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II-VI Overview II-VI ΠΙΑ IVA VA VIA B ن. C N 0 Carton wyper 16 35 Al Si P S ИВ Sulfur 30 34 31 33 Ge As Se Selenium "TWO SIX" | Refers to groups II and VI of the Periodic Table of Elements Zn Zinc Ga Cd Cadmium 24 In wwwww Sn Europe China 21% 22% North America Regions Q1 FY2019 Revenue 8% 10% Japan ROW 39% Core Competency ENGINEERED MATERIALS Photonics II-VI Laser 43% Segments Q1 FY2019 Revenue 34% solutions Products 23% II-VI Performance P 11,500+ Worldwide employees Industrial Sb Te Tellurium Optical Communic 28% Markets Q1 FY2019 Revenue 41% Other O Semi. Equip. 11% Military Life Science 52 14 | $ Worldwide Locations Countries 314.4M Q1 FY2019 Revenue Page 3

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