XenSource Opens Seattle-Area Development Office; XenSource Building Business Development and Engineering Teams to Support Microsoft Co-Development Agreement and Further Virtualization Offerings

Business Wire, August 28, 2006

PALO ALTO, Calif. -- XenSource, the leader in infrastructure virtualization solutions based on the open source Xen(TM) hypervisor, today announced the opening of a new office in Redmond, Washington to support their expanding company and products, and recently signed co-development agreement with Microsoft.

The new office will focus on joint technology and market development for the support of high-performance Linux virtual environments on the next version of Windows Server System, as well as the development of additional, non-GPL-based products and solutions that extend the virtualization capabilities of XenSource's XenEnterprise(TM) virtualization platform. The Redmond team will also focus on the performance and manageability of Windows virtual machines on XenEnterprise.

"Creating a presence in the Seattle area allows us to work more closely with Microsoft and attract the talent that we are looking for to help us deepen our Windows expertise," says Frank Artale, vice president of business development at XenSource. "This is an exciting time for virtualization, and we look forward to helping bring it to the Windows market, and inaugurating a new era in volume virtualization."

The new office is located at 8461 154th Avenue NE, Redmond, Washington 98052.

About XenEnterprise

XenEnterprise is a multi-OS virtualization solution for the enterprise market that offers all of the performance advantages of the Xen 3.0 hypervisor and enables enterprise IT groups to rapidly deploy Xen. Based on Xen 3.0, XenEnterprise delivers a full virtualization solution for single or multiple operating system environments. The benefits from increased server utilization result in efficiency and savings on data center management and operational costs.

XenEnterprise includes the following key features:

--Easy to use: XenEnterprise offers Xen and guest operating system installers P2V tools and a comprehensive management toolkit into a single package to enable customers to quickly build and manage a running virtualization infrastructure.

--Superior performance: XenEnterprise offers near-native performance and fine-grained resource control for guest virtual servers, and virtualizes all x86 operating systems, leveraging the hardware virtualization capabilities of Intel(R) VT and AMD(R) AMD-V enabled processors.

--Lowest Total Cost of Ownership: XenEnterprise delivers dramatic improvements in server utilization, reducing capital expenditures and infrastructure management costs.

About XenSource, Inc.

XenSource, Inc. develops software virtualization solutions based on the industry's highest performance virtualization technology, the open source Xen hypervisor. Founded and run by the original Xen development team, XenSource products allow enterprises to realize the benefits that result from server consolidation, increased utilization, and reduced complexity in the datacenter. For more information, visit www.xensource.com.