Release Details

OCEANPORT, NJ — August 10, 2005 — CommVault®, a leading provider of Unified Data Management™ solutions, today announced that it has been positioned in the "Leaders Quadrant" in the most recent Enterprise Backup/Recovery software market Magic Quadrant analysis issued by Gartner, Inc., an independent industry research and advisory firm. Gartner, Inc.'s Magic Quadrant positions vendors in a particular market segment based on their vision and ability to execute that vision. Leader quadrant vendors like CommVault are performing well today, have a clear vision of market direction and are actively building competencies to sustain their leadership position in the market. According to Gartner, Leader quadrant vendors like CommVault have the highest combined measures of ability to execute and completeness of vision. They have the most comprehensive and scalable products and have a proven track record of financial performance and established market presence. For vision, they are perceived as thought leaders, have well-articulated plans for ease of use, how to address scalability and product breadth.

As a group, Leaders should be considered as part of most new purchase proposals and have high success rates in winning new business. They are strategic vendors, well-positioned for the continued industry consolidation. CommVault is proud to be identified as part of this elite Leader quadrant classification.

"We view our position in Gartner's Leaders' Quadrant as continued proof of CommVault's business leadership and execution against our corporate mission," said Bob Hammer, chairman and CEO of CommVault. "Our seamless unified technology, solid partnerships and strong customer commitment bolster our position and strength, providing a solid foundation for market success. This foundation, coupled with our goal of providing customers with excellent technology and support, is demonstrated by our rapid growth and industry recognition from prominent industry analysts."

CommVault QiNetix software delivers unified data management to solve today's challenges, such as exponential data growth, fast recovery of critical data, long term compliance, shrinking backup windows and rising tape costs. The software simplifies and unifies backup, snapshots, replication, HSM, archiving and compliance with policy-based control so businesses can meet IT service delivery requirements at a lower cost than before. The unique interaction and integration of QiNetix components delivers superior return on investment, better use of storage resources, higher staff productivity, maximum data availability and reduced total cost of ownership. Customers can deploy individual products or seamlessly integrate new elements into an existing CommVault solution, at a fraction of the time, effort and money required by separate point products.

For more information on this report, please refer to www.gartner.com.

About CommVault
CommVault® provides Unified Data Management™ solutions for high-performance data protection, universal availability and simplified management of data on complex storage networks. The CommVault® QiNetix™ platform, based on CommVault's Common Technology Engine, integrates Galaxy backup and recovery, point-in-time replication, hierarchical storage management, archiving for compliance, service level management and storage resource management software solutions. The QiNetix unified approach allows customers to add/integrate QiNetix components, at a fraction of the time, effort and money required by separate point products.

Information about CommVault is available on the World Wide Web at www.commvault.com or by calling (732) 870-4000. CommVault's corporate headquarters is located in Oceanport, New Jersey in the United States.

The Magic Quadrant is copyrighted July 22, 2005 by Gartner, Inc. and is reused with permission. The Magic Quadrant is a graphical representation of a marketplace at and for a specific time period. It depicts Gartner's analysis of how certain vendors measure against criteria for that marketplace, as defined by Gartner. Gartner does not endorse any vendor, product or service depicted in the Magic Quadrant, and does not advise technology users to select only those vendors placed in the "Leaders" quadrant. The Magic Quadrant is intended solely as a research tool, and is not meant to be a specific guide to action. Gartner disclaims all warranties, express or implied, with respect to this research, including any warranties of merchantability or fitness for a particular purpose.

©2005 CommVault Systems, Inc. CommVault Systems, CommVault Galaxy, CommVault QiNetix, DataMigrator, DataArchiver, QNet, CommServe StorageManager, MediaAgent, iDataAgent, CommCell and the CommVault logo are trademarks and may be registered trademarks in some jurisdictions of CommVault Systems, Inc.