FY'24 Medium-Term Aspirations

Reconciliation of Selected Non-GAAP Measures | FY'22 YTD Nine months ended March 31, 2022 (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 % of GAAP Total Revenue Adjustments FN Non-GAAP Non-GAAP % of Total Revenue $ 377,928 (3,072) (1) 374,856 90,914 (1,631) (1) 161,459 152,333 (2,275) (1) (152,333) 89,283 159,184 (2) 1,797,850 69.4% 159,311 (3) 1,957,161 75.5% GAAP-based gross profit and gross margin (%) / Non-GAAP-based gross profit and gross margin (%) Operating expenses Research and development 321,517 (9,936) (1) 311,581 Sales and marketing 491,133 (15,377) (1) 475,756 General and administrative 231,127 (12,800) (1) 218,327 Amortization of acquired customer-based intangible assets 160,764 (160,764) (2) Special charges (recoveries) 20,592 (20,592) (4) GAAP-based income from operations / Non-GAAP-based income from 507,182 378,780 (5) 885,962 operations Other income (expense), net 29,137 (29,137) (6) Provision for income taxes 123,757 (16,178) (7) 107,579 GAAP-based net income / Non-GAAP-based net income, attributable to OpenText 294,894 365,821 (8) 660,715 GAAP-based earnings per share / Non-GAAP-based earnings per share- diluted, attributable to OpenText 1.08 SA 1.35 (8) 2.43 opentext™ OpenText ©2022 All rights reserved 48

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