CommVault Named to Deloitte's Technology Fast 50 Program for New Jersey

August 29, 2007

Industry Demand for Data and Information Management Solutions Fuels CommVault's Revenue Growth

OCEANPORT, N.J., Aug 29, 2007 (BUSINESS WIRE) --

CommVault(R) (NASDAQ:CVLT) today announced that it has been named to Deloitte's prestigious Technology Fast 50 Program for New Jersey, a ranking of the 50 fastest growing technology, media, telecommunications and life sciences companies in New Jersey by Deloitte & Touche USA LLP, one of the nation's leading professional services organizations. Rankings are based on the percentage revenue growth over five fiscal years from 2002-2006.

CommVault's president and CEO, Bob Hammer credits the growing need for cost effective data and information management solutions with the company's 255 percent revenue growth from fiscal years 2002-2006. Hammer added, "To be recognized by a prestigious organization such as Deloitte as one of the fastest growing companies in our region is a testament to the efforts of our employees and partners. CommVault's Simpana(TM) software suite helps our customers reduce the complexity of managing data today and addresses the industry need for cost-effective compliance and disaster recovery solutions."

To qualify for the New Jersey Technology Fast 50, companies must have had operating revenues of at least $50,000 in 2002 and $5,000,000 in 2006, be headquartered in New Jersey, and be a company that owns proprietary technology or proprietary intellectual property that contributes to a significant portion of the company's operating revenues; or devotes a significant proportion of revenues to the research and development of technology.

"Deloitte's New Jersey Technology Fast 50 companies have shown the strength, vision and tenacity to succeed in today's very competitive technology environment," said Paul Mlynaski, Partner, Deloitte Tax LLP in New Jersey. "We applaud the successes of CommVault and acknowledge it as one of the very few to accomplish such a fast growth rate over the past five years."

Companies from the 16 regional Technology Fast 50 programs in the United States and Canada are automatically entered in Deloitte's Technology Fast 500 program, which ranks North America's top 500 fastest growing technology, media, telecommunications and life sciences companies. For more information on Deloitte's Technology Fast 50 or Technology Fast 500 programs, visit www.fast500.com.

About Deloitte

Deloitte refers to one or more of Deloitte Touche Tohmatsu, a Swiss Verein, its member firms and their respective subsidiaries and affiliates. As a Swiss Verein (association), neither Deloitte Touche Tohmatsu nor any of its member firms has any liability for each other's acts or omissions. Each of the member firms is a separate and independent legal entity operating under the names "Deloitte", "Deloitte & Touche", "Deloitte Touche Tohmatsu" or other related names. Services are provided by the member firms or their subsidiaries or affiliates and not by the Deloitte Touche Tohmatsu Verein. Deloitte & Touche USA LLP is the US member firm of Deloitte Touche Tohmatsu. In the US, services are provided by the subsidiaries of Deloitte & Touche USA LLP (Deloitte & Touche LLP, Deloitte Consulting LLP, Deloitte Financial Advisory Services LLP, Deloitte Tax LLP and their subsidiaries), and not by Deloitte & Touche USA LLP.

About CommVault(R)

A singular vision - a belief in a better way to address current and future data management needs - guides CommVault in the development of Singular Information Management(TM) solutions for high-performance data protection, universal availability and simplified management of data on complex storage networks. CommVault's exclusive single-platform architecture gives companies unprecedented control over data growth, costs and risk. CommVault's software was designed to work together seamlessly from the ground up, sharing a single code and common function set, to deliver superlative Data Protection, Archive, Replication, Search and Resource Management. More companies every day join those who have discovered the unparalleled efficiency, performance, reliability, and control only CommVault can offer. Information about CommVault is available at www.commvault.com. CommVault's corporate headquarters is located in Oceanport, New Jersey in the United States. (cvlt-co)

Safe Harbor Statement

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.

(C)1999-2007 CommVault Systems, Inc. All rights reserved. CommVault, CommVault and logo, the "CV" logo, CommVault Systems, Solving Forward, SIM, Singular Information Management, Simpana, CommVault Galaxy, Unified Data Management, QiNetix, Quick Recovery, QR, GridStor, Vault Tracker, QuickSnap, QSnap, Recovery Director, CommServe, CommCell, and InnerVault are trademarks or registered trademarks of CommVault Systems, Inc. All other third party brands, products, service names, trademarks, or registered service marks are the property of and used to identify the products or services of their respective owners. All specifications are subject to change without notice.

SOURCE: CommVault

CommVault
Media Contact:
Dani Kenison, 732-728-5370
pr@commvault.com
Investor Relations Contact:
Michael Picariello, 732-728-5380
ir@commvault.com
or
Deloitte Services, LP Media Contact:
Deloitte & Touche
Richard R. Shippee, 212-436-3347
rshippee@deloitte.com