nLIGHT Corporate Overview

Quarterly Revenue | 89% of total Q1'22 revenue from Non-China customers Quarterly Revenue - Geography $ Millions $75 Geography Q1 22 vs. Q1 '21 Change +5% $60 $72 $69 $67 $66 $64 19% $62 $61 11% 11% China 27% -54% 28% $52 25% 31% $52 $51 $48 $46 $45 $42 $42 $44 $43 $43 33% $37 $37 41% 46% 32% 38% $35 28% 36% 33% 40% 35% $30 $30 $29 38% $25 $26 40% 43% $22 40% 40% $15 29% 41% 40% 71% 59% 60% 60% 30% 57% 50% 52% 54% 54% 81% 89% 89% 73% 72% 75% 69% 67% 68% 67% 62% 60% 65% 72% 59% Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 $0 Q1 Q2 Q3 Q4 Q1 2016 2017 N LIGHT Percentages may not total to 100 due to rounding 2018 2019 2020 Q2 Q3 Q4 Q1 2021 2022 Non-China +25% 26 26

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