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

PSI Software SE / DE000A0Z1JH9

EQS Voting Rights Announcement: PSI Software SE


22.07.2026 / 17:40 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:	PSI Software SE
Street:	Dircksenstraße 42-44
Postal code:	10178
City:	Berlin Germany
Legal Entity Identifier (LEI):	529900OS5AIRXC3T2J37

2. Reason for notification

X	Acquisition/disposal of shares with voting rights
X	Acquisition/disposal of instruments
	Change of breakdown of voting rights
X	Other reason: Shares Tendered to public offer

3. Details of person subject to the notification obligation

Legal entity: Morgan Stanley
City of registered office, country: Wilmington, Delaware, United States of America (USA)

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

Morgan Stanley & Co. LLC

5. Date on which threshold was crossed or reached:

15 Jul 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	9.9 %	0 %	9.9 %	15697366
Previous notification	12.89 %	2.52 %	15.40 %	/

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)
DE000A0Z1JH9	0	1554403	0 %	9.9 %
Total	1554403		9.9 %

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 %
		Total	0	0 %

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 %
			Total	0	0 %

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)
Morgan Stanley	%	%	%
Morgan Stanley Capital Management, LLC	%	%	%
Morgan Stanley & Co. LLC	9.88 %	%	9.88 %
-	%	%	%
Morgan Stanley	%	%	%
Morgan Stanley International Holdings Inc.	%	%	%
Morgan Stanley International Limited	%	%	%
Morgan Stanley Investments (UK)	%	%	%
Morgan Stanley & Co. International plc	%	%	%

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:

The notification was triggered following the successful completion of the acquisition of PSI SOFTWARE SE by Warburg Pincus, resulting in a disposal of shares with voting rights and a disposal of instruments according to Sec. 38 (1) WpHG. 

Date

21 Jul 2026

---

22.07.2026 CET/CEST The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.
View original content: EQS News

---

Language:	English
Company:	PSI Software SE
	Dircksenstraße 42-44
	10178 Berlin
	Germany
Internet:	www.psi.de
LEI Code:	529900OS5AIRXC3T2J37

End of News	EQS News Service

---

2370208  22.07.2026 CET/CEST