OpenText Investor Presentation Deck

Proven Durable Business Model ARR % of Total Revenues A-EBITDA Margin License % of Total Revenues (1) 54.4% 29.1% 24.3% HHHH FY'14 FY'12 Growing ARR and Upper Quartile Margin(¹), (2) FY'13 FY'15 FY'16 FY'17 FY'18 FY'19 FY'20 81.0% 38.8% 11.4% FY'21 1. Please refer to "Use of Non-GAAP Financial Measures" at the end of this presentation and "Reconciliation of selected GAAP-based measures to Non-GAAP-based measures" included within our current and historical filings on Forms 10-Q, 10-K and 8-K. 2. Refer to note 1 of our Fiscal 2019 10-K for details on the impact of recently adopted accounting standards on prior period results. opentext™ FY'22 Model: 81%83% FY'22 Model: 35.5% 36.5% - FY'22 Model: 9% -11% OpenText ©2022 All rights reserved 33

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