Second Quarter Fiscal Year 2020 Financial Results

Introduction ● ● ● ● Record revenue, backlog and profitability Positive industry environment; defense appropriations bill approved Business model performing extremely well Investing to support organic growth while delivering record results Raising total FY20 revenue, adjusted EBITDA and adjusted EPS guidance • Now expect 13-14% organic revenue growth for FY20 © 2020 Mercury Systems, Inc. 3

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