nLIGHT Corporate Overview

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

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