Sourcefire Names New Board Member

Open source innovator and SNORT ® creator, Sourcefire, Inc. (Nasdaq:FIRE), a leader in Enterprise Threat Management, today announced that it has added Michael Cristinziano to its Board of Directors.

“Michael is a software industry veteran who has been instrumental in formulating the strategy to grow Citrix’s business over the years. He brings a valuable perspective on the trends in our industry and we are excited to add him to Sourcefire’s Board of Directors,” said John C. Burris, CEO at Sourcefire.

Michael Cristinziano is Corporate Vice President, Strategic Development at Citrix Systems, Inc. (Nasdaq: CTXS), where he is responsible for several corporate finance functions, including M&A strategy and execution, technology licensing, strategic venture investments and investor relations. Michael also serves as a member of the Citrix CTO Office. Prior to joining Citrix Systems in 2003, Mr. Cristinziano was a Managing Director at Harris Nesbitt, the U.S. investment banking arm of BMO Financial Group, where he covered the networking and software industries. Before joining Harris Nesbitt in 1997, Mr. Cristinziano worked as a research analyst at Needham & Co. Prior to that he was a member of the technical staff at Bellcore. Mr. Cristinziano holds a B.S. in Electrical Engineering from Temple University, an M.S. in Systems Engineering from the University of Pennsylvania and completed post-graduate studies at Carnegie Mellon University.

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 40 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 .