Revenue: $638 million EBITDA Margin: 11.4% Diluted EPS: $0.93, up 27% from the third quarter of 2020 Adjusted Diluted EPS: $1.01, up 22% from the third quarter of 2020 Cash Flow from Operations: $139 million (3.6 times Net Income) Bookings of $716 million resulting in a book-to-bill ratio of 1.1

Acquisition Expands Advanced Digital Engineering Capabilities Across the Department of Defense HERNDON, Va., Nov. 01, 2021 (GLOBE NEWSWIRE) -- ManTech International Corporation (Nasdaq: MANT) announced today that it has signed a definitive agreement to acquire Gryphon Technologies, a leading

HERNDON, Va., Oct. 12, 2021 (GLOBE NEWSWIRE) -- ManTech International Corporation (Nasdaq: MANT) will issue its third quarter fiscal year 2021 earnings press release after close of market Tuesday, November 2, 2021. Management will discuss financial results in a conference call beginning at 5