Sourcefire Announces Termination of Hart-Scott-Rodino Act Waiting Period for Pending Acquisition by Cisco

COLUMBIA, MD--(Marketwired - Sep 4, 2013) - Sourcefire (NASDAQ: FIRE) today announced that the Hart-Scott-Rodino (HSR) review period for the pending acquisition of Sourcefire by Cisco was terminated on September 3, 2013 in advance of its scheduled expiration.

The termination of the HSR review period satisfies one of the conditions necessary for the transaction to close. Sourcefire expects that, subject to the remaining customary closing conditions, including the approval of Sourcefire's stockholders, the transaction will be completed in the fourth quarter.

Cisco and Sourcefire announced the pending acquisition on July 23, 2013 following unanimous approval by the boards of directors of both companies. The strategic combination of Cisco and Sourcefire will combine world-class products, technologies and research teams to provide continuous and pervasive advanced threat protection across the entire attack continuum -- before, during and after an attack -- and from any device to any cloud.

About Sourcefire
Sourcefire, Inc. (NASDAQ: FIRE), a world leader in intelligent cybersecurity solutions, is transforming the way global large- to mid-size organizations and government agencies manage and minimize security risks to their dynamic networks, endpoints, mobile devices and virtual environments. With solutions from a next-generation network security platform to advanced malware protection, Sourcefire's threat-centric approach provides customers with Agile Security® that delivers protection Before, During and After™ an attack. Trusted for more than 10 years, Sourcefire has earned a reputation for innovation, consistent security effectiveness and world-class research all focused on detecting, understanding and stopping threats. For more information about Sourcefire, please visit www.sourcefire.com.

Sourcefire, the Sourcefire logo, Snort, the Snort and Pig logo, Agile Security and the Agile Security logo, 'Before, During, and After,' ClamAV, FireAMP, FirePOWER, FireSIGHT 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.

Additional Information and Where You Can Find It:

In connection with the proposed acquisition by Cisco ("Parent") of Sourcefire ("the Company") pursuant to the terms of an Agreement and Plan of Merger by and among the Company, Parent, and a wholly-owned subsidiary of Parent, the Company filed a preliminary proxy statement with the Securities and Exchange Commission (the "SEC") on August 12, 2013 and will file a definitive proxy statement. Investors are urged to read the preliminary proxy statement and, when it becomes available, the definitive proxy statement (including all amendments and supplements) because they will contain important information. Investors may obtain free copies of the preliminary proxy statement and, when it becomes available, the definitive proxy statement, as well as other filings containing information about the Company, without charge, at the SEC's Internet site (http://www.sec.gov). These documents may also be obtained for free from the Company's Investor Relations web site (http://investor.sourcefire.com/) or by directing a request to the Company at: Sourcefire, Inc., 9770 Patuxent Woods Drive, Columbia, MD 21046.