Reconciliation of GAAP Measures to Non-GAAP Measures

COHERENT AT A GLANCE FROM A FOUNDATION OF MATERIALS AND IMAGINATION, WE ENABLE EXCITING MEGATRENDS COHERENT 1971 Year Founded COHR Nasdaq 28,000+ Employees (2) $4.8 B FY22 Revenue(1) 4,400+ Engineering & Available Technology Employees (2) $65 B Market(2) 3,000+ Patents(2) 130 Locations VERTICAL Materials, Components, INTEGRATION Subsystems, Systems 24 Countries and Service (1) Proforma non-GAAP revenue combines II-VI FY22 revenue (as of FYE 6/30/22) and Coherent 6/30/22 TTM. Not calculated in accordance with Article 11 of SEC regulation S-X. (2) As of July 1, 2022 Copyright 2022, Coherent. All rights reserved. 3

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