PALO ALTO, CA and PARIS -- (MARKET WIRE) -- 11/14/06 -- Xcalia (www.xcalia.com), a leading provider of dynamic integration software, today announced its participation in the Interop Vendor Alliance, an industry-wide group working to connect people, data and diverse systems through better interoperability with Microsoft systems.

"As a SOA vendor that serves large enterprise customers with heterogeneous applications and data sources in high-volume transactional environments, Xcalia will provide valuable industry perspective in the Interop Vendor Alliance," said Sam Rosenbalm, Business Development Manager at Microsoft. "We look forward to Xcalia's contribution as we continue to develop solutions for real-world interoperability, which will save our clients considerable time and money, and help their IT systems react to business changes much faster."

"We are pleased to join the Interop Vendor Alliance, which is in line with Xcalia's mission to provide environment and architecture interoperability. Together with other leading software vendors, we take one more step towards delivering on the IT industry's promise of bringing together heterogeneous data sources and computing environments for businesses across the world," said Pierre Violo, Chairman & CEO of Xcalia. "As proof of our commitment to this initiative, Xcalia recently announced a Xcalia Intermediation solution enabling enterprises to make Java and .NET environments interoperable."

Xcalia develops and markets Xcalia Intermediation Core(TM) and the Xcalia Intermediation Platform(TM), service-oriented software solutions which utilize a new approach to creating and managing composite applications and their modern and legacy data resources. Through Intermediation, a layer between the business model and the data/service resources, composite applications can be assembled faster and easier to meet changing business demands. This capability enables interoperability, faster development and deployment of applications and services, and reduced cost of future SOA, legacy integration and migration projects.

About the Interop Vendor Alliance

Formed in 2006, the Interop Vendor Alliance is an industry-wide group working to connect people, data and diverse systems through better interoperability with Microsoft systems. Founding members include AMD, BEA Systems, Business Objects, CA, The Carbon Project, Centeris, Citrix Systems, GXS, IP Commerce, JNBridge, Kernel Networks, Levi, Ray & Shoup, Microsoft, NEC, Network Appliance, Novell, Q4bis, Quest Software, Siemens Enterprise Communications, Software AG, SugarCRM, Sun Microsystems, Symphony Services, Xcalia, and XenSource. Additional information about the Interop Vendor Alliance can be found on the Interop Vendor Alliance Web site at http://www.interopvendoralliance.org.

About Xcalia

Xcalia's dynamic integration software makes it easier for enterprises to build composite applications in SOAs while reusing valuable information resources, optimizing IT investments and reducing operating costs. Through Intermediation, a layer between the business model and the data/services resources, applications can be created or updated quickly to meet changing business demands. Xcalia is ideal for high-performance transactional applications that also need to reuse legacy and mainframe resources with maximum interoperability in any environment. Xcalia, headquartered in Paris, France, has offices in the U.S. and Germany, and counts 20 large enterprises among its customers. The company is privately held. For more on Xcalia, visit www.xcalia.com.

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