PSI Aktiengesellschaft 13.01.2014 18:33 Dissemination of a Voting Rights Announcement, transmitted by DGAP - a company of EQS Group AG. The issuer is solely responsible for the content of this announcement. --------------------------------------------------------------------------- Correction of the release from January 09, 2014: On January 07, 2014, Standard Life Investments Limited, Edinburgh, United Kingdom has informed us according to Article 21, Section 1 of the WpHG that via shares its Voting Rights on PSI Aktiengesellschaft für Produkte und Systeme der Informationstechnologie, Berlin, Deutschland, have exceeded the 3% threshold of the Voting Rights on January 06, 2014 and on that day amounted to 3.058813% (this corresponds to 480,153 out of a total of 15,697,366 Voting Rights). According to Article 22, Section 1, Sentence 1, No. 6 of the WpHG, 3.058813% of the Voting Rights (this corresponds to 480.153 out of a total of 15,697,366 Voting Rights) is to be attributed to Standard Life Investments Limited. 13.01.2014 DGAP's Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases. Media archive at www.dgap-medientreff.de and www.dgap.de --------------------------------------------------------------------------- Language: English Company: PSI Aktiengesellschaft DircksenstraÃe 42-44 10178 Berlin Germany Internet: www.psi.de End of Announcement DGAP News-Service ---------------------------------------------------------------------------