Market Verticals and Megatrends

RECONCILIATION OF GAAP MEASURES TO NON-GAAP MEASURES COHERENT Adjusted Combined Gross Profit and Operating Income - Unaudited ($ millions) Combined Gross Profit Combined gross margin % Share-based compensation Amortization of acquired intangibles FY 2022 Q4 465 36.9% 3 10 Fair value adjustment on acquired inventory Start-up costs Restructuring expenses, integration expenses, transaction expenses and other Adjusted Combined Gross Profit Adjusted combined gross margin % Combined Internal Research and Development 7 485 38.5% 127 Share-based compensation Start-up costs (6) Restructuring expenses, integration expenses, transaction expenses and other Adjusted Combined Internal Research and Development 118 Combined Selling, General and Administrative 199 Share-based compensation Amortization of acquired intangibles Restructuring expenses, integration expenses, transaction expenses and other Adjusted Combined Selling, General and Administrative 151 Combined Operating Income Share-based compensation 139 8ུབྱ བ ཊ (16) (11) (21) Amortization of acquired intangibles Fair value adjustment on acquired inventory Start-up costs 6 Restructuring expenses, integration expenses, transaction expenses and other Adjusted Combined Operating Income 29 216 Adjusted combined operating margin % 17.1% Copyright 2022, Coherent. All rights reserved. 37

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