Pfeiffer Vacuum Technology AG / Release according to article 26, section 1 WpHG with the aim of Europe-wide distribution

Pfeiffer Vacuum Technology AG / Release according to article 26, section 1 WpHG with the aim of Europe-wide distribution | Bild: © dpa

Notification of voting rights transmitted by euro adhoc. The issuer is responsible for the content of this announcement.

Announcement according to Article 21, Section 1 of the WpHG (share)

Person/company obliged to make the notification:

Name: Sun Life of Canada (U. S.) Financial Services Holdings, Inc. Place: Boston, Massachusetts State: USA

Sun Life of Canada (U. S.) Financial Services Holdings, Inc., Boston, Massachusetts, USA, notified Pfeiffer Vacuum pursuant to article 21 section 1 WpHG (“German Securities Trading Act”) that the percentage of their voting rights in our company exceeded the threshold of 3 % on August 19, 2011 and on that day amounted to 3.15 % (equalling 311,264 voting rights). These voting rights are attributed to Sun Life of Canada (U. S.) Financial Services Holdings, Inc., Boston, Massachusetts, USA, pursuant to article 22 section 1 sentence 1 nr. 691660 in connection with sentence 2 WpHG.

Asslar, August 31, 2011

Further inquiry note: Brigitte Looß

Leiterin Investor Relations

Tel.: +49 (6441) 802-346

E-Mail: Brigitte.Loos[at]pfeiffer-vacuum.de

end of announcement euro adhoc

issuer: Pfeiffer Vacuum Technology AG Berliner Str. 43 D-35614 Aßlar phone: +49 (6441) 802-0 FAX: +49 (6441) 802-202 mail: info@pfeiffer-vacuum.de WWW: http://www.pfeiffer-vacuum.de sector: Machine Manufacturing ISIN: DE0006916604 indexes: TecDAX, CDAX, HDAX, Prime All Share, DAXsector All Industrial stockmarkets: regulated dealing/prime standard: Frankfurt, free trade: Berlin, Hamburg, Stuttgart, Düsseldorf, Hannover, München language: English