InfoVista Files Semi Annual Report for the Period Ended December 31, 2009

Regulatory News:

InfoVista (Paris:IFV)(ISIN: FR0004031649), the leading provider of Service Performance Assurance solutions, today announced that it has filed its semi-annual report for the period ended December 31, 2009 with the French regulator Autorité des Marchés Financiers (AMF).

The document is available on the Company’s Investor Relations’ website www.infovista.com.

The Company has also disclosed its bi-annual information on its liquidity contract and the number of outstanding shares and voting rights as of January 31, 2010.

Pursuant to the liquidity contract announced on October 3, 2008, InfoVista had the following amount of shares and funds allocated to the liquidity account as of December 31, 2009:

• 4,104 treasury shares
• €86,112.22

In comparison, the following shares and funds were allocated to the liquidity account as of June 30, 2009:

• 11,668 treasury shares
• €52,990.34

As of January 31, 2010, InfoVista’s share capital and voting rights stood at:

* Net number of voting rights = number of voting rights attached to the shares - number of shares whose voting rights are suspended

About InfoVista

InfoVista enables managed service providers, mobile operators, broadband operators and enterprise IT organizations to ensure the availability and quality of the services they deliver at the lowest possible cost, empowering these organizations to successfully make the transformation from infrastructure providers to service providers. Our customers rely on InfoVista’s proven solutions for service and infrastructure performance management to successfully launch new and high performance services, foresee potential service issues before they impact end users, reduce customer churn, and invest appropriately. Sample customers include Bell Canada, Bharti, BNP Paribas, Cable & Wireless, Citigroup, Deutsche Telekom, JP Morgan Chase, KPN International, SFR, T-Mobile, Telefonica, and Telstra. InfoVista is traded on the Euronext Paris (FR0004031649) and can be found online at www.infovista.com.

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 French Autorité des Marchés 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 a registered trademark of InfoVista, S.A.