Directors’ Dealings | 21 May 2007 10:24

DGAP-DD: PSI AG english

Notification concerning transactions by persons performing managerial responsibilities pursuant to section 15a of the WpHG Directors’ Dealings notification transmitted by DGAP – a company of EquityStory AG. The person with duty of notification is solely responsible for the content of this announcement. —————————————————————————— Details of the person subject to the disclosure requirement Last name: Trippel First name: Karsten Position: Member of an administrative or supervisory body Information about the transaction with duty of notification Description of the financial instrument: PSI AG Shares ISIN/WKN of the financial instrument: DE0006968225 Type of transaction: Purchase Date: 18.05.2007 Price: 4.40 Currency: EUR No. of items: 1000 Total amount traded: 4400 Place: Information about the company with duty of publication Issuer: PSI AG Dirckensenstraße 42-44 10178 Berlin Germany ISIN: DE0006968225 WKN: 696822 Index: Listed: Geregelter Markt in Frankfurt (Prime Standard); Freiverkehr in Berlin-Bremen, Düsseldorf, Hamburg, Hannover und Stuttgart End of Directors’ Dealings Notification (c) DGAP 21.05.2007 ID 2299