4th Quarter and Full Fiscal Year 2018 Financial Results & Germane Systems Acquisition Overview

Business outlook remains strong ● ● Defense budget has increased; expected continued growth 3%+ Capitalizing on favorable industry trends - increased outsourcing, flight to quality, supply chain delayering Grow core C41, Sensor and Effector Mission Systems markets High-tech business model working extremely well Organic and M&A-driven growth outlook strong FY19 organic revenue growth expected to increase to 8% - 9% © 2018 Mercury Systems, Inc. 6

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