Press Release

Attune Systems Exhibits Windows-Based File Virtualization in Microsoft Partner Pavilion at Storage Decisions

Santa Clara, Calif. – September 20, 2006 – Attune Systems, Inc., a provider of enterprise-class network file management solutions, will exhibit at Storage Decisions in New York, September 27-29, in the Microsoft Partner Pavilion. Last month, Attune announced that it has become a Microsoft OEM partner, showing once more its commitment to providing robust, scalable and highly reliable file virtualization solutions for Windows and Windows Storage Server environments.

Attune’s NAS virtualization appliance, the Maestro File Manager FM5500™, gives system administrators the ability to gradually deploy the latest NAS virtualization solutions and provide global namespace across their existing, heterogeneous file storage infrastructures, thereby reducing cost and simplifying management without disrupting user activities. Maestro supports three concurrent operational stages: out-of-band discovery, native mode and extended mode. It also includes detailed resource discovery, alerts, reporting and proactive intervention to avoid disruption and maintain business continuity.

About Attune Systems

Attune Systems’ Network File Management solutions reduce file management complexity for enterprise storage environments while slashing operating costs and increasing scalability. The company’s flagship product, the Maestro File Manager, is a file virtualization appliance that helps IT administrators discover, analyze, manage and optimize their existing, heterogeneous file storage resources without impacting end users. Attune’s investors include Alloy Ventures, QTV Capital, Shea Ventures, Rock Creek Capital, and Shoreline Venture Management. For more information, please call 877-GO-ATTUNE (877-462-8886) or visit the company’s website at www.attunesystems.com.

Attune and Maestro File Manager are trademarks or registered trademarks of Attune Systems, Inc. All other brands or products are trademarks or registered trademarks of their respective holders and should be treated as such.