OpenText Investor Presentation Deck

Reconciliation of Selected Non-GAAP Measures | Q2 FY'22 (In '000's U.S. dollars, except per share data) COST OF REVENUES Cloud services and subscriptions Customer support Professional service and other Amortization of acquired technology-based intangible assets GAAP-based gross profit and gross margin (%) / Non-GAAP-based gross profit and gross margin (%) Operating expenses Research and development Sales and marketing General and administrative Amortization of acquired customer-based intangible assets Special charges (recoveries) GAAP-based income from operations / Non-GAAP-based income from operations Other income (expense), net Provision for (recovery of) income taxes GAAP-based net income / Non-GAAP-based net income, attributable to Open Text GAAP-based earnings per share / Non-GAAP-based earnings per share-diluted, attributable to Open Text opentext™ $ GAAP 122,129 29,668 53,041 52,602 615,618 103,622 163,938 71,513 52,665 9,217 192,884 (25,037) 39,266 88,298 0.32 Three Months Ended December 31, 2021 GAAP % of Total Revenue 70.2% Adjustments FN (897) (1) (409) (1) (1) (2) (3) (647) (52,602) 54,555 (1) (2,652) (5,006) (4,798) (1) (1) (52,665) (2) (9,217) (4) 128,893 (5) (6) 25,037 148 (7) 153,782 (8) 0.57 (8) Non-GAAP 121,232 29,259 52,394 670,173 100,970 158,932 66,715 321,777 39,414 242,080 0.89 Non-GAAP % of Total Revenue 76.4% Open Text ©2022 All rights reserved 44

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