Q1 FY'22 Financial Overview

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 SA GAAP % of GAAP Total Revenue Adjustments FN Non-GAAP Non-GAAP % of Total Revenue 127,583 SA $ 32,938 (935) (505) (1) (1) $ 126,648 53,662 (698) (1) 32,433 52,964 53,215 (53,215) (2) 621,814 69.6% 55,353 (3) 677,167 75.8% 117,235 (2,664) (1) 114,571 183,237 (4,718) (1) 178,519 General and administrative 73,019 (3,830) (1) 69,189 Amortization of acquired customer-based intangible assets 52,469 (52,469) (2) Special charges (recoveries) 3,152 (3,152) (4) GAAP-based income from operations / Non-GAAP-based income from operations 171,681 122,186 (5) 293,867 Other income (expense), net 45,017 (45,017) (6) Provision for (recovery of) income taxes (2,215) 38,099 (7) GAAP-based net income / Non-GAAP-based net income, attributable to OpenText 181,283 39,070 (8) 35,884 220,353 GAAP-based earnings per share / Non-GAAP-based earnings per share- diluted, attributable to OpenText 0.66 0.14 (8) $ 0.80 opentext™ OpenText ©2021 All rights reserved 48

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