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: Dr. Rohner First name: Marcel Position: Member of a managing body Information about the transaction with duty of notification Description of the financial instrument: Subscription Rights ISIN/WKN of the financial instrument: CH0039913899 Type of transaction: Exercise Date: 27.05.2008 Price: 21 Currency: CHF No. of items: 184429 Total amount traded: 3873009 Place: SWX Zürich Description of the derivative Description of the underlying instrument: Registered Shares Underlying (WKN/ISIN): CH0024899483 Price multiplier: Strike price: Currency: CHF Expiration date: 09.06.2008 Explanation for publication: Subscription ratio: 7 new for every 20 existing shares. Information about the company with duty of publication Issuer: UBS AG Bahnhofstrasse 45 8001 Zürich Schweiz ISIN: CH0024899483 WKN: UB0BL6 End of Directors' Dealings Notification (c) DGAP 30.05.2008 Financial News transmitted by DGAP ID 6123
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