Q1 FY'22 Financial Overview

Reconciliation of Selected Non-GAAP Measures | FY'21 Year 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 SA GAAP GAAP % of Total Revenue Adjustments FN Non-GAAP Non-GAAP % of Total Revenue 481,818 (3,419) (1) $ 478,399 122,753 (1,910) (1) 120,843 197,183 (2,565) (1) 194,618 218,796 (218,796) (2) 2,351,649 69.4% 226,690 (3) 2,578,339 76.1% 421,447 (9,859) (1) 411,588 Sales and marketing 622,221 (18,312) (1) 603,909 General and administrative 263,521 (15,904) (1) 247,617 Amortization of acquired customer-based intangible assets 216,544 (216,544) (2) Special charges (recoveries) 1,748 (1,748) (4) GAAP-based income from operations / Non-GAAP-based income from operations 740,903 489,057 (5) 1,229,960 Other income (expense), net 61,434 (61,434) (6) Provision for (recovery of) income taxes 339,906 (188,931) (7) 150,975 GAAP-based net income / Non-GAAP-based net income, attributable to OpenText 310,672 616,554 (8) 927,226 GAAP-based earnings per share / Non-GAAP-based earnings per share- diluted, attributable to OpenText $ 1.14 SA 2.25 (8) $ 3.39 opentext™ OpenText ©2021 All rights reserved 50

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