Investor Presentaiton

6 Overview of Q4 QTD and YTD FY21 Performance Q4 Quarter-to-Date Commercial Solutions Revenue $99.2M Adjusted EBITDA $20.2M Adjusted EBITDA 20.4% Government Solutions Revenue $46.6M Adjusted EBITDA $2.4M Adjusted EBITDA 5.2% 68.0% 32.0% % of Revenue Year-to-Date Commercial Solutions Revenue $360.1M Adjusted EBITDA $66.3M Adjusted EBITDA 18.4% Government Solutions Revenue $221.5M Adjusted EBITDA $16.3M Adjusted EBITDA 7.4% 61.9% 38.1% Sales by Customer Type Domestic Domestic Q4 Financial Performance Q4 FY 2021 Revenue was $145.8 million GAAP Operating Income of $9.7 million includes: - acquisition plan expenses of $0.5 million, - restructuring costs of $1.6 million, - COVID-19 related costs of $0.5 million, - amortization of $5.3 million, - depreciation of $2.1 million, and -stock-based compensation of $6.8 million Adjusted EBITDA(¹) (non-GAAP) of $26.4 million or 18.1% of net sales 44.9% 28.0% Intl 27.1% U.S. Govt U.S. Govt 41.5% GAAP diluted net income per share of $0.28 911 23.9% 34.6% Intl Non-GAAP diluted net income per share (2) of $0.23 (1) Adjusted EBITDA represents earnings (loss) before income taxes, interest (income) and other, write-off of deferred financing costs, interest expense, amortization of stock- based compensation, amortization of intangibles, depreciation expense, estimated contract settlement costs, settlement of intellectual property litigation, acquisition plan expenses, restructuring costs, COVID-19 related costs, strategic emerging technology costs, facility exit costs and strategic alternatives analysis expenses and other. See Reconciliation of GAAP to Non-GAAP Financial Measures section of this presentation for the reconciliation of GAAP earnings per diluted share to Non-GAAP earnings per diluted share. (2) COMTECH

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