Press Release

Attune Systems Secures $19 Million in Latest Round of Funding

Santa Clara, Calif. – August 27, 2005 – Attune Systems, Inc., a provider of enterprise network file management solutions for heterogeneous storage environments, announced that it closed a Series B funding round totaling $19M. The round of funding was led by Alloy Ventures and Rock Creek Capital with participation by QTV Capital, Shoreline Venture Management and Shea Ventures. Funds from Series B will be used to scale the company, support the product development efforts and ramp up the sales and marketing organizations.

“I am proud of not only the hard work by the team, but also the powerful technology and unique solution that we have developed here at Attune,” said Alan Kessler, chief executive officer of Attune Systems. “This funding round was based upon the strength of the technology and top-caliber team we have assembled. It enables us to reach the market in a timely and effective fashion in order to deliver solutions, which address a distinct pain and the escalating file management costs facing today’s system administrators. The funding further signifies the growing awareness and general recognition of network file management (NFM) as a market segment. It is clear to me that we are in the right place at the right time.”

About Attune Systems

Attune Systems’ Network File Management (NFM) solutions reduce file management complexity for enterprise storage environments while slashing operating costs and increasing scalability, performance and security. The company’s flagship product, the Maestro File Manager™, is an NFM 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, Rock Creek Capital, Shea Ventures and Shoreline Venture Management. For more information, please call (408) 855-1015 or visit the company’s website at www.attunesystems.com.

About Alloy Ventures

Alloy Ventures is an early-stage venture capital firm. The company is currently investing out of its fifth fund, a $368 million limited partnership raised in June 2005. Each year, Alloy invests in a small number of entrepreneurial ideas and young companies, and strives to guide entrepreneurs in building successful companies by leveraging Alloy's industry expertise, operating knowledge, and extensive contacts. For more information, go to www.alloyventures.com.

About QTV Capital

QTV Capital is a private equity venture fund focused on the storage infrastructure of the enterprise. The QTV team leverages their real-world business backgrounds and deep domain expertise to help entrepreneurs create and build successful companies. Founded in March of 2000, QTV Capital invests across the storage value-chain in innovative start-ups that improve the capacity, reliability, flow, and safekeeping of data throughout the enterprise. For more information, visit www.qtvcapital.com.

About Rock Creek Capital

Rock Creek Capital is a private investment and advisory firm with offices in Jacksonville, Florida, and New York. Rock Creek invests across a range of industries, focusing on information technology and financial and business services. For more information, go to www.rockcreekpartners.com.

About Shoreline Venture Management

Shoreline Venture Management, LLC is a venture capital firm based in the San Francisco Bay Area. Shoreline was established in 1998 and invests primarily in early-stage businesses. Shoreline focuses its investments in information technology, technology infrastructure and healthcare. More information about Shoreline is available at www.shorelineventures.com.