Reconciliation of GAAP Measures to Non-GAAP Measures

CORPORATE RESPONSIBILITY CARBON FOOTPRINT REDUCTION IS A PRIORITY ■ As of June 30, 2022 Coherent purchases 38% of our electricity from renewable sources ■ 35 sites, 9 in US, 100% in Europe ■ Largest facility in China will by 100% by 2026 Energy PRODUCTS AND TECHNOLOGY Investing to help the world transition toward cleaner energy solutions Silicon Carbide for power electronics ■ Advanced Lithium Selenium Sulfur batteries ■ EV battery recycling solution BOARD DIVERSITY 13 total Board members Total electricity consumption (MWh) FY21 547,557 FY22 564,689 Self-generated electricity (%) 0% 0% Electricity purchased from the grid (%) 100% 100% ■ 5 of 13 (38%) are ethnically diverse Total fuel consumption (MWh) 72, 222 Total Energy Consumption (MWh) Energy consumption from renewable sources 619,779 22% 74,779 639,468 ■ 2 Board members are women ■ 11 of 13 (82%) are independent 29% ■ 7 new directors over the past 5 years Note: Energy consumption includes electricity and natural gas only. No other energy sources are significant OUR 5 ESG PILLARS | We are focused on making the world safer, healthier, closer, and more efficient. Responsible sourcing Our Products Innovation and impact • Product quality and lean manufacturing Conflict materials and traceability Human rights Supplier diversity Supplier engagement Environment ◉ Climate and energy management in our operations Waste management Environmental, health, and safety People Diversity, equity, and inclusion Talent acquisition Talent management Employee management Employee wellness Community engagement Governance Corporate governance Ethical business conduct and compliance Enterprise risk management Data privacy and security COHERENT Copyright 2022, Coherent. All rights reserved. 7

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