Addition: Release of an announcement according to Article 91 BörseG (share) Flughafen Wien AG: Release according to Article 93, Section 2 BörseG with the objective of Europe-wide distribution Dissemination of a Voting Rights announcement transmitted by DGAP - a company of EquityStory AG. The issuer is solely responsible for the content of this announcement. ------------------------------------------------------------------------------ In accordance with §93 (2) of the Austrian Stock Exchange Act, it is hereby announced that Silchester International Investors Limited, London, now holds a stake of 5.07% (1,065,369 shares) in the voting rights of the company. (c)DGAP 09.11.2009 --------------------------------------------------------------------------- Language: English Company: Flughafen Wien AG Postfach 1 1300 Wien-Flughafen Österreich Internet: www.viennaairport.com End of News DGAP News-Service ---------------------------------------------------------------------------