Sourcefire to Hold Q4/Year-End Report Call

Sourcefire will release 4Q07 and full-year financial results after the market closes on February 27, 2008

COLUMBIA, Md. -- Open source innovator and SNORT ® creator, Sourcefire, Inc. (Nasdaq: FIRE), a leader in network intrusion prevention, today announced that it will release its 2007 fourth quarter and full year financial results after the market closes on Wednesday, February 27, 2008. Later that day at 5:00 p.m. Eastern Time, Sourcefire will host a conference call to review those results. A listen-only web cast of the session will be available at Those wishing to participate in the live session should use the following numbers to dial in:

Calling from the United States or Canada: 800-510-9661

Calling from other countries: 617-614-3452

Pass code: 21899639

An online replay will be available at following the completion of the live call and will remain available for at least 90 days.

Sourcefire Inc. (Nasdaq: FIRE)