Release Details

-- Launches Shanghai technical center of excellence for localized support to China market;
Enters into Master Distributor agreement with Beijing Toyou Feiji Electronics Co., Ltd. (Toyou) --

OCEANPORT, N.J. and BEIJING, CHINA — March 29, 2006 — CommVault®, a provider of Unified Data Management™ solutions, today bolstered its ability to serve global markets by establishing a representative office in China, and announced the appointment of Philip Xu as head of CommVault's China office. CommVault also has increased its investment in the rapidly-growing Chinese market by opening a native-language support center, located in Shanghai, which will provide full support and training to CommVault customers in China. The company also announced the completion of a Master Distributor agreement with Beijing Toyou Feiji Electronics co., Ltd, (Toyou), one of China's leading providers of storage solutions and professional services.

Philip Xu, CommVault's China operations general manager, will be headquartered in Shanghai. Xu's strong leadership track record in the Asia/Pacific storage software business brings proven industry expertise and reputation to the management of CommVault sales and support offices currently located in Beijing, Shanghai and Guangzhou.

"The storage software market in Asia/Pacific is forecast to have a compound annual growth rate of 16.8 percent from 2004-2009, according to projections available from industry analyst firm IDC," said Dave West, vice president of marketing and business development at CommVault. "CommVault believes the Chinese market for storage software is primed for growth. We are making the necessary investments to establish a leadership position in this fast-paced market by building a strong local presence, with experienced local managers and full native-language support capabilities. The agreement with Toyou, in addition to CommVault's existing OEM relationships with Dell and Hitachi Data Systems, are validations that CommVault's innovative QiNetix technology and unified approach to data management answer the needs of China's enterprise IT managers."

Localized product, local support and commitment
CommVault has made a strong commitment to the Chinese storage market with the development and availability of a localized, fully-supported simplified Chinese language version of its innovative CommVault QiNetix 6.1 Unified Data Management solution. Full product support and training is provided by CommVault's Shanghai support center, staffed by local, native-language storage experts.

CommVault users in China include Tencent, China's leading provider of Internet and mobile value-added services. Tencent, which integrates IM across different platforms, such as Internet, mobile and fixed line networks, also is the provider of the QQ search product, which enables users to search for web pages, pictures, music, documents and news.

"We rely on CommVault Galaxy, a component of the QiNetix suite, to backup growing stores of data from more than 100 servers," said Mr. Jiang, project manager, Tencent. "As a provider of on-demand Internet and media services, we must meet demanding RTO and RPO objectives. We are confident that Galaxy's scalability, reliability and ease of use will help us manage our explosive growth."

Zhou Zexiang, general manager, Toyou, said, "I'm very happy that Toyou has the opportunity to partner with CommVault. As a recognized leader in the global storage management software market, CommVault's innovative Unified Data Management solutions will provide users in China with better value and a technically superior, cost-effective solution. This strategic relationship will increase the abilities of both companies to support users in China with practical solutions that solve the complex data management issues they are facing today."

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, snapshot management and recovery, active data migration and archiving, e-mail compliance, enterprise service level management and reporting 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.

©2006 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. Product and company names herein may be trademarks of their respective owners.

This press release may contain forward-looking statements, including statements regarding financial projections, which are subject to risks and uncertainties, such as competitive factors, difficulties and delays inherent in the development, manufacturing, marketing and sale of software products and related services, general economic conditions and others. Statements regarding CommVault's beliefs, plans, expectations or intentions regarding the future are forward-looking statements, within the meaning of Section 27A of the Securities Act of 1933, as amended and Section 21E of the Securities Exchange Act of 1934, as amended. All such forward-looking statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Actual results may differ materially from anticipated results. CommVault does not undertake to update its forward-looking statements.