Double-Take Software Inc.

Southborough, Mass. • 508-229-8483 • www.doubletake.com

Exchange and Ticker: Nasdaq: DBTK

Filing Range: 5.0M shares @ $9.0 to $11.0

Offering Price: $11.0

Close on First Day: $12.66

Offering Size: $82.5M

Shares Outstanding: 20.50M

Underwriters: Cowen & Co./ Thomas Weisel Partners LLC

Co-managers: CIBC World Markets Inc./ Pacific Crest Securities Inc.

Company Counsel: Hogan & Hartson

Manager Counsel: Wilson Sonsini Goodrich & Rosati

Auditor: Eisner LLP

Market Capitalization on 12/31/06: $264.04M

Close price at current month end: $12.88

DESCRIPTION

Company, formerly known as NSI Software, develops software and network performance and fault-tolerant tools to enable companies to recover quickly and easily from business disruptions. Company develops software that works with Novell NetWare, Microsoft Windows NT, and UNIX environments. Competitors include EMC (Legato), Neverfail, Symantec (Veritas), CA Inc. (XOsoft) and IBM Tivoli.

VENTURE BACKERS

ABS Capital Partners, Lake Street Capital (purchased stake from Dell Ventures), J&W Seligman & Co.

Sources: Thomson Financial and prospectus dated 12/15/06.