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FAIRFAX, Va.--([ BUSINESS WIRE ])--ManTech International Corporation (NASDAQ:MANT) was awarded a contract by the Space and Naval Warfare Systems Center (SSC) Atlantic to provide security engineering support services for high-value Navy and other government activities in the national capital region. The indefinite delivery, indefinite quantity, multiple-award contract is valued at $224.9 million with a one-year base period and four one-year options.

"Security needs in and around our nationas capital continue to grow, particularly with regard to high-profile government agencies"

ManTech will perform systems engineering, analysis, development, acquisition, integration, installation, testing, software development and maintenance, and integrated logistical support for anti-terrorism/force protection systems.The work will be performed in Washington, D.C.

aSecurity needs in and around our nationas capital continue to grow, particularly with regard to high-profile government agencies,a said Louis M. Addeo, president and chief operating officer of ManTechas Technical Services Group. aManTech is a leader in the implementation of technological and physical security systems and services. We look forward to applying our expertise in support of SSC Atlanticas important mission.a

About ManTech International Corporation

ManTech is a leading provider of innovative technologies and solutions for mission-critical national security programs for the intelligence community; the Department of Defense, including its health organizations; the departments of State, Homeland Security, Energy and Justice, including the Federal Bureau of Investigation (FBI); the space community; the National Oceanic and Atmospheric Administration; and other U.S. federal government customers. We provide support to critical national security programs for approximately 60 federal agencies through 1,000 current contracts. ManTech's expertise includes command, control, communications, computers, intelligence, surveillance and reconnaissance (C4ISR) lifecycle support; cyber security; global logistics support; intelligence/counter-intelligence support; information technology (IT) modernization and sustainment; systems engineering; test and evaluation; and health IT. ManTech supports major national missions, such as military readiness, terrorist threat detection, information security and border protection. 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. These forward-looking statements are inherently subject to risks and uncertainties, and actual results and outcomes may differ materially from the results and outcomes we anticipate. Factors that could cause actual results to differ materially from those we anticipate include, but are not limited to: adverse changes in U.S. government spending levels for programs we support due to budgetary constraints, changing mission priorities or other factors; government contract procurement (such as a bid protest) risks; the failure to obtain option awards, task orders or funding under the contract; risk of contract renegotiation, performance, modification, or termination; 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 Feb. 24, 2012, and from time to time in ManTech's other filings. The forward-looking statements included in this news release are only made as of the date of this press 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.

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