ManTech Awarded $71 Million Contract for SETA Support to the Combating Terrorism Technical Support Office (CTTSO)

FAIRFAX, Va., Feb. 12, 2016 -- The Combating Terrorism Technical Support Office (CTTSO) has awarded ManTech International Corporation (Nasdaq:MANT) a prime contract to provide contractor advisory and assistance and systems engineering and technical assistance. The cost-plus-fixed-fee task order has a 12-month base period of performance and four 12-month option periods, with a potential total value to ManTech of $71 million.

“Providing comprehensive support to CTTSO is a privilege for ManTech, and continuing this partnership is critical to developing capabilities to combat terrorism and irregular adversaries to DoD components and interagency partners,” said Daniel J. Keefe, president and chief operating officer of ManTech’s Mission Solutions & Services Group.

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 Departments of Defense, State, Homeland Security, Energy, Veterans Affairs, and Justice, including the Federal Bureau of Investigation; the health and space communities; and other U.S. federal government customers. We provide support to critical national security programs for approximately 50 federal agencies through approximately 1,000 current contracts. ManTech's expertise includes cyber security; command, control, communications, computers, intelligence, surveillance, and reconnaissance (C4ISR) solutions and services; information technology (IT) modernization and sustainment; intelligence/counter-intelligence solutions and support; systems engineering; healthcare analytics and IT; global logistics support; test and evaluation; and environmental, range, and sustainability services. ManTech supports major national missions, such as military readiness and wellness, 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 the results we anticipate include, but are not limited to, the following: failure to obtain option awards, task orders, or funding under contracts; failure to realize the full amount of our backlog; renegotiation, modification, or termination of our contracts; or failure to perform in conformity with contract terms or our expectations. These and other risk factors are more fully discussed in the section entitled "Risk Factors" in ManTech's Annual Report on Form 10-K, and, from time to time, in ManTech's other filings with the Securities and Exchange Commission.

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ManTech International Corporation
Lynn Davis, 703-259-3636
[email protected]