ManTech Schedules First Quarter Fiscal Year 2012 Earnings Release and Conference Call for May 3, 2012

  ManTech Schedules First Quarter Fiscal Year 2012 Earnings Release and
  Conference Call for May 3, 2012

Business Wire

FAIRFAX, Va. -- April 17, 2012

ManTech International Corporation (NASDAQ: MANT) will issue its first quarter
fiscal year 2012 earnings press release after close of market Thursday, May 3,
2012. Management will discuss financial results in a conference call beginning
at 5 p.m. Eastern.

Analysts may participate in the conference call by dialing 888-690-2876
(domestic) or 913-312-1489 (international) and entering pass code 5434113. The
conference call will be webcast simultaneously to the public through a link on
the Investor Relations section of the ManTech website

A replay of the conference call will be available by telephone approximately
two hours after conclusion of the call through May 17, 2012, by dialing
888-203-1112 (domestic) or 719-457-0820 (international) and entering pass code
5434113. In addition, a replay of the webcast will be available on the ManTech
website approximately two hours after the conclusion of the conference call.

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 and Justice,
including the Federal Bureau of Investigation; 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
modernization and sustainment, systems engineering, and test and evaluation.
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



ManTech International Corporation
Media Contact
Lauren Kushin, 703-218-6406
Investor Relations Contact
Stuart Davis, 703-218-8269
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