FY24 Q2 Financial Outlook

ENVIRONMENTAL, SOCIAL, AND GOVERNANCE (ESG) IS A PRIORITY SUSTAINABLE. CARBON FOOTPRINT REDUCTION ■ >50% of all energy requirements worldwide are procured from renewable sources ■ 100% renewable electricity for all sites in Europe ■ Numerous energy efficiency projects completed, saving over 26 million kWh of energy per year Percentage of Energy Usage from Renewable Sources 60% 50% 40% 30% 20% INCLUSIVE. ENGAGED EMPLOYEES ■ Expanded our diversity, equity, and inclusion efforts ■ Streamlined talent management processes to improve the experience for both managers and employees ☐ Multiple philanthropic projects in communities where Coherent operates around the globe COMMUNITY Expand Our Impact Foster Inclusion and Belonging Embrace Diverse Perspectives I CARE Increase Representation Elevate Equity CULTURE PRINCIPLED. MANAGED TO ESG STANDARDS ■ Committed to comply with the Responsible Business Alliance Code of Conduct ■ Over two dozen ESG related policies updated and standardized globally BOARD OVERSIGHT ■ 13 of 14 (93%) of Board members are independent ■ All of our Board committees are independent ■ 10 of 14 (71%) of Board members joined within past 5 years ■ 4 of 14 (29%) are female ■ 8 of 14 (57%) of Board members are female and/or ethnically diverse INNOVATIVE. PRODUCTS AND TECHNOLOGY Investing to help the world reduce energy use and transition to cleaner energy solutions, including: ■ Silicon Carbide for power electronics ☐ Battery manufacturing for e- mobility and energy storage at scale ■ Advanced materials for battery production and recycling 10% 0% FY21 FY22 FY23 COHERENT COMMITMENT Copyright 2023, Coherent. All rights reserved. 7

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