FY24 Q2 Financial Outlook

REVENUE AND NON-GAAP MARGIN(1) TRENDS Lower Q1 FY24 primarily driven by lower revenue and short term capacity underutilization Transitory interruption of longer-term expansion trend Revenue ($M) $1,600 45% 40.3% 39.8% 37.3% $1,400 40% 35.9% 34.8% $1,345 $1,370 35% $1,200 $1,240 $1,205 30% $1,000 $1,053 21.3% 25% $800 20.3% 17.5% 20% 15.4% $600 12.6% 15% $400 10% $200 5% $0 0% Q1 FY23 Q2 FY23 Q3 FY23 Q4 FY23 Q1 FY24 Margin Revenue Non-GAAP Gross Margin Non-GAAP Operating Margin (1) All non-GAAP amounts exclude certain adjustments for share-based compensation, acquired intangible amortization expense, certain one-time transaction expenses, debt extinguishment expense, fair value measurement period adjustments and restructuring and related items. (2) As required by Regulation G, we have provided reconciliations of those measures to the most directly comparable GAAP measures in the section captioned "GAAP to NON-GAAP RECONCILIATION." COHERENT Copyright 2023, Coherent. All rights reserved. 29

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