Bookings of $1.1 billion , resulting in a book-to-bill ratio of 2.2 Revenues: $497 million , up 18% from third quarter of 2017 Operating Income: $29.4 million for an operating margin of 5.9% Diluted EPS: $0.55 , up 41% from third quarter of 2017 Cash Flow from Operations: $59 million or 2.7 times

HERNDON, Va., Oct. 30, 2018 (GLOBE NEWSWIRE) -- ManTech (Nasdaq: MANT) today announced a 10-year contract with the U.S. Air Force Space Command (AFSPC) totaling $158 million to provide full-spectrum security services to protect mission-critical programs.

HERNDON, Va., Oct. 15, 2018 (GLOBE NEWSWIRE) -- ManTech (Nasdaq: MANT) today announced a $45 million four-year award for the Naval Surface Warfare Center (NSWC) Crane for technical advancement of sensors used by Naval Air Systems Command (NAVAIR) in Hawkeye aircraft (PMA-231).

HERNDON, Va. , Oct. 09, 2018 (GLOBE NEWSWIRE) -- ManTech (Nasdaq: MANT) today announced that it has named Yvonne Vervaet to the new corporate position of Senior Vice President of Growth and Capabilities. Effective November 1 , Ms. Vervaet will report to president and CEO Kevin M.

HERNDON, Va., Oct. 08, 2018 (GLOBE NEWSWIRE) -- ManTech (Nasdaq: MANT) and Purdue University Global have partnered to provide Purdue Global’s first bachelor of science degree program in cloud computing for ManTech employees supporting this key capability in ManTech’s portfolio of mission-focused

HERNDON, Va. , Sept. 27, 2018 (GLOBE NEWSWIRE) -- ManTech (Nasdaq: MANT) today appointed Adam Rudo as Senior Vice President and General Manager of the company’s Security Solutions business unit (SSBU), part of ManTech’s Mission, Cyber and Intelligence Solutions (MCIS) Group .

HERNDON, Va. , Sept. 25, 2018 (GLOBE NEWSWIRE) -- ManTech International Corporation (Nasdaq: MANT) will issue its third quarter fiscal year 2018 earnings press release after close of market Thursday, November 1, 2018. Management will discuss financial results in a conference call beginning at 5

HERNDON, Va., Sept. 20, 2018 (GLOBE NEWSWIRE) -- ManTech (Nasdaq: MANT) today announced that it has been selected as an awardee on the $28 billion Information Analysis Center Multiple Award Contract (IAC MAC) by the Air Force Installation Contracting Agency (AFICA/KD) office located at Offutt Air

HERNDON, Va., Sept. 05, 2018 (GLOBE NEWSWIRE) -- ManTech (Nasdaq:MANT) today announced a $668 million GSA FEDSIM award to support the Department of Homeland Security’s Continuous Diagnostics and Mitigation (CDM) Dynamic and Evolving Federal Enterprise Network Defense (DEFEND) program.

HERNDON, Va., Aug. 21, 2018 (GLOBE NEWSWIRE) -- ManTech (Nasdaq: MANT) today announced that it has been selected as one of four companies to collaboratively develop a prototype for the U.S. Army’s Persistent Cyber Training Environment (PCTE) through an Other Transaction Agreement (OTA) with