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 income taxes GAAP-based net income / Non-GAAP-based net income, attributable to OpenText 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 Adjustments FN 70.2% 69 (897) (1) (409) (1) (647) (1) (52,602) (2) 54,555 (3) (2,652) (1) (5,006) (1) (4,798) (1) (52,665) (2) (9,217) (4) 128,893 (5) 25,037 (6) 148 (7) (8) (8) $ 153,782 0.57 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% OpenText ©2023 All rights reserved 48

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