DGAP-Stimmrechtsanteile: PSI AG

DGAP-PVR: PSI Aktiengesellschaft für Produkte und Systeme der Informationstechnologie: Release according to Article 26, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution

PSI Aktiengesellschaft für Produkte und Systeme der Informationstechnologie

10.08.2016 11:57

Dissemination of a Voting Rights Announcement, transmitted by DGAP - a service of EQS Group AG. The issuer is solely responsible for the content of this announcement. ---------------------------------------------------------------------------

Notification of Major Holdings

1. Details of issuer

PSI Aktiengesellschaft für Produkte und Systeme der Informationstechnologie Dircksenstraße 42-44 10178 Berlin Germany

2. Reason for notification

Acquisition/disposal of shares with voting rights Acquisition/disposal of instruments Change of breakdown of voting rights X Other reason: Voluntary group notification due to restructuring

3. Details of person subject to the notification obligation

Name: City and country of registered office: RWE Aktiengesellschaft Essen Germany

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

RWE Rheinland Westfalen Netz AG (nachfolgend firmierend unter RWE Deutschland Aktiengesellschaft, nunmehr RWE Deutschland GmbH)

5. Date on which threshold was crossed or reached

07 Sep 2009

6. Total positions

% of voting % of voting rights total of total number rights attached through instruments both in % of voting to shares (total (total of 7.b.1 + (7.a. + rights of of 7.a.) 7.b.2) 7.b.) issuer Result- 17.77 % 0.00 % 17.77 % 15697366 ing situat- ion Previo- 17.77 % n/a % n/a % / us notifi- cation

7. Notified details of the resulting situation a. Voting rights attached to shares (Sec.s 21, 22 WpHG)

ISIN absolute in % direct (Sec. indirect (Sec. direct (Sec. indirect 21 WpHG) 22 WpHG) 21 WpHG) (Sec. 22 WpHG) DE000A0Z1JH9 0 2,789,999 0.00 % 17.77 % Total 2789999 17.77 %

b.1. Instruments according to Sec. 25 para. 1 No. 1 WpHG

Type of Expiration or Exercise or Voting Voting instrument maturity date conversion rights rights in period absolute % % Total %

b.2. Instruments according to Sec. 25 para. 1 No. 2 WpHG

Type of Expiration Exercise or Cash or Voting Voting instrume- or maturity conversion physical rights rights nt date period settlement absolute in % % Total %

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

Person subject to the notification obligation is not controlled and does itself not control any other undertaking(s) holding directly or indirectly 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 % of voting Total of rights (if rights through both (if at least instruments (if at least held 3% or at least held 5% held 5% or more) or more) more) RWE Aktiengesellschaft % % % RWE Beteiligungsgesellschaft % % % mbH RWE Rheinland Westfalen Netz 17.77 % % 17.77 % AG (nachfolgend firmierend unter RWE Deutschland Aktiengesellschaft, nunmehr RWE Deutschland GmbH)

9. In case of proxy voting according to Sec. 22 para. 3 WpHG

Date of general meeting: Holding position after general meeting: % (equals voting rights)

10. Other explanatory remarks:

Die RWE Energy AG ist innerhalb des RWE-Konzerns auf die RWE Aktiengesellschaft verschmolzen worden.

10.08.2016 The DGAP Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases. Archive at www.dgap.de

--------------------------------------------------------------------------- Language: English Company: PSI Aktiengesellschaft für Produkte und Systeme der Informationstechnologie Dircksenstraße 42-44 10178 Berlin Germany Internet: www.psi.de End of Announcement DGAP News-Service ---------------------------------------------------------------------------