Investor Presentaiton

Segment Revenue by End Markets for Q1FY19 II-VI End Market Distribution of Q1FY19 Revenue Reported Segments Q1FY18 Revenue Q1FY19 Revenue Q1FY19 Op Margin GAAP Q1FY19/ Q1FY18 Revenue Growth Industrial (Automotive) Fiber Optic & Wireless Comm. Military Semi Cap Life Science, Consumer, Other 61% Laser Solutions $88M $106M 12% 20% 13% 4% 8% 14% (1%) Photonics $116M $135M 12% 16% 11% 79% 0% 3% 7% 19% Performance Products $58M $73M 12% 26% 12% 40% 18% 11% (7%) 30% II-VI Consolidated $262M $314M 12% 20% 41% 11% 8% 10% (2%) Page 22

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