ManTech Awarded $820M Contract to Support Route Clearance and IED Vehicles in Southwest Asia

ManTech International Corporation (Nasdaq:MANT) announced today that it has received an up to $820 million, two-year contract from the United States Army TACOM Life-Cycle Management Command, Program Office to support unique and specialized Route Clearance Improvised Explosive Devices (IED) detection, removal, and troop transport vehicles. ManTech is the prime contractor for the program which has a one-year base and two six month option periods. Support will be provided to PM Force Protection/PM Assured Mobility Systems. Equipment and systems supported by ManTech includes mine detection systems, mine retrieval systems, and medium and heavy mine protected vehicles. Services provided by ManTech include deployed sustainment workforce management; parts analysis and procurement; and field logistics and maintenance management. ManTech also provides system training and curriculum support; resource management; and acquisition and administrative support. Work will be performed in Southwest Asia to include Iraq and Afghanistan. "ManTech has a strong interest in sustainment of these critical assets which protect our armed forces,” said George J. Pedersen, Chairman and Chief Executive Officer, ManTech International Corporation. "We are committed to the safety and security of our troops and helping to fight the Global War On Terrorism.” "We are uniquely qualified to meet the challenges of this important time-sensitive work to support the men and women of our U.S. Armed Forces and this mission-critical equipment that must be operated and maintained in some of the most hazardous areas around the world,” said Robert A. Coleman, ManTech President and Chief Operating Officer. "Since 2003, ManTech has been the preferred contractor to maintain route clearance and countermine/counter IED systems and equipment.” About ManTech International Corporation: Headquartered in Fairfax, Virginia with more than 7,400 professionals, ManTech International Corporation is a leading provider of innovative technologies and solutions for mission-critical national security programs for the Intelligence Community; the departments of Defense, State, Homeland Security and Justice; the Space Community and other U.S. federal government customers. ManTech’s expertise includes systems engineering, systems integration, software development, enterprise architecture, cyber security, information assurance, intelligence operations and analysis support, network and critical infrastructure protection, information operations and information warfare support, information technology, communications integration, logistics and supply chain management, and service oriented architectures. The company supports the advanced telecommunications systems that are used in Operation Iraqi Freedom and in other parts of the world; has developed a secure, collaborative communications system for the U.S. Department of Homeland Security; and builds and maintains secure databases that track terrorists. The company operates in the United States and 40 countries. In 2008, BusinessWeek magazine chose ManTech for its 2008 ‘InfoTech 100’ listing representing the best performing tech companies in the world. In 2007, ManTech was named one of BusinessWeek.com’s fastest growing tech companies; to Business 2.0 magazine’s 100 Fastest Growing Technology Companies list for the second year in a row; to the Deloitte & Touche list of the 50 fastest growing technology companies in Virginia; and a GI Jobs magazine Top Ten Military Friendly Employer. Additional information on ManTech can be found at www.mantech.com. Forward-Looking Information: Statements and assumptions made in this press release, which do not address historical facts, constitute "forward-looking" statements that ManTech believes to be within the definition in the Private Securities Litigation Reform Act of 1995 and involve risks and uncertainties, many of which are outside of our control. Words such as "may,” "will,” "intends,” "should,” "expects,” "plans,” "projects,” "anticipates,” "believes,” "estimates,” "predicts,” "potential,” "continue,” or "opportunity," or the negative of these terms or words of similar import are intended to identify forward-looking statements. These forward-looking statements are subject to known and unknown risks and uncertainties, which could cause actual results to differ materially from those anticipated, including, without limitation: adverse changes in U.S. government spending priorities; failure to retain existing U.S. government contracts, win new contracts, or win recompetes; adverse results of U.S. government audits of our government contracts; risks associated with complex U.S. government procurement laws and regulations; adverse effect of contract consolidation; risk of contract performance or termination; failure to obtain option awards, task orders or funding under contracts; adverse changes in our mix of contract types; failure to successfully integrate recently acquired companies or businesses into our operations or to realize any accretive or synergistic effects from such acquisitions; failure to identify, execute or effectively integrate future acquisitions; and competition. These and other risk factors are more fully discussed in the section entitled "Risks Factors" in ManTech's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 17, 2008, and, from time to time, in ManTech's other filings with the Securities and Exchange Commission, including among others, its reports on Form 10-Q. The forward-looking statements included in this news release are only made as of the date of this news release and ManTech undertakes no obligation to publicly update any of the forward-looking statements made herein, whether as a result of new information, subsequent events or circumstances, changes in expectations or otherwise.