Reconciliation of GAAP Measures to Non-GAAP Measures

II-VI SEGMENT REVENUE BY END MARKETS FOR FULL YEAR FY22 End Market Distribution of Full Year FY22 Revenue Reported Segments FY21 Revenue FY22 Revenue FY22 Op Margin - GAAP / Non- GAAP FY22/FY21 Revenue Growth Life Sciences, Communic a-tions Industrial Aerospace & Defense Semi Cap Consumer, Automotive, Other Photonic Solutions $2,038M $2,226M 10% / 15% 9% 93% 3% 0% 1% 3% Compound $1,068M $1,090M 20% / 29% 2% 11% 31% 17% 13% 28% Semiconductors II-VI Consolidated $3,106M $3,317M 13% / 20% 7% 66% 12% 6% 5% 11% COHERENT Copyright 2022, Coherent. All rights reserved. 29 29

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