nLIGHT at a Glance

Summary Financial Results | Profitability and Cash Flow Full Year and Q2 2022 $ Millions; % of Revenue Q2 2021 Q2 2022 2020 2021 Net Income (Loss) ($7.9) ($10.3) ($20.9) ($29.7) Non-GAAP Net Income (Loss)* 4.4 (3.3) 7.3 10.7 Net Income (Loss) Per Share (diluted) (0.19) (0.23) (0.55) (0.70) Non-GAAP Net Income (Loss) Per Share (diluted)* 0.09 (0.07) 0.17 0.23 Adjusted EBITDA (non-GAAP)* 6.3 0.2 18.2 22.6 Cash Flow from (used in) Operations Capital Expenditures (1.0) (4.8) 13.0 (7.4) (4.8) (7.9) (23.4) (19.3) N LIGHT * See Appendix for reconciliation to most directly comparable GAAP measure 36

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