Nemetschek AG / Offer Release of an Ad hoc announcement according to § 15 WpHG, transmitted by DGAP - a company of EquityStory AG. The issuer is solely responsible for the content of this announcement. ---------------------------------------------------------------------- Munich / Budapest, March 22, 2007 – After completion of the public offer submitted to the Graphisoft shareholders, Nemetschek now owns 90.6 percent of the shares of Graphisoft SE (ISIN HU0000080767). The offer was well received, as expected, after endorsement by the Graphisoft management on February 1, 2007. Shareholders transferred 3.85 million shares during the acceptance period. This represents 36.3 percent of the total 10.6 million Graphisoft shares. Nemetschek now has 93.7 percent of the voting rights in Graphisoft SE. Nemetschek has already had a majority interest of 54.3 percent in Graphisoft since December 31, 2006. Due to legal regulations, Nemetschek submitted a public takeover offer on the same terms (2.273 HUF per share, which corresponds to 9 euros per share) for the Graphisoft shareholders. The offer ran from February 4 to March 21, 2007. The purchase price will be paid within 5 business days. The trading agents for the transaction are WestLB Hungaria Zrt. and Erste Befektetesi Zrt. (member of Erste Bank group), while Rein and Partners Freshfields Bruckhaus Deringer acted as the legal advisor for the transaction. About Nemetschek The Nemetschek Group is a leading international IT company in the AEC sector (Architecture, Engineering, Construction). The software company develops integrated solutions for the complete life cycle of buildings and real estate – from building design and construction through to facility management. The company’s products are currently used by more than 270,000 companies in 142 countries and in 16 languages to optimize the complete building creation and management process in terms of quality, cost and time. Nemetschek was founded in 1963 by Prof. Nemetschek and has more than 1,000 employees worldwide (2007). Nemetschek AG Maren Moisl Investor Relations Tel. +49 89 – 9 27 93 1219 Fax +49 89 – 9 27 93 5404 mmoisl@nemetschek.de DGAP 22.03.2007 ---------------------------------------------------------------------- Language: English Issuer: Nemetschek AG Konrad-Zuse-Platz 1 81829 München Deutschland Phone: +49 (0)89 92 793-0 Fax: +49 (0)89 927 93-5200 E-mail: investorrelations@nemetschek.de www: www.nemetschek.de ISIN: DE0006452907 WKN: 645290 Indices: Listed: Geregelter Markt in Frankfurt (Prime Standard); Freiverkehr in Berlin-Bremen, Stuttgart, München, Hamburg, Düsseldorf End of News DGAP News-Service ---------------------------------------------------------------------------