Mantech International Corp : Evolvent Awarded Consultant Advisory and Technical Services (CATS) Contract To Provide Support Services to Air Force Medical Services

The U.S. Department of the Air Force has awarded Evolvent Technologies, a wholly-owned subsidiary of ManTech International Corporation (NASDAQ:MANT), a prime contract to provide management and professional support services for Air Force Medical Service (AFMS). CATS is a multiple-award, indefinite-delivery/indefinite-quantity (IDIQ) contract that has a five-year ordering period and a total ceiling value of $958M for all awardees. Evolvent Technologies merged with ManTech on January 6, 2012.

The AFMS mission is to develop plans, programs and procedures to support worldwide medical service missions in support of the warfighter and their families. Under the CATS contract, Evolvent will provide the AFMS with a wide range of management and professional support, technical expertise and engineering services to assist AFMS in maintaining and reengineering its operations globally.

"We are proud to serve as one of the Air Force and Air Force Medical Service's leading technology and business transformation partners," said Terry M. Ryan, president and chief operating officer of ManTech's Systems Engineering and Advanced Technology group (SEAT). "Evolvent maintains the requisite skills and experience to make AFMS projects successful. Our high-end engineers, analysts and subject matter experts are dedicated to support the AFMS mission and improve worldwide medical service infrastructure, and the CATS contract will extend our ability to make a difference for warfighters and their families."

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 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 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 future levels of expenditures for programs we support caused by budgetary pressures facing the federal government and changing mission priorities; the failure to obtain option awards or funding under the contract; risk of contract performance, modification, or termination; the failure to maintain strong relationships with other contractors; and risks associated with complex U.S. government procurement laws and regulations. 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. 25, 2011, 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.

ManTech International Corporation
Lauren Kushin, 703-218-6406
lauren.kushin@mantech.com