euro adhoc: Semperit AG Holding / Management Changes / Resignation of the Chairman of the Supervisory Board -------------------------------------------------------------------------------- Disclosure announcement transmitted by euro adhoc. The issuer is responsible for the content of this announcement. -------------------------------------------------------------------------------- 01.02.2008 Mr. Karl Schmutzer, Chairman of the Supervisory Board of Semperit AG Holding, has resigned as Chairman of the Supervisory Board with immediate effect, at his wish, for private reasons. Further inquiry note: Semperit AG Holding Sybille Bernhardt Investor Relations Tel.: +43 1 79 777-210 mailto: sybille.bernhardt@semperit.at emitter: 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, ATX Prime, ViDX stockmarkets: stock market: Börse Frankfurt, Börse Stuttgart, free trade: Börse Berlin, official market: Wiener Börse AG language: English