Ad-hoc | 29 March 2004 10:29

PSI Continues Concentration on Core Business

Ad-hoc-announcement transmitted by DGAP. The issuer is solely responsible for the content of this announcement. ——————————————————————————– PSI Continues Concentration on Core Business Sale of PK Software Engineering GmbH business operations PSI AG has sold its PK Software Engineering GmbH business operations to PROSOZ Herten GmbH. PSI has thus completed another step towards the concentration in its core business of control systems for utilities, industry and public clients. As a result of changes in legislation, PSI expects further consolidation in the market for communal software solutions focusing on social security. PSI obtained a majority holding in PK Software in 2001 to strengthen its position in the market for communal software solutions. In the course of expanding its core business PSI will continue to invest in control systems for security tasks in the public sector and for IT infrastructures. PK Software Engineering GmbH obtained sales of 2.3 million euros with 17 employees in 2003 and had a balanced result. PSI AG Karsten Pierschke Communications and Investor Relations Dircksenstraße 42-44 D-10178 Berlin Tel. +49 30 2801-2727 Fax +49 30 2801-1000 eMail: KPierschke@psi.de end of ad-hoc-announcement (c)DGAP 29.03.2004 ——————————————————————————– WKN: 696822; ISIN: DE0006968225; Index: Listed: Geregelter Markt in Frankfurt (Prime Standard); Freiverkehr in Berlin- Bremen, Düsseldorf, Hamburg, Hannover und Stuttgart 291029 Mär 04