Investor Presentaiton

Mat. Proc. ons. Sustainable Growth Through Diversification Aero. SCE LS 9% 10% 3% 6% 4% $2.9B 68% Communications IM + COHERENT. Communications 48% Semi. Cap. 16% $4.1B Equip. 15% 9% Materials Proc. Aerospace 4% Life Sciences 45% $1.2B 24% Semiconductor Capital Equipment 27% ส้นเหรอวold Materials COHERENT. IIVI 6% 6% Diversification of revenue by end-market and geography Better immunity to market cycles II-VI revenue of $2.9B: LTM ending December 31, 2020; Coherent revenue of $1.2B: LTM ending January 2, 2021 IIVI Sustains strategic investments in new technology platforms II-VI Incorporated - Export Control Classification EAR99 Fuels long-term growth Page 7

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