OpenText Investor Presentation Deck

Reconciliation of Selected Non-GAAP Measures | Q4 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 OpenText GAAP-based earnings per share / Non-GAAP-based earnings per share-diluted, attributable to OpenText opentext™ GA GAAP 133,785 571 55,436 46,274 633,793 118,931 185,985 85,958 56,341 26,281 137,591 (19) (5,005) 102,196 0.38 Three Months Ended June 30, 2022 GAAP % of Total Revenue Adjustments FN Non-GAAP 70.2% (2,213) (1) (768) (1) (1,465) (1) (46,274) (2) (3) 50,720 (7,186) (1) (7,251) (1) (5,582) (1) (56,341) (2) (26,281) (4) 153,361 (5) 19 (6) 40,090 (7) 113,290 (8) 0.42 (8) 131,572 29,803 53,971 684,513 111,745 178,734 80,376 290,952 35,085 215,486 0.80 Non-GAAP % of Total Revenue © 2023 Open Text 75.9% 47

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