RIB Software AG 04.03.2013 09:58 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. --------------------------------------------------------------------------- Correction: Notification of Voting Rights from 01.03.2013 On March 01, 2013, Hasso Plattner Ventures Management GmbH, Potsdam, Deutschland has informed us according to Article 21, Section 1 of the WpHG that via shares its Voting Rights on RIB Software AG, Stuttgart, Deutschland, have fallen below the 3% threshold of the Voting Rights on February 28, 2013 and on that day amounted to 0% (this corresponds to 0 Voting Rights). 04.03.2013 DGAP's Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases. Media archive at www.dgap-medientreff.de and www.dgap.de --------------------------------------------------------------------------- Language: English Company: RIB Software AG Vaihinger Str. 151 70567 Stuttgart Germany Internet: www.rib-software.com End of Announcement DGAP News-Service ---------------------------------------------------------------------------