EANS-Voting Rights: Pfeiffer Vacuum Technology AG / Release according to article 26, section 1 WpHG (Securities Trading Act) with the aim of Europe-wide distribution

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: Legg Mason, Inc.
Place: Baltimore
State: Maryland, USA

Legg Mason, Inc, Baltimore, Maryland, 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 fell below the threshold of 5 % on February 17, 2011 and on that day amounted to 4.95 % (equalling 488,131 voting rights). These voting rights are attributed to Legg Mason, Inc., Baltimore, Maryland, USA pursuant to article 22 section 1 sentence 1 nr. 6 in connection with sent. 2 WpHG. Of the following shareholder whose percentage of voting rights in Pfeiffer Vacuum Technology AG exceeds 3 % the voting rights are attributed to the notifier: The Royce Fund.

Asslar, February 18, 2011

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

Rückfragen & Kontakt:

Brigitte Looß
Leiterin Investor Relations
Tel.: +49 (6441) 802-346
E-Mail: Brigitte.Loos[at]pfeiffer-vacuum.de