Investor Presentaiton

IIVI II-VI's Global Actions with Global Impact II-VI has entered into renewable-energy contracts for 15 facilities in the U.S. and Europe, representing about 20% of our annual energy consumption. We expect to expand the program to our manufacturing sites in Asia. Clean Energy Wastewater Program Treatment Renewable Energy Clean Water Advocate STEM Environmental Resources Management II-VI Global ESG-Related Initiatives & Activities In 2021, II-VI pledged its support with a contribution of one million dollars to the II-VI Foundation for STEM education. Copyright 2021, II-VI Incorporated. All rights reserved. Page 15

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