OpenText Investor Presentation Deck

Track Record of A-EBITDA Expansion Upper Quartile A-EBITDA Margins In $Billions $0.3 F'11A $0.4 $0.4 $0.5 F'12A F'13A F'14A opentext™ 13.8% F'11 to F'22 CAGR $0.6 $0.7 $0.8 $1.0 $1.1 $1.1 A-EBITDA Dollars and Estimated Margins 38% to 40% Targeted A-EBITDA Margin 32.5% to 33.5% Expected A-EBITDA Margin 36% to 38% Expected A-EBITDA Margin (1) $1.3 $1.3 F'15A F'16A F'17A F¹18A F'19A F'20A F'21A F'22A F'23E F'24E (2) (2) F'26E (2) A-EBITDA Growth Culture of upper-quartile A-EBITDA profitability Leverage Open Text Business System for Value Creation. Investing in Growth and Automation 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. Historical data on a reported basis. 2. F'23, F'24, and F'26 represents OpenText's estimate of A-EBITDA in constant currency, including Micro Focus. Open Text ©2023 All rights reserved 9

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