PARIS, France and HERNDON, Virginia, September 13 /PRNewswire-FirstCall/ -- InfoVista (Euronext: IFV, ISIN: FR0004031649, NASDAQ: IVTA), the leading service-centric performance management software company, today announced that the Company completed a transaction to purchase a block of 700,000 ordinary shares of InfoVista SA. The purchase was conducted as part of the Company's share repurchase program, approved by the Shareholders' Meeting of December 9, 2005. Following this transaction, the Company owns approximately 1.9 million treasury shares, which represents less than 10% of all shares outstanding. About InfoVista InfoVista is the Service-Centric Performance Management Software Company that assures the optimal delivery of business-critical IT services. Driven by a uniquely adaptive and real-time technology foundation, InfoVista solutions improve business effectiveness, reduce operating risk, lower cost of operations, increase agility and create competitive advantage. Eighty percent of the world's largest service providers as ranked by Fortune(R), as well as leading Global 2000 enterprises, rely on InfoVista to enhance the business value of their technology assets. Representative customers include ABN AMRO, Allstream, Banques Populaires, AXA, Banque de France, Bell Canada, British Telecom, Broadwing Communications, Cable & Wireless, Com Hem, Defense Information Systems Agency (DISA), Deloitte, Deutsche Telekom, France Telecom, Savvis Corporation, SingTel, Telefonica, and US Cellular. A Software Magazine 500 company, InfoVista stock is traded on the NASDAQ (IVTA) and on Eurolist by Euronext (FR0004031649). For more information about the company, please visit http://www.infovista.com/. Cautionary Statement for Purposes of the "Safe Harbor" Provisions of the Private Securities Litigation Reform Act of 1995: Except for historical information contained herein, the matters discussed in this news release are "forward looking statements." These statements involve risks and uncertainties which could cause actual results to differ materially from those in such forward-looking statements; including, without limitation, risks and uncertainties arising from the rapid evolution of our markets, competition, market acceptance of our products, our dependence upon spending by the telecommunications industry and our ability to develop and protect new technologies. For a description of other factors which might affect our actual results, please see the "Risk Factors" section and other disclosures in InfoVista's public filings with the US Securities & Exchange Commission and French Autorite des Marches Financiers. Readers of this news release are cautioned not to put undue reliance on any forward-looking statement. The Company undertakes no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise. InfoVista is the registered trademark of InfoVista, S.A. DATASOURCE: InfoVista CONTACT: Contact: Karena D'Arcy, Investor Relations Manager, InfoVista, +33-1-64-86-85-65,

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