OpenText Investor Presentation Deck

Reconciliation of Selected Non-GAAP Measures | Q4 FY'21 Three Months Ended June 30, 2021 (In '000's USD, 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 127,583 32,938 53,662 53,215 621,814 117,235 183,237 73,019 52,469 3,152 171,681 45,017 (2,215) 181,283 0.66 GAAP % of Total Revenue 69.6% $ Adjustments (935) (505) (698) (1) (1) (1) (53,215) (2) 55,353 (3) FN (2,664) (1) (4,718) (1) (3,830) (1) (52,469) (2) (3,152) (4) 122,186 (5) (45,017) (6) 38,099 (7) 39,070 (8) 0.14 SA (8) $ Non-GAAP 126,648 32,433 52,964 677,167 114,571 178,519 69,189 293,867 35,884 220,353 0.80 Non-GAAP % of Total Revenue 75.8% Open Text ©2021 All rights reserved 48

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