Semperit AG Holding

Declaration of Voting Results & Voting Rights Announcements • Nov 29, 2010

EANS-Voting Rights: Semperit AG Holding / Publication of an Announcement after art. 93 BörseG with the objective of Europe-web publication

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

Release according to article 93 BörseG with the aim of a Europe-wide distribution

Person/company obliged to make the notification:

----------------------------------- Name: Legg Mason, Inc. Place: 100 Drive Baltimore, MD 21202 State: USA

According to § 93 para 2 Austrian Stock Exchange Act Semperit AG Holding announced that it has received on November 25, 2010 an announcement according to § 92 Austrian Stock Exchange Act, that Legg Mason Inc., 100 International Drive Baltimore, MD 21202, USA holds more than 5% voting shares of Semperit AG Holding. On November 23, 2010 the equity stake was 5.10% that equates to a total of 1,049,790 voting rights. The positions are held by the Group owned management companies Roye & Associates, LLC, 745 Fifth Avenue, New York, NY 10151 USA (1,037,713 or 5.04%) and Batterymarch Financial Management, Inc, John Hancock Tower, 200 Clarendon Street, Boston, MA 02116 USA (12,077 or 0.06%).

Further inquiry note: Semperit AG Holding Investor Relations Sybille Richter Tel.: +43 (1) 79 777-210 E-Mail: sybille.richter@semperit.at

issuer: Semperit AG Holding Modecenterstrasse 22 A-1030 Wien phone: +43 1 79 777-210 FAX: +43 1 79 777-602 mail: investors@semperit.at WWW: www.semperit.at sector: Synthetics & Plastics ISIN: AT0000785555 indexes: WBI, ViDX, ATX stockmarkets: stock market: Frankfurt, Stuttgart, free trade: Berlin, official market: Wien language: English

Aussendung übermittelt durch euro adhoc The European Investor Relations Service