COLUMBIA, Md.--(BUSINESS WIRE)--May 30, 2008--Open source innovator and SNORT(R) creator, Sourcefire, Inc. (Nasdaq: FIRE), a leader in Enterprise Threat Management, today announced that its Board of Directors has carefully reviewed privately-held Barracuda Networks, Inc.'s unsolicited acquisition proposal and has concluded that the proposal is not in the best interests of Sourcefire and its stockholders. The Board believes that the proposal substantially undervalues Sourcefire.

Joseph Chinnici, Chairman of the Board of Sourcefire commented, "Sourcefire remains committed to maximizing stockholder value by continuing with its stated plans to complete its Chief Executive Officer transition and growing the business by executing on its strategy."

About Sourcefire

Sourcefire, Inc. (Nasdaq: FIRE), Snort creator and open source innovator, is a world leader in Enterprise Threat Management (ETM) solutions. Sourcefire is transforming the way Global 2000 organizations and government agencies manage and minimize network security risks with its 3D Approach - Discover, Determine, Defend - to securing real networks. This ETM approach equips customers with an efficient and effective layered security defense - protecting network assets before, during and after an attack. Through the years, Sourcefire has been consistently recognized for its innovation and industry leadership by customers, media and industry analysts alike - with more than 30 awards and accolades. Today, the names Sourcefire and founder Martin Roesch have grown synonymous with innovation and network security intelligence. For more information about Sourcefire, please visit http://www.sourcefire.com.

SOURCEFIRE(R), SNORT(R), the Sourcefire logo, the Snort and Pig logo, SECURITY FOR THE REAL WORLD(TM), SOURCEFIRE DEFENSE CENTER(TM), SOURCEFIRE 3D(TM), RNA(TM), DAEMONLOGGER(TM), CLAMAV(TM), SOURCEFIRE SOLUTIONS NETWORK(TM), and certain other trademarks and logos are trademarks or registered trademarks of Sourcefire, Inc. in the United States and other countries. Other company, product and service names may be trademarks or service marks of others.

Cautionary Language Concerning Forward-Looking Statements

The statements contained in this release that are not historical facts are "forward-looking statements" (as such term is defined in the Private Securities Litigation Reform Act of 1995) that involve risks and uncertainties. These statements include our plans and our expectations regarding our future financial prospects. Sourcefire cautions the reader that these forward-looking statements are only predictions and are subject to a number of both known and unknown risks and uncertainties, and actual results, performance, and/or achievements of Sourcefire may differ materially from the future results, performance, and/or achievements expressed or implied by these forward-looking statements as a result of a number of factors. These factors include, without limitation, those risks and uncertainties described from time to time in the reports filed by Sourcefire with the Securities and Exchange Commission. Sourcefire undertakes no obligation to update any forward-looking statements.

CONTACT: Media:
Welz & Weisel Communications
Tony Welz, 703-218-3555 x226
Principal
tony@w2comm.com
or
Investor:
Sourcefire, Inc.
Tania Almond, 410-423-1919
Investor Relations Officer
tania.almond@sourcefire.com

SOURCE: Sourcefire, Inc.