FY24 Q2 Financial Outlook

SEGMENT REVENUE BY END MARKETS FOR Q1FY24 QTD End Market Distribution of Q1FY24 QTD Revenue Reported Segments Q1FY23 Q1FY24 Revenue(1) Revenue Q1FY24/ Q1FY23 Revenue Growth Q1FY24 Op Margin - GAAP / Non- GAAP Industrial Communications Electronics Instrumentation Materials Segment $356M $245M (31)% 3% / 17% 54% 5% 36% 4% Networking $597M $473M (21)% 3% / 11% 3% 94% 0% 2% Segment Lasers Segment $392M $336M (14)% (13)% / 12% 76% 0% 0% 24% Consolidated $1,345M $1,053M (22%) (2%)/13% 38% 44% 9% 9% (1) Amounts may not recalculate due to rounding. COHERENT Copyright 2023, Coherent. All rights reserved. 51

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