ManTech Selected for Defense Information Systems Agency ENCORE III Award

HERNDON, Va., March 15, 2018 -- ManTech International Corporation (Nasdaq:MANT) has been named a prime contractor under the Defense Information Systems Agency (DISA) ENCORE III indefinite-delivery/indefinite-quantity (IDIQ) awards program.

ManTech's leadership in end-to-end, full life cycle IT solutions is an important factor in ongoing IT modernization efforts across the U.S. government.

As the primary contract for information technology services used by the U.S. Department of Defense and many federal agencies, ENCORE III is critical to ongoing IT modernization efforts, and has a potential value of $17.5 billion over the 10-year span of the program.

"ManTech's leadership in end-to-end, full life cycle IT solutions is an important factor in ongoing IT modernization efforts across the U.S. government," said Daniel J. Keefe, president and chief operating officer of ManTech's Mission Solutions & Services Group. "We look forward to expanding our role with an array of world class IT solutions that enhance customer missions for Defense, Intelligence and Federal Civilian customers.”

As a key player in ENCORE III, ManTech will provide a range of IT solutions that leverage the company’s proven experience in requirements analysis, test and evaluation, enterprise IT, software development and systems engineering, security engineering, operations support and IT support services.

About ManTech International Corporation

ManTech provides mission-focused technology solutions and services for U.S defense, intelligence community and federal civilian agencies. Now in our 50^th year, we excel in full-spectrum cyber, data collection & analytics, enterprise IT, systems and software engineering solutions that support national and homeland security. 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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Media Contacts:
Jim Crawford
Executive Director, External Communications
(O) 703.259.3636 (M) 571.446-7550 
[email protected]

Sue Cushing
Vice President, Corporate Marketing & Communications
(O) 703.814.8369 (M) 703.927.1482
[email protected]

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