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

EQS Voting Rights Announcement: PSI Software SE 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 16.02.2026 / 17:51 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
	Acquisition/disposal of instruments
	Change of breakdown of voting rights
X	Other reason: Correction of the notification of 12.02.2026, published on 12.02.2026. Please see section 10 for further details

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:

09 Feb 2026