CommVault Systems Inc.

Oceanport, N.J. • (732) 870-4000 • www.commvault.com

Exchange and Ticker: Nasdaq: CVLT

Filing Range: 6.1M shares @ $12.50 to $14.50

Offering Price: $14.50

Close on First Day: $17

Offering Size: $161.1M

Shares Outstanding: 41.6M

Underwriters: Credit Suisse/Goldman Sachs & Co.

Co-managers: Merrill Lynch & Co. Inc./ Thomas Weisel Partners LLC/ RBC Capital Markets/ CE Unterberg Towbin

Company Counsel: Mayer Brown Rowe & Maw

Manager Counsel: Cravath, Swaine & Moore

Auditor: Ernst & Young LLP

Market Capitalization on 9/30/06: $749.7M

Close price at current month end: $18

Company Description

Develops data storage management software for client/server computing environments. The CommVault QiNetix product suite and accompanying pro-services are based on the concept of managing and moving data based on its attributes and its environment. The company’s competitors include Epoch, Legato, OpenVision, IBM, Unisys, StorageTek, VERITAS Software, Computer Associates and Symantec.

Venture Backers

Credit Suisse Group, Dain Rauscher Corp., DLJ Merchant Banking Partners, Microsoft Corp., Putnam Health, Sprout Group, TH Lee Putnam Ventures, Van Wagoner Capital Management, Wheatley Partners.

Source: Thomson Financial