InfoVista to Report Q3 FY11 Results on April 26, 2011

Regulatory News:

InfoVista (Paris:IFV) (ISIN: FR0004031649), global leader of service performance assurance, today announced that it would report its third quarter fiscal year 2011 results on April 26, 2011 and hold a corresponding conference call on the same day at 9:00 a.m. (EDT) / 2:00 p.m. (UK) / 3:00 p.m. (Continental Europe). The call will be available by dialing France +33 (0)176 742 428, North America +1 631 510 7498 and +44 (0) 1452 555 566 in the UK. In each case, the access code is 58798656#.

A replay will be available shortly after the end of the call at the following numbers: France: +33 (0)176 700 244, UK: +44 (0) 1452 55 00 00, North America: +1 866 247 4222—all with access code 58798656#.

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, KPN International, Microsoft, SFR, T-Mobile, Telefonica, Telstra, and Wells Fargo. InfoVista is traded on the Euronext Paris (FR0004031649) and can be found online at www.infovista.com.