	%
WP Equity XII Investments S.à r.l.	%	%	%
WP XII Venture Holdings S.à r.l.	%	%	%
WP XII Venture Holdings II (GP) S.à r.l.	%	%	%
WP XII Venture Holdings II SCSp	%	%	%
–	%	%	%
Warburg Pincus & Co.	%	%	%
Warburg Pincus Partners GP LLC	%	%	%
Warburg Pincus Partners II, L.P.	%	%	%
WP Global LLC	%	%	%
Warburg Pincus XII, L.P.	%	%	%
Warburg Pincus XII Partners, L.P.	%	%	%
WP XII International Holdings LLC	%	%	%
WP Equity XII Investments S.à r.l.	%	%	%
WP XII Venture Holdings S.à r.l.	%	%	%
WP XII Venture Holdings II (GP) S.à r.l.	%	%	%
WP XII Venture Holdings II SCSp	%	%	%
–	%	%	%
Warburg Pincus & Co.	%	%	%
Warburg Pincus Partners GP LLC	%	%	%
Warburg Pincus Partners II, L.P.	%	%	%
WP Global LLC	%	%	%
Warburg Pincus XII, L.P.	%	%	%
WP XII Partners, L.P.	%	%	%
WP XII International Holdings LLC	%	%	%
WP Equity XII Investments S.à r.l.	%	%	%
WP XII Venture Holdings S.à r.l.	%	%	%
WP XII Venture Holdings II (GP) S.à r.l.	%	%	%
WP XII Venture Holdings II SCSp	%	%	%
–	%	%	%
Warburg Pincus & Co.	%	%	%
Warburg Pincus Partners GP LLC	%	%	%
Warburg Pincus Partners II, L.P.	%	%	%
WP Global LLC	%	%	%
Warburg Pincus XII, L.P.	%	%	%
Warburg Pincus Private Equity XII-D, L.P.	%	%	%
WP XII International Holdings LLC	%	%	%
WP Equity XII Investments S.à r.l.	%	%	%
WP XII Venture Holdings S.à r.l.	%	%	%
WP XII Venture Holdings II (GP) S.à r.l.	%	%	%
WP XII Venture Holdings II SCSp	%	%	%
–	%	%	%
Warburg Pincus & Co.	%	%	%
Warburg Pincus Partners GP LLC	%	%	%
Warburg Pincus Partners II, L.P.	%	%	%
WP Global LLC	%	%	%
Warburg Pincus XII, L.P.	%	%	%
Warburg Pincus Private Equity XII-E, L.P.	%	%	%
WP XII International Holdings LLC	%	%	%
WP Equity XII Investments S.à r.l.	%	%	%
WP XII Venture Holdings S.à r.l.	%	%	%
WP XII Venture Holdings II (GP) S.à r.l.	%	%	%
WP XII Venture Holdings II SCSp	%	%	%

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

31 March 2025

31.03.2025 CET/CEST The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.
Archive at www.eqs-news.com

Language:	English
Company:	IONOS Group SE
	Elgendorfer Straße 57
	56410 Montabaur
	Germany

End of News EQS News Service

2109222  31.03.2025 CET/CEST