HYDERABAD, INDIA — September 27, 2004 — CommVault® Systems, Inc., a provider of unified data management solutions that is headquartered in Oceanport, New Jersey, USA, today announced that their wholly-owned subsidiary, CommVault Systems (India) Private Limited, has opened its India Development Center (IDC) in Hyderabad. The new IDC is a strategic expansion for CommVault as it complements the primary development center in Oceanport, NJ and leverages world-class software development talent residing in India. The IDC extends the main corporate development center in Oceanport to expand the breadth and depth of CommVault's Unified Data Management Suite.

"Our investment in India strengthens our leadership position in enterprise storage and expands our global capabilities", said Bob Hammer, Chairman and CEO, CommVault Systems. "With our new IDC, we can continue to build the QiNetix best-of-breed products that exceed our customer's needs for unified data management at the lowest possible cost."

Hyderabad, with its outstanding technology infrastructure and talented workforce, is an ideal place for CommVault to set up a remote development organization, like the India Development Center. "For the good of our customers, we are committed to make our IDC a world class development center," said Anand Prahlad, VP of Engineering, CommVault Systems. "To that end, we intend to hire, retain and develop best of breed engineers and developers to continue to deliver technology that aims to simplify, automate and unifyâ„¢ our customers' data and storage management needs."

About IDC
CommVault's IDC is located in the central business district of Hyderabad and occupies the fifth floor of Ashoka Janardhan Chambers.

About Hyderabad
Founded in 1591, Hyderabad today is India's fifth-largest city, with a population of more than 4 million. Hyderabad is gaining a reputation as a central technology and development center in India and hosts the Indian offices of high technology companies from around the world. The city offers a unique combination of office space, efficient communication networks and an excellent, highly skilled workforce.

About CommVault Systems, Inc.
CommVault Systems, Inc. provides unified data management solutions to ensure high-performance data protection, universal availability and simplified management of complex storage networks. The CommVault QiNetix suite, based on CommVault's Common Technology Engine, provides the ultimate data protection: managing data throughout its lifecycle via integrated backup/recovery, migration, archiving, replication and storage management. 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.

©2004 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.