U.S. Department of State Awards ManTech $816 Million Contract

HERNDON, Va., Nov. 27, 2017 -- ManTech International Corporation (Nasdaq:MANT) today announced an $816 million contract with the U.S. Department of State to provide wide-ranging electronic and physical security countermeasure programs that will safeguard personnel supporting State’s mission, both overseas and domestic.

Unique for its range of scope and the span of engineering and technology innovations deployed, the multi-year agreement designates ManTech to deliver omnipresent, round-the-clock technical security in an era of rising terrorist threats

“This is about protecting lives,” said Daniel J. Keefe, president and chief operating officer of ManTech’s Mission Solutions & Services Group. “We are eager to support the Office of Security Technology in order to meet the needs of Diplomatic Security and protect personnel life safety and security while keeping pace with new and evolving threats.”

The U.S. Department of State operates more than 275 posts outside the continental United States. ManTech will help reduce vulnerability and ensure a safe working environment for U.S. government employees, Foreign Service nationals, and other agency personnel assigned to or visiting a post.

About ManTech International Corporation
ManTech provides innovative technologies and solutions to mission-critical programs for the Intelligence Community; the Departments of Defense, State, Homeland Security, Health and Human Services, Veterans Affairs and Justice (including the FBI) and the space community among other U.S. government customers. We serve approximately 50 federal government agencies under 1,000+ current contracts. ManTech is committed to being a technology leader in full-spectrum cyber; enterprise IT, C4ISR; software and systems development; multi-discipline intelligence; program protection and mission assurance; test and evaluation; and, training. Additional information on ManTech can be found at www.mantech.com.

Statements in this press release that do not directly and exclusively relate to historical facts constitute “forward-looking statements” within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are subject to risks, uncertainties and other factors, many of which are outside of our control, and could cause actual results to differ materially from those we anticipate. For a written description of these factors, see the section titled “Risk Factors” in our most recent Annual Report on Form 10-K, as well as any updating information in our subsequent filings with the SEC. The forward-looking statements speak only as of the date hereof, and we disclaim any obligation to update them, whether as a result of a subsequent event or otherwise.

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