FY24 FULL YEAR OUTLOOK

FY24 Q2 HIGHLIGHTS - CONTINUED AI/ML SILICON CARBIDE STRATEGIC OPPORTUNITIES We enjoyed a third straight quarter of strong orders for our AI/ML-related Datacom transceivers. Our 800G revenue increased sequentially by over 100% to cross the $100 million quarterly threshold just over one year since initial shipments, which marks one of the fastest product revenue ramps in the history of the company. We are excited by the active engagement we have with from large customers for 1.6T transceivers and components. In response to customer demand, we continue to make progress toward expected commercial launch in fiscal 2025 of our 1.6T transceivers and components. Enhancing our confidence in the long-term outlook for our silicon carbide business, during the second quarter, we consummated the previously announced transactions with Mitsubishi Electric and DENSO Corporation pursuant to which those entities invested an aggregate of $1 billion in exchange for non- controlling ownership interests of 12.5% each in Silicon Carbide LLC, a newly formed LLC into which we contributed our silicon carbide business, and entered into long-term supply agreements that will support their demand for SiC substrates and epitaxial wafers. As we transform the company to improve operating performance, restructure our production footprint to enhance operating resiliency, and complete the integration of legacy Coherent, Inc., we are exploring other strategic opportunities—not including material acquisitions—to unlock shareholder value. COHERENT Copyright 2024, Coherent. All rights reserved. 21 24

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