nLIGHT at a Glance

17% 17% 27% 31% 35% Supplemental Information | Revenue by power level Fiber Laser Revenue by Power - Quarterly Percent of total fiber laser sales 100% 90% 80% 34% 32% 27% 22% 19% 17% 20% 14% 12% 11% 9% 14% 43% 51% 49% Low Power < 2kW 41% 70% -60% 59% 64% 61% 58% 39% 39% 35% 34% 29% 39% 32% 60% Medium Power 48% 39% 23% 2kW - 5kW 50% 43% 51% 57% 29% 26% 19% 44% 40% 49% 43% 30% 39% 45% 20% 40% 41% 36% 39% 40% 10% 0% 58% 54% 47% 49% 47% 54% 51% 50% 40% 40% 39% 40% 35% 30% High Power >6kW 27% 24% 24% 13% 14% 17% 2% 4% Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 2016 2017 2018 2019 2020 2021 2022 NLIGHT Note: Percentages may not total to 100 due to rounding. 43 23

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